WO2022158102A1 - Article absorbant conditionné - Google Patents

Article absorbant conditionné Download PDF

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Publication number
WO2022158102A1
WO2022158102A1 PCT/JP2021/042267 JP2021042267W WO2022158102A1 WO 2022158102 A1 WO2022158102 A1 WO 2022158102A1 JP 2021042267 W JP2021042267 W JP 2021042267W WO 2022158102 A1 WO2022158102 A1 WO 2022158102A1
Authority
WO
WIPO (PCT)
Prior art keywords
absorbent article
region
packaging sheet
sealing tape
adhesive layer
Prior art date
Application number
PCT/JP2021/042267
Other languages
English (en)
Japanese (ja)
Inventor
恵 葭葉
Original Assignee
大王製紙株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 大王製紙株式会社 filed Critical 大王製紙株式会社
Publication of WO2022158102A1 publication Critical patent/WO2022158102A1/fr

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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
    • 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
    • A61F13/551—Packaging before or after use
    • 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
    • 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
    • A61F13/58—Adhesive tab fastener elements
    • A61F13/60—Adhesive tab fastener elements with release means associated with tab fasteners

Definitions

  • the present invention relates to packaged absorbent articles.
  • absorbent articles such as sanitary napkins, panty liners, and incontinence pads are provided in a state of being wrapped in a wrapping sheet for hygiene and convenience of carrying.
  • Patent Document 1 discloses a first edge portion including one longitudinal end in the unfolded state and a second longitudinal edge portion including the other longitudinal end.
  • the first edge is arranged outside the second edge in the thickness direction, and the base end side of the lead tape is fixed to the surface of the first edge.
  • the article describes an absorbent article package in which the free end side of a lead tape protruding outwardly from the first edge portion in the longitudinal direction is detachably attached to the surface of the package sheet.
  • Patent Document 1 describes that at least a part of the region of the packaging sheet to which the free end side of the lead tape is attached has a density higher than a predetermined density and a thickness smaller than a predetermined thickness. It is Furthermore, it is described that since the fibers are compacted and the surface of the nonwoven fabric is in a smooth state, when the free end of the lead tape is peeled off, it is difficult for the fibers to come off or the nonwoven fabric to break on the surface of the packaging sheet. .
  • the tape can be easily peeled off even on the proximal side, so the tape falls off before opening and acts as a sealing tape. may become unfulfilled.
  • An object of one aspect of the present invention is to provide a packaged absorbent article from which the sealing tape can be easily peeled off when unsealed, while maintaining its original function as a sealing tape.
  • a first aspect of the present invention is a packaged absorbent article including a packaging sheet and an absorbent article wrapped with the packaging sheet, wherein the packaging sheet has a first region including one end in the first direction of the packaging sheet and a second region including the other end in the first direction, folded by overlapping the first region on the outer surface of the second region, and sealing across the outer surface of the first region and the outer surface of the second region.
  • the sealing tape has a fixing portion located on the outer surface side of the first region and a gripping portion located on the outer surface side of the second region, and the gripping portion is attached to the packaging sheet.
  • An adhesive layer is intermittently formed on the facing surface.
  • the gripping portion of the sealing tape is not coated with the adhesive and adheres to the packaging sheet. There are parts that do not. Thereby, the contact area between the grip portion and the packaging sheet, more specifically, the contact area between the grip portion and the second region of the packaging sheet can be reduced. Therefore, the bonding force between the grip portion and the second region is reduced, and when the packaged absorbent article is opened by holding the grip portion of the sealing tape, the sealing tape can be peeled off from the second region with less force. can be done.
  • the grip portion of the sealing tape can be easily peeled off from the second region when the packaged absorbent article is unsealed without weakening the adhesive force per unit area of the adhesive applied to the sealing tape. . Therefore, a high bonding strength can be maintained between the fixing portion of the sealing tape and the first region of the packaging sheet.
  • the adhesive layer is not intermittently applied but solid, the fibers on the surface of the packaging sheet come into contact at all points of the adhesive layer. As a result, many fibers adhere to the adhesive layer, and most of the adhesive layer is covered with fibers. Therefore, when the used absorbent article is disposed of, when the used absorbent article is wrapped in the packaging sheet and fastened with the sealing tape, the used absorbent article can be kept wrapped by the sealing tape. There are times when it becomes impossible.
  • the adhesive layer is applied intermittently.
  • the fibers will adhere to the adhesive layer. do.
  • the fibers will adhere to the adhesive layer. Therefore, since the number of fibers adhering to the adhesive layer is reduced, the ratio of the surface area of the adhesive layer to which no fibers are adhered is increased compared to the case where the adhesive is solidly applied.
  • the used absorbent article is kept wrapped by the sealing tape. be able to.
  • the pressure-sensitive adhesive layer is formed with a linear pattern or a spiral pattern.
  • various patterns can be formed, for example, the width, length, shape, number, spacing, etc. of the lines, depending on the pattern, the area where the adhesive is applied, or the adhesive is applied. Not area can be controlled. Thereby, the contact area between the grip portion and the second region of the packaging sheet can be controlled. Therefore, it is possible to control the binding force between the grip portion and the second region of the packaging sheet.
