Classifications

• • 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
  • A61F13/45—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 shape
  • A61F13/49—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 shape specially adapted to be worn around the waist, e.g. diapers, nappies
  • A61F13/495—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 shape specially adapted to be worn around the waist, e.g. diapers, nappies with faecal cavity
• • 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
  • A61F13/45—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 shape
  • A61F13/47—Sanitary towels, incontinence pads or napkins
• • 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 of the pads
  • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
  • A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
• • 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
  • A61F13/56—Supporting or fastening means
  • A61F13/5622—Supporting or fastening means specially adapted for diapers or the like
  • A61F13/5633—Supporting or fastening means specially adapted for diapers or the like open type diaper
• • 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
  • A61F13/56—Supporting or fastening means
  • A61F13/62—Mechanical fastening means ; Fabric strip fastener elements, e.g. hook and loop
  • A61F13/622—Fabric strip fastener elements, e.g. hook and loop
• • Y—GENERAL 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
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
  • Y10T156/10—Methods of surface bonding and/or assembly therefor
  • Y10T156/1089—Methods of surface bonding and/or assembly therefor of discrete laminae to single face of additional lamina
  • Y10T156/109—Embedding of laminae within face of additional laminae
• • Y—GENERAL 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
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
  • Y10T156/10—Methods of surface bonding and/or assembly therefor
  • Y10T156/1089—Methods of surface bonding and/or assembly therefor of discrete laminae to single face of additional lamina
  • Y10T156/1092—All laminae planar and face to face
• • Y—GENERAL 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
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
  • Y10T156/10—Methods of surface bonding and/or assembly therefor
  • Y10T156/1089—Methods of surface bonding and/or assembly therefor of discrete laminae to single face of additional lamina
  • Y10T156/1092—All laminae planar and face to face
  • Y10T156/1093—All laminae planar and face to face with covering of discrete laminae with additional lamina
• • Y—GENERAL 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
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
  • Y10T156/10—Methods of surface bonding and/or assembly therefor
  • Y10T156/1089—Methods of surface bonding and/or assembly therefor of discrete laminae to single face of additional lamina
  • Y10T156/1092—All laminae planar and face to face
  • Y10T156/1093—All laminae planar and face to face with covering of discrete laminae with additional lamina
  • Y10T156/1095—Opposed laminae are running length webs
• • Y—GENERAL 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
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
  • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
  • Y10T156/1702—For plural parts or plural areas of single part
  • Y10T156/1744—Means bringing discrete articles into assembled relationship
  • Y10T156/1768—Means simultaneously conveying plural articles from a single source and serially presenting them to an assembly station

Definitions

• TECHNICAL FIELD-The present invention relates to disposable absorbent articles such as disposable diapers, infant training pants or incontinence pads, and more particularly to urine
• the present invention relates to a disposable absorbent article that prevents excrement such as stool and stool, and in particular, loose stool from reversing and soiling the wearer's skin.
• Absorbent articles usually have at least a liquid-permeable top sheet disposed on the front surface side and a liquid-impermeable back sheet disposed on the back surface side.
• the article body is composed of an absorbent body interposed between these two sheets, and excreta is absorbed and held by the absorbent body via the top sheet. It has become so .
• an absorbent article such as this, in order to collect and hold excreta, especially stool, the area of the article body that the wearer's buttocks contacts, specifically, Absorbency formed by installing a stool reservoir (hereinafter referred to as a “stool pocket”) that stores and holds the stool at the part of the absorber where the wearer's defecation opening contacts
• a stool reservoir hereinafter referred to as a “stool pocket”
• a stool packet is absorbed.
• a disposable diaper composed of a recess that is recessed from the upper surface of the collector and a raised portion that defines the periphery of the recess
• Patent No. 3 0 1 2 4 7 The No. 2 publication proposes a disposable diaper formed by forming a stool packet in the upper layer of an absorber composed of two layers, an upper layer and a lower layer.
