CN101791862A - Method for secondary forming of plastic-wood section - Google Patents
Method for secondary forming of plastic-wood section Download PDFInfo
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- CN101791862A CN101791862A CN 201010118218 CN201010118218A CN101791862A CN 101791862 A CN101791862 A CN 101791862A CN 201010118218 CN201010118218 CN 201010118218 CN 201010118218 A CN201010118218 A CN 201010118218A CN 101791862 A CN101791862 A CN 101791862A
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Abstract
The invention discloses a method for the secondary forming of a plastic-wood section, which mainly comprises: cutting the section by required length and width; raising the temperature in a furnace chamber or heating chamber of a far infrared heating furnace, electrothermal furnace or oil thermal heating furnace with a heating chamber or other heating equipment with a heating chamber to 120 to 250 in advance, placing the section in the furnace chamber or heating chamber, heating the section, and keeping the temperature for 10 minutes to soften the section; taking the softened section out, immediately placing the section in a shaping mould for compression molding, taking the section out of the mould 1 to 5 minutes later, and trimming the edge and corners to obtain the required section product or part. The section is a part or member for manufacturing house decorating products, garden and building products and domestic tool products, particularly for manufacturing indoor doors, cabinets, bathroom cabinets, clothes cabinets, tea tables and the like.
Description
The field of the invention
The present invention relates to the processing technique field of extruding of plastic-wood section, is the field that raw material is extruded fabircated shapes with thermoplastic and string powder especially, more particularly, relates to the post forming processing technology (being method) of this plastic-wood section.
Background technology
This novel wooden basic ring of Wood plastic composite is protected material at present, and being to use the field still is that quality level has all had development by leaps and bounds and raising.Wood plastic composite is also replaced log to be used in many-sides such as house decoraton, garden architecture, household apparatus by everybody understanding step by step more and more extensively.
Chinese invention patent application 00132561.2 discloses the technology of plastic-wood section extrusion molding, it is characterized in that: the A composition of raw materials is as follows: raw material proportioning (by weight) (1) polyethylene (PE) resin 30-80 part, (2) string powder 20-70 part, (3) stearic acid 0.1-0.5 part, (4) Tissuemat E 0.1-2.0 part, (5) antioxidant 0.1-0.5 part, (6) reinforced modifier 1-5 part, the B technical process is as follows: fall wet mixing by the raw material intensification of proportioning metering and close, plastify through conical double screw extruder, the mould extrusion molding, plastic-wood section cooling and shaping after the moulding, again through traction, fixed length cutting, finished product is finished.
Chinese invention patent application 01123791.0 discloses a kind of new type environment-protecting plastic wood material, it is characterized in that comprising plastics, natural fiber and various auxiliary agent, the weight proportion of various compositions is: plastics 20-40%, natural fiber 60-80%, various auxiliary agent 0.9-2%, each composition weight sum is 100%; Its preparation method is: in high mixer, natural fiber is added coupling agent carry out surface modification, add plastics and various auxiliary agent again, put into extruder after mixing and extrude, make difformity and quick cooling and shaping by mould, cut into section bar.
Chinese invention patent application 200510126181.3 discloses a kind of preparation method of Wood plastic composite, may further comprise the steps: (1) is crushed to 1000～3000 orders with the layer structure mineral, under 90～110 ℃, split stirring by force with 1000～3000 rev/mins, add the coupling agent that accounts for layer structure mineral grain weight amount 0.5～5% while stirring, high-speed stirred 10～30 minutes makes coupling layer structure mineral powder; (2) with 50～200 purpose wood powders under 90～110 ℃, with 1000～3000 rev/mins of strong agitation, add the coupling agent account for wood powder weight 0.5～5% while stirring, high-speed stirred 10～30 minutes makes the coupling wood powder; (3) above-mentioned coupling wood powder and the ultra-fine layer structure mineral of coupling powder are mixed the coupling wood powder mutually: the ultra-fine layer structure mineral of coupling powder=100: 10～40 are that ball milling made compound wood powder in 0.5～5 hour in 40～800 rev/mins the ball mill at rotating speed; (4) the above-mentioned compound wood powder that makes is mixed mutually with plastics, auxiliary agent, the percentage by weight of compound wood powder and plastics, auxiliary agent is: compound wood powder: plastics: auxiliary agent=1～1.5: 1: 0.15, extrude promptly to get in extruder and mould wooden compound PP Pipe Compound.PP Pipe Compound gets final product to such an extent that mould wooden composite article through certain mould extrusion molding, injection or mold pressing.