  • the pattern allows the portions coated with the pressure-sensitive adhesive layer and the portions not coated with the adhesive layer to be dispersed over the entire gripping portion, thereby forming the gripping portion and the packaging sheet.
  • a reduction in the contact area between can occur uniformly. Therefore, the sealing tape can be smoothly peeled off even if the user applies uneven force when peeling off the gripped portion of the sealing tape.
  • the pattern can be manufactured relatively easily in the manufacturing process, so the manufacturing cost can be reduced.
  • the pressure-sensitive adhesive layer has portions where the layer thickness is thick and portions where the layer thickness is thin.
  • the sealing tape when the sealing tape is pressed and adhered onto the packaging sheet, the portion with a thick layer is pressed more strongly, but the portion with a thin layer is less pressed, and the package The sheet and adhesive layer are more weakly bonded.
  • the grip portion when the grip portion is peeled off from the packaging sheet, the portion with a thin layer thickness is peeled off with a smaller peeling force than the portion with a thicker layer thickness, so the peeling force can be reduced as a whole.
  • the packaging sheet contains a fibrous material, the part with a thicker layer is pressed more strongly, and more fibers of the packaging sheet tend to adhere, whereas the fibers that adhere to a part with a thinner layer Few. Therefore, when the used absorbent article is disposed of, when the used absorbent article is wrapped with the packaging sheet and fastened with the sealing tape, the sealing tape is more reliably retained, and the used absorbent article is wrapped. state can be maintained.
  • a thick portion can be easily formed by setting the intersection point of the pattern at the portion where the layer thickness is thick.
  • a continuous and uniform-thickness adhesive layer is formed on the surface of the fixed part facing the packaging sheet.
  • the basis weight of the adhesive layer of the fixed portion can be made larger than the basis weight of the adhesive layer of the grip portion.
  • the holding portion can be easily peeled off from the second region without weakening the adhesive force per unit area of the adhesive applied to the sealing tape, and the bonding force between the fixing portion and the packaging sheet is maintained high. can do.
  • the sealing tape has a shape in which the length in the second direction orthogonal to the first direction decreases toward the end side of the grip.
  • the contact area between the gripping portion and the packaging sheet is adjusted to the edge of the gripping portion. It can be reduced toward the part side. Therefore, the bonding force between the gripping portion and the second region is reduced, and when starting to open the packaged absorbent article with the gripping portion of the sealing tape, the sealing tape is pulled from the second region with a particularly small force. can be peeled off with
  • the packaging sheet is paper or non-woven fabric.
  • the packaging sheet when the packaging sheet is paper, the burden on the environment at the time of disposal can be reduced, and when it is a non-woven fabric, it can provide a soft touch.
  • a packaged absorbent article having a sealing tape that can be easily peeled off when unsealed while maintaining its original function as a sealing tape.
  • FIG. 1 is a plan view of a packaged absorbent article according to a first embodiment of the present invention
  • FIG. 2 is a sectional view taken along the line II of FIG. 1
  • FIG. 2 is a plan view of the unfolded state of the packaged absorbent article shown in FIG. 1, viewed from the side on which the absorbent article is placed.
  • FIG. 5 is a diagram showing a first modification of the sealing tape of the packaged absorbent article according to the first embodiment of the present invention
  • FIG. 4 is a diagram showing a second modification of the sealing tape of the packaged absorbent article according to the first embodiment of the present invention
  • Figure 6 is an enlarged view of portion II of Figure 5;
  • FIG. 10 is a diagram showing a third modification of the sealing tape of the packaged absorbent article according to the first embodiment of the present invention
  • FIG. 10 is a diagram showing a fourth modified example of the sealing tape of the packaged absorbent article according to the first embodiment of the present invention
  • FIG. 10 is a diagram showing a fifth modification of the sealing tape of the packaged absorbent article according to the first embodiment of the present invention
  • FIG. 10 is a diagram showing a sixth modification of the sealing tape of the packaged absorbent article according to the first embodiment of the present invention
  • FIG. 10 is a diagram showing a seventh modification of the sealing tape of the packaged absorbent article according to the first embodiment of the present invention
  • FIG. 10 is a diagram showing an eighth modification of the sealing tape of the packaged absorbent article according to the first embodiment of the present invention
  • FIG. 10 is a diagram showing a ninth modification of the sealing tape of the packaged absorbent article according to the first embodiment of the present invention
  • FIG. 10 is a diagram showing a tenth modification of the sealing tape of the packaged absorbent article according to the first embodiment of the present invention
  • Fig. 2 is a plan view of a packaged absorbent article according to a second embodiment of the present invention
  • FIG. 4 is a plan view of a packaged absorbent article according to a third embodiment of the present invention
  • FIG. 4 is a diagram for explaining the method for manufacturing the sealing tape for the packaged absorbent article according to the first embodiment of the present invention
  • FIG. 1 shows a plan view of a packaged absorbent article 100 according to the first embodiment of the present invention.
  • FIG. 2 shows a sectional view taken along line II of FIG. 3 shows a plan view of the unfolded state of the packaged absorbent article 100 shown in FIG. 1, viewed from the side on which the absorbent article 1 is placed.
  • the packaged absorbent article 100 includes a packaging sheet 10 and the absorbent article 1 wrapped by the packaging sheet 10.
  • the packaged absorbent article 100 is an individual package containing one absorbent article 1 in one packaging sheet 10 .
