JP2013000196A - Sheet stack - Google Patents

Sheet stack Download PDF

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Publication number
JP2013000196A
JP2013000196A JP2011131707A JP2011131707A JP2013000196A JP 2013000196 A JP2013000196 A JP 2013000196A JP 2011131707 A JP2011131707 A JP 2011131707A JP 2011131707 A JP2011131707 A JP 2011131707A JP 2013000196 A JP2013000196 A JP 2013000196A
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Prior art keywords
sheet
region
length
folded
fold
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JP2011131707A
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JP5926004B2 (en
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Takahiro Ueda
隆宏 植田
Kenji Bando
健司 坂東
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Unicharm Corp
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Unicharm Corp
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Priority to JP2011131707A priority Critical patent/JP5926004B2/en
Priority to PCT/JP2012/064971 priority patent/WO2012173103A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/08—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession
    • B65D83/0894—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession the articles being positioned relative to one another or to the container in a special way, e.g. for facilitating dispensing, without additional support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5894—Preformed openings provided in a wall portion and covered by a separate removable flexible element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/02—Folding limp material without application of pressure to define or form crease lines
    • B65H45/04—Folding sheets
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A47K10/42—Dispensers for paper towels or toilet-paper dispensing from a store of single sheets, e.g. stacked
    • A47K2010/428—Details of the folds or interfolds of the sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1924—Napkins or tissues, e.g. dressings, toweling, serviettes, kitchen paper and compresses

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sanitary Thin Papers (AREA)
  • Packages (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a sheet stack that can suppress the breaking of a sheet when taking it out of a package.SOLUTION: The sheet stack 1 includes sheets 10 impregnated with a predetermined chemical in a stacked state inside the package 20, and is so structured that the sheets 10 can be taken out via an opening 21 formed in the package 20. The sheets 10 are folded up with a first fold line F11 along a first direction L as a base line, and then folded up with a second fold line F21 as a base line. The sheets 10 folded up with the second fold line F21 as a base line have a first area 41 with the second fold line as a boundary and a second area 42 located closer to the opening than the first area. The length L42 in the first direction of the second area 42 is shorter than the length L41 in the first direction of the first area.

Description

本発明は、シート積層体に関し、特に、所定薬液を含浸させたシートを積層した状態で包装体に収容したシート積層体に関する。   The present invention relates to a sheet laminate, and more particularly to a sheet laminate accommodated in a package in a state where sheets impregnated with a predetermined chemical solution are laminated.

シート積層体は、所定薬液を含浸させたシートを積層した状態で包装体に収容し、包装体に形成された開口部を介してシートが取り出されるように構成されている。このようなシート積層体において、例えば、開口部に近い上層のシートを包装体から取り出す場合には、開口部から離れた下層のシートを取り出す場合と比較して、上層のシートと開口部との間における空間が狭いため、取り出す際の抵抗が大きくなり易い。この抵抗力に対抗してシートを引っ張ると、シートが破断するおそれがある。   The sheet laminate is configured such that sheets impregnated with a predetermined chemical solution are stacked and accommodated in a package, and the sheet is taken out through an opening formed in the package. In such a sheet laminate, for example, when an upper sheet close to the opening is taken out of the package, the upper sheet and the opening are compared with a case where a lower sheet separated from the opening is taken out. Since the space between them is narrow, the resistance at the time of taking out tends to increase. If the sheet is pulled against the resistance, the sheet may be broken.

このような問題に鑑みて、複数のシートが積層されたシート積層体において、上層のシートの幅を下層のシートの幅よりも狭くなるように折り畳んだシート積層体が提案されている（例えば、特許文献１参照）。   In view of such a problem, in a sheet laminate in which a plurality of sheets are laminated, there has been proposed a sheet laminate that is folded so that the width of the upper sheet is narrower than the width of the lower sheet (for example, Patent Document 1).

特開２００２−１０２１０６号公報（図３等）JP 2002-102106 A (FIG. 3 etc.)

しかし、上述のシート積層体には、以下の問題点があった。   However, the above-described sheet laminate has the following problems.

シートは、持ち運びを容易にするために、例えば、一方向に沿った第１折り目を基点に折り畳んだ後、一方向と直交する第２折り目を基点に半分に折り畳まれている。このように折り畳まれたシートは、積層された状態で包装体に収容されている。包装体は、一般的に変形し易い柔軟な材質によって構成されており、搬送時の外力等によって変形することがある。特に、シートの端面は、外力によって変形し易く、厚み方向において積層されたシートが共に変形することがある。   In order to make the sheet easy to carry, for example, after folding a first fold along one direction at a base point, the sheet is folded in half around a second fold perpendicular to the one direction. The sheets folded in this way are accommodated in the package in a stacked state. The package is generally made of a flexible material that is easily deformed, and may be deformed by an external force or the like during conveyance. In particular, the end face of the sheet is easily deformed by an external force, and the sheets stacked in the thickness direction may be deformed together.

