US3091436A - Method for producing a sprayable fibre mulch - Google Patents

Method for producing a sprayable fibre mulch Download PDF

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US3091436A
US3091436A US37470A US3747060A US3091436A US 3091436 A US3091436 A US 3091436A US 37470 A US37470 A US 37470A US 3747060 A US3747060 A US 3747060A US 3091436 A US3091436 A US 3091436A
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slurry
sprayable
chamber
zone
water
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Charles O Finn
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Finn Equipment Co
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C23/00Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
    • A01C23/04Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S47/00Plant husbandry
    • Y10S47/09Physical and chemical treatment of seeds for planting

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  • This invention relates to a method of preparing a sprayable mulch which basically comprises an aqueous dispersion of fibres such as, by way of example, wood pulp to which other ingredients such as seed, fertilizer and/ or asphalt may be added.
  • a prime object of the present invention is to provide a method of quickly separating or disintegrating the fibres of commercially available compacted fibrous material such as wood pulp into individual fibres in the presence of water and of maintaining them in suspension in a thoroughly dispersed condition, whereby to provide a pu-mpable and sprayable slurry which is characterized by a large percentage of fibre solids.
  • the term commercially available compacted fibrous material refers to substances such as, by way of example, wood pulp from which sufficient water has been removed to provide a product dry to the touch which may be baled, bagged or handled in bulk for storage and transportation.
  • the individual fibres are interlocked and intertwined with other fibres whereby the commercially available product ranges in consistency from dried cow dung, in lump orchunk form, to compacted freshly sheared, burr-infested wool.
  • a further object of the invention is to provide a unique method of making a slurry in a mixing chamber which includes a recirculating manifold in conjunction with a perforate barrier for further effecting disingration and separation of the fibres.
  • FIG. 1 is a fragmentary side view of an apparatus embodying the teachings of the present invention.
  • FIG. 2 is a schematic diagram illustrating the charging cycle of the apparatus of FIG. 1.
  • FIG. 3 is a schematic view illustrating the discharge cycle of the apparatus of FIG. 1.
  • FIG. 4 is a view, partly in section, of the pump assembly comprising a detail of the invention.
  • FIG. 5 is an enlarged view disclosing the clean-out plate adjacent the pump intake.
  • FIG. 6 is a view similar to FIG. 5 illustrating the relationship of the parts with the clean-out opened.
  • FIG. 7 is a side view, partly in section, of a comb strainer comprising a detail of the invention.
  • FIG. 8 is a sectional view taken on line 8--8 of FIG. 2.
  • FIG. 9 is a sectional view taken on line 99 of FIG 2.
  • FIG. 10 is an enlarged view, partly in section, disclosing a detail of the mounting of the manifold.
  • FIG. 11 is a side view of a modified form of nozzle.
  • FIG. 12 is a bottom view of the nozzle of FIG. 11.
  • FIG. 13 is a sectional view taken on line 13-13 of FIG. 1.
  • FIG. 14 is an elevational view of a typical quick connect-disconnect coupling as used in the hydraulic circuit of the present device.
  • the numeral 20 denotes generally a closed chamber, or tank, having top, bottom,
  • zones A and B wherein access to the interior thereof is chamber or tank into zones A and B wherein zone A may be considered as a mixing chamber, and zone B a suction chamber.
  • zone A may be considered as a mixing chamber
  • zone B a suction chamber.
  • Suitable agitator means are provided in the lower portion of the chamber, said means comprising, by way of example, a rotatable shaft 38, suitably journaled and carrying various types of blades or paddles arranged generally as illustrated and denoted by the letters C, D, E, F and G, it being noted that most of the agitating means are disposed within the mixing chamber, or zone A for reasons hereinafter more fully rnade apparent.
  • the numeral '40 denotes a bulkhead which subdivides zone A into sub-zones H and I.
  • the use of such a bulkhead is optional :since excellent commercial results have been obtained whether it is or is not utilized.
  • Said bulkhead is provided with several large openings, one of which is indicated at 42, for providing open communication between zones H and I.
  • An elongate manifold 50 is provided in zone A closely adjacent or abutting that face of the perforate barrier 36 which is adjacent zone A.
  • the manifold is provided with a plurality of nozzles 52 each of which is, as best illustrated in FIGS. 1 and 8, arranged to discharge the contents of the manifold directly onto and across that surface or face of the perforate barrier 36 which is adjacent zone A.
  • Manifold 50 is also provided with a nozzle 54 adjacent its upper end, which nozzle is constructed and arranged whereby to direct a flow of material from the manifold across the upper portion of zone A beneath hatch 34.