China's utility model application 200820065276.8 disclose a kind of waste or used plastics, wood powder and synthesizes and mould wooden production equipment.
China's utility model application 200420078634.0 open one-step method cocurrent and parallel twin-screw Wood plastic composite manufacturing equipments, comprise drawing-in device, the extrusion device that is connected with drawing-in device and be installed in the mould that extrusion device exports, described extrusion device contains having heaters, pin-connected panel machine barrel, screw rod workpiece and vacuum suction chamber, it is characterized in that: also be provided with exhaust apparatus, described exhaust apparatus is installed on the described machine barrel and communicates with its inside; Described screw rod workpiece is the twin-screw that the work that be arranged in parallel rotatablely moves in the same way, and described screw rod is combined by mandrel and threaded block mounted thereto; At the interface of extrusion device and drawing-in device, the gap of described machine barrel and screw rod is 5～15 millimeters.
But developing Wood plastic composite is because of being subjected to make by ready-made ripe processing technology the restriction of enriching body of the kink of curve, concave-convex surface, and can not be in more use field flexible Application.Therefore the secondary operations technology of plastic-wood woods becomes the key subjects of each manufacturer.Press for the technical barrier that to guarantee product physical strength and surperficial texture in the post forming processing of composite forest material section bars such as solving PVC/ wood powder, PE/ wood powder, PP/ wood powder at present.
Goal of the invention
Utilize that main raw material(s) is the fundamental characteristics-thermoplasticity of organic thermoplasticity polyester material in the Wood plastic composite, the linear section bar or the plane sheets of the different shape of extrusion molding are finalized the design by the demand mold pressing through the softening back of post bake, can process various non-linear or nonplanar technology section bars, to satisfy the needs of various household articles, as door, cabinet, dish, basin, frame, table, chair etc., also have electric appliance casing, automotive trim or the like.Products made thereby has not only kept original woodiness touch, also can improve the case hardness and the strength of materials behind secondary mould pressing.The range of application and the field of moulding wooden composite forest material have been expanded greatly.
Technical scheme of the present invention
The application to such material at present both at home and abroad all is confined under the condition of an extrusion molding, if it is adopted existingly saw, mill, satisfy, method such as sand carries out quadratic form and becomes and process the mechanical strength and the surperficial texture of meeting heavy damage product.More have because of Wood plastic composite mostly adopts hollow core structures to make to be suitable for section bar with the advantage that embodies its cost performance, so be difficult to process by existing method.After some factory adopts existing method that such material is carried out secondary operations in recent years, must carry out multiple film to its finished surface for the problem that solves its appearance and handle, so promptly increase the mechanical strength that product cost also can't guarantee product.Moreover surperficial texture and strength advantage that such material itself just has have also been lost.The present invention at first is surperficial texture and the strength problem that has solved converted products, have again simultaneously that equipment is less demanding, product processing tube list and stock utilization advantages of higher, can be widely used in the Application and Development of moulding wood products, quickening can produce huge social effect and economic benefit to mould the application process of Dai Mu.
It is worthy of note that wood powder described here is the powder that the fiber process by xylophyta obtains, plant fiber powder is the powder that the fiber process by herbaceous plant (for example wood chip, wood shavings, waste wood, stalk, hemp stalk or the like) obtains.
The plastic-wood section of the post forming of wanting processing described here can be selected the plastic-wood section product sold on the market, does not have special requirement.This series products is the plastic-wood section that is mainly obtained by thermoplastic and wood powder and/or plant fiber powder processing and forming.Thermoplastic is selected from polyethylene, polypropylene, thermoplastic polyester, thermoplastic polyurethane, polyethylene-vinyl acetate copolymer, PMA-butyl acrylate copolymer, polyethylene-propylene copolymer, ABS, thermoplastic nylon 6, thermoplastic nylon 6,6 and any two or more the blend in them.