例えば、第２折り目を基点に折り畳まれた状態において、シートの対向する一対の両端面が変形すると、シートの両端面の移動が規制される。このようにシートの両端面の移動が規制されると、半分に折り畳まれた状態で上側に位置する部分を指等で摘んで引っ張った際に下側に位置する部分が追従して移動し難く、シートが破断するおそれがある。   For example, in a state where the second fold is folded at the base point, if the pair of opposite end surfaces of the sheet are deformed, the movement of the both end surfaces of the sheet is restricted. When the movement of the both end faces of the sheet is restricted in this way, when the portion located on the upper side is folded in half and pulled with a finger or the like, the portion located on the lower side is less likely to follow and move. The sheet may be broken.

本発明は、上述の課題に鑑みてなされたものであり、包装体から取り出す際におけるシートの破断を抑制することができるシート積層体を提供することを目的とする。   This invention is made | formed in view of the above-mentioned subject, and it aims at providing the sheet | seat laminated body which can suppress the fracture | rupture of the sheet | seat at the time of taking out from a package.

上述した課題を解決するため、本発明に係るシート積層体（シート積層体１）は、所定薬液を含浸させたシート（シート１０）を積層した状態で包装体（包装体２０）の内部に収容し、前記包装体に形成された開口部（開口部２１）を介して前記シートが取り出されるように構成されたシート積層体であって、前記シートは、第１方向（長手方向Ｌ）に沿った第１折り目（第１長手折り目〜第４長手折り目Ｆ１１〜Ｆ１４）を基点に折り畳まれた後、前記第１方向と直交する第２折り目（幅折り目Ｆ２１）を基点に折り畳まれ、前記第２折り目を基点に折り畳まれた状態では、前記第２折り目を境界とした一方の領域となる第１領域（第１領域４１）よりも前記開口部側に、前記第２折り目を境界とした他方の領域である第２領域（第２領域４２）が配置されており、前記第２折り目を基点に折り畳まれた状態において、前記シートの前記第２領域の前記第１方向における長さ（長さＬ４２）は、前記シートの前記第１領域の前記第１方向における長さ（長さＬ４１）よりも短いことを要旨とする。   In order to solve the above-described problems, a sheet laminate (sheet laminate 1) according to the present invention is accommodated in a package (packaging body 20) in a state where sheets (sheet 10) impregnated with a predetermined chemical solution are laminated. The sheet stack is configured such that the sheet is taken out through an opening (opening 21) formed in the packaging body, and the sheet extends along a first direction (longitudinal direction L). The first fold line (first longitudinal fold line to fourth longitudinal fold line line F11 to F14) is folded, and then the second fold line (width fold line F21) orthogonal to the first direction is folded to the base point. In a state in which the fold is folded at the base point, the other side with the second fold as a boundary is closer to the opening side than the first region (first region 41) as one region with the second fold as a boundary. The second region (second region) 2) and the length of the second region of the sheet in the first direction (length L42) is the first region of the sheet in the state where the second fold is folded at the base point. This is summarized as being shorter than the length in the first direction (length L41).

本発明に係るシート積層体は、シートが折り畳まれた状態で開口部側（上側）に位置する第２領域の第１方向における長さが、第２領域よりも下側に位置する第１領域の第１方向における長さよりも短い。よって、第２方向に沿って折り畳まれた状態で、第２方向に沿ったシートの両端部のうち第２領域の端部をシートの外端部よりも内側に配置することができる。例えば、積層されたシートが包装体に収容された状態で、包装体の外側から変形して、シートの端部が厚み方向に変形した場合であっても、第２領域の第２方向に沿った端部を引き上げ易くなる。よって、第２領域を引っ張った際に第１領域を追従させて引っ張ることができ、シートの取り出し時における破断を抑制することができる。   In the sheet laminate according to the present invention, the first region in which the length in the first direction of the second region located on the opening side (upper side) in a state where the sheet is folded is located below the second region. Shorter than the length in the first direction. Therefore, in a state where the sheet is folded along the second direction, the end portion of the second region among the both end portions of the sheet along the second direction can be disposed inside the outer end portion of the sheet. For example, even when the stacked sheets are accommodated in the packaging body and deformed from the outside of the packaging body and the end portion of the sheet is deformed in the thickness direction, the second region is in the second direction. It is easy to pull up the end. Therefore, when the second region is pulled, the first region can be followed and pulled, and breakage at the time of taking out the sheet can be suppressed.

実施形態に係るシート積層体の斜視図である。It is a perspective view of the sheet laminated body concerning an embodiment. 図１に示すシート積層体の包装構造を示す説明図である。It is explanatory drawing which shows the packaging structure of the sheet | seat laminated body shown in FIG. 図１に示すシート積層体において、シートが取り出される様子を示す模式断面図である。FIG. 2 is a schematic cross-sectional view showing how a sheet is taken out from the sheet laminate shown in FIG. 1. 変形例に係るシートの斜視図である。It is a perspective view of the sheet | seat which concerns on a modification.