  • manifold 50 may comprise a length of pipe having nozzles 52 and 54 formed therein, and wherein the open lower end 56 of the pipe is adapted to be received and centeredon a conical element 58 suitably secured such as by welding 60 to the bottom 24 of thechamber or tank 20.
  • the upper end of manifold 50 is provided with a radially extending plate 62 permanently affixed to. the manifold, such as, by way of example, welding 64.
  • Manifold 50 is adapted to be inserted downwardly through aperture 66 provided in the toprwall 22 of the chamber, and when the free lower end thereof has been received on member 58, the manifold may be securely though releasably anchored in place by means of latching elements I and K.
  • Animpeller type pump 70 having an intake 72 and an outlet 74 may be utilized for continuously withdrawing or sucking the contents of zone B and forcing same upwardly through a riser conduit 75, comb strainer 76, thence to a three-way valve 78.
  • One port of the valve may be connected by means of conduit 82 to the upper end of manifold 50 by means of the quick connect-disconnect coupling 84, whereas port 86 of the valve may be connected by means of flexible conduit 88 to the intake 90 of nozzle 92 by means of the quick connect-disconnect coupling 91 (FIG. 1).
  • the numerals 94 denote flails or auxiliary beater arms which are secured to and carried by a stud 96 which has a threaded end 98 adapted to engage the internally threaded end portion of the pump impeller shaft 99 to which impeller 100 is fixed in driving relationship.
  • flails 94 are disposed within the intake or inlet of pump 70 in such a manner as to effectively act upon any and all material passing .through the pump inlet.
  • the apparatus is operated in the following manner to create a sprayable fibre mulch from compacted fibrous material:
  • a quantity of water such as illustrated in FIG. 1, is placed in chamber 20', after which the impeller shaft 38 is rotated and the pump started with the three-way valve adjusted whereby the pump discharge will pass through conduit 82, thence downwardly through manifold 50* whereby to be partially discharged through nozzle 54 across and beneath hatch 34 and against and across perforate barrier 36, as in the charging cycle of FIG. 2.
  • zone B Those compacted portions or clumps or lumps of the compacted fibrous material which would normally adhere to the face of barrier 36 adjacent zone A will be effectively reduced in size and their fibres separated by reason of the action of the fluid material being discharged, under pressure, through nozzles 52 whereby the mixture within zone B will be free of chunks of lumps of compacted fibrous material larger than the openings through the perforate barrier 36.
  • zone B As the contents of zone B enter inlet 72 of the pump, they are subjected to the violent action of flails 94 which will further effectively separate and disintegrate any large chunks or lumps before they can pass to the impeller 100 and thence into the interior of the pump.
  • the comb strainer 76 includes an inlet 110 and an outlet 112 of a housing 114 which contains a series of perforate plates 116 arranged in a zig-zag fashion for further effecting separation and disintegration of compacted fibrous material discharged .from outlet 74 of the pump.
  • access to the interior of the comb strainer may be readily effected by means of a place 220 which is securely though detachably fastened to one face of the housing such as, by way of example, by means of bolts 224 engaging internally threaded apertures 126 in the housing.
  • the device is permitted to operate in the so-called charging cycle schematically illustrated in FIG. 2 until the characteristics of the slurry are such as to permit its being sprayed through nozzle 92, at which time valve 78' is manipulated for delivering the discharge of the pump directly to the nozzle as per the discharge cycle schematically illustrated in FIG. 3.
  • the pump and impeller drive is stopped, whereupon the chamber is charged with water and compacted fibrous material for repeating the charging cycle.
  • a cover plate 124 is adapted to be securely though releasably anchored relative to elbow 122 for closing opening 120' as best illustrated in FIGS. 4 and 5.
  • the ends 129 and 131 of a latch bar are adapted to be inserted under the bridge 132 of a pair of U-shaped brackets rigidly secured to and carried by opposite ends of opening 120.
  • Screw elements .136 which extend through and threadably engage threaded portions of latch bar 130, are adapted to exert a force on cover plate 124 for effecting a water-tight seal of plate 124 with the peripheral edges of opening 120, it being understood that a suitable gasket, not illustrated, will be interposed between the adjacent faces of the cover plate and elbow.
  • the pattern of the sprayable mulch as discharged through nozzle 92 may be altered by using the nozzle constructions illustrated in FIGS. 11 and 12, which latter nozzles include rotary elements 330, the purpose of'which is to effectively break up and spread the stream of sprayable mulch incident to its discharge from the end of nozzle 332. It has likewise been established that the fibres contained in the sprayable mulch being discharged through nozzle 332 are further separated and additionally disintegrated by reason of the action of rotatable elements 330.
