US3612054A - Sanitary napkin - Google Patents

Sanitary napkin Download PDF

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Publication number
US3612054A
US3612054A US844378A US3612054DA US3612054A US 3612054 A US3612054 A US 3612054A US 844378 A US844378 A US 844378A US 3612054D A US3612054D A US 3612054DA US 3612054 A US3612054 A US 3612054A
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United States
Prior art keywords
layers
liquid repellent
absorbent
barrier
sanitary napkin
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Expired - Lifetime
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US844378A
Inventor
Tamio Matsuda
Tsutomu Okamura
Nobu Konishi
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Yamanouchi Pharmaceutical Co Ltd
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Yamanouchi Pharmaceutical Co Ltd
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Priority claimed from JP6532868U external-priority patent/JPS4944317Y1/ja
Application filed by Yamanouchi Pharmaceutical Co Ltd filed Critical Yamanouchi Pharmaceutical Co Ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53743—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterised by the position of the layer relative to the other layers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53704—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having an inhibiting function on liquid propagation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
    • A61F13/53713—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction the layer having a promotional function on liquid propagation in the vertical direction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
    • A61F13/53717—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction the layer having a promotional function on liquid propagation in the horizontal direction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
    • A61F2013/51409—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F2013/53445—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad from several sheets

Definitions

  • the main object of this invention is to provide a sanitary napkin of an improved construction which contains one or three barrier sheets of liquid repellent material to utilize the absorbing capacity of the absorbent layers effectively. Another object is that of providing a sanitary napkin construction which makes it possible to attain the foregoing main object in a commercially practicable manner. Other specific objects and advantages of the invention will become apparent from the following description and the accompanying drawings.
  • FIG. I is a plan view of a sanitary napkin embodying features of this invention.
  • FIG. 2 and FIG. 3 are sectional views of FIG. 1, taken on the lines 2-2 and 33, respectively;
  • FIG. 4 and FIG. 5 are sectional views respectively corresponding to FIG. 2 and FIG. 3, which illustrate another embodiment of this invention.
  • FIG. 6 and FIG. 7 are sectional views respectively corresponding to FIG. 2 and FIG. 3, which illustrate a further embodiment of this invention.
  • the body portion of the sanitary napkin embodying this invention comprises two layers 8 and 8a of absorbent material such as cotton, creped tissue paper, or other well-known absorbent equivalents. Between the layers 8 and 8a there is interposed a barrier sheet 9 of liquid repellent material which is preferably half as long as the layers.
  • the barrier sheet consists of thin films of synthetic resins such as polyethylene, polypropylene and the like, which do not form a gel upon contact with'liquid and are completely liquid repellent; waterproof papers or tissue papers treated with a suitable water-repellent such as aluminum acetate, wax emulsions, wax emulsions plus aluminum salts, wax solution in organic solvent, polymerized silicone resins, organosilicone polymers, long chain pyridinium compounds, wax zirconium acetate emulsions, oil, etc.; and papers or tissue papers coated or laminated with said thin films of synthetic resins.