図１乃至図３を参照して、本発明の実施形態に係るシート積層体について説明する。図１及び図２は、シート積層体の斜視図であり、図３は、シート積層体のシートを包装体から取り出す状態を示す図である。   With reference to FIG. 1 thru | or FIG. 3, the sheet | seat laminated body which concerns on embodiment of this invention is demonstrated. 1 and 2 are perspective views of the sheet laminate, and FIG. 3 is a diagram illustrating a state in which the sheets of the sheet laminate are taken out from the package.

シート積層体１は、所定薬液を含浸させたシート１０と、このシート１０を収容する包装体２０と、を有する。シート１０は、厚み方向に積層された第１シートから第５シート１０Ａ〜１０Ｅを有する。   The sheet laminate 1 includes a sheet 10 impregnated with a predetermined chemical solution and a package 20 that accommodates the sheet 10. The sheet 10 includes first to fifth sheets 10A to 10E that are stacked in the thickness direction.

包装体２０には、図１に示す上面２０ａに形成された開口部２１が形成されており、包装体２０の上面２０ａには、開口部２１を覆うラベル部材２２が付されている。ラベル部材２２の長手方向における一端部２２ａは、包装体の上面２０ａに接合され、他端部２２ｂは、包装体２０に対して着脱自在に構成されている。ラベル部材２２は、開口部２１の周囲に粘着材を介して接着されている。使用者は、他端部２２ｂの先端を指等で摘んで引っ張ることにより、開口部２１を開閉できる。   An opening 21 formed in the upper surface 20a shown in FIG. 1 is formed in the package 20, and a label member 22 that covers the opening 21 is attached to the upper surface 20a of the package 20. One end 22 a in the longitudinal direction of the label member 22 is joined to the upper surface 20 a of the package, and the other end 22 b is configured to be detachable from the package 20. The label member 22 is bonded to the periphery of the opening 21 via an adhesive material. The user can open and close the opening 21 by grasping and pulling the tip of the other end 22b with a finger or the like.

シート１０は、図１〜図３に示すように折り畳まれた状態で複数積層されて、包装体２０の内部に収容されている。シート１０は、シート積層体の長手方向に沿った第１長手折り目〜第４長手折り目（第１折り目）Ｆ１１〜Ｆ１４を基点に複数回折り畳まれた後、長手方向Ｌと直交する幅方向Ｗに沿った幅折り目（第２折り目）Ｆ２１を基点に折り畳まれる。   A plurality of sheets 10 are stacked in a folded state as shown in FIGS. 1 to 3, and are accommodated in the package 20. The sheet 10 is folded a plurality of times from the first longitudinal fold line to the fourth longitudinal fold line (first fold line) F11 to F14 along the longitudinal direction of the sheet laminate, and then in the width direction W orthogonal to the longitudinal direction L. Folding is performed with the width fold line (second fold line) F21 along the base point.

シート１０は、第１長手折り目Ｆ１１において領域３１Ａと領域３２Ａとが折り重ねられ、第２長手折り目Ｆ１２において領域３２Ａと領域３３Ａとが折り重ねられ、第３長手折り目Ｆ１３において領域３３Ａと領域３４Ａとが折り重ねられ、第４長手折り目Ｆ１４において領域３４Ａと領域３５Ａとが折り重ねられている。   In the sheet 10, the region 31A and the region 32A are folded at the first longitudinal fold F11, the region 32A and the region 33A are folded at the second longitudinal fold F12, and the region 33A and the region 34A are folded at the third longitudinal fold F13. Are folded, and the region 34A and the region 35A are folded at the fourth longitudinal fold F14.

シート１０は、幅折り目Ｆ２１を基点として、長手方向Ｌにおいて２つに折り畳まれる。シート１０は、幅折り目Ｆ２１を基点に折り畳まれた状態（図１に示す状態）では、幅折り目Ｆ２１が境界となって区画された第１領域４１と第２領域４２とを有する。第２領域４２は、第１領域４１よりも開口部２１側（図１に示す上側）に配置されている。換言すると、第１領域４１は、第２領域４２よりも開口部２１から離間する側（図１に示す下側）に配置されている。   The sheet 10 is folded in two in the longitudinal direction L with the width fold F21 as a base point. The sheet 10 includes a first region 41 and a second region 42 which are partitioned with the width fold F21 as a boundary in a state where the sheet 10 is folded with the width fold F21 as a base point (the state illustrated in FIG. 1). The second region 42 is arranged on the opening 21 side (upper side shown in FIG. 1) than the first region 41. In other words, the first area 41 is disposed on the side farther from the opening 21 than the second area 42 (lower side shown in FIG. 1).