The invention provides the post forming processing technology of plastic-wood section, it may further comprise the steps:
The first step, select the wooden extrusion profile of moulding of suitable thickness;
Second goes on foot, will cut off to Len req and width with upper sectional material, this length and width are respectively section bar parts finished product or the expection length of section bar product and the 105-115% (preferred 107-112%, preferred 110%) of width dimensions that post forming processing will obtain independently;
The 3rd goes on foot, allows far-infrared heating stove, electrothermal furnace, the oil-heating boiler with heating chamber or other firing equipment that heating chamber is arranged be preheated to the furnace chamber temperature of 120～250 degrees centigrade (preferred 160-220 degrees centigrade) or heat cavity temperature, section bar is put into furnace chamber or heating chamber, and heat tracing 1～10 minute (preferred 3～8 minutes) makes it softening;
The 4th step, take out the section bar after softening, be placed on immediately and carry out compression molding in the stock mould, through cooling back depanning in 1～5 minute, repair the corner required section bar product or parts (being foregoing section bar parts finished product or section bar product).
In third step, obviously, the inside dimension in chamber is enough to hold various section bars to be processed.If furnace chamber temperature or heating cavity temperature are higher, the then corresponding shortening of heat tracing, as long as realizing the softening of the softening or outside most of volume of section bar of section bar integral body (that is to say, outer softening, internal layer is not necessarily softening, and this skin accounts for the major part of section bar skin and internal layer cumulative volume promptly greater than 50%) just passable." softening " is known plastic state under being heated in the plastics field; Preferably, this soft state does not have tangible distortion when loading and unloading.
Wherein stock mould is made by product size, pattern requirement by steel, aluminium or wood etc.This also is that those skilled in the art are known.
Suitable thickness described here is meant that this thickness is equal to or slightly greater than the section bar parts finished product that will obtain by post forming processing or the expection thickness of section bar product.Wherein " be a bit larger tham " and be meant that suitable thickness is 1.05 to 1.15 times (105% to 115%) of the expection thickness of this parts finished product or section bar product, preferred 1.07-1.12 times (107-112%), preferred 1.1 times (110%).Thickness is if there is deviation, and is for example thick partially, can gross thickness be met the requirements by finishing not as the side of exposed surface.
In the ordinary course of things, furnace chamber temperature that is preheating in the 3rd step or heating cavity temperature should be controlled between the softening point and fluxing point of the plastics in such plastic-wood section.
Plastic-wood section after the post forming processing of the present invention is parts or the member that is used to make house decoraton product, garden architecture product, household apparatus product.Preferably, be used to make interior door, cabinet, bathroom locker, wardrobe, tea table etc.
The specific embodiment
Illustrate the present invention below by non-limiting example.It is worthy of note, in the narration in front and the parts door assembly of processing in order to use in an embodiment (if the texture requirement is arranged), length and width dimensions about the technology flange, should consider the variation anyhow of the superficial makings of section bar finished product, for example the blanking of some is endways cutting, and will assemble sidewards after carrying out.For example, if total grain direction of resultant articles is vertical, then for the section bar parts with length direction assembling on this goods vertical, the grain direction of these parts should be in the longitudinal direction when selecting the former section bar of suitable thickness; On the contrary, for the transversely section bar parts of assembling of length direction at these goods, the grain direction of these parts should be on width when selecting the former section bar of suitable thickness.In addition, the pressure during compression molding is enough to realize that the size of required degree dwindles variation just without limits.
Embodiment 1-production is used door within doors
At first, embodiment 1 according to the Chinese patent ZL00132561.2 that has authorized produces the various suitable thickness extrusion profile of (referring to be suitable as the desired thickness of various parts of door), cut off into various Len reqs and width dimensions, be called the former material of extrusion profile below.
