WO2020062132A1 - Wearable article having disposal wrapping means - Google Patents

Wearable article having disposal wrapping means Download PDF

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Publication number
WO2020062132A1
WO2020062132A1 PCT/CN2018/108576 CN2018108576W WO2020062132A1 WO 2020062132 A1 WO2020062132 A1 WO 2020062132A1 CN 2018108576 W CN2018108576 W CN 2018108576W WO 2020062132 A1 WO2020062132 A1 WO 2020062132A1
Authority
WO
WIPO (PCT)
Prior art keywords
belt
article
detachable area
center chassis
disposal
Prior art date
Application number
PCT/CN2018/108576
Other languages
English (en)
French (fr)
Inventor
Koichi Morimoto
Kazuaki Tameishi
Original Assignee
The Procter & Gamble Company
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 The Procter & Gamble Company filed Critical The Procter & Gamble Company
Priority to PCT/CN2018/108576 priority Critical patent/WO2020062132A1/en
Priority to CN201910890917.6A priority patent/CN110960359B/zh
Publication of WO2020062132A1 publication Critical patent/WO2020062132A1/en

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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
    • A61F13/551—Packaging before or after use
    • A61F13/55105—Packaging before or after use packaging of diapers
    • A61F13/5512—Packaging before or after use packaging of diapers 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
    • A61F13/45—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 articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
    • 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
    • A61F13/505—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with separable parts, e.g. combination of disposable and reusable parts
    • 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
    • A61F13/84—Accessories, not otherwise provided for, for absorbent pads

Definitions

  • the present invention relates to wearable articles having a disposal wrapping means.
  • Pant-type absorbent articles are those which are donned by inserting the wearer’s legs into the leg openings and sliding the article up into position about the lower torso. Pant-type absorbent articles have become popular for use on children who are able to walk and often who are toilet training, as well as for younger children who become more active in movement such that application of taped-type absorbent articles tends to be more difficult.
  • Belt-type pants having a center chassis to cover the crotch region of the wearer and a separate elastic belt defining the waist opening and leg opening are known in the art, such as described in PCT Publication WO 2006/17718A.
  • certain pant-type wearable articles are configured such that there is a substrate layer completely covering the entirety of the garment-facing surface of the article.
  • Such pant-type wearable articles may be referred to as one piece-type pants.
  • the belt-type or one piece-type such pants have an elastic belt made of a laminate of nonwoven layers and elastic bodies sandwiched therebetween.
  • Pant articles which do not have fastening means may be equipped with a disposal tape on the garment facing surface which enables the used pant to be wrapped around itself prior to disposal as sanitary waste.
  • the disposal tape may help distinguish front and back of the article, which may otherwise look similar.
  • the disposal tape By wrapping around itself, the used article can be kept in a closed posture to avoid exposure of bodily exudates, and can be made compact.
  • the disposal tape In order to endure the stretching forces that may be applied to the disposal tape upon such wrapping action, the disposal tape may be made by durable plastic material, and with a colored opening tab to signal where to open the disposal tape. All of the above characteristics of such a disposal tape has a number of disadvantages.
  • the plastic aesthetic and tactile sense of the disposal tape may not harmonize well with the garment facing surface of the article. Further, the disposal tape may be opened prematurely by being accessible to the very young wearer or by inadvertently attaching to the inner surface of clothing. Still further, the disposal tape may add cost.
  • the present invention is directed to a wearable article continuous in a longitudinal direction and a transverse direction comprising;
  • a center chassis and a ring-like elastic belt comprising a first belt (85) and a second belt; the center of the first belt (85) is joined to a first waist panel (55) of the center chassis, the center of the second belt is joined to a second waist panel of the center chassis, and the remainder of the center chassis is a crotch panel, the front and back belt each having a left side panel and a right side panel where the center chassis does not overlap, and the transverse edges of the first belt (85) and the second belt are joined by a seam to form a waist opening and two leg openings; wherein the first belt (85) and the second belt are discontinuous of each other in the longitudinal direction;
  • the center chassis comprising a liquid impermeable backsheet having a transverse dimension
  • a detachable area (330) positioned along the proximal edge of the first belt (85) where the first belt (85) is joined to the first waist panel (55) , wherein the detachable area (330) comprises a detaching means to provide a disposal pocket (331) by opening the detachable area (330) with an Opening Force of no more than about 3N according to measurements herein, the disposal pocket (331) having a longitudinal dimension of at least about 30mm and a transverse dimension of from about 60mm to not more than the transverse dimension of the backsheet overlapping the detachable area (330) in the thickness direction;
  • disposal pocket (331) is large enough to be flipped inside-out to tuck in the waist opening and leg openings of the article.