  • the packaged absorbent article 100 is prepared by placing the absorbent article 1 on the expanded packaging sheet 10, and placing the packaging sheet 10 together with the absorbent article 1 so that both end regions in one direction of the packaging sheet 10 overlap each other. 1 is placed, that is, by folding the packaging sheet 10 together with the absorbent article 1 into at least three rolls.
  • the packaging sheet 10 has a first region R1 including one end 11 in the longitudinal direction (first direction) D1 of the packaging sheet 10 and a longitudinal direction D1 of the packaging sheet 10. and a second region R2 including the other end 12 of the.
  • first region R1 is folded back at the first folding line L1 extending along the lateral direction (second direction) D2 orthogonal to the longitudinal direction D1.
  • second region R2 is folded back along the second folding line L2 extending along the lateral direction D2 before the first region R1 is folded back.
  • a region between the first region R1 and the second region R2 is defined as a third region R3.
  • the other end 12 in the longitudinal direction D1 may be folded to reach the first folding line L1 of the first region R1, or as shown in FIG. Alternatively, the other end 12 may be folded away from the first folding line L1.
  • Such a wrapping method of overlapping two regions of the edge of the wrapping sheet 10 is preferable because it is simple and can reliably enclose the absorbent article without exposing it to the external environment.
  • the absorbent article 1 used in the embodiment of the present invention may be a sanitary napkin, a panty liner (a sheet for vaginal discharge), a pad for light incontinence, or the like.
  • the absorbent article 1 has an elongated shape in plan view, but the plan view shape of the absorbent article 1 is not limited to that illustrated.
  • the absorbent article 1 may be, for example, a body fluid absorbing pad having a shape such as a regular polygon including a square, a circle, or the like, which can be wrapped by the packaging sheet without being folded together with the packaging sheet.
  • the absorbent article 1 has an elongated shape, the total length of the absorbent article 1 can be 140-420 mm, and the width of the absorbent article 1 can be 50-120 mm.
  • the absorbent article 1 may have a structure in which a liquid-impermeable backsheet, an absorbent body, and a liquid-permeable topsheet are laminated in this order.
  • a sheet material having at least water impermeability such as an olefin resin sheet such as polyethylene or polypropylene, can be used.
  • a laminated nonwoven fabric obtained by laminating a nonwoven fabric on a polyethylene sheet or the like, or a laminated sheet of a nonwoven fabric in which a waterproof film is interposed to substantially ensure liquid impermeability can be used.
  • a material having moisture permeability may be used.
  • a perforated or non-perforated nonwoven fabric, a porous plastic sheet, or the like is preferably used as the surface sheet.
  • the material fibers that make up the nonwoven fabric include, for example, olefins such as polyethylene and polypropylene, synthetic fibers such as polyester and polyamide, regenerated fibers such as rayon and cupra, blended fibers thereof, and natural fibers such as cotton. It can be used in combination of two or more.
  • the absorber is not limited as long as it is a material that can absorb and retain bodily fluids, but it preferably contains cotton-like pulp and a water-absorbing polymer.
  • As the water absorbent polymer super absorbent polymer granules (SAP), super absorbent polymer fibers (SAF) and combinations thereof can be used.
  • SAP super absorbent polymer granules
  • SAF super absorbent polymer fibers
  • the pulp includes chemical pulp obtained from wood, cellulose fibers such as dissolving pulp, and artificial cellulose fibers such as rayon and acetate.
  • the thickness of the absorber can be in the range of 0.5-25 mm, preferably in the range of 1.5-6.5 mm.
  • the absorbent body can also have a structure in which a region corresponding to the body fluid outlet (body fluid outlet corresponding region) and a region behind the body fluid outlet corresponding region facing the groove of the buttocks are swollen.
  • the absorber has dimensions and a shape that do not protrude from the topsheet and the backsheet, and the outer edges of the backsheet and the topsheet are adhered to the front and rear edges of the absorber by adhesive such as hot melt or heat treatment. They are joined by adhesive means such as seals and ultrasonic seals.
  • side nonwoven fabrics may be provided along the longitudinal direction at both ends in the width direction on the outer sides of the absorbent body. As the side nonwoven fabric, a water repellent nonwoven fabric or a hydrophilic treated nonwoven fabric can be used.
  • the shape of the packaging sheet 10 is not particularly limited, it is preferable that it has an elongated shape such as a rectangle or an oblong shape in an unfolded state (unfolded state) as shown in FIG. Thereby, the elongated and planar absorbent article 1 can be hygienically packaged.
  • the dimensions of the packaging sheet 10 depend on the size and shape of the absorbent article 1 to be packaged. and the length (sometimes simply referred to as width) in the transverse direction D2 orthogonal to the longitudinal direction D1 can be 70 to 250 mm.
  • a longer packaging sheet 10 can be used according to the length of the absorbent article.
  • the length of the second region R2 is made longer than the length of the third region R3, and when the second region R2 is folded, the second region R2 is first folded along the second folding line L2 and the other end 12.
  • Fold the absorbent article on the side where the absorbent article is placed at the third folding line extending along the transverse direction D2 to the position between The first region R1 can be folded along the first folding line L1 to obtain a packaged absorbent article folded in four as a whole.
  • the material constituting the packaging sheet 10 is not particularly limited, and may be a fiber-containing sheet such as paper or non-woven fabric, or a resin film.
  • paper can refer to a sheet made by agglutinating plant fibers or other fibers with a glue.
  • it can refer to a material mainly composed of vegetable fibers (pulp), for example, a material containing 50% or more, preferably 80% or more, vegetable fiber of the contained fibers.