幅折り目Ｆ２１において折り畳まれた状態で、第２領域４２の長手方向Ｌの長さＬ４２は、第１領域４１の長手方向Ｌの長さＬ４１よりも短い。このように、第１領域４１の長さＬ４１と第２領域４２の長さＬ４２が異なることにより、開口部２１を介してシート１０を取り出す際に、シートの破断を抑制することができる。   The length L42 in the longitudinal direction L of the second region 42 is shorter than the length L41 in the longitudinal direction L of the first region 41 in a state of being folded at the width fold line F21. As described above, when the length L41 of the first region 41 and the length L42 of the second region 42 are different, breakage of the sheet can be suppressed when the sheet 10 is taken out through the opening 21.

具体的には、図３に示すように、シート１０は、厚み方向において複数積層されて包装体２０に収容されている。包装体２０は、一般的に変形し易い柔軟な材質によって構成されており、搬送時の外力等によって変形することがある。特に、シートの端面は、外力によって変形し易く、図３（ａ）に示すように、厚み方向において積層されたシートの端面が共に変形することがある。   Specifically, as shown in FIG. 3, a plurality of sheets 10 are stacked in the thickness direction and accommodated in the package 20. The package 20 is generally made of a flexible material that is easily deformed, and may be deformed by an external force or the like during conveyance. In particular, the end surfaces of the sheets are easily deformed by an external force, and the end surfaces of the sheets stacked in the thickness direction may be deformed together as shown in FIG.

例えば、図３（ａ）に示すように、幅折り目Ｆ２１を基点に折り畳まれた状態において、シート１０の対向する一対の両端面が変形すると、シートの両端面が包装体の内面に当接して、シートの両端面の移動が規制される。このとき、例えば、第１領域と第２領域の長さが同じ長さであり、第１領域及び第２領域の両端面が厚み方向において共に変形していると、上側に位置する第２領域を指等で摘んで引っ張った場合であっても第１領域が追従して移動しないことがある。よって、第２領域を引っ張る際の抵抗が大きくなり、シートが破断してしまうおそれがある。   For example, as shown in FIG. 3A, when the pair of opposite end surfaces of the sheet 10 are deformed in a state where the sheet is folded with the width fold line F21 as a base point, both end surfaces of the sheet come into contact with the inner surface of the package. The movement of both end faces of the sheet is restricted. At this time, for example, when the first region and the second region have the same length, and both end faces of the first region and the second region are deformed in the thickness direction, the second region located on the upper side Even if the finger is picked and pulled by a finger or the like, the first region may not follow and move. Therefore, the resistance when pulling the second region increases, and the sheet may be broken.

しかし、図３（ａ）に示すように、幅折り目Ｆ２１を基点に折り畳まれた状態で第２領域４２の長さＬ４２が第１領域４１の長さＬ４１よりも短い場合には、上層に位置する第２領域４２を指等で摘んで引っ張った際に、第２領域４２の少なくとも一端の移動は規制されないため、第２領域４２に追従して第１領域４１が移動し易くなる。よって、第２領域４２を引っ張った際に、シート全体を円滑に引き出すことができ、シート１０の破断を抑制することができる。   However, as shown in FIG. 3 (a), when the length L42 of the second region 42 is shorter than the length L41 of the first region 41 in a state of being folded with the width fold F21 as the base point, the upper region is positioned. Since the movement of at least one end of the second area 42 is not restricted when the second area 42 to be pulled is picked and pulled with a finger or the like, the first area 41 easily moves following the second area 42. Therefore, when the second region 42 is pulled, the entire sheet can be pulled out smoothly, and breakage of the sheet 10 can be suppressed.

なお、長手方向Ｌにおける第１領域４１の長さＬ４１と第２領域４２の長さＬ４２の差Ｄ１（幅折り目Ｆ２１を基点に折り畳まれた状態におけるシート１０の長手方向における一方の端部１３と他方の端部１４との長手方向における距離）は、例えば、５ｍｍ以上とすることができる。   Note that the difference D1 between the length L41 of the first region 41 and the length L42 of the second region 42 in the longitudinal direction L (the one end portion 13 in the longitudinal direction of the sheet 10 in the folded state with the width fold F21 as a base point) The distance in the longitudinal direction with respect to the other end portion 14) can be, for example, 5 mm or more.