Then, carry out post forming processing, this processing may further comprise the steps:
The first step, select the wooden extrusion profile of moulding of suitable thickness (being 0.5cm thickness);
Second step, will cut off to length 86cm, width 60cm and thickness 0.5cm with upper sectional material, each dimension of length, width and thickness be of a size of product that post forming processing will obtain or parts respective length, width and gauge 110%;
The 3rd step, allow the far-infrared heating stove with heating chamber be preheated to 135 degrees centigrade furnace chamber temperature, section bar is put into furnace chamber, heat tracing made it softening in 2.5 minutes;
Section bar after the 4th step, taking-up are softened is placed on immediately and carries out compression molding in the stock mould, and the corner is repaired in depanning after cooling in 3 minutes, produces to have length 78cm, single face parts in the doorframe of width 54cm and thickness 0.45cm in the technology rased panel.
Make interior door then: it is bonding that these two the positive antisymmetry of above-mentioned single face parts are interlocked, and just produces the technology rased panel (as top panel or lower panel) in the doorframe.
Repeat the process and the adhesion step of above four steps then, thereby produce the technology rased panel (as top panel or lower panel) of two same sizes altogether.
Repeat the process of above four steps again, just will cut off to length 60cm, width 23cm and thickness 0.5cm with upper sectional material in second step, each dimension be of a size of product that post forming processing will obtain or parts corresponding size 110%, has length 54cm cm thereby produce, technology rased panels (middle panel) in the doorframe consistent of width 21 and thickness 0.45cm with preceding two (being top panel and/or lower panel) surface line faces.
The wide 12.5cm that makes with the section bar of same material, the frame outdoors of thick 4cm section bar and wide 9cm, the door center of thick 4cm reaches the edge-pressing strip that mates with the technology rased panel with section bar and cuts off by fixed length, and promptly these small parts need not post forming processing, directly use former section bar.Be assembled into final products with above-mentioned three technology rased panels of being produced, be the high 200cm of one side, wide 80cm, thick 4cm uses door within doors.
The visual effect evaluation of product: this concave-convex surface line face is abundant, has kept the sensation and the lines on plastic-wood section surface fully, and each assembly of the shop front makes up the lines nature in length and breadth, can with Solid Door than beautiful.
According to mensuration, the case hardness shore hardness (D) 〉=65 of the former material of extrusion profile, the case hardness shore hardness (D) 〉=70 of post forming processing back part.
By secondary operations, make the internal stress of the section bar of first processing obtain discharging, prevent distortion.
Embodiment 2-production is used door within doors
At first, embodiment 2 according to the Chinese patent ZL00132561.2 that has authorized produces the various suitable thickness extrusion profile of (referring to be suitable as the desired thickness of various parts of door), cut off into various Len reqs and width dimensions, be called the former material of extrusion profile below.
Then, carry out post forming processing, this processing may further comprise the steps:
The first step, select the wooden extrusion profile of moulding of suitable thickness (being 0.5cm thickness);
Second step, will cut off to length 86cm, width 60cm and thickness 0.5cm with upper sectional material, each dimension of length, width and thickness be of a size of product that post forming processing will obtain or parts respective length, width and gauge 110%;
The 3rd step, allow the far-infrared heating stove with heating chamber be preheated to 130 degrees centigrade furnace chamber temperature, section bar is put into furnace chamber, heat tracing made it softening in 3 minutes;
Section bar after the 4th step, taking-up are softened is placed on immediately and carries out compression molding in the stock mould, and the corner is repaired in depanning after cooling in 3 minutes, produces to have length 78cm, single face parts in the doorframe of width 54cm and thickness 0.45cm in the technology rased panel.
Make interior door then: it is bonding that these two the positive antisymmetry of above-mentioned single face parts are interlocked, and just produces the technology rased panel (as top panel or lower panel) in the doorframe.
Repeat the process and the adhesion step of above four steps then, thereby produce the technology rased panel (as top panel or lower panel) of two same sizes altogether.