  • the types of pulp contained in the paper may include wood pulp, non-wood pulp, and waste paper pulp, which may be either mechanical pulp or chemical pulp. Additives may be added to the paper.
  • paper used for the packaging sheet 10 include various types of paper such as western paper, Japanese paper, processed paper, and synthetic paper.
  • unprocessed or processed paper conventionally used for other purposes such as newsprint, printing paper (including high-quality paper), writing paper, drawing paper, wrapping paper, tissue paper, miscellaneous paper, etc. can also be used as newsprint, printing paper (including high-quality paper), writing paper, drawing paper, wrapping paper, tissue paper, miscellaneous paper, etc. can also be used as newsprint, printing paper (including high-quality paper), writing paper, drawing paper, wrapping paper, tissue paper, miscellaneous paper, etc. can also be used as
  • the packaging sheet 10 is made of thin paper with a low basis weight in order to facilitate folding when packaging the absorbent article and to facilitate maintaining the state after packaging. be able to.
  • the thin paper may be light imitation paper, Indian paper, rice paper (used as cigarette wrapping paper, etc.), glassine paper, tissue paper, toilet paper, filter paper, and the like.
  • the packaging sheet 10 may be processed after papermaking. Examples of the above processing include crepe processing, embossing, calendar processing, water repellent processing, slit processing, ply processing, and printing processing. Both strength and flexibility can be improved by creping or embossing.
  • the basis weight of the packaging sheet is preferably 50 g/m 2 or less, more preferably 40 g/m 2 or less, still more preferably 30 g/m 2 or less, 20 g/m 2 or less, It can be 11 g/m 2 or less, 8 g/m 2 or less.
  • the lower limit of the basis weight of the packaging sheet 10 is not particularly limited as long as it functions as the packaging sheet 10, but it is preferably 5 g/m 2 or more, more preferably 10 g/m 2 or more.
  • the thickness of the paper packaging sheet 10 is preferably 40-200 ⁇ m, more preferably 100-200 ⁇ m.
  • the nonwoven fabric to be used is preferably a meltblown nonwoven fabric, a spunbond nonwoven fabric, or the like, and it is also possible to use a laminate obtained by combining a plurality of layers of these nonwoven fabrics.
  • fibers constituting the nonwoven fabric may be polyolefins such as polypropylene and polyethylene, polyamides such as polyester and nylon, and the like.
  • a resin film is used for the packaging sheet 10
  • resins used include polyolefins such as polypropylene and polyethylene, polyester, and polyvinyl alcohol.
  • the resin film a stretched one is preferable.
  • the resin film may be either a non-breathable film or a breathable film.
  • one packaging sheet 10 may be a single-layer sheet made of the materials described above, or one packaging sheet 10 may be formed by laminating a plurality of layers made of different materials. It may be a laminated sheet. Therefore, for example, it may be configured by laminating a resin film on the paper sheet described above.
  • the packaged absorbent article 100 is formed with peelable seal portions 15, 15 on both edges in the lateral direction D2.
  • the sealed portions 15 , 15 prevent the absorbent article 1 from being exposed to the outside, and also prevent dust from entering the inside of the packaged absorbent article 100 .
  • the seals 15, 15 may be formed, for example, by heat sealing, ultrasonic sealing, or the like, or by an adhesive.
  • the packaged absorbent article 100 is provided with a sealing tape 50 after the absorbent article 1 is wrapped by the packaging sheet 10 (FIGS. 1 to 3).
  • the sealing tape 50 is an adhesive tape having adhesive layers 61 and 62 on the surface facing the packaging sheet 10 .
  • the adhesive tape is a tape that can be attached to and detached from the outer surface of the packaging sheet 10 even after a certain amount of time has passed.
  • the sealing tape 50 is adhered from the first region R1 overlaid on the outer surface of the second region R2 to the second region R2.
  • the sealing tape 50 is attached to the outer surface of the packaging sheet 10 so as to straddle one end 11 of the packaging sheet 10 in the longitudinal direction D1 included in the first region R1.
  • the first region R1 can be at least partially pinned to the second region R2 to prevent the first region R1 from opening. Therefore, before the packaged absorbent article 100 is unsealed, it is possible to prevent dust and the like from entering between the first region R1 and the second region R2.
  • the sealing tape 50 has a fixing portion 52 positioned on the outer surface side of the first region R1 and a grip portion 51 positioned on the outer surface side of the second region R2.
  • the vicinity of the second folding line L2 of the packaging sheet 10 is usually held with one hand, and the grip portion 51 attached to the second region R2 of the sealing tape 50 is held with the other hand. It is held by hand and pulled, and the sealing tape 50 is peeled off from the second region R2.
  • the sealing tape 50 is further pulled, the sealing of the sealing portions 15, 15 is released, but the fixing portion 52 attached to the first region R1 of the sealing tape 50 is attached to the first region R1. maintained as they were. Therefore, by continuously pulling the sealing tape 50, the first region R1 is lifted together with the sealing tape 50 and peeled off from the second region R2, so that the packaged absorbent article 100 can be unfolded.
  • an adhesive layer 61 is intermittently (discontinuously) formed on the surface S1 of the grip portion 51 of the sealing tape 50 facing the second region R2. More specifically, the adhesive layer 61 is formed in stripes.
  • intermittently formed or striped formation includes a portion where the adhesive layer 61 is formed and a portion where the adhesive layer 61 is not formed (no adhesive is applied) (in other words, and the adhesive is not applied to the entire surface where it is required).
  • the adhesive is substantially applied. It also includes cases where the action and function as an adhesive are negligible.