  • Figure 1 is a perspective view of one embodiment of a wearable article of the present invention showing the second belt.
  • Figure 2 is a schematic plan view of one embodiment of a wearable article of the present invention with the seams unjoined and in a flat uncontracted condition showing the garment facing surface.
  • Figure 3A is a schematic view of one embodiment of a wearable article of the present invention in a contracted condition showing the first belt.
  • Figure 3B is a schematic view of Figure 3A in a ready-to-wrap state.
  • Figure 3C is a schematic view of Figure 3B with fingers inserted.
  • Figure 3D is a schematic view of Figure 3B in a flipping state.
  • Figure 3E is a schematic view of Figure 3B in a wrapped state.
  • Figure 4A is a schematic view of one embodiment of a wearable article of the present invention in a contracted condition showing the first belt.
  • Figure 4B is a schematic view of Figure 4A in a ready-to-wrap state.
  • Figure 5A is a schematic view of one embodiment of a wearable article of the present invention in a contracted condition showing the first belt.
  • Figure 5B is a schematic view of Figure 5A in a ready-to-wrap state.
  • Figure 6A is a schematic cross section view of one embodiment of the wearable article of the present invention.
  • Figure 6B is a a schematic plan view of one embodiment of the detaching strip in unfastened state of the present invention.
  • “Wearable article” refers to articles of wear which may be in the form of pants, taped diapers, incontinent briefs, feminine hygiene garments, and the like.
  • the “wearable article” may be so configured to also absorb and contain various exudates such as urine, feces, and menses discharged from the body.
  • the “wearable article” may serve as an outer cover adaptable to be joined with a separable disposable absorbent insert for providing absorbent and containment function, such as those disclosed in PCT publication WO 2011/087503A.
  • Pant refers to disposable absorbent articles having a pre-formed waist and leg openings. A pant may be donned by inserting a wearer's legs into the leg openings and sliding the pant into position about the wearer's lower torso. Pants are also commonly referred to as “closed diapers” , “prefastened diapers” , “pull-on diapers” , “training pants” and “diaper-pants” .
  • Longitudinal refers to a direction running substantially perpendicular from a waist edge to an opposing waist edge of the article and generally parallel to the maximum linear dimension of the article.
  • Transverse refers to a direction perpendicular to the longitudinal direction.
  • Body-facing and “garment-facing” refer respectively to the relative location of an element or a surface of an element or group of elements. “Body-facing” implies the element or surface is nearer to the wearer during wear than some other element or surface. “Garment-facing” implies the element or surface is more remote from the wearer during wear than some other element or surface (i.e., element or surface is proximate to the wearer’s garments that may be worn over the disposable absorbent article) .
  • Disposed refers to an element being located in a particular place or position.
  • “Joined” refers to configurations whereby an element is directly secured to another element by affixing the element directly to the other element and to configurations whereby an element is indirectly secured to another element by affixing the element to intermediate member (s) which in turn are affixed to the other element.
  • Permanently attached refers to a state whereby an element is directly secured to another element, wherein the other element cannot be removed from the element without destroying the element, or wherein when the other element is removed, the other element can no longer be secured to the element.
  • Permanent attaching means include heat bonding, pressure bonding, ultrasonic bonding, adhesive agent, and combinations thereof.
  • Refastenably attached refers to a state whereby an element is directly secured to another element, wherein the other element is capable of being removed from the element and subsequently secured back to the element.