厚み方向Ｔにおいて重なるシート１０は、シート積層体を製造する過程や搬送する過程において、長手方向Ｌの位置がずれることがある。例えば、図３に示すシート１０Ｃの長手方向における端部１５Ｃと、シート１０Ｃよりも開口部側に位置するシート１０Ｂの長手方向における端部１５Ｂとは、長手方向Ｌにおいてずれて配置されている。シート同士の位置ずれの長さＤ２が、各シートの第１領域４１と第２領域４２の長さの差Ｄ１よりも大きい場合には、折り畳まれた状態において、シート１０の両端面が包装体２０に当接して、移動が規制されてしまうおそれがある。よって、長手方向Ｌにおける第１領域４１と第２領域４２の長さの差Ｄ１は、シート１０の位置ずれ長さＤ２よりも長いことが望ましい。なお、シート１０の位置ずれ長さは、製造方法等によって異なるが、一般的に５ｍｍ以下である。よって、長手方向Ｌにおける第１領域４１と第２領域４２の長さの差Ｄ１は、５ｍｍ以上とすることができる。   The sheets 10 that overlap in the thickness direction T may be displaced in the longitudinal direction L in the process of manufacturing and conveying the sheet laminate. For example, the end 15C in the longitudinal direction of the sheet 10C shown in FIG. 3 and the end 15B in the longitudinal direction of the sheet 10B located on the opening side of the sheet 10C are shifted in the longitudinal direction L. When the length D2 of the positional deviation between the sheets is larger than the difference D1 between the lengths of the first region 41 and the second region 42 of each sheet, both end surfaces of the sheet 10 are packaged in the folded state. There is a possibility that the movement is restricted due to contact with the contact 20. Therefore, the length difference D1 between the first region 41 and the second region 42 in the longitudinal direction L is preferably longer than the positional deviation length D2 of the sheet 10. In addition, although the position shift length of the sheet | seat 10 changes with manufacturing methods etc., it is generally 5 mm or less. Therefore, the length difference D1 between the first region 41 and the second region 42 in the longitudinal direction L can be set to 5 mm or more.

シートの含浸率は、２００％〜４００％であることが望ましい。シートに対する所定薬液の含浸率を増加させると、シート同士が所定薬液の水膜によって連結し、容器や積層体を包装する包装体から１枚ずつシートを取り出すことが困難になることがある。しかし、本実施の形態に係るシート積層体によれば、シート同士が水膜によって連結した場合であっても、第２領域を引っ張ることにより、シート全体を容易に取り出すことが可能となる。なお、含浸率は、含浸させる所定薬液の重量のシートの重量に対する比率であり、適宜、調整することが可能である。   The impregnation ratio of the sheet is desirably 200% to 400%. When the impregnation rate of the predetermined chemical liquid with respect to the sheet is increased, the sheets are connected by a water film of the predetermined chemical liquid, and it may be difficult to take out the sheets one by one from the packaging body that wraps the container or the laminate. However, according to the sheet laminated body concerning this Embodiment, even if it is a case where sheets are connected with a water film, it becomes possible to take out the whole sheet easily by pulling the 2nd field. The impregnation rate is a ratio of the weight of the predetermined chemical liquid to be impregnated to the weight of the sheet, and can be appropriately adjusted.

また、シートの湿潤時の破断強度は、２５ｍｍ幅当り４．９Ｎ以下であることが望ましい。本実施の形態に係るシート積層体であれば、比較的破断強度の低いシート（２５ｍｍ幅当り４．９Ｎ以下のシート）であっても、破断を防止しつつ適宜引き出すことができる。   The breaking strength when the sheet is wet is preferably 4.9 N or less per 25 mm width. With the sheet laminate according to the present embodiment, even a sheet having a relatively low breaking strength (a sheet of 4.9 N or less per 25 mm width) can be pulled out as appropriate while preventing breakage.

なお、破断強度は、幅２５ｍｍ長さ１５０ｍｍのシート片に、その重量の２．５倍の水分を含浸させ、テンシロン試験機によりチャック間距離１００ｍｍで保持し、チャック間に１００ｍｍ／ｍｉｎの速度を与えて引張り試験したときの破断時の引張り荷重である。   The breaking strength was determined by impregnating a sheet piece having a width of 25 mm and a length of 150 mm with water of 2.5 times its weight and holding it at a distance of 100 mm between chucks by a Tensilon tester. It is the tensile load at the time of break when given and subjected to a tensile test.

実施の形態に係るシート積層体によれば、使用者は、包装体２０の開口部２１から、第２領域４２を摘んで引っ張ることによって、第２領域４２と共に第１領域４１を引っ張り、シートの破断を抑制しつつ、シート全体を取り出すことができる。   According to the sheet laminate of the embodiment, the user pulls the first region 41 together with the second region 42 by pulling and pulling the second region 42 from the opening 21 of the package 20. The entire sheet can be taken out while suppressing breakage.

次いで、図４に基づいて、変形例に係るシート積層体について説明する。図４は、変形例に係るシート積層体のシート１０を示している。シート１０は、実施の形態１に係るシートと折り畳み方法が異なる。   Then, based on FIG. 4, the sheet | seat laminated body which concerns on a modification is demonstrated. FIG. 4 shows a sheet 10 of a sheet laminate according to a modification. The sheet 10 is different in folding method from the sheet according to the first embodiment.