  • the impellers on shaft 38 of FIG. 1 are disposed in such a manner as to impart a circulatory radial action in zone H around shaft 38, to impart a circulatory axial action in zone I toward rear wall 28, and to impart a circulatory axial action in zone B toward front wall '26.
  • the subject invention is neither concerned with nor directed to the particular structural details of the various impeller assemblies denoted generally in FIG. 1 by the letters C, D, E, F and G, however since the major part of the mixing occurs in zone A, that zone is provided with a greater number of agitators than zone B.
  • seed and fertilizer may be added via hatch 34 to provide a sprayable mulch which when sprayed onto the ground, bank or the like will provide a uniform ground cover which will effectively preclude washing or erosion of the soil beneath the cover while providing protection and nutrient for the seeds contained therein.
  • asphalt may be added to the mulch to control weed or other growth.
  • Still another use to which the pumpable slurry may be put is in grouting wherein the fibre-laden slurry is pumped into the ground to stop water leaks prior to the introduction of concrete.
  • chamber or tank 20, pump 70 and a suitable prime mover for the pump and agitator shaft 38 may be mounted upon a suitable chassis, not illustrated, whereby the entire device is completely mobile.
  • the subject apparatus and method are ideally adapted for providing aqueous, sprayable suspensions of agricultural materials to produce and/or encourage growth such as, by way of example, grass seed, fertilizer, lime, top soil and other soil conditioning materials and mixtures thereof.
  • the heavier of such agricultural materials such as lime, top soil, fertilizer, and the like will be continuously mixed, agitated and circulated whereby to keep said materials in uniform suspension, in which condition they may be readily pumped from container 20' for discharge through nozzle 92.
  • the method of preparing a sprayable mulch slurry comprising the steps of placing a quantity of partially dried compacted wood pulp and a quantity of water in a chamber, agitating the said compacted wood pulp and the water in said chamber so as to loosen and separate the fibers of said compact wood pulp to form a slurry, then passing the slurry into another chamber and continuously agitating said slurry in said other chamber and simultaneously and continuously recirculating said slurry through a circuit connected between said chambers until the compacted wood pulp has been substantially disintegrated into separate fibers and said fibers are thoroughly mixed in suspension with said water thereby providing an available sprayable supply of slurry of uniform consistency in said circuit.

Description

May 28, 1963 c. o. FINN 3,091,436
METHOD FOR PRODUCING A SPRAYABLE FIBRE MULCH Filed June 17, 1960 4 Sheets-Sheet 1 m I'M wm w i. N .2 o I ill L o l'l' [I g 'l' 'l I" w I I I I m 8 N Si T (i. I (a m 8 N o o 0 L0 0 I N 00 o o o INVENTOR.
CHARLES 0. FINN BY J 45. W ATTORNEY METHOD FOR PRODUCING A SPRAYABLE FIBRE MULCH Filed June 17, 1960 C. O. FINN May 28, 1963 4 Sheets-Sheet 2 1 lilllfflln Wm I- J INVENTOR.
CHARLES 0. Fl/VN BY ATTORNEY y 8, 1963 c. o. FINN 3,091,436
METHOD FOR PRODUCING A SPRAYABLE FIBRE MULCH Filed June 17, 1960 4 Sheets-Sheet 3 (I) w [Q] awn i IN VEN TOR.
CHARLES 0. Fl/V/V BY 7 ATTORNEY c. o. FINN 3,091,436
METHOD FOR PRODUCING A SPRAYABLE FIBRE MULCH May 28, 1963 4 Sheets-Sheet 4 Filed June 17, 1960 INVEN TOR.
CHARLES 0. F/IV/V ATTORNEY United States Patent 3,091,436 METHOD FOR PRODUCING A SPRAYABLE FIBRE MULCH Charles 0. Finn, Cincinnati, Ohio, assiguor to The Finn Equipment Company, Cincinnati, Ohio, a corporation of Ohio Filed June 17, 1960, Ser. No. 37,470 3 Claims. (Cl. 259-95) This invention relates to a method of preparing a sprayable mulch which basically comprises an aqueous dispersion of fibres such as, by way of example, wood pulp to which other ingredients such as seed, fertilizer and/ or asphalt may be added.
A prime object of the present invention is to provide a method of quickly separating or disintegrating the fibres of commercially available compacted fibrous material such as wood pulp into individual fibres in the presence of water and of maintaining them in suspension in a thoroughly dispersed condition, whereby to provide a pu-mpable and sprayable slurry which is characterized by a large percentage of fibre solids.
