EP3778428A1 - Emballage pour papier hygiénique - Google Patents

Emballage pour papier hygiénique Download PDF

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Publication number
EP3778428A1
EP3778428A1 EP19834867.4A EP19834867A EP3778428A1 EP 3778428 A1 EP3778428 A1 EP 3778428A1 EP 19834867 A EP19834867 A EP 19834867A EP 3778428 A1 EP3778428 A1 EP 3778428A1
Authority
EP
European Patent Office
Prior art keywords
easy tear
tear lines
bundle
sanitary tissue
pair
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP19834867.4A
Other languages
German (de)
English (en)
Other versions
EP3778428A4 (fr
Inventor
Shuta YASUI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daio Paper Corp
Original Assignee
Daio Paper Corp
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 Daio Paper Corp filed Critical Daio Paper Corp
Publication of EP3778428A1 publication Critical patent/EP3778428A1/fr
Publication of EP3778428A4 publication Critical patent/EP3778428A4/fr
Pending legal-status Critical Current

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Classifications

    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/404—Details of the lines of weakness
    • 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
    • A47K10/16—Paper towels; Toilet paper; Holders therefor
    • A47K10/18—Holders; Receptacles
    • A47K10/185—Holders for boxes of tissue
    • 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
    • A47K10/16—Paper towels; Toilet paper; Holders therefor
    • A47K10/18—Holders; Receptacles
    • A47K10/20—Holders; Receptacles for piled 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
    • A47K10/421—Dispensers for paper towels or toilet-paper dispensing from a store of single sheets, e.g. stacked dispensing from the top of the dispenser
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/04—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions of polygonal cross-section
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
    • B65D17/4012—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening partially by means of a tearing tab
    • 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
    • B65D83/0805—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture in a wall
    • 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
    • A47K2010/3266—Wet wipes
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/0002—Location of opening
    • B65D2517/0008—Location of opening in side wall
    • 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
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/001—Action for opening container
    • B65D2517/0013—Action for opening container pull-out tear panel, e.g. by means of a tear-tab
    • 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
    • B65D2583/00—Containers or packages with special means for dispensing contents
    • B65D2583/08—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession
    • B65D2583/082—Details relating to containers for dispensing thin flat articles in succession