シート１０は、長手方向に沿った長手折り目Ｆ１１を基点にして２つに折り畳まれる。その後、幅方向Ｗに沿った第１幅折り目Ｆ２１を基点として折り畳まれた後、幅方向Ｗに沿った第２幅折り目Ｆ２２を基点として開口部２１側に折り畳まれる。すなわち、変形例に係るシートの幅折り目は、第１幅折り目Ｆ２１と第２幅折り目Ｆ２２とを有する。シートは、幅方向に沿った幅折り目を基点に３つに折り畳まれる。   The sheet 10 is folded in two based on a longitudinal fold F11 along the longitudinal direction. Then, after being folded with the first width fold F21 along the width direction W as a base point, the sheet is folded toward the opening 21 with the second width fold F22 along the width direction W as a base point. In other words, the width fold of the sheet according to the modification has a first width fold F21 and a second width fold F22. The sheet is folded into three based on the width fold along the width direction.

変形例に係るシート１０は、第１幅折り目Ｆ２１を境界とした第１領域４１と第２領域４２とを備えている。第２領域４２は、第２幅折り目Ｆ２２を基点として折り畳まれた状態においては、第２幅折り目Ｆ２２を基点に半分に折り畳まれている。第２幅折り目Ｆ２２を基点として折り畳まれた状態において、第２領域４２の長手方向における長さＬ４２は、第１領域４１の長手方向の長さＬ４１よりも短い。   The sheet 10 according to the modification includes a first region 41 and a second region 42 with the first width fold F21 as a boundary. In a state where the second region 42 is folded with the second width fold F22 as the base point, the second region 42 is folded in half with the second width fold F22 as the base point. The length L42 in the longitudinal direction of the second region 42 is shorter than the length L41 in the longitudinal direction of the first region 41 in a state where the second width fold F22 is folded as the base point.

変形例に係るシートによれば、最も上側（開口部側）に位置する領域が、下側に位置する領域よりも短いため、最も上側に位置する領域を指等で摘んで引っ張った際に、他の領域を追従して移動させ易くなる。よって、シートを包装体から取り出す際におけるシートの抵抗を比較的低くして、シートの破断を抑制することができる。   According to the sheet according to the modified example, the region located on the uppermost side (opening side) is shorter than the region located on the lower side, so when picking and pulling the region located on the uppermost side with a finger or the like, It becomes easy to move following other areas. Therefore, the resistance of the sheet when the sheet is taken out from the package can be made relatively low, and the sheet can be prevented from breaking.

実施例に係るシート積層体と比較例に係るシート積層体とを用いて、包装体からシートを取り出した際のシートの破断状態を試験して、折り畳み態様による破断抑制効果について評価した。なお、本発明はこれらにより限定されるものではない。   Using the sheet laminated body according to the example and the sheet laminated body according to the comparative example, the breaking state of the sheet when the sheet was taken out from the package was tested, and the breakage suppressing effect by the folding mode was evaluated. In addition, this invention is not limited by these.

＜実施例１＞
（試験方法）
１０人のモニターによって、実施例に係るシート積層体及び比較例に係るシート積層体からそれぞれシートを取り出し、取り出した際にシートが破断するか否かを試験した。なお、実施例に係るシート積層体と比較例に係るシート積層体とは、幅折り目を基点に折り畳んだ状態における長手方向の長さが異なるが、それ以外の構成は同じである。 <Example 1>
(Test method)
A sheet of 10 sheets was taken out from the sheet laminate according to the example and the sheet laminate according to the comparative example, and whether or not the sheet was broken when it was taken out was tested. In addition, the sheet laminated body which concerns on an Example, and the sheet laminated body which concerns on a comparative example differ in the length of the longitudinal direction in the state folded on the basis of the width fold, but the structure of other than that is the same.

（試験条件）
包装体の寸法：１５０ｍｍ×１００ｍｍ×２０ｍｍ
開口部の寸法：４０ｍｍ×１８ｍｍ
シートの材質：水解性
シート積層数：１２枚
薬剤の含浸率：３００％
実施例に係るシートの第１領域と第２領域の長さの差：１０ｍｍ
比較例に係るシートの第１領域と第２領域の長さの差：０ｍｍ
（評価結果）
評価結果を表１に示す。 (Test conditions)
Package dimensions: 150 mm x 100 mm x 20 mm
Opening size: 40mm x 18mm
Sheet material: Water decomposable Number of sheets stacked: 12 Drug impregnation rate: 300%
Difference in length between the first region and the second region of the sheet according to the example: 10 mm
Difference in length between the first region and the second region of the sheet according to the comparative example: 0 mm
(Evaluation results)
The evaluation results are shown in Table 1.