The term commercially available compacted fibrous material refers to substances such as, by way of example, wood pulp from which sufficient water has been removed to provide a product dry to the touch which may be baled, bagged or handled in bulk for storage and transportation. The individual fibres are interlocked and intertwined with other fibres whereby the commercially available product ranges in consistency from dried cow dung, in lump orchunk form, to compacted freshly sheared, burr-infested wool.
. A further object of the invention is to provide a unique method of making a slurry in a mixing chamber which includes a recirculating manifold in conjunction with a perforate barrier for further effecting disingration and separation of the fibres.
These and other objects are attained by the means described herein and as disclosed in the accompanying drawings, in which:
FIG. 1 is a fragmentary side view of an apparatus embodying the teachings of the present invention.
FIG. 2 is a schematic diagram illustrating the charging cycle of the apparatus of FIG. 1.
FIG. 3 is a schematic view illustrating the discharge cycle of the apparatus of FIG. 1.
FIG. 4 is a view, partly in section, of the pump assembly comprising a detail of the invention.
FIG. 5 is an enlarged view disclosing the clean-out plate adjacent the pump intake.
FIG. 6 is a view similar to FIG. 5 illustrating the relationship of the parts with the clean-out opened.
FIG. 7 is a side view, partly in section, of a comb strainer comprising a detail of the invention.
FIG. 8 is a sectional view taken on line 8--8 of FIG. 2.
FIG. 9 is a sectional view taken on line 99 of FIG 2.
FIG. 10 is an enlarged view, partly in section, disclosing a detail of the mounting of the manifold.
, FIG. 11 is a side view of a modified form of nozzle. FIG. 12 is a bottom view of the nozzle of FIG. 11. FIG. 13 is a sectional view taken on line 13-13 of FIG. 1.
- FIG. 14 is an elevational view of a typical quick connect-disconnect coupling as used in the hydraulic circuit of the present device.
With reference now to FIG. 1, the numeral 20 denotes generally a closed chamber, or tank, having top, bottom,
front, rear and side walls 22, 24, 26, 28, 30 and 32,
respectively, wherein access to the interior thereof is chamber or tank into zones A and B wherein zone A may be considered as a mixing chamber, and zone B a suction chamber. Uniformly satisfactory results have been obtained in'those instances wherein the barrier has been fabricated from expanded metal in the form of a diamond mesh having openings therein approximateing 1 /2 by inch. From the foregoing it will be noted that zones A and B are normally in open communication with one another via the perforate barrier.
Suitable agitator means are provided in the lower portion of the chamber, said means comprising, by way of example, a rotatable shaft 38, suitably journaled and carrying various types of blades or paddles arranged generally as illustrated and denoted by the letters C, D, E, F and G, it being noted that most of the agitating means are disposed within the mixing chamber, or zone A for reasons hereinafter more fully rnade apparent.
' The numeral '40 denotes a bulkhead which subdivides zone A into sub-zones H and I. The use of such a bulkhead is optional :since excellent commercial results have been obtained whether it is or is not utilized. Said bulkhead is provided with several large openings, one of which is indicated at 42, for providing open communication between zones H and I.
' An elongate manifold 50 is provided in zone A closely adjacent or abutting that face of the perforate barrier 36 which is adjacent zone A. The manifold is provided with a plurality of nozzles 52 each of which is, as best illustrated in FIGS. 1 and 8, arranged to discharge the contents of the manifold directly onto and across that surface or face of the perforate barrier 36 which is adjacent zone A. Manifold 50 is also provided with a nozzle 54 adjacent its upper end, which nozzle is constructed and arranged whereby to direct a flow of material from the manifold across the upper portion of zone A beneath hatch 34.
As best illustrated in FIG. 10, manifold 50 may comprise a length of pipe having nozzles 52 and 54 formed therein, and wherein the open lower end 56 of the pipe is adapted to be received and centeredon a conical element 58 suitably secured such as by welding 60 to the bottom 24 of thechamber or tank 20. As best illustrated in FIG. 13, the upper end of manifold 50 is provided with a radially extending plate 62 permanently affixed to. the manifold, such as, by way of example, welding 64. Manifold 50 is adapted to be inserted downwardly through aperture 66 provided in the toprwall 22 of the chamber, and when the free lower end thereof has been received on member 58, the manifold may be securely though releasably anchored in place by means of latching elements I and K. Animpeller type pump 70 having an intake 72 and an outlet 74 may be utilized for continuously withdrawing or sucking the contents of zone B and forcing same upwardly through a riser conduit 75, comb strainer 76, thence to a three-way valve 78.