  • synthetic resins such as polyethylene, polypropylene and the like, which do not form a gel upon contact with'liquid and are completely liquid repellent
  • waterproof papers or tissue papers treated with a suitable water-repellent such as aluminum acetate, wax emulsions, wax emulsions plus aluminum salts, wax solution in organic solvent, polymerized silicone resins, organosilicone polymers, long chain pyr
  • the two absorbent layers 8 and 8a and a waterproof strip 10 placed under the layer 8a are enclosed in an outer wrapper 11 which may consist of a conventional material used as covers for sanitary napkins, such as woven or nonwoven fabrics of rayon, cotton, or other suitable fibrous materials.
  • an outer wrapper 11 which may consist of a conventional material used as covers for sanitary napkins, such as woven or nonwoven fabrics of rayon, cotton, or other suitable fibrous materials.
  • the waterproof strip 10 which may consist of a well known and conventional material is approximately as wide as the absorbent layers as shown in FIG. 2, it may be wider than the latter.
  • the body portion of thesanitary napkin of this invention comprises three layers 8, 8a, and 8b of absorbent material.
  • a barrier sheet 9 is placed centrally between the layers ⁇ and 8a, and two barrier sheets 9a and 9b are interposed separately between the layers 8a and 8b whereby the barrier sheet 9 overlaps at the edges thereof partly the barrier sheets 9a and 9b with the layer 8a as intermediate, as illustrated in FIG. 4. It is desirable that the three barrier sheets 9, 9a, and 9b have each an approximately onesixth to one-third length of the absorbent layers. Under the absorbent layer 8b a waterproof strip 10 is placed. The main body so obtained is enclosed in an outer wrapper l 1.
  • FIGS. 6 and 7 are longitudinal and cross sections of a sanitary napkin of this invention, respectively, in which napkin the central barrier sheet 9 is disposed under the intermediate absorbent layer 8a and the side barrier sheets 9a and 9b above the same layer 8a.
  • the central barrier sheet 9 When liquid is applied to the surface of a sanitary napkin in accordance with this invention, it penetrates downwardly at the point of application to the barrier sheet whereupon it is caused to spread laterally and longitudinally along the barrier sheet. The liquid overfiowed from the barrier sheet penetrates again into the absorbent layer below.
  • the absorbing capacity of the absorbent layers in the sanitary napkin of this invention is utilized effectively, by the action of the barrier sheets.
  • a sanitary napkin comprising three layers of absorbent material, one barrier sheet of liquid repellent material interposed centrally between the upper and middle absorbent layers, two barrier sheets of liquid repellent material interposed separately between the middle and lower absorbent layers so that the central barrier sheet overlaps at its edges partly the two side barrier sheets with the middle absorbent layer as intermediate, said three barrier sheets being completely liquid repellent, a waterproof strip placed under the lower absorbent layer, and an outer wrapper.
  • a sanitary napkin comprising three layers of absorbent material, one barrier sheet of liquid repellent material interposed centrally between the middle and lower absorbent layers, two barrier sheets of liquid repellent material interposed separately between the upper and middle layers so that the two side barrier sheets overlap at their inside edges partly the central barrier sheet with the middle absorbent layer as intermediate, said three barrier sheets being completely liquid repellent, a waterproof strip placed under the lower absorbent layer, and an outer wrapper.