  • a plurality of linear portions extending along the lateral direction (second direction) D2 of the sealing tape 50 are separated from each other in the longitudinal direction (first direction) D1 of the sealing tape 50. are arranged side by side with a space between them. Therefore, the grip portion 51 has a portion where the adhesive is not applied and does not adhere to the second region R2. Therefore, the contact area between the grip portion 51 and the second region R2 can be reduced. As a result, the binding force between the grip portion 51 and the second region R2 can be reduced, and when the wrapped absorbent article 100 is opened by holding the grip portion 51, the grip portion 51 can be moved from the second region R2 with a smaller force. It can be peeled off, and the wrapped absorbent article 100 can be opened with a smooth action.
  • the sealing tape 50 coated with a weakly adhesive adhesive is used in order to facilitate the peeling of the grip portion 51. something happened.
  • the adhesive strength of the sealing tape 50 as a whole is weakened, the adhesive strength of the fixing portion 52 of the sealing tape 50 is also weakened, and the fixing portion 52 may be pulled out before or during the opening operation of the packaged absorbent article 100 .
  • the original role of the sealing tape 50 to prevent the opening of the first region R1 could not be fulfilled because the sealing tape 50 was peeled off from the first region R1.
  • the bonding force can be weakened only at the grip portion 51 without changing the adhesive force per unit area of the adhesive applied to the sealing tape 50 .
  • the holding portion 51 can be easily peeled off while maintaining the high bonding strength to the first region R1. For example, by intermittently forming the adhesive layer 61 of the grip portion 51 as described above without changing the type of adhesive applied to the sealing tape 50, the bonding force of only the grip portion 51 can be weakened. .
  • the end 51 a of the sealing tape 50 on the grip part 51 side may not be attached to the packaging sheet 10 .
  • the end of the sealing tape 50 on the side of the grip portion 51 is folded back, and the outer surface (the surface without the adhesive layer) of the sealing tape 50 is the end facing the packaging sheet 10. 51a may be formed.
  • the shape of the sealing tape 50 is not particularly limited, it may be rectangular or square with a constant width.
  • the width of the sealing tape 50 may preferably be 5-30 mm, more preferably 10-20 mm.
  • the overall length of the sealing tape 50 may be preferably 10-50 mm, more preferably 15-40 mm.
  • FIGS. 4 Modified example of sealing tape
  • 5 and 7 to 14 show modifications of the sealing tape 50 of the packaged absorbent article 100 according to the first embodiment of the present invention.
  • 6 shows an enlarged view of portion II of FIG.
  • 5, and 7 to 14 are plan views of the sealing tape 50 viewed from the side of the adhesive layers 61 and 62 (the side facing the packaging sheet 10). It is described so that the grip portion 51 is on the side and the fixing portion 52 is on the upper side. 4, 5, and 7 to 14, the adhesive layer 62 of the fixing portion 52 of the sealing tape 50 is the same as the example shown in FIGS.
  • the pattern of the adhesive layer 61 is different.
  • the pattern means the entire pattern of the adhesive layer 61 formed on the grip portion 51, but the intersection of the patterns means the pattern as the whole pattern as well as the individual patterns that make up the pattern. It may indicate an adhesive layer.
  • the pattern of the pressure-sensitive adhesive layer 61 is not limited to the striped pattern shown in FIGS. good.
  • the width of the lines may preferably be 0.1-3.0 mm, more preferably 0.5-2.0 mm. Also, the number of lines is three in the examples shown in FIGS. 1 and 3 to 5, but is not limited to this.
  • the ratio of the total planar view area of the adhesive layer 61 on the surface S1 of the grip portion 51 facing the packaging sheet 10 depends on the adhesive performance of the adhesive layer 61 and the material of the packaging sheet 10, but is preferably It may be 30-90%, more preferably 50-80%.
  • the contact area can be 30% or more. It is possible to secure the role of the sealing tape 50 of fixing to the second region R2.
  • the ratio of the total surface area of the pressure-sensitive adhesive layer 61 to 90% or less, the contact area can be 90% or less. It is possible to further improve the effect that it is easy to peel off.
  • the pattern of the pressure-sensitive adhesive layer 61 can form various patterns depending on the shape and width of the lines, as well as the length, number of lines, intervals, and the like. Therefore, the planar view area of the adhesive layer 61 (the area of the portion to which the adhesive is applied) or the planar view area of the portion to which the adhesive is not applied on the surface S1 of the grip portion 51 facing the packaging sheet 10 is can be controlled (and possibly changed). Thereby, the contact area between the grip portion 51 and the second region R2 of the packaging sheet 10 can be controlled. Therefore, the coupling force between the grip portion 51 and the second region R2 can be controlled.
  • the portions coated with the adhesive and the portions not coated with the adhesive can be efficiently dispersed over the entire grip portion 51. Reduction of the contact area between the grip portion 51 and the second region R2 of the packaging sheet 10 can be uniformly caused. Therefore, even if the user applies uneven force when peeling off the grip portion 51 of the sealing tape 50, the sealing tape 50 can be peeled off smoothly.
  • a spiral pattern as shown in FIG. 5 is particularly preferable.
  • the adhesive layer 61 is intermittently formed also in the case of the spiral pattern.
  • the grip portion 51 has a portion where the adhesive is not applied and does not adhere to the second region R2. Therefore, the contact area between the grip portion 51 and the second region R2 can be reduced.
  • the binding force between the grip portion 51 and the second region R2 can be reduced, and when the wrapped absorbent article 100 is opened by holding the grip portion 51, the grip portion 51 can be moved from the second region R2 with a smaller force. It can be peeled off, and the wrapped absorbent article 100 can be opened with a smooth action.
  • the portion coated with the adhesive and the portion not coated with the adhesive can be relatively easily dispersed over the entire grip portion 51 and formed. Therefore, the contact area between the grip portion 51 and the second region R2 of the packaging sheet 10 can be reduced more uniformly.