One port of the valve may be connected by means of conduit 82 to the upper end of manifold 50 by means of the quick connect-disconnect coupling 84, whereas port 86 of the valve may be connected by means of flexible conduit 88 to the intake 90 of nozzle 92 by means of the quick connect-disconnect coupling 91 (FIG. 1).
With reference now to FIG. 4, the numerals 94 denote flails or auxiliary beater arms which are secured to and carried by a stud 96 which has a threaded end 98 adapted to engage the internally threaded end portion of the pump impeller shaft 99 to which impeller 100 is fixed in driving relationship. As clearly illustrated in FIG. 4, flails 94 are disposed within the intake or inlet of pump 70 in such a manner as to effectively act upon any and all material passing .through the pump inlet.
.Mode of Operation The apparatus is operated in the following manner to create a sprayable fibre mulch from compacted fibrous material:
First, a quantity of water, such as illustrated in FIG. 1, is placed in chamber 20', after which the impeller shaft 38 is rotated and the pump started with the three-way valve adjusted whereby the pump discharge will pass through conduit 82, thence downwardly through manifold 50* whereby to be partially discharged through nozzle 54 across and beneath hatch 34 and against and across perforate barrier 36, as in the charging cycle of FIG. 2.
As additional water is being added to the chamber, quantities of compacted fibrous material is added to the container through hatch 34, it being noted that the compacted fibrous material will be initially wetted by reason of being contacted by the stream of fluid emanating from nozzle 54. The wetted compacted fibre material will drop into the water within zone A where it will be subjected to a fibre separating and disintegrating action. At all times there will be a flow of the mixture in zone A to zone B through the perforate barrier 36 by reason of the action of pump 70. Those compacted portions or clumps or lumps of the compacted fibrous material which would normally adhere to the face of barrier 36 adjacent zone A will be effectively reduced in size and their fibres separated by reason of the action of the fluid material being discharged, under pressure, through nozzles 52 whereby the mixture within zone B will be free of chunks of lumps of compacted fibrous material larger than the openings through the perforate barrier 36. As the contents of zone B enter inlet 72 of the pump, they are subjected to the violent action of flails 94 which will further effectively separate and disintegrate any large chunks or lumps before they can pass to the impeller 100 and thence into the interior of the pump.
The comb strainer 76, as best illustrated in FIG. 7, includes an inlet 110 and an outlet 112 of a housing 114 which contains a series of perforate plates 116 arranged in a zig-zag fashion for further effecting separation and disintegration of compacted fibrous material discharged .from outlet 74 of the pump. In the preferred embodiment of the invention, access to the interior of the comb strainer may be readily effected by means of a place 220 which is securely though detachably fastened to one face of the housing such as, by way of example, by means of bolts 224 engaging internally threaded apertures 126 in the housing.
The device is permitted to operate in the so-called charging cycle schematically illustrated in FIG. 2 until the characteristics of the slurry are such as to permit its being sprayed through nozzle 92, at which time valve 78' is manipulated for delivering the discharge of the pump directly to the nozzle as per the discharge cycle schematically illustrated in FIG. 3.
After the contents of the chamber 20 have been depleted via the nozzle, the pump and impeller drive is stopped, whereupon the chamber is charged with water and compacted fibrous material for repeating the charging cycle. p
In order to provide quick access to the intake of the pump for purposes of inspection, cleaning and the like, I have provided an opening 120 in the outer surface of intake elbow 122. A cover plate 124 is adapted to be securely though releasably anchored relative to elbow 122 for closing opening 120' as best illustrated in FIGS. 4 and 5. Solely by way of example, it will be noted that the ends 129 and 131 of a latch bar are adapted to be inserted under the bridge 132 of a pair of U-shaped brackets rigidly secured to and carried by opposite ends of opening 120. Screw elements .136, which extend through and threadably engage threaded portions of latch bar 130, are adapted to exert a force on cover plate 124 for effecting a water-tight seal of plate 124 with the peripheral edges of opening 120, it being understood that a suitable gasket, not illustrated, will be interposed between the adjacent faces of the cover plate and elbow.
The pattern of the sprayable mulch as discharged through nozzle 92 may be altered by using the nozzle constructions illustrated in FIGS. 11 and 12, which latter nozzles include rotary elements 330, the purpose of'which is to effectively break up and spread the stream of sprayable mulch incident to its discharge from the end of nozzle 332. It has likewise been established that the fibres contained in the sprayable mulch being discharged through nozzle 332 are further separated and additionally disintegrated by reason of the action of rotatable elements 330.