• Japanese Patent No. 3 3 7 9 3 9 discloses that a stool packet is composed of multiple layers.
• Japanese Utility Model Publication No. 6-5 6 14 discloses a cross-sectional view of liquid-permeable top sheet 1 and liquid-impervious back sheet 2 as shown in the cross-sectional view of FIG.
• the absorbent body 3 interposed therebetween constitutes an article body 4 and a disposable absorbent article in which a concave stool pocket 5 is provided at the buttocks contact portion of the article body 4 in the center.
• the opening portion 6 of the stool pocket 5 is covered with a valve portion 8 formed by extending a liquid-permeable topsheet 1 having an opening 7 in the portion toward the center of the opening portion 6.
• An absorptive product is proposed.
• an opening for storing waste in the center of the stool pocket 5 7 Therefore, it was difficult to reliably prevent the excrement from returning from the opening 7.
• absorbent articles can be easily handled and have a small occupied space in the packaging state at the time of the product (hereinafter referred to as “product state”). Therefore, as shown in, for example, Japanese Patent Application Laid-Open No. 2 0 00-2 4 0 30, it is often folded in a longitudinal direction of the article body smaller than three folds. In addition, the absorbent article folded in this way is often compressed strongly in the thickness direction in order to reduce the packaging capacity. Wrinkles and wrinkles will be formed on the article.
• the present invention has been made in view of the above-described circumstances, and the purpose of the present invention is to reliably absorb and retain excrement and particularly loose stool inside and wear it.
• the purpose is to provide a disposable absorbent article that prevents the excrement from reversing due to the body pressure and movement of the wearer and soiling the wearer's skin. Disclosure of Invention
• the purpose of the present invention is at least between the top sheet disposed on the front surface side, the pack sheet disposed on the back surface side, and the sheet.
• An article main body is configured by including an interposed absorbent body, and a toilet bowl for storing and holding excrement is provided at a butt portion of the article main body.
• a disposable absorbent article characterized in that the opening part of the stool socket is covered with a mesh sheet. It is achieved by this.
• the purpose of the present invention is that the opening of the stool pocket is covered with the mesh sheet and the top sheet. This is achieved effectively by providing an absorbent article characterized by these characteristics.
• the above object of the present invention is characterized in that the excrement is stored between the mesh sheet and the top sheet in the stool pocket. This is achieved more effectively by providing the absorbent article.
• the purpose of the present invention is to provide an absorbent article characterized in that the opening part of the stool packet is covered only with the mesh sheet. By providing it, it can be achieved more effectively.
• the above object of the present invention is to provide an absorbent article characterized in that the mesh sheet has an opening rate of 15 to 30%. It is achieved more effectively.
• the opening part of the stool pocket is formed such that its cross-sectional shape is diverging toward the surface side of the article body. This can be achieved more effectively by providing an absorbent product characterized by
• the above-described object of the present invention is to provide an absorbent article characterized in that the product is folded in the longitudinal direction of the article body in the product state. This can be achieved more effectively.
• the absorbent article has " ⁇ end parts fixed at both ends of the back side region of the article main body and a fastening part at the other end part. Connect the fastening tape to the abdomen side of the product body. Fasten and attach to the frontal tape fixed to the outer surface of the area
• the absorbent article according to the present invention is configured so that the opening of the stool pocket is covered with a mesh sheet. Therefore, the waste stored inside the stool pocket via the mesh sheet and especially soft stools are completely isolated from the wearer's skin by the mesh sheet. The Therefore, according to the absorbent article according to the present invention, it is possible to prevent the excrement from reversing due to the body pressure or movement of the wearer, and to clean the wearer's skin. Therefore, it is hygienic and can be easily cleaned up.
• an absorbent article in which the opening of the stool pocket is covered only with a mesh sheet can improve the absorbability of excrement.
• the use area of the mesh sheet material that is, the amount of use, is reduced, so that the manufacturing cost can be reduced.
• excreta It is possible to maintain the best absorbability of the stool and to minimize the return of the excrement.