Repeat the process of above four steps again, just will cut off to length 60cm, width 23cm and thickness 0.5cm with upper sectional material in second step, each dimension be of a size of product that post forming processing will obtain or parts corresponding size 110%, has length 54cm thereby produce, technology rased panels (middle panel) in the doorframe consistent of width 21cm and thickness 0.45cm with preceding two (being top panel and/or lower panel) surface line faces.
The wide 12.5cm that makes with the section bar of same material, the frame outdoors of thick 4cm reaches the edge-pressing strip that mates with the technology rased panel with section bar and cuts off by fixed length with section bar and wide 9cm, the door center of thick 4cm, and these widgets need not post forming processing, directly use former section bar.Be assembled into final products with above-mentioned three technology rased panels of being produced, be the high 200cm of one side, wide 80cm, thick 4cm uses door within doors.
The visual effect evaluation of product: this concave-convex surface line face is abundant, has kept the sensation and the lines on plastic-wood section surface fully, and each assembly of the shop front makes up the lines nature in length and breadth, can with Solid Door than beautiful.
According to mensuration, the case hardness shore hardness (D) 〉=65 of the former material of extrusion profile, the case hardness shore hardness (D) 〉=70 of post forming processing back part.
By secondary operations, make the internal stress of the section bar of first processing obtain discharging, prevent distortion.
Embodiment 3-production is used door within doors
At first, embodiment 1 according to the Chinese patent ZL00132561.2 that has authorized produces the various suitable thickness extrusion profile of (referring to be suitable as the desired thickness of various parts of door), cut off into various Len reqs and width dimensions, be called the former material of extrusion profile below.
Then, carry out post forming processing, this processing may further comprise the steps:
The first step, select the wooden extrusion profile of moulding of suitable thickness (being 0.5cm thickness);
Second step, will cut off to length 86cm, width 60cm and thickness 0.5cm with upper sectional material, each dimension of length, width and thickness be of a size of product that post forming processing will obtain or parts respective length, width and gauge 110%;
The 3rd step, allow the far-infrared heating stove with heating chamber be preheated to 135 degrees centigrade furnace chamber temperature, section bar is put into furnace chamber, heat tracing made it softening in 2.5 minutes;
Section bar after the 4th step, taking-up are softened is placed on immediately and carries out compression molding in the stock mould, and the corner is repaired in depanning after cooling in 3 minutes, produces to have length 78cm, single face parts in the doorframe of width 54cm and thickness 0.45cm in the technology rased panel.
Next make interior door.It is bonding that these two the positive antisymmetry of above-mentioned single face parts are interlocked, and just produces the technology rased panel (as top panel or lower panel) in the doorframe.
Repeat the process and the adhesion step of above four steps then, thereby produce the technology rased panel (as top panel or lower panel) of two same sizes altogether.
Repeat the process of above four steps again, just will cut off to length 60cm, width 23cm and thickness 0.5cm with upper sectional material in second step, each dimension be of a size of product that post forming processing will obtain or parts corresponding size 110%, has length 54cm thereby produce, technology rased panels (middle panel) in the doorframe consistent of width 21cm and thickness 0.45cm with preceding two (being top panel and/or lower panel) surface line faces.
The wide 12.5cm that makes with the section bar of same material, the frame outdoors of thick 4cm section bar and wide 9cm, the door center of thick 4cm reaches the edge-pressing strip that mates with the technology rased panel with section bar and cuts off by fixed length, and these small material parts have also passed through above-mentioned post forming processing.Be assembled into final products with above-mentioned three technology rased panels of being produced, be the high 200cm of one side, wide 80cm, thick 4cm uses door within doors.
The visual effect evaluation of product: this concave-convex surface line face is abundant, has kept the sensation and the lines on plastic-wood section surface fully, and each assembly of the shop front makes up the lines nature in length and breadth, can with Solid Door than beautiful.
According to mensuration, the case hardness shore hardness (D) 〉=65 of the former material of extrusion profile, the case hardness shore hardness (D) 〉=70 of post forming processing back part.