In the preferred embodiment of the invention the impellers on shaft 38 of FIG. 1 are disposed in such a manner as to impart a circulatory radial action in zone H around shaft 38, to impart a circulatory axial action in zone I toward rear wall 28, and to impart a circulatory axial action in zone B toward front wall '26. The subject invention is neither concerned with nor directed to the particular structural details of the various impeller assemblies denoted generally in FIG. 1 by the letters C, D, E, F and G, however since the major part of the mixing occurs in zone A, that zone is provided with a greater number of agitators than zone B.
With particular reference now to FIG. 4, it may be noted that uniformly excellent results have been obtained in those instances wherein the flails 94 are inclined in the neighborhood of 30 from vertical toward impeller 100, and wherein the overall length of the flails are such as to substantially span the intake port of the pump.
'It should be understood that seed and fertilizer may be added via hatch 34 to provide a sprayable mulch which when sprayed onto the ground, bank or the like will provide a uniform ground cover which will effectively preclude washing or erosion of the soil beneath the cover while providing protection and nutrient for the seeds contained therein.
If desired, asphalt may be added to the mulch to control weed or other growth.
Still another use to which the pumpable slurry may be put is in grouting wherein the fibre-laden slurry is pumped into the ground to stop water leaks prior to the introduction of concrete.
It should, of course, be understood that the chamber or tank 20, pump 70 and a suitable prime mover for the pump and agitator shaft 38 may be mounted upon a suitable chassis, not illustrated, whereby the entire device is completely mobile.
In addition to the foregoing, the subject apparatus and method are ideally adapted for providing aqueous, sprayable suspensions of agricultural materials to produce and/or encourage growth such as, by way of example, grass seed, fertilizer, lime, top soil and other soil conditioning materials and mixtures thereof. The heavier of such agricultural materials such as lime, top soil, fertilizer, and the like will be continuously mixed, agitated and circulated whereby to keep said materials in uniform suspension, in which condition they may be readily pumped from container 20' for discharge through nozzle 92.
Even light material such as seed, which would normally float, will be effectively mixed, agitated and circulated whereby the seed will likewise be maintained in a uniform, pumpable, sprayable suspension.
iIt should, of course, be understood that the subject apparatus and method contemplates the preparation of a pumpable and sprayable aqueous solution having a high solids content of the aforementioned agricultural materials either with or without the addition of the fibres of wood pulp.
What is claimed is:
1. The method of preparing a sprayable mulch slurry comprising the steps of placing a quantity of partially dried compacted wood pulp and a quantity of water in a chamber, agitating the said compacted wood pulp and the water in said chamber so as to loosen and separate the fibers of said compact wood pulp to form a slurry, then passing the slurry into another chamber and continuously agitating said slurry in said other chamber and simultaneously and continuously recirculating said slurry through a circuit connected between said chambers until the compacted wood pulp has been substantially disintegrated into separate fibers and said fibers are thoroughly mixed in suspension with said water thereby providing an available sprayable supply of slurry of uniform consistency in said circuit.
2. The method defined in claim 1, wherein said method includes the step of further agitating said slurry while it is circulated through said circuit.
6 3. The method defined in claim 2, including the step of simultaneously straining said slurry in passing between said chambers while agitating and recirculating it so as to prevent compacted lumps of said wood pulp from passing through said circuit.
References Cited in the file of this patent UNITED STATES PATENTS 1,182,432 Stobie May 19, 1916 1,420,362 Billingham June 20, 1922 1,611,513 Cook Dec. 21, 1926 ,871,050 Eveland Aug. 9, 1932 1,882,377 Whittelsey Oct. 1 1, 1932 1,962,806 Clapp June 12, 934 2,022,584 Boyett Nov. 26, 1935 2,200,017 Anderson May 7, 1940 2,280,944 Foresman Apr. 28, 1942 2,363,776 Dale Nov. 28, 1944 2,371,681 Durdin Mar. 20, 1945 2,481,363 Strock Sept. 6, 1949' 2,485,368 Dodge Oct. 18, 1949 2,627,438 McNair Feb. 3, 1953 2,648,261 Chaplin Aug. 11, 1953 2,658,453 Walters Nov. 10, 1953 2,802,303 Weeks Aug. 13, 1957 2,878,617 Finn Mar. 24, 1959 2,927,402 Goren Mar. 8, 1960 2,940,920 Garwin June 14, 1960 7, 20 Busch Ian. 23, 1962

Claims (1)

1. THE METHOD OF PREPARING A SPRAYABLE MUCH SLURRY COMPRISING THE STEPS OF PLACING A QUANTITY OF PARTIALLY DRIED COMPACTED WOOD PULP AND A QUANTITY OF WATER IN A CHAMBER, AGITATING THE SAID COMPACTED WOOD PILP AND THE WATER IN SAID CHAMBER SO AS TO LOOSEN AND SEPARATE THE FIBERS OF SAID COMPACT WOOD PULP TO FORM A SLURRY, THEN PASSING THE SLURRY INTO ANOTHER CHAMBER AND CONTINUOUSLY AGITATING SAID SLURRY IN SAID OTHER CHAMBER AND SIMULTANEOUSLY AND CONTINUOUSLY RECIRCULATING SAID SLURRY THROUGH A CIRCUIT CONNECTED BETWEEN SAID CHAMBERS UNTIL THE COMPACTED WOOD PULP HAS BEEN SUBSTANTIALLY DISINTEGRATED INTO SEPARATE FIBERS AND SAID FIBERS ARE THROUGHLY MIXED IN SUSPENSION WITH SAID WATER THEREBY PROVIDING AN AVAILABLE SPRAYABLE SUPPLY OF SLURRY OF UNIFORM CONSISTENCY IN SAID CIRCUIT.