Definitions

  • the present invention relates to a film packaging type sanitary tissue package in which a bundle of sanitary tissues such as tissue paper is wrapped with a film.
  • sanitary tissues such as tissue paper
  • a paper box type storing body also referred to as a box tissue
  • a pop-up type bundle of about 120 to 250 sets, each of which has two to four sanitary tissues, are stored.
  • a film packaging type sanitary tissue package in which a pop-up type bundle having the same number of sets as that of the paper box type storing body is packaged with a flexible resin film.
  • the pillow wrapping mode is a wrapping mode in which a bundle corresponding to a packaged object is wrapped in a width direction with a long film, edge portions overlapped in a wrapping direction are stuck to each other, and a part extending in a lengthwise direction of a film beyond the packaged object is stuck in a gusset form and sealed.
  • Overwrap wrapping is a wrapping mode also referred to as caramel wrapping or combined wrapping, and is a wrapping form in which a bundle corresponding to a packaged object is rolled up to be wrapped in a tubular shape using a film, overlapping parts are stuck to each other in a wrapping direction, a part where the film extends beyond the bundle corresponding to the packaged object is folded from two opposite edges to the packaged object side, and at least respective tip edge portions of triangular or quadrangular pieces formed at that time are stuck and sealed.
  • an overwrap wrapped one has a shape closer to a rectangular parallelepiped shape. Further, the rigidity of a sealed part formed by sticking the triangular or quadrangular pieces is high. Moreover, even when a height of the bundle is reduced by using the sanitary tissue after opening, a shape retention property of a packaging bag is excellent in many cases.
  • a take-out port of the film packaging type sanitary tissue package in addition to a slit-shaped take-out port formed by arranging one perforation on a straight line on an upper surface part and tearing the perforation, it has been common to use a chamfered rectangular, rectangular, or elliptical opening formed by forming a chamfered rectangular, rectangular, or elliptical annular perforation on an upper surface part frequently seen in a paper box type and cutting off the part.
  • one perforation arranged on the straight line on the upper surface part is easy to tear beyond both ends of the perforation during opening.
  • the shape of the packaging bag hardly collapses.
  • the resistance at the time of taking out the sanitary tissue is large.
  • the entire package is likely to be lifted.
  • the sheet easily falls into the package from the opening, especially when the number of sets forming the bundle is small.
  • a main object of the invention is to provide an overwrap-wrapped sanitary tissue package, which is excellent in sanitary tissue take-out property and prevention of falling.
  • the means for solving the above problems are as follows.
  • First means is a sanitary tissue package including a bundle of folded sanitary tissues stacked in a pop-up type, and a film overwrap-wrapping the bundle of folded sanitary tissues, in which a top surface part of the film includes a take-out port forming portion surrounded by a pair of first easy tear lines that extends along a width direction in which folded edges of the sanitary tissue extend and is spaced apart in a depth direction orthogonal to the width direction and a pair of second easy tear lines that extends along the depth direction and connects end portions of the pair of first easy tear lines, the take-out port forming portion forms a shape having an end portion narrowing portion in which the pair of first easy tear lines gradually approaches each other from connection portions with respect to the second easy tear lines to a side of a center portion of the bundle in the width direction and a width therebetween narrows, a widened portion in which the pair of first easy tear lines is gradually separated from each other from a side of the end portion narrowing portion to the side of the center portion of the bundle in
  • Second means is the sanitary tissue package according to the first means, in which a length of the second easy tear lines is 1.0 to 16.0% of a length of the bundle in the depth direction.
  • Third means is the sanitary tissue package according to the first or second means, in which a connecting portion in which an interval between the pair of first easy tear lines is constant is included between the end portion narrowing portion and the widened portion.
  • Fourth means is the sanitary tissue package according to any one of the first to third means, in which the pair of first easy tear lines in the end portion narrowing portion and the widened portion is curved lines.
  • Fifth means is the sanitary tissue package according to any one of the first to fourth means, in which the first easy tear lines and the second easy tear lines are perforations.