• FIG. 1 is a sectional view showing a stool pocket structure in a conventional absorbent article.
• FIG. 2 is a development plan view of a tape-type disposable diaper according to the first embodiment of the present invention.
• FIG. 3 is a perspective view when the diaper shown in FIG. 2 is used.
• Fig. 4 is a cross-sectional view taken along the line AA in Fig. 2.
• FIG. 5 is a sectional view of a tape-type disposable diaper according to the second embodiment of the present invention.
• FIG. 6 is a developed plan view of a disposable diaper that uses a tape type according to the third embodiment of the present invention.
• Fig. 7 is a cross-sectional view taken along the line BB in Fig. 6.
• FIG. 8 is a development plan view of a disposable diaper that uses a tape type according to the fourth embodiment of the present invention.
• Fig. 9 is a cross-sectional view taken along the line C-1C in Fig. 8.
• FIG. 10 is a developed plan view of a disposable diaper according to the fifth embodiment of the present invention.
• Fig. 11 is a cross-sectional view taken along the DD line of Fig. 10.
• FIG. 12 (A) is a plan view showing the first modification of the mesh sheet in the present invention, and (B) is a cross-sectional view taken along the line E-E of (A).
• FIG. 13 (A) is a plan view showing the second modification of the mesh sheet in the present invention, and (B) is a cross-sectional view taken along the line FF of (A).
• FIG. 14 (A) is a plan view showing the third modification of the mesh sheet in the present invention, and (B) is a G-G cross-sectional view of (A).
• FIG. 15 is a plan view showing a modified example of the stool packet in the present invention.
• FIG. 16 is a cross-sectional view showing a modified example of the stool packet in the present invention.
• Fig. 17 is a cross-sectional view of the tape-type disposable diaper shown in Fig. 2 in the product state.
• FIG. 18 is a perspective view of a part-type disposable diaper, which is a modification of the present invention.
• FIG. 19 is a perspective view of an incontinence pad, which is another modification of the present invention.
• Fig. 2 shows the surface of a disposable disposable diaper (hereinafter referred to as "this diaper") that is the first embodiment of the absorbent article of the present invention.
• Fig. 3 is a perspective view when the diaper 100 VI is used.
• Fig. 3 is a plan view seen from the side (skin contact side).
• this diaper 10 0 0 V 1 has a top sheet 10 0 1 arranged on the front side and a back sheet 10 0 2 arranged on the back side.
• the diaper main body 10. 4 is composed of the absorbent body 10 3 interposed between the two sheets 10 1 and 10 2, and the diaper body 10.
• the urine pocket contact area for storing and holding the excrement is provided at the part of the heel part 4, specifically the absorber 10 where the wearer's defecation opening is located.
• the upper surface of the opening portion 10 06 of this stool pocket 10 5 extends in the longitudinal direction of the diaper body 10 4 and is attached to the upper surface of the top sheet 10 1 1. It is covered with the above-mentioned mesh sheet 10 7.
• the diaper body 10 4 has a pseudo hourglass shape in plan view, and in the longitudinal direction of both edges of the absorber 10 3, a gather sheet 10 8 provided on the surface side and an inner side thereof A three-dimensional gather 1.10 that stands on the surface side is formed by inertial stretch members 10 9 arranged along the edge. Due to the back sheet 10 2 extending from the side of the absorber 10 3 to the side and the outer sheet of the solid gather sheet 10 8 A side flap portion 1 1 1 without an absorber 10 3 is formed, and a plurality of inertial elastic members 1 0 9 are interposed between them in the longitudinal direction of the diaper body 1 0 4. As a result, the side flaps 1 1 1 are formed with pleated planar ridges 1 1 2.
• a plurality of elastic elastic members 1 0 9 are arranged, thereby end flaps.
• Part 1 1 3 B is formed.
• the left and right overhangs in the back side region 100 B of the diaper body 10 4, that is, the side panel 1 1 4, the width direction end of the boss material Fastening tape 1 1 6 with 1 1 5 is connected.