Abstract

A sanitary napkin comprising a plurality of layers of absorbent material, at least one barrier sheet of liquid repellent material interposed between said absorbent layers, said sheet being completely liquid repellent, a waterproof strip, and an outer wrapper.

Description

United States Patent Appl. No. Filed Patented Assignee Priority SANITARY NAPKIN 2 Claims, 7 Drawing Figs.
US. Cl 128/287 Int. A61f 13/16 Field 01 Search 128/287,
[56] References Cited UNITED STATES PATENTS 1,643,615 9/1927 Williams 128/290 1,843,037 1/1932 Mathey 128/290 1,863,333 6/1932 Heitmeyer 128/290 2,464,640 3/1949 FOUIHESS 128/290 2,566,325 9/1951 Ganz... 128/290 Primary Examiner-Charles F. Rosenbaum Attorney-Wenderoth, Lind & Ponack ABSTRACT: A sanitary napkin comprising a plurality of layers of absorbent material, at least one barrier sheet of liquid repellent material interposed between said absorbent layers, said sheet being completely liquid repellent, a waterproof strip, and an outer wrapper.
PATENTEDUBHZIQH I $612,054
SHEET 2 OF 2 0 Fly. 4 ll 8 9 9b 80 TAMIL) MA'ISUDA 'LSUTOMU OKAMURA NOBU KONISHI SANITARY NAPKIN This invention relates to an improved sanitary napkin.
The main object of this invention is to provide a sanitary napkin of an improved construction which contains one or three barrier sheets of liquid repellent material to utilize the absorbing capacity of the absorbent layers effectively. Another object is that of providing a sanitary napkin construction which makes it possible to attain the foregoing main object in a commercially practicable manner. Other specific objects and advantages of the invention will become apparent from the following description and the accompanying drawings.
Examples of sanitary napkins in accordance with this invention are shown in the accompanying drawings, in which:
FIG. I is a plan view of a sanitary napkin embodying features of this invention;
FIG. 2 and FIG. 3 are sectional views of FIG. 1, taken on the lines 2-2 and 33, respectively;
FIG. 4 and FIG. 5 are sectional views respectively corresponding to FIG. 2 and FIG. 3, which illustrate another embodiment of this invention; and
FIG. 6 and FIG. 7 are sectional views respectively corresponding to FIG. 2 and FIG. 3, which illustrate a further embodiment of this invention.
Referring now to FIGS. 1 to 3, the body portion of the sanitary napkin embodying this invention comprises two layers 8 and 8a of absorbent material such as cotton, creped tissue paper, or other well-known absorbent equivalents. Between the layers 8 and 8a there is interposed a barrier sheet 9 of liquid repellent material which is preferably half as long as the layers. The barrier sheet consists of thin films of synthetic resins such as polyethylene, polypropylene and the like, which do not form a gel upon contact with'liquid and are completely liquid repellent; waterproof papers or tissue papers treated with a suitable water-repellent such as aluminum acetate, wax emulsions, wax emulsions plus aluminum salts, wax solution in organic solvent, polymerized silicone resins, organosilicone polymers, long chain pyridinium compounds, wax zirconium acetate emulsions, oil, etc.; and papers or tissue papers coated or laminated with said thin films of synthetic resins.
The two absorbent layers 8 and 8a and a waterproof strip 10 placed under the layer 8a are enclosed in an outer wrapper 11 which may consist of a conventional material used as covers for sanitary napkins, such as woven or nonwoven fabrics of rayon, cotton, or other suitable fibrous materials. Although the waterproof strip 10 which may consist of a well known and conventional material is approximately as wide as the absorbent layers as shown in FIG. 2, it may be wider than the latter.
Referring to FIGS. 4 and 5, the body portion of thesanitary napkin of this invention comprises three layers 8, 8a, and 8b of absorbent material. A barrier sheet 9 is placed centrally between the layers} and 8a, and two barrier sheets 9a and 9b are interposed separately between the layers 8a and 8b whereby the barrier sheet 9 overlaps at the edges thereof partly the barrier sheets 9a and 9b with the layer 8a as intermediate, as illustrated in FIG. 4. It is desirable that the three barrier sheets 9, 9a, and 9b have each an approximately onesixth to one-third length of the absorbent layers. Under the absorbent layer 8b a waterproof strip 10 is placed. The main body so obtained is enclosed in an outer wrapper l 1.
FIGS. 6 and 7 are longitudinal and cross sections of a sanitary napkin of this invention, respectively, in which napkin the central barrier sheet 9 is disposed under the intermediate absorbent layer 8a and the side barrier sheets 9a and 9b above the same layer 8a. When liquid is applied to the surface of a sanitary napkin in accordance with this invention, it penetrates downwardly at the point of application to the barrier sheet whereupon it is caused to spread laterally and longitudinally along the barrier sheet. The liquid overfiowed from the barrier sheet penetrates again into the absorbent layer below. Thus the absorbing capacity of the absorbent layers in the sanitary napkin of this invention is utilized effectively, by the action of the barrier sheets.
What is claimed is:
1. A sanitary napkin comprising three layers of absorbent material, one barrier sheet of liquid repellent material interposed centrally between the upper and middle absorbent layers, two barrier sheets of liquid repellent material interposed separately between the middle and lower absorbent layers so that the central barrier sheet overlaps at its edges partly the two side barrier sheets with the middle absorbent layer as intermediate, said three barrier sheets being completely liquid repellent, a waterproof strip placed under the lower absorbent layer, and an outer wrapper.
2. A sanitary napkin comprising three layers of absorbent material, one barrier sheet of liquid repellent material interposed centrally between the middle and lower absorbent layers, two barrier sheets of liquid repellent material interposed separately between the upper and middle layers so that the two side barrier sheets overlap at their inside edges partly the central barrier sheet with the middle absorbent layer as intermediate, said three barrier sheets being completely liquid repellent, a waterproof strip placed under the lower absorbent layer, and an outer wrapper.