  • Refastenable attaching means include hook and loop, latch and hole, button and hole, hook and hole, low tackifying adhesive agent, and combinations thereof.
  • Proximal refers to a portion being closer relative to the longitudinal center of the article, while “distal” refers to a portion being farther from the longitudinal center of the article.
  • Film refers to a sheet-like material wherein the length and width of the material far exceed the thickness of the material. Typically, films have a thickness of about 0.5 mm or less.
  • Water-permeable and “water-impermeable” refer to the penetrability of materials in the context of the intended usage of disposable absorbent articles. Specifically, the term “water- permeable” refers to a layer or a layered structure having pores, openings, and/or interconnected void spaces that permit liquid water, urine, or synthetic urine to pass through its thickness in the absence of a forcing pressure. Conversely, the term “water-impermeable” refers to a layer or a layered structure through the thickness of which liquid water, urine, or synthetic urine cannot pass in the absence of a forcing pressure (aside from natural forces such as gravity) . A layer or a layered structure that is water-impermeable according to this definition may be permeable to water vapor, i.e., may be “vapor-permeable” .
  • Elasticated and “elasticized” mean that a component comprises at least a portion made of elastic material.
  • Elastic material “extensible material” , or “stretchable material” are used interchangeably and refer to a material that, upon application of a biasing force, can stretch to an extended length of at least about 110%of its relaxed, original length (i.e. can stretch to 10 percent more than its original length) , without rupture or breakage, and upon release of the applied force, shows little recovery, less than about 20%of its extention without complete rupture or breakage as measured by EDANA method 20.2-89. In the event such an extensible material recovers at least 40%of its extension upon release of the applied force, the extensible material will be considered to be “elastic” or “elastomeric.
  • an elastic material that has an initial length of 100mm can extend at least to 150mm, and upon removal of the force retracts to a length of at least 130mm (i.e., exhibiting a 40%recovery) .
  • the extensible material will be considered to be “substantially non-elastic” or “substantially non-elastomeric” .
  • an elastic material that has an initial length of 100mm can extend at least to 150mm, and upon removal of the force retracts to a length of at least 145mm (i.e., exhibiting a 10%recovery) .
  • Article refers to a visual presentation to the naked eye, which is provided by printing or otherwise, and having a color.
  • Printing includes various methods and apparatus well known to those skilled in the art such as lithographic, screen printing, flexographic, and gravure ink jet printing techniques.
  • Figure 1 is a perspective view of an embodiment of the wearable article (20) of the present invention showing the second belt.
  • Figure 3A is a schematic view of another embodiment of the wearable article (20) of the present invention in a contracted condition showing the first belt (85) .
  • Figure 2 is a schematic plan view of the same article with the seams unjoined and in its flat uncontracted condition showing the garment-facing surface.
  • the wearable article (20) has a longitudinal centerline L1 which also serves as the longitudinal axis, and a transverse centerline T1 which also serves as the transverse axis.
  • the wearable article (20) has a body facing surface, a garment facing surface, a front region (26) , a back region (28) , a crotch region (30) , and seams (32) which join the front region (26) and the back region (28) to form two leg openings and a waist opening.
  • the wearable article (20) comprises a center chassis (38) to cover the crotch region of the wearer, a front belt (84) and a back belt (86) (hereinafter may be referred to as “front and back belts” ) .
  • the wearable article (20) may be a belt-type pant wherein the front and back belts (84, 86) form a ring-like elastic belt (40) (hereinafter may be referred to as “waist belt” ) extending transversely defining the waist opening, as in Figure 1, 2, or 3A.
  • the front and back belts (84, 86) and the center chassis (38) jointly define the leg openings.
  • the wearable article may be a one-piece-type pant wherein the garment facing surface of the center chassis (38) , the front belt (84) , and the back belt (86) are continuously covered by an outer cover layer as in Figure 5A.
  • the portion configured to stretch about the torso and extending transversely between the side seams (32) is considered the front and back belts (84, 86) .
  • the central chassis (38) may comprise a topsheet, a backsheet and an absorbent core (62) disposed between the topsheet and the backsheet, and further an outer cover layer (42) for covering the garment-facing side of the backsheet.