• the back surface of the abdomen side region 10 0 F that is, the back sheet 10 2 of the abdomen side region 10 0 F has a surface material 1 1 7 on the surface.
• the rectangular front tape 1 1 8 is affixed, and the male material 1 1 5 of the fastening tape 1 1 6 is attached as shown in Fig.
• the front tape of 1 1 8 is engaged with the mechanical material 1 1 7, so that the fastening tape 1 1 6 Fixed to lute 1 1 8 This diaper 100 is worn. If necessary, the surface of the front tape 1 1 8 may have a fastening position mark indicating the fastening position of the fastening tape 1 1 6 or an animal preferred by the infant.
• the design is made up of the following designs.
• this diaper 10 0 0 V 1 has a top sheet 1 0 1 and an absorber 1 0 3.
• a second sheet 1 1 9 is disposed between the two and a waterproof film 1 2 0 is disposed between the knock sheet 10 2 and the absorber 10 3.
• the second sheet 1 1 9 and the waterproof film 1 2 0 can be omitted as they are set up as needed.
• the non-porous or perforated non-woven fabric or porous porous material is used as the constituent material of the top sheet 10 1 and the second sheet 1 1 9.
• a material having liquid permeability and hydrophilicity such as a plastic sheet, is preferably used.
• the material fibers that make up this nonwoven fabric include polyolefins such as polyethylene or polypropylene, polyester, and amide.
• synthetic fibers such as fibers
• recycled fibers such as rayon cubules and natural fibers such as cotton can be used.
• core-sheath fibers, side-by-side fibers, split fibers, etc. with fibers having a high melting point as the core and fibers having a low melting point as the sheath.
• the spanning method As for processing methods, the spanning method, the spanbond method, the thermal bond method, the melt brown method, the double punch method, etc.
• the spunlace method is excellent in terms of flexibility and drape, and the thermal bond method is superior in terms of being bulky and soft.
• the top sheet 10 1 in this diaper 10 0 0 V 1 is not necessarily limited to these materials or processing methods. .
• the backsheet 10 2 and the waterproof film 1 2 0 are made of plastic sheet or non-woven fabric such as polypropylene. Liquid impervious materials or similar materials are preferably used. Other examples include melt-blown or film materials consisting of polypropylene or polyrefined copolymer. It is Examples of copolymers include ethylene vinyl acetate, ethylene methyl acetate, ethylene ethyl acylate, and polymer. There are revinyl and chloride. In addition, a single spanbonded layer composed of the above materials, snow, 'bonded', and two Layers are listed. By using such a spunbonded material, it is possible to give a feeling of cloth to the knock sheet 1 0 2 .
• a sheet material that has air permeability and moisture permeability is applied to the backsheet 10 2 from the viewpoint of preventing dripping.
• a sheet material a sheet is formed by melting and kneading an inorganic filler in an polyolefin resin such as polyethylene or polypropylene. Thereafter, a microporous sheet obtained by stretching in a uniaxial or biaxial direction is preferably used. in this way A sheet material having liquid impermeability, air permeability and moisture permeability is suitably used for the waterproof film 120.
• Absorbents 10 3 should be able to absorb and retain excreta (especially body fluids such as water contained in urine and stool).
• a mixture of absorbent polymer powder in a film pulp is preferably used in terms of absorption function and price. These pulps include chemical-derived fibers such as chemical pulp and molten pulp obtained from wood, and artificial cellulose fibers such as rayon and acetate. Coniferous trees with longer fiber lengths are used more favorably from the viewpoint of function and price than broadleaf trees.
• the absorbent body 10 3 in this diaper 100 has a shape retention and rapidly diffuses excreta (especially body fluids such as water contained in urine and feces).
• the whole is encased in water-absorbing paper 10 3 C such as crepe paper, and the planar shape is formed into a rectangular shape. ing .
• the absorbent paper 10 3 C may be omitted, and the shape of the absorbent body 10 3 is also the diaper body 10.