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Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3367583A (en) * 1965-07-06 1968-02-06 Smith Harvestore Products Manure handling system
US3942563A (en) * 1974-07-05 1976-03-09 Connors Malcolm E Slip casting machine
US4067140A (en) * 1976-04-07 1978-01-10 Thomas John C Mulch and process of making same
US4232480A (en) * 1979-05-14 1980-11-11 Conwed Corporation Method and device for coloring bulk hydro mulch fibers
US4297810A (en) * 1980-03-03 1981-11-03 Hansford William B Sprayable hydromulch
US4750438A (en) * 1986-06-25 1988-06-14 Johnson Milton O Method of applying partly germinated seeds
US4788790A (en) * 1986-06-06 1988-12-06 Zeager Charles B Method of making a dark, uniformly-colored, hardwood mulch
US4819933A (en) * 1985-12-14 1989-04-11 Fibresand Limited All weather surfaces
US5012974A (en) * 1989-09-18 1991-05-07 Johnson Jesse D Method and apparatus for applying pregerminated plantlets
US5020273A (en) * 1989-09-18 1991-06-04 Johnson Jesse D Seed germinating device and method of use
US5326192A (en) * 1992-10-20 1994-07-05 Synthetic Industries, Inc. Methods for improving appearance and performance characteristics of turf surfaces
US5361711A (en) * 1992-12-16 1994-11-08 Beyerl Donald R Apparatus for seeding, mulching, and fertilizing soil
US5884570A (en) * 1995-09-01 1999-03-23 Lincoln; James A. Apparatus and method for propagating grass and other living plants using a sod slurry
US20060207170A1 (en) * 2003-07-15 2006-09-21 Smith Gerald M Hair felt
US20070184744A1 (en) * 2006-02-09 2007-08-09 Lougheed Doris E Erosion control medium
US20070186463A1 (en) * 2006-02-14 2007-08-16 Lougheed Doris E Blended mulch products for spray application to a surface
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US20090265980A1 (en) * 2007-01-04 2009-10-29 Profile Products L.L.C. Visual Attenuation Compositions and Methods of Using the Same
US20100242356A1 (en) * 2007-02-26 2010-09-30 Profile Products L.L.C. Porous and Non-Porous Particle Reinforcement for Viscous Hydraulic Matrices
US8555544B2 (en) 2006-02-10 2013-10-15 Profile Products L.L.C. Visual attenuation compositions and methods of using the same
US20200000049A1 (en) * 2018-06-27 2020-01-02 Arthur O'Neil Spreader machine

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US1420362A (en) * 1920-09-01 1922-06-20 Milton C J Billingham Paper-stock-treating machine
US1611513A (en) * 1924-02-11 1926-12-21 Pearl M Cook Atomizer
US1882377A (en) * 1928-09-28 1932-10-11 Whittelsey Theodore Method and means for regulating the growth of plants
US1871050A (en) * 1930-10-31 1932-08-09 Samuel S Eveland Method of mulching
US1962806A (en) * 1931-03-03 1934-06-12 Albert L Clapp Agriculture
US2022584A (en) * 1935-05-08 1935-11-26 Jesse B Boyett Mobile spraying machine
US2200017A (en) * 1939-11-13 1940-05-07 Anderson Anton Lawn sprinkler
US2280944A (en) * 1940-05-01 1942-04-28 Westinghouse Electric & Mfg Co Material-handling apparatus
US2363776A (en) * 1942-03-30 1944-11-28 Losse Ranch Spraying apparatus
US2371681A (en) * 1943-01-18 1945-03-20 Jr Augustus C Durdin Centrifugal cutting pump
US2481363A (en) * 1945-03-01 1949-09-06 William A Strock Spray fluid rotated sprinkler
US2485368A (en) * 1947-01-09 1949-10-18 Noble & Wood Machine Company Pulper
US2648261A (en) * 1950-06-30 1953-08-11 Chaplin Corp Fiber disintegrator and separator
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US2802303A (en) * 1953-06-04 1957-08-13 Monsanto Chemicals Erosion control