Figure 2013000196
Figure 2013000196

比較例に係るシート積層体は、取り出し時におけるシートの破断が発生しており、特に、１枚目や２枚目等、開口部側に位置するシートを取り出す際に破断が生じている。これは、開口部側に位置するシートは、開口部との距離が短く、開口部との間に設けられた空間が少ないことが要因と考えられる。具体的には、シートの第２領域を引っ張った際に、第２領域と包装体の上面との空間が小さく、第１領域が上面側に移動するスペースが少ない。よって、第２領域は、第１領域の表面に沿って移動し、シートに対する抵抗力が高くなる。抵抗力に対向して使用者が引っ張ると、シートが破断すると考えられる。   In the sheet laminate according to the comparative example, breakage of the sheet occurs at the time of taking out, and breakage particularly occurs when taking out the sheet located on the opening side such as the first sheet or the second sheet. This is considered to be due to the fact that the sheet located on the opening side has a short distance from the opening and there is little space provided between the sheet and the opening. Specifically, when the second region of the sheet is pulled, the space between the second region and the upper surface of the package is small, and there is little space for the first region to move to the upper surface side. Therefore, the second region moves along the surface of the first region, and the resistance to the sheet is increased. It is considered that the sheet breaks when the user pulls against the resistance force.

一方、シートを折り畳んだ状態で、上方に位置する第２領域の長手方向の長さを、第１領域の長手方向の長さよりも短くすることにより、取り出し時におけるシートの破断を効果的に抑制できることがわかった。   On the other hand, in a state where the sheet is folded, the longitudinal length of the second region positioned above is made shorter than the longitudinal length of the first region, thereby effectively suppressing the breakage of the sheet at the time of taking out. I knew it was possible.

＜実施例２＞
（試験方法）
開口部の異なる１０種類の包装体のそれぞれに、実施例に係るシートと比較例に係るシートとをそれぞれ１２枚積層した状態で包装体に収容した。包装体の開口部を介してシートを１枚ずつ計１２枚取り出し、包装体から取り出す際に破断したシートをカウントした。１２枚のシートの全てにおいて破断が生じなかった場合には、「○」と判定し、１枚破断した場合には、「△」と判定し、２枚以上破断した場合には、「×」と判定した。 <Example 2>
(Test method)
Each of 10 types of packaging bodies having different openings was accommodated in the packaging body in a state where 12 sheets according to the example and 12 sheets according to the comparative example were laminated. A total of 12 sheets were taken out one by one through the opening of the package, and the number of sheets that were broken when taking out from the package was counted. When all 12 sheets are not broken, it is determined as “◯”, when one sheet is broken, it is determined as “Δ”, and when two or more sheets are broken, “×” is determined. It was determined.

（試験条件）
包装体の開口部は、開口部の幅方向の長さを１８ｍｍとして、開口部の長手方向の長さを１０〜１００ｍｍまで１０ｍｍ間隔で設定した。 (Test conditions)
The length of the opening in the width direction of the opening was set to 18 mm, and the length in the longitudinal direction of the opening was set to 10 to 100 mm at 10 mm intervals.

包装体の寸法：１５０ｍｍ×１００ｍｍ×２０ｍｍ
シートの材質：水解性
シート積層数：１２枚
薬剤の含浸率：３００％
実施例に係るシートの第１領域と第２領域の長さの差：１０ｍｍ
比較例に係るシートの第１領域と第２領域の長さの差：０ｍｍ
（評価結果）
評価結果を表２に示す。 Package dimensions: 150 mm x 100 mm x 20 mm
Sheet material: Water decomposable Number of sheets stacked: 12 Drug impregnation rate: 300%
Difference in length between the first region and the second region of the sheet according to the example: 10 mm
Difference in length between first region and second region of sheet according to comparative example: 0 mm
(Evaluation results)
The evaluation results are shown in Table 2.

Figure 2013000196
Figure 2013000196

比較例に係るシート積層体は、開口部の長さが７０ｍｍ以上の場合には、破断が生じないが、６０ｍｍ以下の場合には、破断が生じることがわかった。開口部の長さが短くなると、開口面積が小さくなり、開口部を通過する際のシートの抵抗力が高くなるためと考えられる。   It was found that the sheet laminate according to the comparative example does not break when the length of the opening is 70 mm or more, but breaks when the length is 60 mm or less. It is considered that when the length of the opening portion is shortened, the opening area is reduced and the resistance of the sheet when passing through the opening portion is increased.

一方、実施例２においても、シートを折り畳んだ状態で、上方に位置する第２領域の長手方向の長さを、第１領域よりも短くすることにより、取り出し時におけるシートの破断を効果的に抑制できることがわかった。   On the other hand, also in Example 2, the sheet in the folded state has a length in the longitudinal direction of the second region located above that is shorter than that of the first region, thereby effectively breaking the sheet at the time of taking out. It turned out that it can suppress.