• the design is changed to a pseudo hourglass shape similar to 4 or any shape such as oval or saddle type.
• the stool pocket 10 5 is provided at the buttock contact portion of the absorber 10 3, which will be described later in detail.
• the mesh sheet 10 7 has a non-woven fabric or plastic film, and a thickness of 0.1 to 1 made by laminating these materials. 5.0 mm, preferably 0.3 to 2.0 mm A sheet material is used, and the entire surface of this sheet material is finer by pin emboss processing, which is well known in the field, and a certain layer is drawn by a suction method. A mesh-like mesh (opening) region 10 7 M is formed.
• the opening ratio of this mesh area 10 7 M is set to 15 to 30%, preferably 18 to 20%, and the number of openings is 15 to 50%.
• the size of the opening is set to a diameter of 0.0 mm, preferably 0.15 to 5.5 mm.
• the hydrophilicity of the surface of the mesh sheet 10 7 is preferably low, regular, hydrophilic or water-repellent. Excessiveness may cause excretion and especially stool moisture to diffuse to the surface, and even if the stool solids are absorbed, the spread of moisture will be visible to the wearer. It is not preferable because it gives
• the flat shape of the mesh (opening) is not limited to a circle, and an oval shape or any other shape can be applied.
• the diaper 10 0 0 V 1 has different hydrophilicity required for the mesh sheets 10 and 7 for each size, but the same lot Even in the case of mesh sheet 107, it is possible to adjust the water affinity according to the size. Therefore, when producing diapers with different sizes of 100 V 1, a small-mesh mesh with a hydrophilicity corresponding to the size of the diaper 100 V 1 is used. Since there is no need to use sheet 10 7, manufacturing costs can be reduced.
• the hydrophilic agent various known ones such as alkyl phosphate ester can be used, and as a method of applying the hydrophilic agent, Various known methods such as spraying and roll transcription can be used.
• the hydrophilic agent can be intermittently applied by applying a hydrophilic agent to the water-repellent mesh 10 7 to impart hydrophilicity. Therefore, for example, around the stool pocket where high spot absorbability is required, make it water-repellent without applying a hydrophilic agent, or use a small amount of hydrophilic agent. Apply a lot of hydrophilic agent around the urination area where high fluid absorption is required to make it highly hydrophilic. Thus, the hydrophilicity can be easily changed as appropriate for each diaper 100 V 1 site. As a result, the occurrence of rashes can be reduced.
• a hydrophilic agent is applied to the mesh sheet 10 7 having water repellency to adjust the hydrophilicity and water repellency of the mesh sheet.
• the hydrophilicity and water repellency of 7 can be adjusted.
• a water-repellent nonwoven fabric or plastic film is used to prevent leakage of excrement. It is effective. Therefore, it is possible to select materials that have properties that apply to this material or that have been subjected to these properties.
• thread-like elastic rubber is usually applied.
• rubber materials include styrene rubber, polyolefin rubber, urethane rubber, ester rubber, polyurethane, and polyester. You can use materials such as polypropylene, polystyrene, polystyrene evening, silicone, and polyester.
• the material for forming the elastic member 109 is not necessarily limited to such a material.
• a thermoplastic elastomer or a plastic is used.
• Various known materials having elasticity such as a sticky sheet and a rubber sheet can be used. Of these materials, it is particularly preferable to use a thermoplastic elastomer, and this thermoplastic elastomer is used.
• thermoplastic elastomers For example, styrene elastomers, polyolefin elastomers, polybutadiene elastomers, polyesters, etc. system Elastomers, polyamide elastomers, urethane elastomers, vinyl chloride elastomers, fluorine elastomers It is possible to use various known ones such as ionomer resin and silicone resin. In addition, these thermoplastic elastomers may be used alone, or may be used in combination of two or more. It is preferable to use a styrene-based elastomer or an olefin-based elastomer.