  • the topsheet may be a water permeable substrate.
  • the backsheet may be a water impermeable film.
  • the outer cover layer (42) may be a nonwoven sheet.
  • the center chassis (38) may comprise an absorbent core to absorb and retain liquid body exudates.
  • the absorbent core may include acquisition and/or distribution layers to facilitate the acquisition and the distribution of body exudates.
  • the absorbent core (62) is the region wherein absorbent materials in particulate form having a high retention capacity such as superabsorbent polymers, are present.
  • the absorbent core (62) may be substantially cellulose free, while the acquisition and/or distribution layers may include cellulosic fibers.
  • Superabsorbent polymers of the absorbent core (62) may be disposed between first and second layers of material and immobilized by a fibrous layer of thermoplastic adhesive material.
  • the first and second layers of materials may be nonwoven fibrous webs including synthetic fibers, such as mono-constituent fibers of PE, PET and PP, multiconstituent fibers such as side by side, core/sheath or island-in-the-sea type fibers.
  • Such synthetic fibers may be formed via a spunbonding process or a meltblowing process.
  • An absorbent composite may be made of the first layer of nonwoven, the second layer of nonwoven, and absorbent polymers, and the absorbent composite may further be layered. Some portions of the first and second layers of absorbent composite may be configured to have substantially no absorbent material and adhered to each other to form channels. Channels may be useful for allowing the absorbent core to bend upon swelling with fluids to conform to the wearer’s body and prevent sagging of the article.
  • the vicinity of the longitudinal side edges (48) of the central chassis (38) may be formed into a pair of outer cuffs extending transversely outward from the central chassis (38) , the outer cuffs made by at least the backsheet (60) and the outer cover layer (42) , and optionally also with the topsheet (58) , and further with a cuff material and cuff elastic members.
  • the central chassis (38) may further comprise a pair of inner cuffs extending toward the body facing side, the inner cuff made by cuff material and cuff elastic members.
  • the ring-like belt (40) or elastic region formed by the front belt (84) and back belt (86) acts to dynamically create fitment forces and to distribute the forces dynamically generated during wear.
  • the front and back belts (84, 86) may be joined with each other only at the side edges (89) at the seams (32) to form a wearable article having a waist opening and two leg openings.
  • Each leg opening may be provided with elasticity around the perimeter of the leg opening by the combination of elasticity from the front belt (84) , the back belt (86) , and any from the center chassis (38) .
  • the front leg opening region is disposed adjacent the leg opening along the proximal edge (90) of the left and right side panels (82) of the front belt (84) .
  • the front belt (84) and back belt (86) are configured to impart elasticity to the belt (40) .
  • the front belt (84) and the back belt (86) may each be formed by a laminate comprising a plurality of elastic bodies (96) running in the transverse direction, an inner sheet, an outer sheet (92) , and an outer sheet fold over wherein the outer sheet fold over is an extension of the outer sheet material formed by folding the outer sheet material at the distal edge (88) of the front and back belts, the outer sheet fold over directly joined to the center chassis.
  • the front belt (84) and the back belt (86) may each be made only by elastic bodies (96) , the inner sheet, the outer sheet (92) , and the outer sheet fold over.
  • the belt elastic bodies (96) may extend in the transverse direction to provide a ring like elastic belt 40 when the front belt (84) and the back belt (86) are joined. At least some of the elastic bodies (96) extend in the transverse direction substantially parallel to each other. All of the elastic bodies (96) may extend in the transverse direction substantially parallel to each other. Such an article may be economically made.
  • the front and back belt (84, 86) each have transversely continuous proximal and distal edges, the proximal edge (90) being located closer than the distal edge (88) relative to the transverse center line T1.
  • the outer sheet fold over is an extension of the outer sheet material formed by folding the outer sheet material at the distal edge (88) of the front and back belts (84, 86) .
  • the transverse width LW of the back belt (86) in the uncontracted condition may be the same as the transverse width of the front belt (84) of the same condition. Such an article may be economically made.