Claims (2)

1. A sanitary napkin comprising three layers of absorbent material, one barrier sheet of liquid repellent material interposed centrally between the upper and middle absorbent layers, two barrier sheets of liquid repellent material interposed separately between the middle and lower absorbent layers so that the central barrier sheet overlaps at its edges partly the two side barrier sheets with the middle absorbent layer as intermediate, said three barrier sheets being completely liquid repellent, a waterproof strip placed under the lower absorbent layer, and an outer wrapper.
2. A sanitary napkin comprising three layers of absorbent material, one barrier sheet of liquid repellent material interposed centrally between the middle and lower absorbent layers, two barrier sheets of liquid repellent material interposed separately between the upper and middle layers so that the two side barrier sheets overlap at their inside edges partly the central barrier sheet with the middle absorbent layer as intermediate, said three barrier sheets being completely liquid repellent, a waterproof strip placed under the lower absorbent layer, and an outer wrapper.
US844378A 1968-07-31 1969-07-24 Sanitary napkin Expired - Lifetime US3612054A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6532868U JPS4944317Y1 (en) 1968-07-31 1968-07-31
JP5731369 1969-06-19

Publications (1)

Publication Number Publication Date
US3612054A true US3612054A (en) 1971-10-12

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US844378A Expired - Lifetime US3612054A (en) 1968-07-31 1969-07-24 Sanitary napkin

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BE (1) BE736906A (en)
FR (1) FR2014034A1 (en)
GB (1) GB1277216A (en)

Cited By (26)

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US3888257A (en) * 1973-10-01 1975-06-10 Parke Davis & Co Disposable absorbent articles
US4029101A (en) * 1974-09-06 1977-06-14 Colgate-Palmolive Company Absorbent article
US4057061A (en) * 1974-12-18 1977-11-08 Kabushiki Kaisha Angel Sanitary napkin
WO1981001358A1 (en) * 1979-11-13 1981-05-28 R Nuortie Absorbent product and method of making the same
US4315507A (en) * 1980-04-11 1982-02-16 Kimberly-Clark Corporation Sanitary napkin with heat fusible baffle
US4713068A (en) * 1986-10-31 1987-12-15 Kimberly-Clark Corporation Breathable clothlike barrier having controlled structure defensive composite
US4713069A (en) * 1986-10-31 1987-12-15 Kimberly-Clark Corporation Baffle having zoned water vapor permeability
US4758239A (en) * 1986-10-31 1988-07-19 Kimberly-Clark Corporation Breathable barrier
US4818600A (en) * 1987-12-09 1989-04-04 Kimberly-Clark Corporation Latex coated breathable barrier
US6503233B1 (en) 1998-10-02 2003-01-07 Kimberly-Clark Worldwide, Inc. Absorbent article having good body fit under dynamic conditions
US20030199845A1 (en) * 2001-11-26 2003-10-23 The Procter & Gamble Company Wearable article having a wetness sensation member
US6667424B1 (en) 1998-10-02 2003-12-23 Kimberly-Clark Worldwide, Inc. Absorbent articles with nits and free-flowing particles
US6673982B1 (en) 1998-10-02 2004-01-06 Kimberly-Clark Worldwide, Inc. Absorbent article with center fill performance
US20040250969A1 (en) * 2002-11-07 2004-12-16 Luu Phuong V. Absorbent sheet exhibiting resistance to moisture penetration
US20050192549A1 (en) * 2004-03-01 2005-09-01 Paolo Veglio Pantiliner
US20060058769A1 (en) * 2002-12-10 2006-03-16 Migaku Suzuki Absorber product with nonpermeable surface sheet
US20060241555A1 (en) * 2001-11-26 2006-10-26 Roe Donald C Wearable article enhancing awareness of urination
AU2002247241B2 (en) * 2001-04-03 2006-11-02 Kimberly-Clark Worldwide, Inc. Absorbent insert for use with an outer absorbent garment
US7799169B2 (en) 2004-09-01 2010-09-21 Georgia-Pacific Consumer Products Lp Multi-ply paper product with moisture strike through resistance and method of making the same
US20120257928A1 (en) * 2009-11-19 2012-10-11 Richard J. Bailey Method of manufacture of a barrage unit and a barrage unit manufactured by such a method
US8361278B2 (en) 2008-09-16 2013-01-29 Dixie Consumer Products Llc Food wrap base sheet with regenerated cellulose microfiber
US8387165B1 (en) * 2009-11-13 2013-03-05 Nailah Sakin Disposable and reusable germ screen
US8506756B2 (en) 2008-03-06 2013-08-13 Sca Tissue France Embossed sheet comprising a ply of water-soluble material and method for manufacturing such a sheet
CN108272561A (en) * 2017-12-23 2018-07-13 芜湖悠派护理用品科技股份有限公司 A kind of double-deck absorption diaper and its manufacturing equipment
US20210161731A1 (en) * 2018-05-14 2021-06-03 Drylock Technologies Nv Absorbent article with spacer element
CN114081724A (en) * 2021-11-24 2022-02-25 诺宸股份有限公司 Disposable absorption core