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Cited By (30)

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US3367583A (en) * 1965-07-06 1968-02-06 Smith Harvestore Products Manure handling system
US3942563A (en) * 1974-07-05 1976-03-09 Connors Malcolm E Slip casting machine
US4067140A (en) * 1976-04-07 1978-01-10 Thomas John C Mulch and process of making same
US4232480A (en) * 1979-05-14 1980-11-11 Conwed Corporation Method and device for coloring bulk hydro mulch fibers
US4297810A (en) * 1980-03-03 1981-11-03 Hansford William B Sprayable hydromulch
US4819933A (en) * 1985-12-14 1989-04-11 Fibresand Limited All weather surfaces
US4788790A (en) * 1986-06-06 1988-12-06 Zeager Charles B Method of making a dark, uniformly-colored, hardwood mulch
US4750438A (en) * 1986-06-25 1988-06-14 Johnson Milton O Method of applying partly germinated seeds
US5012974A (en) * 1989-09-18 1991-05-07 Johnson Jesse D Method and apparatus for applying pregerminated plantlets
US5020273A (en) * 1989-09-18 1991-06-04 Johnson Jesse D Seed germinating device and method of use
US5326192A (en) * 1992-10-20 1994-07-05 Synthetic Industries, Inc. Methods for improving appearance and performance characteristics of turf surfaces
US5361711A (en) * 1992-12-16 1994-11-08 Beyerl Donald R Apparatus for seeding, mulching, and fertilizing soil
US5884570A (en) * 1995-09-01 1999-03-23 Lincoln; James A. Apparatus and method for propagating grass and other living plants using a sod slurry
US20060207170A1 (en) * 2003-07-15 2006-09-21 Smith Gerald M Hair felt
US20070184744A1 (en) * 2006-02-09 2007-08-09 Lougheed Doris E Erosion control medium
US7681353B2 (en) 2006-02-09 2010-03-23 Terra-Mulch Products Llc Erosion control medium
US7966765B2 (en) 2006-02-09 2011-06-28 Terra-Mulch Products, Llc Blended mulch product and method of making same
US20070180763A1 (en) * 2006-02-09 2007-08-09 Lougheed Doris E Blended mulch product and method of making same
US7484330B2 (en) 2006-02-09 2009-02-03 Terra-Mulch Products Llc Blended mulch product and method of making same
US20090120148A1 (en) * 2006-02-09 2009-05-14 Terra-Mulch Products Llc Blended mulch product and method of making same
US8555544B2 (en) 2006-02-10 2013-10-15 Profile Products L.L.C. Visual attenuation compositions and methods of using the same
US20070186463A1 (en) * 2006-02-14 2007-08-16 Lougheed Doris E Blended mulch products for spray application to a surface
US20090265980A1 (en) * 2007-01-04 2009-10-29 Profile Products L.L.C. Visual Attenuation Compositions and Methods of Using the Same
US8256158B2 (en) * 2007-01-04 2012-09-04 Profile Products Llc Visual attenuation compositions and methods of using the same
US20080202024A1 (en) * 2007-02-26 2008-08-28 Profile Products L.L.C. Porous And Non-Porous Particle Reinforcement For Viscous Hydraulic Matrices
US7752804B2 (en) * 2007-02-26 2010-07-13 Profile Products L.L.C. Porous and non-porous particle reinforcement for viscous hydraulic matrices
US20100242356A1 (en) * 2007-02-26 2010-09-30 Profile Products L.L.C. Porous and Non-Porous Particle Reinforcement for Viscous Hydraulic Matrices
US8256159B2 (en) 2007-02-26 2012-09-04 Profile Products, Llc Porous and non-porous particle reinforcement for viscous hydraulic matrices
US20200000049A1 (en) * 2018-06-27 2020-01-02 Arthur O'Neil Spreader machine
US10721877B2 (en) * 2018-06-27 2020-07-28 Arthur O'Neil Spreader machine

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