  • the longitudinal length LB of the back belt (86) between the back distal edge (88) and the back proximal edge (90) along its entire width LW of the back belt (86) may be approximately the same as the longitudinal length LF of the front belt (84) between the front distal edge (88) and the front proximal edge (90) .
  • the seams (32) close the front and back belt (84, 86) side edges (89) of the same length for forming the article.
  • Such an article may be economically made.
  • the back belt (86) may have a greater longitudinal length LB between the back distal edge (88) and the back proximal edge (90) along its entire width LW of the back belt (86) in the transverse direction than the longitudinal length LF of the front belt (84) between the front distal edge (88) and the front proximal edge (90) .
  • the wearable article (20) is folded along the transverse centerline T1 such that the front distal edge (88) is aligned with the back distal edge (88) .
  • the front side edge (89) is also aligned with a portion of the back side edge (89) .
  • the front belt (84) and the back belt (86) are joined at the front and back side edges (89) at the seams (32) .
  • the front and back proximal edges (90) may not be aligned to one another.
  • the back proximal edge (90) may be disposed longitudinally closer than the front proximal edge (90) relative to the transverse center line T1 such that the proximal portion of the back side panel (82) extends toward the crotch panel (56) of the center chassis (38) beyond the front proximal edge (90) .
  • the side edge of the proximal portion of the back side panel (82) may not be joined to anywhere and free from attachment.
  • the proximal portion of the back side panel (82) provides a buttock cover.
  • the front and/or back belt (84, 86) may be treated such that certain of the area overlapping the front and/or back waist panel (52, 54) of the center chassis (38) are removed of elasticity. Removal of elasticity from a certain area of the front and/or back waist panel (52, 54) may be advantageous when the center chassis (38) comprises an absorbent core (62) , in that elasticity in the front and/or back area may cause bunching of the absorbent composite or any of the layers in the absorbent core (62) and interfere with close fit of the center chassis (38) to the wearer. This may be advantageous in preventing leakage.
  • At least one elastic body (96) overlapping with the distal vicinity of the absorbent core (62) may be disposed in active elasticity so that the gap appearance between the absorbent material non-existing region (61) and the absorbent core (62) is alleviated.
  • the outer cover layer (42) may extend only partly in the longitudinal direction of the front waist panel (52) and/or the back waist panel (54) to leave the distal parts (40F, 40B) of the front waist panel (52) and the back waist panel (54) free of the outer cover layer (42) .
  • the longitudinal length of the outer cover layer (42) may be longer than the longitudinal length of the crotch panel (56) and shorter than the longitudinal length of the backsheet (60) .
  • the distal parts of the front waist panel (52) and the back waist panel (54) are devoid of the outer cover layer (42) , providing better breathability to the overall article. Further, this may provide cost saving of the outer cover layer (42) material.
  • the article of the present invention comprises a first belt (85) which may be the front belt or the back belt, wherein the first belt (85) comprises a detachable area (330) which may be configured to form the disposal wrapping means. While most wearable articles on the market which are equipped with a disposal tape have it disposed on the back side of the article, the present invention is not necessarily limited to having the disposal wrapping means on the back belt. Accordingly, the second belt of the present invention, which is the other side of the first belt (85) , may be devoid of a disposal wrapping means.
  • the waist panel of the center chassis attached to the first belt (85) is the first waist panel (55) .
  • the article By opening the detachable area (330) by the detaching means to provide a disposal pocket (331) , the article is provided in a ready-to-wrap state, as in Figures 3B, 4B, and 5B.
  • the volume of the article may be tucked into the reversed disposal pocket.
  • the entire article By such tucking in, the entire article may be wrapped around itself to substantially close any openings of the article as in Figure 3E, such that bodily exudate may be kept from leaking outside the wrapped article.
  • Specific configurations and flipping steps to effect such wrapping and closing will be discussed in further detail below.
  • the present invention enables providing a disposal wrapping means for a pant article without the need to attach a discrete disposal tape, which disposal tape may be costly and not harmonizing well with the article due to the plastic aesthetic and tactile sense.