• Fig. 4 is a cross-sectional view taken along the line A-A in Fig. 2 and shows the cross-sectional structure of the fecal pocket 10 5 in the diaper 100 V 1.
• the opening portion 10 6 of the stool pocket 10 5 has a flat shape with a heel contact portion (specifically, the stool of the wearer).
• the shape of the cross section is formed with a length L and a width W from the absorbent body 10 3 where the mouth is located) to the back region 10 0 B. It is formed in a divergent shape with a depth T toward the top sheet 10 1, that is, toward the surface of the diaper body 10 4.
• the opening area S of the opening 10 6 formed in this planar shape is 5 to 20%, preferably 10 to 15% of the total area of the absorber 10.
• the length L and width W are at least covered by the wearer's defecation opening. It is set to a value that can be covered even if the position of the buttock is slightly shifted in the length direction and width direction.
• the stool pocket 10 0 5 is provided by forming a through hole in the absorber 10 3 with a depth T equal to the thickness of the absorber 10 3.
• the top sheet 10 0 1 is covered and pasted on the entire surface of the stool pocket 10 5, and the opening 10 0 6 of the stool pocket 1 0 5 Is covered by mesh sheet 10 7.
• the volume of the stool basket 10 5 is set to 10 to 50 cm 3 for infants and 50 to 3 : L 0 cm 3 for adults.
• the planar shape of the opening portion 10 6 is formed by a curve rather than a straight line so that the absorber 10 3 does not generate wrinkles or wrinkles. It is preferable. Further, as described above, the cross-sectional shape is preferably formed in a diverging shape toward the surface side of the diaper main body 104, and in this way, Excretion excreted from the defecation opening, especially loose stools, will flow smoothly into the stool pocket 10 5, which is also realistic from an operational point of view. .
• This diaper 10 0 V 1 is configured as described above. Therefore, according to this diaper 10 0 V 1, excretion excreted from the defecation opening, especially The loose stool passes through the mesh of the mesh sheet 10 7 and is stored on the top surface of the top sheet 10 1 of the opening 10 6 of the stool pocket 10 5. It is At this time, the water contained in the excreta is immediately absorbed and held by the absorbent body 103 through the absorbent paper 10 3 C, while the solid portion is absorbed by the opening 10 6. It is isolated from the wearer's skin by the mess sheet 10 7 installed so that the excrement can be reversed. Is prevented.
• FIG. 5 is a sectional view of a tape-type disposable diaper (hereinafter referred to as “the present diaper 100 V 2”) according to the second embodiment of the present invention. This is the same as the cross-sectional view (Fig. 4).
• the basic structure of this diaper 1 0 0 V 2 is the second sheet 1
• the present diaper 100 V 2 has a recess having a depth T in the middle of the thickness direction of the absorber 10 3 at a predetermined portion of the absorber 10 3.
• the stool pocket 10 0 5 is formed by the formation, and the top sheet 1 0 1 is coated and adhered to the entire surface of the recess, and the stool pocket 10 0 An opening portion 10 6 of 5 is covered with a mesh sheet 10 7. Even if the diaper 10 0 V 2 with the stool pocket 10 5 formed in this way is immediately excreted, the mess Since it is transferred to the stool packet 10 5 through the first 10 7, there is an advantage that the absorbency is extremely good.
• Fig. 6 shows the tape-type disposable diaper according to the third embodiment of the present invention (hereinafter referred to as "the present diaper 100 V 3 J") viewed from the surface side.
• Fig. 7 is a plan view, and Fig. 7 is a cross-sectional view taken along the line BB in Fig.
• the basic configuration of the present diaper 100 V 3 is the same as that of the diaper 100 V 2 except for the stool pocket 1.05 and the configuration of the heel side. It is substantially the same as 100 V 1.
• the diaper 10 0 V 3 has a shape that allows the mesh ⁇ 1 0 7 to cover only the opening 10 6 of the stool pocket 5 10 5 (this book In the embodiment, it is formed in a rectangular shape) and a large size, and a mesh sheet 10 7 is attached so as to cover the opening 10 6. Yes.