  • the pressure-sensitive adhesive layer 61 preferably has a portion 61a with a large layer thickness (large basis weight) and a portion 61b with a thin layer thickness (small basis weight).
  • the layer thickness of the thick portion 61a can be preferably twice or more that of the thin portion 61b.
  • the thinner portion 61b is peeled off with a smaller peeling force than the thicker portion 61a, so that peeling can be performed with a smaller force as a whole.
  • the user when replacing the absorbent article, the user often wraps the used absorbent article in the packaging sheet 10 that was peeled off when the new packaged absorbent article was opened, and discards it.
  • the sealing tape 50 that remains attached to the first region R1 of the packaging sheet 10 is reused to wrap it.
  • Used absorbent articles can be clipped. More specifically, the used absorbent article is wrapped so that the first region R1 having the sealing tape 50 of the packaging sheet 10 is positioned outside, and the gripping portion 51 of the sealing tape 50 is placed under the gripping portion 51. It is attached to the surface of the packaging sheet 10 arranged on the side. This allows the used absorbent article to remain compactly rolled and wrapped. Therefore, it is preferable that the grip portion 51 of the sealing tape 50 once peeled off at the time of opening can be reused (has refastening properties).
  • the packaging sheet 10 is a fiber-containing sheet containing a fiber material such as paper or non-woven fabric
  • the grip portion 51 of the sealing tape 50 when the grip portion 51 of the sealing tape 50 is peeled off at the time of opening the packaged absorbent article, the fibers on the surface of the packaging sheet 10 easily adheres to the adhesive layer 61 of the grip portion 51 .
  • the fibers adhering to the once peeled grip portion 51 can reduce the adhesiveness of the adhesive layer 61 .
  • the adhesive layer 61 when the adhesive layer 61 is applied intermittently, most of the individual fibers adhere to the adhesive layer 61. When they are in contact, the fibers separate from the surface of the packaging sheet 10 and adhere to the adhesive layer 61 . However, even if some of the fibers of interest are in contact with the adhesive layer 61, if most of the fibers are in contact with a portion where the adhesive layer 61 is not present, the fibers will not separate from the surface of the packaging sheet 10 and will be attached to the packaging sheet. 10 Stay on the surface.
  • the proportion of fibers adhering to the pressure-sensitive adhesive layer 61 is reduced, so the surface of the pressure-sensitive adhesive layer 61 is covered with fibers covering the pressure-sensitive adhesive-applied surface per unit area more than when the pressure-sensitive adhesive is applied in a solid state. of the adhesive layer 61 can be avoided. As a result, the ratio of the surface area of the adhesive layer 61 to which the fibers are not adhered is greater than in the case where the adhesive is applied solidly. 51 can be reused.
  • the portion with the thicker layer is stronger when the sealing tape 50 is adhered. While being pressed, more fibers of the packaging sheet 10 tend to adhere, fewer fibers adhere to the portion 61b where the layer thickness is thin. Therefore, when the used absorbent article is disposed of, when the used absorbent article is wrapped in the packaging sheet 10 and fastened with the sealing tape 50, the sealing tape 50 is more securely fastened, and the used absorbent article is removed. You can keep it wrapped.
  • the adhesive layer 61 having thick portions 61a and thin portions 61b can be formed, for example, by partially overlapping and applying the adhesive multiple times.
  • a portion 61a with a thick layer and a portion 61b with a thin layer it is possible to relatively easily form a portion 61a with a thick layer and a portion 61b with a thin layer.
  • the linear portions are doubled to form a thick portion 61a.
  • other non-overlapping linear portions become portions 61b where the layer thickness is thin.
  • the number, distribution, etc., of the portions 61a where the layer thickness is thick and the portions 61b, where the layer thickness is thin can be controlled by the number, positions, and the like of the intersection points 65 .
  • the portions 61a with a thick layer and the portions 61b with a thin layer can be formed in a dispersed manner over the entire gripping portion 51, the refastening property between the gripping portion 51 and the second region R2 of the packaging sheet 10 is improved. can be generated uniformly.
  • the pressure-sensitive adhesive layer 61 is a pattern that includes one or more linear portions and has a portion (intersection point) where two or more linear portions overlap, the thick portion 61a and the thin portion 61b can be relatively easily separated. Since it can be formed, it is not limited to a spiral pattern. It may be an irregular wavy line pattern as shown in FIG. 7 or a lattice pattern as shown in FIG.
  • the pattern of the pressure-sensitive adhesive layer 61 may be a linear pattern as described above, or a pattern that is an aggregation of small portions of squares (FIG. 9) and circles (dots) (FIG. 10) in plan view. may be In this case, it is preferable that the square small portions and the circular small portions are spaced apart.
  • the pattern of the adhesive layer 61 is formed by combining different shaped adhesives. By combining adhesives with different shapes, it is possible to widen the range of control of the bonding strength between the grip portion 51 and the packaging sheet 10 or the refastening property of the grip portion 51 .
  • a floral design pattern is formed, which can be formed, for example, by transferring a hot-melt adhesive to the tape substrate. Since the design has a part where the adhesive is not applied, the intermittent adhesive layer 61 can be formed and at the same time, the design can be imparted.
  • the example shown in FIG. 14 differs from the example shown in FIG. 5 in that the pattern of the adhesive layer 61 includes three spirals, and the pitch of the spirals decreases toward the fixed portion 52 side. That is, the planar view area per unit area of the adhesive layer 61 increases toward the fixing portion 52 side.
  • the contact area between the sealing tape 50 and the packaging sheet 10 can be made smaller on the side of the gripping portion 51 of the sealing tape 50 closer to the end portion 51a. Therefore, at the stage when the sealing tape 50 starts to be peeled off, the force required for peeling off can be reduced, and the sealing tape 50 can be peeled off smoothly.