  • the article of the present invention may be a belt-type pant comprising a detachable area (330) positioned along the proximal edge of the first belt (85) where the first belt (85) is joined to the first waist panel (55) , wherein the detachable area (330) comprises a detaching means to provide a disposal pocket (331) .
  • disposal pocket (331) herein is a 3-dimensional spacing between materials constructing the article, which disposal pocket (331) accommodates inserting hands and/or fingers for enabling the disposal wrapping procedures for the article after use.
  • the detaching means may be one or more configurations and/or indicia for detaching the first belt (85) from the first waist panel (55) in the detachable area (330) .
  • the detaching means may enable opening the detachable area (330) with an Opening Force of no more than about 3N, or no more than about 2N according to measurements herein, such that the opening may be made without excess effort.
  • the resulting disposal pocket (331) may have a longitudinal dimension of at least about 30mm, or from about 30mm to about 100mm, or from about 60mm to about 100mm, and a transverse dimension of from about 60mm to not more than the transverse dimension of the backsheet, or from about 100mm to not more than the transverse dimension of the backsheet.
  • the planar dimension of the detachable area (330) more or less matches that of the disposal pocket (331) , and may be at least about 1800mm 2 or from about 1800mm 2 to about 10000mm 2 .
  • the disposal pocket (331) may be defined by the garment facing surface of the first waist panel (55) , the body facing surface of the first belt (85) , the opening of the disposal pocket (331) matching a portion of the proximal edge of the first belt (85) , the distal edge, and the left and right transvese edges.
  • the left and right transverse edges of the disposal pocket (331) are within the transverse dimension of the backsheet overlapping the disposal pocket (331) in the thickness direction.
  • the detaching means may comprise a low adhesion zone (332) .
  • the low adhesion zone (332) may be provided with weaker or less amount of adhesive for joining the first belt (85) and the first waist panel (55) compared to the remaining joining areas.
  • the periphery of the detachable area (330) may be provided as a reinforcement zone (334) which may be treated with stronger adhesive or permanent attaching means so that the disposal pocket (331) is prevented from being overly expanded to become disfunctional, or from extending into the area beyond the transverse edges of the backsheet.
  • the detachable means may comprise a no adhesion zone (333) at least at the proximal edge of the detachable area (330) for aesthetically and tactically signaling the start of the detaching procedure.
  • the no adhesion zone (333) may have a longitudinal dimension of from about 3mm to about 20mm, or from about 3mm to about 10mm from the proximal edge of the detachable area (330) .
  • the remainder of the detachable area (330) may be the low adhesion zone (332) .
  • the detaching means may comprise an illustrative instruction (335) for creating and utilizing the disposal pocket (331) , the illustrative instruction (335) provided in the area at least partially overlapping the detachable area (330) in the thickness direction, and being visible from the garment facing side of the first belt (85) .
  • the illustrative instruction (335) may be a color or pattern difference from the remainder of the first belt (85) .
  • the detaching means may further comprise a detaching strip (336) permanently attached at the proximal edge of the detachable area (330) .
  • the detaching strip (336) may also aesthetically and tactically signal the start of the detaching procedure.
  • the detaching strip (336) may be positioned approximately at the longitudinal center line L1 and over a small transverse and longitudinal dimension.
  • the detaching strip (336) may be made by plastic, or a nonwoven material, or non-stretchable nonwoven material, and have a basis weight of at least about 20gsm. Examples of nonwoven materials suitable for the detaching strip (336) include SMS or spunbond polyolefin fibers.
  • the detaching strip (336) may bridge the first belt (85) and the crotch panel (56) of the center chassis (38) , wherein the distal edge of the detaching strip (336) is permanently attached to the first belt (85) , and the proximal edge of the detaching strip (336) remains free of attachment to any part of the article, thus serving as a tab portion (338) for the user to pinch for starting the detaching means.
  • the detaching strip (336) may comprise a fold (340) on the proximal edge of the the detaching strip (336) , wherein one side of the detaching strip (336) is permanently attached to the first belt (85) and the other side of the detaching strip (336) is attached to itself by the refastenable means (337) .