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US3888257A (en) * 1973-10-01 1975-06-10 Parke Davis & Co Disposable absorbent articles
US4029101A (en) * 1974-09-06 1977-06-14 Colgate-Palmolive Company Absorbent article
US4057061A (en) * 1974-12-18 1977-11-08 Kabushiki Kaisha Angel Sanitary napkin
WO1981001358A1 (en) * 1979-11-13 1981-05-28 R Nuortie Absorbent product and method of making the same
US4315507A (en) * 1980-04-11 1982-02-16 Kimberly-Clark Corporation Sanitary napkin with heat fusible baffle
US4713068A (en) * 1986-10-31 1987-12-15 Kimberly-Clark Corporation Breathable clothlike barrier having controlled structure defensive composite
US4713069A (en) * 1986-10-31 1987-12-15 Kimberly-Clark Corporation Baffle having zoned water vapor permeability
US4758239A (en) * 1986-10-31 1988-07-19 Kimberly-Clark Corporation Breathable barrier
US4818600A (en) * 1987-12-09 1989-04-04 Kimberly-Clark Corporation Latex coated breathable barrier
US6503233B1 (en) 1998-10-02 2003-01-07 Kimberly-Clark Worldwide, Inc. Absorbent article having good body fit under dynamic conditions
US6667424B1 (en) 1998-10-02 2003-12-23 Kimberly-Clark Worldwide, Inc. Absorbent articles with nits and free-flowing particles
US6673982B1 (en) 1998-10-02 2004-01-06 Kimberly-Clark Worldwide, Inc. Absorbent article with center fill performance
US6695827B2 (en) 1998-10-02 2004-02-24 Kimberly-Clark Worldwide, Inc. Absorbent article having good body fit under dynamic conditions
US7429689B2 (en) 1998-10-02 2008-09-30 Kimberly-Clark Worldwide, Inc. Absorbent article with center fill performance
US7265258B2 (en) 1998-10-02 2007-09-04 Kimberly-Clark Worldwide, Inc. Absorbent articles with nits and free-flowing particles
AU2002247241B2 (en) * 2001-04-03 2006-11-02 Kimberly-Clark Worldwide, Inc. Absorbent insert for use with an outer absorbent garment
US7264615B2 (en) * 2001-04-03 2007-09-04 Kimberly-Clark Worldwide, Inc. Absorbent insert for use with an outer absorbent garment
US20030199845A1 (en) * 2001-11-26 2003-10-23 The Procter & Gamble Company Wearable article having a wetness sensation member
US20060241555A1 (en) * 2001-11-26 2006-10-26 Roe Donald C Wearable article enhancing awareness of urination
US8445743B2 (en) 2001-11-26 2013-05-21 The Procter & Gamble Company Wearable article enhancing awareness of urination
US7300547B2 (en) 2002-11-07 2007-11-27 Georgia-Pacific Consumer Products Llc Absorbent sheet exhibiting resistance to moisture penetration
US20080044644A1 (en) * 2002-11-07 2008-02-21 Luu Phuong V Absorbent sheet exhibiting resistance to moisture penetration
US20040250969A1 (en) * 2002-11-07 2004-12-16 Luu Phuong V. Absorbent sheet exhibiting resistance to moisture penetration