  • Sixth means is the sanitary tissue package according to the third means, in which the pair of first easy tear lines in the end portion narrowing portion and the widened portion is slits communicating with an inside and an outside, and the pair of first easy tear lines in the connecting portion and the wide portion are perforations of tie 0.5 mm to 3.0 mm and cut 1.0 mm to 7.00 mm.
  • Seventh means is the sanitary tissue package according to the first, second, third, fourth, or sixth means, in which the second easy tear lines are slits having uncut portions at a center portion in the depth direction.
  • Eighth means is the sanitary tissue package according to any one of the first to seventh means, in which a width of the edge pieces is 8 to 28 mm.
  • the invention provides a sanitary tissue package for overwrap wrapping, which is excellent in sanitary tissue take-out property and prevention of falling.
  • a sanitary tissue package 1 of the present embodiment is obtained by wrapping a bundle 3 of sanitary tissues 2 with a film 4, and a take-out port forming portion 50 for forming a take-out port 60 for taking out the contained sanitary tissues 2 one by one is provided on a top surface part 1A of the film 4.
  • the sanitary tissue package 1 is a so-called pop-up type, and when one or a set of sanitary tissues 2 is taken out from the take-out port 60 formed by tearing the take-out port forming portion 50, a part of a sanitary tissue 2 to be taken out next is exposed so that the sanitary tissue 2 can be pinched. Note that in Figs. 1 and 3 , sites that appear when the take-out port forming portion 50 is torn to form the take-out port 60 are indicated by the same reference characters.
  • the sanitary tissue 2 according to the present embodiment is tissue paper, paper towel, toilet paper, etc.
  • the invention is particularly effective in the case of tissue paper having a ply structure in which two to four pieces of base paper having dry crepe are stacked to form a set.
  • both end portions of a stacked continuous sheet can be bonded by ply bonding, or four sides of a sanitary tissue sheet or the entire surface of the sheet can be bonded by embossing means.
  • the sanitary tissue 2 according to the invention is a dried dry type, and is not a so-called wet type impregnated with a chemical solution. Therefore, the bundle 3 contains air between the layers.
  • the dry type sanitary tissue 2 particularly in tissue paper
  • a moisturizing tissue to which a moisturizing agent, etc. is added
  • the sanitary tissue package 1 according to the invention is particularly effective in the moisturizing tissue since the bundle 3 is wrapped by the film 4, and thus the contents rarely dry when compared to the paper box type, and distortion of paper in the paper box due to moisture absorption unique to the moisturizing tissue does not occur.
  • the raw material pulp is a mixture of NBKP and LBKP. Even though used paper pulp may be blended, it is preferable that it contains only NBKP and LBKP in terms of texture.
  • the sanitary tissue preferably has a basis weight of 10 to 25 g/m 2 per ply (per sheet of base paper constituting one set). In particular, 10 to 18 g/m 2 is preferable.
  • the basis weight here refers to that measured by the measuring method of JIS P 8124 (1998).
  • a paper thickness of the sanitary tissue is not necessarily limited, and is 90 to 170 ⁇ m in a 2-ply state, and more preferably 90 to 150 ⁇ m. In a three-ply state, the paper thickness is 180 to 280 ⁇ m, and more preferably 180 to 250 ⁇ m. In a four-ply state, the paper thickness is 200 to 320 ⁇ m, and more preferably 200 to 280 ⁇ m.
  • the paper thickness here refers to a value measured in a state of one set by adjusting the humidity of a test piece sufficiently under the conditions of JIS P 8111 (1998), and then using a dial thickness gauge (thickness measuring instrument) "PEACOCK G type" (manufactured by OZAKI MFG. CO., LTD.) under the same conditions.
  • the bundle 3 of the sanitary tissues 2 according to the invention is configured such that a rectangular sanitary tissue 2 having a length of 180 to 210 mm ⁇ width of 130 to 160 mm is folded in two parts, and folded pieces 2B of other sanitary tissues positioned above and below the particular sanitary tissue 2 are located in a folded inner side part 2A, thereby folding and stacking a plurality of sanitary tissues.
  • the bundle 3 has a rectangular parallelepiped shape having a pair of long side surfaces 3A where folded edges 2C of the respective sanitary tissues are arranged and a pair of short side surfaces 3B where the folded edges 2C are not arranged, and having a pair of flat surfaces (top surface and bottom surface) 3C connected to the long side surfaces 3A and the short side surfaces 3B.
  • the top surface part 1A according to the invention is a part facing the flat surfaces 3C of the film.
  • a size of the bundle 3 is not necessarily limited, and is about 153 mm in width (M size) or 137 mm in width (S size) ⁇ 96 mm in depth ⁇ 43 mm in height.
  • this bundle 3 when one folded piece located at the uppermost position is pulled upward, another adjacent folded piece immediately below the piece is dragged upward and lifted, so that so-called pop-up operation is performed.