  • the number of intersection points 65 included in the spiral pattern increases toward the fixing portion 52 side. That is, the planar view area of the portion 61a with the thick layer is large.
  • the packaging sheet 10 contains a fiber material
  • more fibers of the packaging sheet 10 are likely to adhere to the side of the gripping portion 51 closer to the fixing portion 52, whereas the end portion 51a of the gripping portion 51 is more likely to adhere. Fewer fibers can be attached on the side closer to the Therefore, when the used absorbent article is disposed of, when the used absorbent article is wrapped in the packaging sheet 10 and fastened with the sealing tape 50, the side of the sealing tape 50 closer to the end 51a can be more securely fastened. , can keep the used absorbent article wrapped.
  • FIG. 15 shows a plan view of a packaged absorbent article 200 according to the second embodiment.
  • the basic configuration of the packaged absorbent article 200 and the configuration of the adhesive layers 261 and 262 of the sealing tape 250 are the same as in the first embodiment, but the shape of the sealing tape 250 is different.
  • the sealing tape 250 of this embodiment has a trapezoidal shape in which the length in the lateral direction (second direction) D2 decreases toward the end portion 251a.
  • the maximum value of the length of the fixing portion 352 of the sealing tape 250 in the horizontal direction D2 (the edge on the fixing portion 252 side) is W1
  • the length of the vertical direction (first direction) D1 of the sealing tape 250 is The length is H1
  • the length excluding the end portion 251a in the vertical direction (first direction) D1 of the grip portion 251 is H2
  • W2 be the length of the grip portion 251 in the horizontal direction (second direction) D2.
  • W1 can be preferably 8 to 20 mm, more preferably 10 to 15 mm.
  • W2 can be preferably 5-20 mm, more preferably 8-12 mm.
  • H1 can be preferably 20-40 mm, more preferably 25-35 mm.
  • FIG. 16 shows a plan view of a packaged absorbent article 300 according to the third embodiment.
  • the basic configuration of the packaged absorbent article 300 and the configuration of the adhesive layers 361 and 362 of the sealing tape 350 are the same as those of the first embodiment and the second embodiment, but the sealing The shape of the tape 350 is different.
  • the shape of the sealing tape 350 of this embodiment is a heart shape in which the length in the lateral direction (second direction) D2 decreases toward the end portion 351a.
  • the length of the maximum value of the length of the fixing portion 352 of the sealing tape 350 in the horizontal direction D2 is W1
  • the length of the vertical direction (first direction) D1 of the sealing tape 350 is H1
  • the length of the holding portion 351 is H2 is the length excluding the end portion 351a in the vertical direction (first direction) D1
  • the horizontal direction (first 2 directions) Let the length of D2 be W2.
  • W1 can be preferably 8 to 20 mm, more preferably 10 to 15 mm.
  • W2 can be preferably 5-20 mm, more preferably 8-12 mm.
  • H1 can be preferably 20-40 mm, more preferably 25-35 mm.
  • the shape of the sealing tapes 250 and 350 is such that the length in the horizontal direction at the position 1/2 in the vertical direction from the edge of the end portions 251a and 351a of the gripping portions 251 and 351 is the width of the fixed portions 252 and 352. It may be smaller than the maximum value of the length in the direction, and is not limited to the trapezoid and heart shape described above.
  • the adhesive layers 261, 262, 361, 362 of the fixing portions 252, 352 and the gripping portions 251, 351 in the second and third embodiments are all the first to tenth modifications described in the first embodiment. can be a pattern of
  • FIG. 17 shows a method of manufacturing the sealing tape 50 as an example.
  • the adhesive layers 61 and 62 of the sealing tape 50 are formed by ejecting a filamentous hot-melt adhesive from an adhesive ejection nozzle provided in a fixed adhesive application device 90 using an adhesive application device 90, and forming a roll. It can be formed relatively simply by applying it to one surface of the tape substrate conveyed by. Forming the pattern of the adhesive layer 61 of the grip portion 51 on one side of the tape substrate divided into two in the longitudinal direction of the tape substrate, and simultaneously forming the adhesive layer 62 of the fixing portion 52 on the other side. can be done.
  • striped intermittent adhesive layers 61 as shown in FIGS. can be formed.
  • regular wavy lines Fig. 4
  • spiral shapes Fig. 5
  • the adhesive layer 61 can be formed in various patterns such as irregular wavy lines (FIG. 7).
  • the portion coated with the adhesive and the portion not coated with the adhesive can be dispersed over the entire grip portion 51 and formed.
  • the adhesive layer 61 having a spiral pattern rotates the adhesive by, for example, changing the direction of the nozzle itself or applying wind pressure to the thread-like adhesive discharged from the nozzle. It can be formed by coating while Therefore, it is possible to relatively easily form the portion where the adhesive is applied and the portion where the adhesive is not applied so as to be dispersed over the entire grip portion 51 .
  • the pressure-sensitive adhesive layer 61 having thick portions 61a and thin portions 61b can be formed in one step (single-stroke drawing) without repeated application.
  • the adhesive layer 61 may be formed by transfer, spraying, or brush coating.
  • a complicated shape pattern such as a grid pattern (FIG. 8) or a floral pattern (FIG. 13) by transfer.
  • a sealing tape 50 with layer 61 is obtained.
  • the sealing tape 250 of the packaged absorbent article 200 according to the second embodiment it can be manufactured by the same method as in the first embodiment, but a single sealing tape 250 is cut out from a band-shaped tape base material.
  • the trapezoidal sealing tape 250 can be obtained by cutting at an angle from the direction perpendicular to the transport direction Dt of the tape base material.
  • the sealing tape 350 of the packaged absorbent article 300 according to the third embodiment it can be manufactured by the same method as in the first embodiment. , can be obtained by die-cutting into a heart shape.