以上、上述の実施形態を用いて本発明について詳細に説明したが、当業者にとっては、本発明が本明細書中に説明した実施形態に限定されるものではないということは明らかである。本発明は、特許請求の範囲の記載により定まる本発明の趣旨及び範囲を逸脱することなく修正及び変更態様として実施することができる。従って、本明細書の記載は、例示説明を目的とするものであり、本発明に対して何ら制限的な意味を有するものではない。   Although the present invention has been described in detail using the above-described embodiments, it is obvious to those skilled in the art that the present invention is not limited to the embodiments described in this specification. The present invention can be implemented as modified and changed modes without departing from the spirit and scope of the present invention defined by the description of the scope of claims. Therefore, the description of the present specification is for illustrative purposes and does not have any limiting meaning to the present invention.

Ｆ１１〜Ｆ１４…第１長手折り目〜第４長手折り目、 Ｆ２１、Ｆ２２…幅折り目、 Ｌ…長手方向、 Ｗ…幅方向、 １…シート積層体、 １０、１０Ａ〜１０Ｅ…シート、 ２０…包装体、 ２０ａ…上面、 ２１…開口部、 ２２…ラベル部材、 ２２ａ…一端部、 ２２ｂ…他端部、 ３１Ａ、３２Ａ、３３Ａ、３４Ａ、３５Ａ…領域、 ４１…第１領域、 ４２…第２領域   F11 to F14 ... 1st longitudinal fold to 4th longitudinal fold, F21, F22 ... width crease, L ... longitudinal direction, W ... width direction, 1 ... sheet laminated body, 10, 10A to 10E ... sheet, 20 ... packaging body, 20a ... upper surface, 21 ... opening, 22 ... label member, 22a ... one end, 22b ... other end, 31A, 32A, 33A, 34A, 35A ... area, 41 ... first area, 42 ... second area

Claims (5)

所定薬液を含浸させたシートを積層した状態で包装体の内部に収容し、前記包装体に形成された開口部を介して前記シートが取り出されるように構成されたシート積層体であって、
前記シートは、第１方向に沿った第１折り目を基点に折り畳まれた後、前記第１方向と直交する第２折り目を基点に折り畳まれ、前記第２折り目を基点に折り畳まれた状態では、前記第２折り目を境界とした一方の領域となる第１領域よりも前記開口部側に、前記第２折り目を境界とした他方の領域である第２領域が配置されており、
前記第２折り目を基点に折り畳まれた状態において、前記シートの前記第２領域の前記第１方向における長さは、前記シートの前記第１領域の前記第１方向における長さよりも短い、シート積層体。 A sheet laminated body configured to be housed in a package in a state where sheets impregnated with a predetermined chemical solution are laminated, and to be taken out through the opening formed in the package,
After the sheet is folded at the first fold along the first direction, the second fold perpendicular to the first direction is folded at the base, and the second fold is folded at the base, A second region that is the other region with the second fold as a boundary is disposed closer to the opening than the first region that is one region with the second fold as a boundary;
The sheet stack in which the length of the second region of the sheet in the first direction is shorter than the length of the first region of the sheet in the first direction in a state where the second fold is folded at the base point. body. 前記第１方向において、前記シートの前記第１領域の長さと前記シートの前記第２領域の長さとの差は、５ｍｍ以上である、請求項１に記載のシート積層体。   2. The sheet laminate according to claim 1, wherein a difference between the length of the first region of the sheet and the length of the second region of the sheet is 5 mm or more in the first direction. 前記シートは、第１シートと、前記第１シートよりも前記開口部側に位置する第２シートと、を備えており、
前記第１シートの前記第１方向における端部と、前記第２シートの前記第１方向における端部とは、前記第１方向においてずれて配置されており、
前記第２領域の前記第１方向における長さと前記第１領域の前記第１方向における長さとの差は、前記第１シートの前記第１方向における端部と前記第２シートの前記第１方向における端部との前記第１方向における距離よりも長い、請求項１又は請求項２に記載のシート積層体。 The sheet includes a first sheet and a second sheet positioned closer to the opening than the first sheet,
An end portion in the first direction of the first sheet and an end portion in the first direction of the second sheet are arranged so as to be shifted in the first direction,
The difference between the length of the second region in the first direction and the length of the first region in the first direction is the end of the first sheet in the first direction and the first direction of the second sheet. The sheet | seat laminated body of Claim 1 or Claim 2 longer than the distance in the said 1st direction with the edge part in. 前記シートの破断強度は、２５ｍｍ幅当り４．９Ｎ以下である、請求項１から請求項３のいずれかに記載のシート積層体。   The sheet laminate according to any one of claims 1 to 3, wherein the breaking strength of the sheet is 4.9 N or less per 25 mm width. 前記シートに含浸された薬剤の重量は、前記シートの重量に対する２００％〜４００％である、請求項１から請求項４のいずれかに記載のシート積層体。   The weight of the chemical | medical agent impregnated in the said sheet | seat is a sheet laminated body in any one of Claims 1-4 which is 200%-400% with respect to the weight of the said sheet | seat.
JP2011131707A 2011-06-13 2011-06-13 Sheet laminate Active JP5926004B2 (en)

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