US20100239843A1 (en) * 2002-11-07 2010-09-23 Luu Phuong V Absorbent sheet exhibiting resistance to moisture penetration
US7846296B2 (en) 2002-11-07 2010-12-07 Georgia-Pacific Consumer Products Lp Absorbent sheet exhibiting resistance to moisture penetration
US8123905B2 (en) 2002-11-07 2012-02-28 Georgia-Pacific Consumer Products Lp Absorbent sheet exhibiting resistance to moisture penetration
US20060058769A1 (en) * 2002-12-10 2006-03-16 Migaku Suzuki Absorber product with nonpermeable surface sheet
US7976523B2 (en) * 2002-12-10 2011-07-12 Japan Absorbent Technology Institute Absorbent product with nonpermeable surface sheet
US20050192549A1 (en) * 2004-03-01 2005-09-01 Paolo Veglio Pantiliner
US8314285B2 (en) * 2004-03-01 2012-11-20 The Procter And Gamble Company Pantiliner
US8216424B2 (en) 2004-09-01 2012-07-10 Georgia-Pacific Consumer Products Lp Multi-ply paper product with moisture strike through resistance and method of making the same
US8025764B2 (en) 2004-09-01 2011-09-27 Georgia-Pacific Consumer Products Lp Multi-ply paper product with moisture strike through resistance and method of making the same
US7799169B2 (en) 2004-09-01 2010-09-21 Georgia-Pacific Consumer Products Lp Multi-ply paper product with moisture strike through resistance and method of making the same
US8506756B2 (en) 2008-03-06 2013-08-13 Sca Tissue France Embossed sheet comprising a ply of water-soluble material and method for manufacturing such a sheet
US8771466B2 (en) 2008-03-06 2014-07-08 Sca Tissue France Method for manufacturing an embossed sheet comprising a ply of water-soluble material
US8361278B2 (en) 2008-09-16 2013-01-29 Dixie Consumer Products Llc Food wrap base sheet with regenerated cellulose microfiber
US8387165B1 (en) * 2009-11-13 2013-03-05 Nailah Sakin Disposable and reusable germ screen
US8631513B1 (en) 2009-11-13 2014-01-21 Nailah Sakin Disposable and reusable germ screen
US20120257928A1 (en) * 2009-11-19 2012-10-11 Richard J. Bailey Method of manufacture of a barrage unit and a barrage unit manufactured by such a method
US9657452B2 (en) * 2009-11-19 2017-05-23 Environmental Defence Systems Limited Method of manufacture of a barrage unit
CN108272561A (en) * 2017-12-23 2018-07-13 芜湖悠派护理用品科技股份有限公司 A kind of double-deck absorption diaper and its manufacturing equipment
US20210161731A1 (en) * 2018-05-14 2021-06-03 Drylock Technologies Nv Absorbent article with spacer element
CN114081724A (en) * 2021-11-24 2022-02-25 诺宸股份有限公司 Disposable absorption core

Also Published As

Publication number Publication date
BE736906A (en) 1969-12-31
FR2014034A1 (en) 1970-04-10
GB1277216A (en) 1972-06-07

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