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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)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Packages (AREA)

Abstract

Article absorbant conditionné comprenant une feuille de conditionnement et un article absorbant conditionné dans ladite feuille de conditionnement, dans lequel : la feuille de conditionnement a une première région qui comprend une extrémité dans une première direction de la feuille de conditionnement et une seconde région qui comprend l'autre extrémité dans la première direction, est repliée par pliage de la première région sur la surface externe de la seconde région, et a une bande d'étanchéité collée à travers la surface externe de la première région et la surface externe de la seconde région; la bande d'étanchéité a une partie de fixation qui est disposée sur le côté de surface externe de la première région et une partie de maintien qui est disposée sur le côté de surface externe de la seconde région; et des couches adhésives sont formées par intermittence sur une surface de la partie de maintien opposée à la feuille de conditionnement.
PCT/JP2021/042267 2021-01-22 2021-11-17 Article absorbant conditionné WO2022158102A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021008504A JP2022112640A (ja) 2021-01-22 2021-01-22 包装吸収性物品
JP2021-008504 2021-01-22

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WO2022158102A1 true WO2022158102A1 (fr) 2022-07-28

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TW (1) TW202228618A (fr)
WO (1) WO2022158102A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11794976B2 (en) 2020-07-30 2023-10-24 The Procter And Gamble Company Recyclable absorbent article package material

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024074044A (ja) * 2022-11-18 2024-05-30 大王製紙株式会社 個装吸収性物品、及び包装シート
JP2024074046A (ja) * 2022-11-18 2024-05-30 大王製紙株式会社 個装吸収性物品の製造方法、及び個装吸収性物品

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63307065A (ja) * 1987-05-29 1988-12-14 Matsushita Electric Ind Co Ltd 部品連
JP2001161745A (ja) * 1999-12-14 2001-06-19 Kao Corp 吸収性物品の包装材
JP2010075249A (ja) * 2008-09-24 2010-04-08 Daio Paper Corp 個装吸収性物品

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63307065A (ja) * 1987-05-29 1988-12-14 Matsushita Electric Ind Co Ltd 部品連
JP2001161745A (ja) * 1999-12-14 2001-06-19 Kao Corp 吸収性物品の包装材
JP2010075249A (ja) * 2008-09-24 2010-04-08 Daio Paper Corp 個装吸収性物品

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11794976B2 (en) 2020-07-30 2023-10-24 The Procter And Gamble Company Recyclable absorbent article package material

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JP2022112640A (ja) 2022-08-03
TW202228618A (zh) 2022-08-01

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