  • the refastenable means (337) may be used to securely close the article after the article is provided in a wrapped state as in Figure 3E.
  • the detaching strip (336) may further comprise a tab portion (338) at the edge of the detaching strip (336) , wherein the tab portion (338) is free of refastenable means (337) , wherein the tab portion (338) is adjacent refastenable means (337) and having a longitudinal dimension of from about 5mm to about 20mm.
  • the tab portion (336) may be provided in color for easy identification.
  • the refastenable means (337) may provide a Peeling Force of from about 0.5N to about 3N, according to the measurements herein.
  • the detaching strip (336) may comprise an indicia selected from the group consisting of: a mark distinguishing front and back, a mark distinguishing boy/girl, a size indicator, and combinations thereof.
  • the indicia may be coordinated with the illustrative instruction (335) .
  • the article of the present invention may have the first belt (85) formed by a laminate comprising a plurality of elastic bodies (96) running in the transverse direction, an inner sheet, and an outer sheet.
  • the first belt (85) may be partially actively elasticized in the area overlapping the detachable area (330) in the thickness direction. By imparting elasticity on the first belt (85) defining the disposal pocket (331) , this may help smooth disposal wrapping procedure, and may also help keeping bodily exudate from leaking outside the wrapped article.
  • the actively elasticized area may overlap the left and right transverse edges of the detachable area (330) (now shown) .
  • Such transverse overlap region may be from about 10%to about 100%of the transverse dimension of the detachable area (330) .
  • the first belt (85) overlapping the detachable area (330) may comprise a guiding elastic body (96G) toward the proximal edge of the first belt (85) , the guiding elastic body (96G) being actively elastic along the entire transverse dimension of the first belt (85) .
  • the guiding elastic body (96G) may be one elastic body, or a pair of elastic bodies, or all of the elastic bodies of the first belt (85) overlapping the detachable area (330) .
  • the guiding elastic body (96G) may be one elastic body, or a pair of elastic bodies disposed at a position from about 3mm to about 10mm from the proximal edge of the detachable area (330) .
  • the disposal wrapping procedure of the present invention may be conducted as such.
  • the detachable area (330) is opened to provide a disposal pocket (331) by inserting hands and/or fingers.
  • Figure 3B shows the opened disposal pocket (331) in the ready-to-wrap state.
  • the freed portion of the first belt (85F) defining the disposal pocket (331) may be reversed as in Figure 3D.
  • the remainder volume of the article is tucked inside the reversed disposal pocket.
  • the waist opening and leg openings are also tucked into the reversed disposal pocket (334) as in Figure 3E.
  • the freed portion of the first belt (85F) defining the disposal pocket (331) is actively elasticized that it may accommodate the volume of the crotch panel, and further press against the crotch panel to maintain the tucked configuration.
  • Figure 3E shows such finally tucked configuration wherein A) the body facing surface of the first belt (85) defining the disposal pocket (331) and B) the garment facing surface of the first waist panel (55) defining the disposal pocket (331) ; account for a majority of the outside surface of the tucked configuration. Namely, the entire article may be wrapped around itself to securely close any openings of the article, such that bodily exudate may be kept from leaking outside the wrapped article.
  • the final configuration of the obtained sanitary waste may take the form of a pouch.
  • the article of the present invention may comprise a center chassis (38) having an absorbent core (62) which is substantially cellulose free.
  • a center chassis (38) having an absorbent core (62) which is substantially cellulose free By providing the absorbent core (62) substantially cellulose free, the overall volume of the center chassis may be kept relatively small, such that the above mentioned wrapping is facilitated.
  • the article of the present invention may be a belt-type pant comprising a detachable area (330) positioned away from the proximal edge of the first belt (85) .
  • the detaching means for providing the disposal pocket (331) is initiated by opening a line of weakness (852) along the proximal edge of the detachable area to provide a horizontal slit (339) , as in Figure 4B. Once the horizontal slit (339) is created, the disposal pocket (331) may be made following the detaching means as described above for Figure 3A.
  • the disposal wrapping procedures are the same as described above in Figures 3B –3E.