  • a bundle 3 can be manufactured by a known multi-stand type or rotary type inter-folder.
  • a tissue paper storing body that stores tissue paper is generally 80 to 240 sets with 2 plies (two sheets stacked), 3 plies (three sheets stacked), or 4 plies (four sheets stacked) as one set, and may be similarly set to 80 to 240 sets in the sanitary tissue package of the present embodiment.
  • a wrapping mode of the bundle 3 by the film 4 of the sanitary tissue package 1 according to the invention is overwrap wrapping.
  • Overwrap wrapping is a wrapping mode also referred to as caramel wrapping.
  • overwrap wrapping is a wrapping form in which the bundle 3 corresponding to a packaged object is rolled up to be wrapped in a tubular shape using the film 4, upper and lower layers of the film are stuck by a fusion treatment or an adhesive (a bonding portion is indicated by a reference character 4S in Fig. 4 ) in an overlapping part 4A ( Fig. 4 ) in a wrapping direction, a part 4B ( Fig.
  • the sanitary tissue package 1 according to the invention is, in particular, in overwrap wrapping, and is a wrapping mode in which a tubular opening sealing portion 4C ( Figs. 1 and 5 ) formed by sealing the tubular opening 4X is at a position facing the short side surfaces 3B of the bundle 3 as illustrated in Fig. 3 .
  • the opening sealing portion 4C of overwrap wrapping has a planar shape formed by stacking and sticking a plurality of layers of films, and thus an overall outer shell shape is a rectangular parallelepiped shape close to a paper box.
  • the plurality of layers of films 4 is stacked and stuck, and thus the rigidity of the part tends to increase.
  • the sanitary tissue package 1 according to the invention which is represented by a film-packaged tissue, may be sold in a pile at a store, and it is desirable that a shape of a product is close to a rectangular parallelepiped, and a shape retention property is excellent without crushing.
  • overwrap wrapping according to the present is desirable from a viewpoint of the rigidity and shape.
  • a difference between the respective sites in the outer shell dimensions of the film 4 (width ⁇ depth ⁇ height) and the dimensions of the bundle (width ⁇ depth ⁇ height) is not necessarily limited.
  • the dimensions are generally -2 mm to +5 mm with respect to the dimensions of the bundle, which is similarly applied to the sanitary tissue package 1 according to the invention.
  • the take-out port forming portion 50 for forming the take-out port 60 extends along a width direction 3W in which the folded edges 2C of the sanitary tissue 2 extend and is in a range surrounded by a pair of first easy tear lines 5A and 5A spaced apart in a depth direction 3D orthogonal to the width direction, and a pair of second easy tear lines 5B and 5B extending along the depth direction 3D and connecting end portions of the pair of first easy tear lines 5A and 5A.
  • the easy tear lines 5A and 5B are lines easily torn by the lines, and are, for example, perforations or slit lines provided with uncut portions at appropriate intervals. Alternatively, a line formed by reducing the thickness of the film may be used.
  • the take-out port forming portion 50 characteristically forms a shape having an end portion narrowing portion 51 in which the pair of first easy tear lines 5A and 5A gradually approaches each other from connection portions P1 and P1 with respect to the second easy tear lines 5B and 5B toward a center portion side of the bundle 3 in the width direction and a width therebetween narrows, a widened portion 52 in which the pair of first easy tear lines 5A and 5A is gradually separated from each other from the end portion narrowing portion 51 side toward the center portion side of the bundle 3 in the width direction and the width therebetween widens, and a wide portion 53 in which the pair of first easy tear lines 5A and 5A is gradually separated from each other to bulge outward in the depth direction at least until a length therebetween becomes longer than the length of the second easy tear line 5B further toward the center portion of the bundle 3 in the width direction from the widened portion 52.
  • a length JW between the first easy tear lines between the end portion narrowing portion 51 and the widened portion 52 is 10% or less of a length L1 of the bundle 3 in the depth direction 3D, preferably 1.6 to 8.3% thereof, and a length SW between the first easy tear lines 5A and 5A in the wide portion 53 is 60% or less of the length L1 of the bundle 3 in the depth direction 3D, and preferably 45 to 57% thereof.
  • the take-out port forming portion 50 forms the shape having the end portion narrowing portion 51, the widened portion 52, and the wide portion 53, when a part within a range of the take-out port forming portion 50 is cut off, first, an acute corner portion P ( Figs. 5 and 6 ) is formed at a position between the first easy tear line 5A and the second easy tear line 5B at a position of the end portion narrowing portion 51.