• the usage area of the messenger 10 07 that is, the usage amount is configured to the minimum necessary. It is possible to reduce the manufacturing cost only.
• FIG. 8 shows a tape-type disposable diaper (hereinafter referred to as “100 diapers 100 V 4”) according to the fourth embodiment of the present invention, and from the surface side.
• Fig. 9 is a plan view, and Fig. 9 is a cross-sectional view taken along the line CC in Fig. 8.
• the basic configuration of the diaper 100 V 4 is the same as that of the diaper 100 VI except for the stool pocket 10 5 and its peripheral configuration. It is essentially the same as 100 V 3.
• the diaper 10 0 V 4 is similar to the above so that the mesh sheet 10 7 can cover only the opening 10 6 of the stool pocket 10 5. Although it is formed in a large size, an opening 1 2 1 having a shape substantially the same as this opening 10 6 is also formed in the first screw 10 1, and this top The mesh sheet 1 0 7 is attached so as to cover the opening 1 2 1 of the sheet 1 0 1. In this way, in the diaper 10 0 V 4, the opening part of the stool pocket 10 5 6 force mesh ⁇ Since the structure is covered only with 10 7, the excrement passes directly through the mesh sheet 10 7 and is stored in the stool pocket 10 5. Thus, in addition to the reduction in manufacturing cost, there is an advantage that the absorbency is good like the diaper 100 V 2.
• Fig. 10 shows the tape-type disposable diaper (hereinafter referred to as "the diaper 100 V 5") according to the fifth embodiment of the present invention.
• Fig. 11 is a cross-sectional view taken along the DD line of Fig. 10.
• the basic configuration of the diaper 100 V 5 is the same as that of the diaper except for the stool pocket 10 5 and the surrounding configuration.
• This diaper 10 0 V 5 forms a mesh region 10 1 M at the site of the top sheet 1 0 1 that covers the opening 10 6 of the stool pocket 1 0 5. Therefore, each of the diapers described above is not composed of the above-mentioned diapers 1 0 0 0 V 1 or 1 0 0 V 4 in that the above-mentioned mesh sheet 10 7 is not used at all. It is different. Note that the formation of the mesh region 10 1 M in a partial region of the top sheet 100 1 in this way is based on the meshing method described above. It can be easily realized.
• This diaper 100 V 5 eliminates the need for a material sheet and meshing material for the mesh bag, thus reducing the manufacturing cost. Can be reduced to a low level.
• the structure of the mesh sheet 107 is shown in Fig. 12 to Fig. 14 as follows. As shown in the plan view and sectional view, it can be changed to various ones. Gig.
• Fig. 12 (A) is a plan view of the messenger 1 07 7 V 1 relating to the first modification, and (B) is a cross-sectional view taken along the line E-E of (A).
• the mesh sheet 10 07 V 1 is not used for the opening area 10 6 of the stool packet 10 5 in the mesh area 10 7 7 M. It is formed over the entire area in the longitudinal direction of the center of the sheet, that is, the direction in which urination and defecation flow.
• FIG. 13 (A) is a plan view of the mesh sheet 10 07 V 2 according to the second modification, and (B) is a cross-sectional view taken along the line F-F of (A). .
• This mesh sheet 10 7 V 2 covers the opening area 10 6 of the flight pocket 10 5 M in the mesh area 10 7 M of the material sheet. Only the area where this can be done is formed in a rectangular shape.
• Fig. 14 (A) is a plan view of the mesh sheet 10 07 V 3 according to the third modified example, and (B) is a G-G cross-sectional view of (A).
• This mesh sheet 10 7 V 3 is made of a material sheet that has the minimum necessary shape (in this example, a rectangular shape) and a large size.
• the mesh area 10 07 M covering the opening 10 6 of the feces pocket 10 5 is formed in the approximate center of the sheet with the shape of the opening 10 6 (in this example, an oval It was formed so as to match
• Each of these mesh sheets 10 7 V 1, 10 7 V 2, and 10 7 can achieve the desired purpose. In the case of 7 V3, the amount of material sheet used and the amount of mesh processing can be reduced. It is profitable.