Embodiment 4-production is used door (apply less power at thickness direction during compression molding, so thickness having slight variation) within doors
At first, embodiment 1 according to the Chinese patent ZL00132561.2 that has authorized produces the various suitable thickness extrusion profile of (referring to be suitable as the desired thickness of various parts of door), cut off into various Len reqs and width dimensions, be called the former material of extrusion profile below.
Then, carry out post forming processing, this processing may further comprise the steps:
The first step, select the wooden extrusion profile of moulding of suitable thickness (being 0.46cm thickness);
Second step, will cut off to length 86cm, width 60cm and thickness 0.46cm with upper sectional material, each dimension of length and width is of a size of 110% of the respective length of product that post forming processing will obtain or parts and width dimensions;
The 3rd step, allow the far-infrared heating stove with heating chamber be preheated to 125 degrees centigrade furnace chamber temperature, section bar is put into furnace chamber, heat tracing made it softening in 3.5 minutes;
Section bar after the 4th step, taking-up are softened, be placed on immediately and carry out compression molding in the stock mould and apply being enough to realize the slight pressure that changes of thickness at thickness direction, depanning after cooling in 3 minutes, the finishing corner, produce and have length 78cm, single face parts in the doorframe of width 54cm and thickness 0.45cm in the technology rased panel.It is bonding that these two positive antisymmetry of single face parts are interlocked, and just produces the technology rased panel (as top panel or lower panel) in the doorframe.
Repeat above four steps then, thereby produce the technology rased panel (as top panel or lower panel) of two same sizes altogether.
Repeat above four steps again, just will cut off to length 60cm, width 23cm and thickness 0.46cm with upper sectional material in second step, each dimension of length and width be of a size of product that post forming processing will obtain or parts corresponding size 110%, has length 54cm thereby produce, technology rased panels (middle panel) in the doorframe consistent of width 21cm and thickness 0.45cm with preceding two (being top panel and/or lower panel) surface line faces.
The wide 12.5cm that makes with the section bar of same material, the frame outdoors of thick 4cm reaches the edge-pressing strip that mates with the technology rased panel with section bar and cuts off by fixed length with section bar and wide 9cm, the door center of thick 4cm, and these widgets need not post forming processing, directly use former section bar.Be assembled into final products with above-mentioned three technology rased panels of being produced, be the high 200cm of one side, wide 80cm, thick 4cm uses door within doors.
The visual effect evaluation of product: this concave-convex surface line face is abundant, has kept the sensation and the lines on plastic-wood section surface fully, and each assembly of the shop front makes up the lines nature in length and breadth, can with Solid Door than beautiful.
According to mensuration, the case hardness shore hardness (D) 〉=65 of the former material of extrusion profile, the case hardness shore hardness (D) 〉=70 of post forming processing back part.
The section bar of present embodiment changes less on thickness, and sensation typing curve is not too clearly demarcated, and effect is poor slightly, is less preferred embodiment.
Claims (9)
1. the method for secondary forming of plastic-wood section, it may further comprise the steps:
The first step, select the wooden extrusion profile of moulding of suitable thickness;
Second goes on foot, will cut off to Len req and width with upper sectional material, and this length and width are respectively section bar parts finished product or the expection length of section bar product and the 105-115% of width dimensions that post forming processing will obtain independently;
The 3rd goes on foot, allows far-infrared heating stove, electrothermal furnace, the oil-heating boiler with heating chamber or other firing equipment that heating chamber is arranged be preheated to 120～250 degrees centigrade furnace chamber temperature or heating cavity temperature, section bar is put into furnace chamber or heating chamber, and heat tracing made it softening in 1～10 minute;
The 4th step, take out the section bar after softening, be placed on immediately and carry out compression molding in the stock mould, through cooling back depanning in 1～5 minute, repair the corner required section bar product or parts.
2. according to the process of claim 1 wherein that suitable thickness is meant that this thickness is equal to or slightly greater than the section bar parts finished product that will obtain by post forming processing or the expection thickness of section bar product.
3. according to the method for claim 2, wherein be a bit larger tham and be meant that suitable thickness is 1.05 to 1.15 times of expection thickness of this section bar parts finished product that will obtain or section bar product.