  • the distance between the proximal edge of the first belt (85) and the proximal edge of the detachable area (330) may be provided as a reinforcement zone (334) such that the attachment of this region between the first belt (85) and center chassis (62) remains intact through the detaching process. By providing a reinforcement zone (334) in this region, this may prevent premature opening of the disposal pocket (331) .
  • the reinforcement zone (334) positioned between the proximal edge of the first belt (85) and the proximal edge of the detachable area (330) may have a longitudinal dimension of from about 1mm to about 15mm.
  • the line of weakness (852) may have a transverse dimension of not more than the transverse dimension of the backsheet.
  • the other detaching means and dimensions for the disposal pocket (331) of the embodiment of Figure 4A are the same as what was described for the embodiment of Figure 3A above.
  • the article of the present invention may be a one-piece type pant comprising a detachable area (330) positioned along the proximal edge of the first belt (85) and extending distally towards the waist opening, wherein the detachable area (330) comprises a detaching means to provide a disposal pocket (331) by opening the detachable area (330) .
  • the one-piece type pant of the present invention has the garment facing surface of the center chassis, first belt (85) and the second belt continuously covered by an outer cover layer, wherein the detaching means may comprise a line of weakness (852) provided on the first belt (85) in a position toward the proximal edge of the detachable area (330) .
  • a horizontal slit (339) is created, as in Figure 5B.
  • the disposal pocket (331) may be made following the detaching means as described above for Figure 3A.
  • the disposal wrapping procedures are the same as described above in Figures 3B –3E.
  • the proximal side of the line of weakness (852) may be provided with a reinforcement zone (334) which may be treated with stronger adhesive or permanent attaching means.
  • the reinforcement zone (334) may have a longitudinal dimension of from about 1mm to about 15mm. This ensures that the disposal pocket (331) is not expanded into the crotch panel.
  • Expanding the disposal pocket (331) into the crotch panel is disadvantageous in that such may overly expand the disposal pocket (331) into an area that may not be actively elasticized, thus leading to disfunction of the disposal wrapping procedure.
  • the reinforcement zone (334) may be provided along the entire periphery of the detachable area (330) .
  • the line of weakness (852) may have a transverse dimension of not more than the transverse dimension of the backsheet.
  • the approximate transverse center of the detachable area, together with the center chassis to which is attached, is cut out using a precision cutter to make a specimen having a dimension of 25.4mm in the transverse direction and 60mm in the longitudinal direction.
  • the detaching strip together with the substrate to which is attached, is cut out using scissors.
  • Specimen are obtained from five (5) finished wearable articles from the same area of each article for each set of measurement. Specimen are pre-conditioned in a room maintained at 23 ⁇ 2 °C and 50 ⁇ 5 %relative humidity, for at least 2 hours prior to testing. All testing is performed in a room maintained at 23 ⁇ 2 °C and 50 ⁇ 5 %relative humidity.
  • MTS Criterion C42 running TestWorks 4 Software with standard tensiometer jaw or equivalent is used as equipment.
  • the detachable area specimen is used.
  • gauge length 20mm. With the flat grip faces, gauge length should be calculated from the bottom of the top grip face to the top of the bottom grip face.
  • MTS Criterion C42 running TestWorks 4 Software with standard tensiometer jaw or equivalent is used as equipment.
  • the strip specimen with closed refastenable means is used.
  • the peak force (N) is the Peeling Force.

Landscapes

  • 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)
PCT/CN2018/108576 2018-09-29 2018-09-29 Wearable article having disposal wrapping means WO2020062132A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2018/108576 WO2020062132A1 (en) 2018-09-29 2018-09-29 Wearable article having disposal wrapping means
CN201910890917.6A CN110960359B (zh) 2018-09-29 2019-09-20 具有处置包裹部件的可穿着制品

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/108576 WO2020062132A1 (en) 2018-09-29 2018-09-29 Wearable article having disposal wrapping means

Publications (1)

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WO2020062132A1 true WO2020062132A1 (en) 2020-04-02

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WO (1) WO2020062132A1 (zh)

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