• the shape of the stool pocket 10 5 installed in the absorbent body 103 is shown in FIG. 15 as a planar shape, for example, as shown in FIG. As shown in the cross-sectional shape, it can be changed into various shapes.
• the stool pocket 10 5 V 1 according to the first modification shown in Fig. 15 (A) has a flat shape with the opening 10 6 V 1 facing toward the back side.
• the stool pocket 10 5 V 2 according to the second modification shown in (B), which is formed into a wide triangular shape, is the planar shape of the opening 10 6 V 2
• the stool pocket 10 5 V 3 according to the third modified example shown in (C), which is formed into a baseball home base shape, is the opening part 10 6 V 3
• the flat shape of .4 was formed in a heart shape spreading toward the back side.
• the planar shape of the opening portion 106 is preferably formed by a curved line, but it has various shapes as shown in the figure. Even so, it can be put to practical use.
• the cross-sectional shape of the stool pocket 105 is directed toward the surface side of the diaper body 104 with a depth T.
• a divergent shape As shown in FIG.
• (B) Formed into a rectangular shape with a depth of T1 in the middle of the thickness direction
• the depth of the absorber 10 3 is halfway in the thickness direction. As shown in (D), it was formed into a hemispherical shape with T 2, and the absorber 10 3 has a depth ⁇ 3 equal to the thickness of the absorber 10 3. It can be formed with a through hole.
• Fig. 17 is a cross-sectional view in the longitudinal direction of the tape-type disposable diaper 10 0 V 1 according to the first embodiment described above. The cross-sectional structure in the product state is shown.
• the diaper 10 0 0 V 1 is folded in the longitudinal direction of the diaper body 10 4 in two.
• the fold is formed in the opening part of the stool pocket 10 0 5 No hangups on stool pocket 10 5 and no wings. Therefore, since the stool pocket 10 5 is not deformed, the excrement is disposed in the outer peripheral direction of the stool pocket 10 5 as shown in an example described later. No longer leaks and the volume of the fecal pocket 10 5 does not decrease.
• the opening of the mesh seat 10 07 covering the opening 10 6 of the stool pocket 10 5 will not be crushed, so this diaper No excrement will remain on the surface of 100 V 1.
• the tape-type disposable diapers 10 0 V 2 to 1 0 0 V 5 are similar to the products of this 100% V 1 diaper. In the state, it is preferable that the diaper main body 104 is folded in two in the longitudinal direction.
• this folding form can be applied to various known absorbent products, but in particular, if it is a tape-type disposable diaper, This is preferable because it makes it easier to obtain the advantages of the product status described above.
• Example In order to confirm the effect of the folding form of the absorbent article according to the present invention in the product state, the absorbent article folded in the longitudinal direction as follows, In addition, we made absorbent articles folded in three in the longitudinal direction, and conducted a consumer survey on the appearance and stool leakage of each of these absorbent articles. I did it. It should be noted that the present invention is not limited by these examples.
• “stool resistance” means that the consumer visually evaluated the amount of excrement leaking in the direction of the outer periphery of the stool pocket.

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• Health & Medical Sciences (AREA)
• Epidemiology (AREA)
• Engineering & Computer Science (AREA)
• Biomedical Technology (AREA)
• Heart & Thoracic Surgery (AREA)
• Vascular Medicine (AREA)
• Life Sciences & Earth Sciences (AREA)
• Animal Behavior & Ethology (AREA)
• General Health & Medical Sciences (AREA)
• Public Health (AREA)
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• Mechanical Engineering (AREA)
• Absorbent Articles And Supports Therefor (AREA)
• Orthopedics, Nursing, And Contraception (AREA)
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• 2005
  • 2005-03-03 JP JP2005059461A patent/JP4729314B2/ja not_active Expired - Fee Related
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