4. according to the process of claim 1 wherein that the furnace chamber temperature or the heating cavity temperature that are preheating to are the softening point of the plastics in plastic-wood section and the temperature between the fluxing point in the 3rd step.
5. according to the process of claim 1 wherein what plastic-wood section was mainly obtained by thermoplastic and wood powder and/or plant fiber powder processing and forming.
6. according to the method for claim 5, wherein thermoplastic is selected from polyethylene, polypropylene, thermoplastic polyester, thermoplastic polyurethane, polyethylene-vinyl acetate copolymer, PMA-butyl acrylate copolymer, polyethylene-propylene copolymer, ABS, thermoplastic nylon 6, thermoplastic nylon 6,6 and any two or more the blend in them.
7. the plastic-wood section that obtains by the method for claim 1.
8. the plastic-wood section of claim 7, it is parts or the member that is used to make house decoraton product, garden architecture product, household apparatus product.
9. be used to make the purposes of interior door, cabinet, bathroom locker, wardrobe and tea table as parts according to the plastic-wood section of claim 7 or 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010118218A CN101791862B (en) | 2010-02-26 | 2010-02-26 | Method for secondary forming of plastic-wood section |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010118218A CN101791862B (en) | 2010-02-26 | 2010-02-26 | Method for secondary forming of plastic-wood section |
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| Publication Number | Publication Date |
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| CN101791862A true CN101791862A (en) | 2010-08-04 |
| CN101791862B CN101791862B (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010118218A Expired - Fee Related CN101791862B (en) | 2010-02-26 | 2010-02-26 | Method for secondary forming of plastic-wood section |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104290311A (en) * | 2014-09-30 | 2015-01-21 | 濮阳市东宝科技发展有限公司 | Wood-plastic section bar production equipment and wood-plastic section bar production process |
| CN104526947A (en) * | 2014-12-05 | 2015-04-22 | 李兵 | Production method of special-shaped plastic building template |
| CN110435345A (en) * | 2019-08-09 | 2019-11-12 | 湖南和锐镭射科技有限公司 | Moulding press |
| CN110815847A (en) * | 2019-11-20 | 2020-02-21 | 浙江诚成新材料科技有限公司 | Forming process of antique wood plastic chair backrest strip |
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| US3859409A (en) * | 1970-04-27 | 1975-01-07 | Fibergrate Corp | Method of making a fiber reinforced plastic article |
| JPS62176824A (en) * | 1986-01-31 | 1987-08-03 | Taiho Kogyo Co Ltd | Preparation of sealing component of fluoro resin |
| US5209888A (en) * | 1988-12-16 | 1993-05-11 | Fukuvi Chemical Industry Co., Ltd. | Method for producing frp screw-like fastening elements |
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|---|---|---|---|---|
| US3859409A (en) * | 1970-04-27 | 1975-01-07 | Fibergrate Corp | Method of making a fiber reinforced plastic article |
| JPS62176824A (en) * | 1986-01-31 | 1987-08-03 | Taiho Kogyo Co Ltd | Preparation of sealing component of fluoro resin |
| US5209888A (en) * | 1988-12-16 | 1993-05-11 | Fukuvi Chemical Industry Co., Ltd. | Method for producing frp screw-like fastening elements |
Non-Patent Citations (1)
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| 《模具工业》 19820831 常邵先 锌合金用于塑料板材二次成型模 57 , 第34期 2 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104290311A (en) * | 2014-09-30 | 2015-01-21 | 濮阳市东宝科技发展有限公司 | Wood-plastic section bar production equipment and wood-plastic section bar production process |
| CN104526947A (en) * | 2014-12-05 | 2015-04-22 | 李兵 | Production method of special-shaped plastic building template |
| CN110435345A (en) * | 2019-08-09 | 2019-11-12 | 湖南和锐镭射科技有限公司 | Moulding press |
| CN110815847A (en) * | 2019-11-20 | 2020-02-21 | 浙江诚成新材料科技有限公司 | Forming process of antique wood plastic chair backrest strip |
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| Publication number | Publication date |
|---|---|
| CN101791862B (en) | 2012-10-03 |
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