  • end portion narrowing portion 51 is arranged so that the pair of first easy tear lines 5A, 5A approaches each other from ends of the second easy tear lines 5B along the depth direction, when these portions are cut off, acute corner portions P and P having apexes at end positions of the second easy tear lines 5B extending outward in the depth direction are formed at positions of the end portion narrowing portion.
  • the take-out port forming portion 50 forms the shape having the end portion narrowing portion 51, the widened portion 52, and the wide portion 53, when the part within a range of the take-out port forming portion 50 is cut off, free edge pieces 61 and 61 including edges in a range from the end portion narrowing portion 51 to the wide portion 53 are formed.
  • the pair of first easy tear lines 5A and 5A according to the invention first approaches in the end portion narrowing portion 51, is spaced apart in the widened portion 52, and extends outward in the depth direction with respect to ends of the second easy tear lines 5B in the wide portion 53 toward the center portion of the bundle 3 in the width direction, a range connecting an edge E1 in a range from the end portion narrowing portion 51 to the wide portion 53, the corner portion P, and an outer position P2 in the depth direction of the bundle 3 with respect to at least the end of the second easy tear line 5B in the wide portion becomes the free edge piece 61 formed of the flexible film 4.
  • the take-out port 60 related to the take-out port forming portion 50 since the take-out port 60 related to the take-out port forming portion 50 is formed, a pull-out property and a fall prevention property are excellent.
  • the take-out property includes not only the ability to smoothly pull out the sanitary tissue, but also the fact that a part of the next one sheet or one set exposed after pulling out one sheet or one set is easy to stand and is easily pinched.
  • the opening is wide at the position corresponding to the wide portion 53, there is little resistance at the time of pulling out, and it is easy to pull out smoothly.
  • the first one sheet is easy to pinch.
  • the length SW between the first easy tear lines 5A and 5A in the wide portion 53 is 60% or less of the length in the depth direction of the bundle, an excessively wide opening is not formed, and the fall prevention property is ensured in combination with other configurations.
  • an edge 20E at a root part of an exposed part 20 of the next one sheet or one set after the one sheet or one set is taken out enters the corner portion P and is supported.
  • the edge piece 61 positioned on the corner portion side opposite from the corner portion P into which the edge 20E of the sanitary tissue 2 is fit comes to lean on the exposed part 20 of the sanitary tissue 2, the edge 20E of the sanitary tissue 2 is pushed toward the corner portion P side, and the fit is maintained.
  • the part 20 of the next sanitary tissue has an excellent self-supporting property and fall prevention property.
  • the bundle 3 has a pop-up type structure as the sanitary tissue package 1 according to the invention
  • the edge 20E and the surface of the part 20 of the sanitary tissue 2 pulled out thereafter are directed toward the take-out port while moving in the depth direction 3D, and guided by an edge of the take-out port 60 when exposed from the take-out port 60.
  • the take-out port 60 widens from a position between the end portion narrowing portion 51 and the widened portion 52 toward a position of the end portion narrowing portion, when the part 20 of the sanitary tissue 2 is pulled out, the edge 20E of the sanitary tissue 2 is easily guided to the corner portion P.
  • the connecting portion 54 in which an interval between the pair of first easy tear lines is constant is provided as a range in which a space between the first easy tear lines 5A and 5A is 10% or less, the surface of the sanitary tissue 2 is more easily supported, and the fall prevention property is further enhanced.
  • the pair of first easy tear lines 5A and 5A in the end portion narrowing portion 51 and the widened portion 52 is curved lines. Since the edge E of the take-out port 60 has a smooth curve, the sanitary tissue 2 is smoothly guided by the edge, and the pull-out property is further improved.
  • the overall shape of the wide portion 53 is not particularly limited. However, as in the illustrated example, it is desirable to adopt a circular shape, an elliptical shape, or a chamfered quadrangle having curved edges. It is hardly get caught on the edge when pulling out and it is easy to pull out smoothly.
  • a length PW of the first easy tear lines 5A and 5A in the width direction 3W of the bundle 3 in the sanitary tissue package 1 according to the invention is shorter than a width direction length L2 of the bundle 3, and is particularly 87 to 97% thereof. When 97% is exceeded, the edge 20E of the sanitary tissue 2 becomes difficult to enter the corner portion P.
  • a length EW of the second easy tear line 5B in the sanitary tissue package 1 according to the invention is 3 to 16% of the length L1 of the bundle 3 in the depth direction 3D. Within this range, the edge 20E easily enters the corner portion P.
  • a width Bh of the edge piece 61 in the sanitary tissue package 1 according to the invention that is, a width Bh from a line Bb connecting the corner portion P1 (one of the corner portions P) and a position P2 on an edge side of the wide portion 53 corresponding thereto (the line Bb is a tangent to the outer edge of the wide portion 53 and passes through the corner portion P1) to an opening edge E is 8 to 24 mm.
  • the position P2 on the edge side of the wide portion 53 on the line Bb connecting the corner portion P and the edge of the wide portion 53 is a position where the width Bh is the longest.
  • the first easy tear line 5A and the second easy tear line 5B in the sanitary tissue package 1 according to the invention can be formed by perforations or slits having an uncut portion at an appropriate position as described above.
  • the first easy tear line 5A is formed as a slit communicating with the inside and outside.
  • the connecting portion 54 and the wide portion 53 it is desirable that the first easy tear lines 5A are tie 0.5 mm to 3.0 mm and cut 1.0 mm to 7.00 mm perforations.
  • the first easy tear lines 5A are a tie of 1.5 mm to 2.5 mm and a cut of 2.0 mm to 5.0 mm perforations. It is not easily torn during transportation or loading, and is easily broken by fingers.
  • the second easy tear line 5B is perforations in which a position that becomes the corner portion P is cut or a slit in which an uncut portion is provided especially in the center portion in the depth direction 3D. In the case of the configuration as the slit or perforations in this way, as illustrated in Fig.
  • a flexible resin film material contained in the film 4 according to the invention may include a single layer film of a polyethylene, a polypropylen, a polyester, a polyethylene terephthalate, a nylon, a vinylidene chloride, or an ethylene vinyl alcohol copolymer, an appropriately stacked laminate film containing these films, or a gas barrier film with surface treatment such as aluminum vapor deposition on those films.
  • a polypropylene film and a polyethylene film are preferable from a viewpoint of cost.
  • a non-stretched polypropylene film (CPP) having excellent heat fusion property is desirable.
  • the thickness of the film 4 may be appropriately selected in consideration of flexibility, cost, gas permeability, and heat-fusion property during packaging.
  • Comparative Example 5 has an opening forming portion formed of one perforation, particularly along the bundle width direction, and has a linear slit at a take-out port. Note that a tie cut ratio thereof is 2 mm for ties and 3 mm for cuts.
  • All wrapping modes are overwrap wrapping, and a sealing portion is formed by heat fusion.
  • the product outer shell dimensions and the bundle dimensions were made almost the same except for manufacturing errors, and the bundles were the commercially available S size and M size.
  • the M size bundle is a bundle of non-moisturizing tissue paper containing no moisturizing agent
  • the S size bundle is a bundle of moisturizing type tissue paper containing 14% by mass of the moisturizing agent.
  • the main physical properties and film materials of the sanitary tissues are all the same and are shown in the table.
  • the dimensions of each portion are as shown in Tables 1 and 2, where Table 1 shows the S size test results and Table 2 shows the M size test results.
  • the evaluations in the table are based on the following criteria.
  • the examples of the sanitary tissue package according to the invention have an evaluation of "4" or more in each test, whereas the comparative examples have an evaluation of "1" to "3".
  • the sanitary tissue package according to the invention is excellent in the take-out property and falling prevention of the sanitary tissues.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Sanitary Thin Papers (AREA)
EP19834867.4A 2018-07-13 2019-06-12 Emballage pour papier hygiénique Pending EP3778428A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018133701A JP6771000B2 (ja) 2018-07-13 2018-07-13 衛生薄葉紙包装体
PCT/JP2019/023216 WO2020012856A1 (fr) 2018-07-13 2019-06-12 Emballage pour papier hygiénique

Publications (2)

Publication Number Publication Date
EP3778428A1 true EP3778428A1 (fr) 2021-02-17
EP3778428A4 EP3778428A4 (fr) 2022-01-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19834867.4A Pending EP3778428A4 (fr) 2018-07-13 2019-06-12 Emballage pour papier hygiénique

Country Status (6)

Country Link
US (1) US20210261289A1 (fr)
EP (1) EP3778428A4 (fr)
JP (1) JP6771000B2 (fr)
KR (1) KR20210030897A (fr)
CN (1) CN112074468B (fr)
WO (1) WO2020012856A1 (fr)

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JP7317775B2 (ja) * 2020-08-26 2023-07-31 大王製紙株式会社 フィルム包装ティシュー
USD999643S1 (en) 2021-04-26 2023-09-26 Tariq Ahmed Collapsible tissue box holder

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Also Published As

Publication number Publication date
WO2020012856A1 (fr) 2020-01-16
CN112074468A (zh) 2020-12-11
JP6771000B2 (ja) 2020-10-21
KR20210030897A (ko) 2021-03-18
EP3778428A4 (fr) 2022-01-26
CN112074468B (zh) 2022-10-28
JP2020011742A (ja) 2020-01-23
US20210261289A1 (en) 2021-08-26

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