US20220258939A1 - Film-packaged tissue assembly package - Google Patents

Film-packaged tissue assembly package Download PDF

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Publication number
US20220258939A1
US20220258939A1 US17/612,338 US202017612338A US2022258939A1 US 20220258939 A1 US20220258939 A1 US 20220258939A1 US 202017612338 A US202017612338 A US 202017612338A US 2022258939 A1 US2022258939 A1 US 2022258939A1
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United States
Prior art keywords
film
packaged
tissue
gusset
tissues
Prior art date
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Abandoned
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US17/612,338
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English (en)
Inventor
Shinichi WARASHINA
Shohei Yoshida
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Daio Paper Corp
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Daio Paper Corp
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Filing date
Publication date
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Assigned to DAIO PAPER CORPORATION reassignment DAIO PAPER CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: WARASHINA, Shinichi, YOSHIDA, SHOHEI
Publication of US20220258939A1 publication Critical patent/US20220258939A1/en
Abandoned 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • 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
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/06—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers
    • B65D71/063—Wrappers formed by one or more films or the like, e.g. nets
    • 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
    • A47K10/426—Dispensers for paper towels or toilet-paper dispensing from a store of single sheets, e.g. stacked dispensing from the front or sides 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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/06—Handles
    • B65D33/08—Hand holes
    • 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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/22—Details
    • B65D77/30—Opening or contents-removing devices added or incorporated during filling or closing of containers
    • B65D77/38—Weakened closure seams
    • 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
    • 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/07—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles
    • 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

Definitions

  • the present invention relates to a film-packaged tissue assembly package in which a plurality of film-packaged tissues in each of which a bundle of tissue paper obtained by folding and stacking tissue paper is packaged with a flexible packaging film is collectively gusset-packaged.
  • a tissue paper package also called a box tissue in which a bundle of tissue paper is contained in a paper storage box called a carton box is well known.
  • a box product 101 B is excellent in shape stability of a paper storage box which is an outer shell. Therefore, as illustrated in FIG. 12 , in general, five or three box products 101 B are arranged so as to be stacked in a top-bottom direction, and formed into a product shaped body 110 B of assembly packaging (also referred to as pack packaging) collected by an exterior film 111 . A large number of product shaped bodies 110 B are often stacked and sold at a storefront of a distributor or the like.
  • tissue paper package also called a film-packaged tissue
  • a bundle of tissue paper is package with a flexible resin packaging film.
  • a portable one called a pocket tissue is well known.
  • non-portable film-packaged tissue used in a stationary manner like a box product or used for a refill of a bundle of the box product.
  • the film-packaged tissue used in a stationary manner or the like, like the box product has advantages in terms of reduction of packaging materials, transportation cost due to compactness, and portability as compared with the box product.
  • a bundle of flexible tissue paper is packaged with a flexible packaging film. Therefore, the film-packaged tissue has a problem that shape retention is inferior to that of the box product, and shape retention suitable for storefront stacking cannot be obtained only by simply stacking a plurality of film-packaged tissues and forming the film-packaged tissues into assembly packaging with a film as in the case of the box product.
  • Patent Literature 1 in a technique disclosed in the following Patent Literature 1, by forming a suction and exhaust hole in a film-packaged tissue to make the film-packaged tissue compressible, and forming the film-packaged tissue into assembly packaging in a gusset packaging manner such that the film-packaged tissue is restrained by an assembly packaging film in a compressed state, shape retention is enhanced like the box product as a whole, and the film-packaged tissue is suitable for storefront stacking.
  • tissue paper having a high moisture content such as moisturizing tissue containing a liquid chemical or in a high humidity environment
  • fullness of the tissue paper is more likely to be reduced.
  • gusset packaging suitable for a flexible packaging object such as a toilet roll is preferable.
  • a film-packaged tissue assembly package mainly used in a stationary manner which is different from a portable one, usually has a size not to be contained in a bag, and has a certain degree of weight. Therefore, gusset packaging with a grip portion is preferable.
  • this gusset packaging easily forms spaces particularly on a top surface side and a bottom surface side due to a structure thereof. Therefore, when compressibility of the film-packaged tissue is lowered to simply lower restraint performance, the contained film-packaged tissue easily moves. In the film-packaged tissue, a sealed portion formed by thermal fusion or the like of a packaging film is hard. Therefore, when the contained film-packaged tissue easily moves, the hard portion and an exterior film constituting the gusset packaging are rubbed against each other, and a risk of breakage increases.
  • a main object of the present invention is to provide a film-packaged tissue assembly package, for example, mainly used in a stationary manner like a box product, the film-packaged tissue assembly package being hardly reduced in fullness of contained tissue paper, being excellent in shape retention, for example, to be easily stacked and sold at a storefront, and being hardly damaged in an assembly packaging film. Furthermore, there is also provided a film-packaged tissue assembly package which is excellent in an opening property and portability of the assembly package while being excellent in a take-out property of a contained film-packaged tissue.
  • a first means is
  • a film-packaged tissue assembly package including a gusset packaging bag having a grip portion on a top surface side and a plurality of film-packaged tissues arranged and packaged in the gusset packaging bag, wherein
  • each of the film-packaged tissues is overlap-packaged and has end surfaces formed by of sealed portions of tube openings at both ends in a longitudinal direction
  • the overlap-packaged film-packaged tissues are gusset-packaged such that each end surface faces the top surface side having the grip portion and a bottom surface side facing the top surface side, and the longitudinal direction is along a top-bottom direction.
  • a second means is
  • the film-packaged tissue paper is obtained by overlap-packaging a bundle of tissue paper having a substantially rectangular parallelepiped shape in which a plurality of sheets of tissue paper is folded and stacked, and has a take-out port forming portion of the tissue paper on an upper surface, and the end surface formed of sealed portions of tube openings is located facing a short side surface of the bundle.
  • a third means is
  • packaging is performed such that the plurality of film-packaged tissues is arranged in a substantially rectangular parallelepiped shape such that the end surfaces are substantially flush with each other and long side surfaces are substantially flush with each other, and gusset portions of the gusset packaging bag face upper or lower surface of the film-packaged tissues.
  • a fourth means is
  • two or less stages of the film-packaged tissues are arranged in the gusset packaging bag in the top-bottom direction such that the end surfaces butt against each other.
  • a fifth means is
  • the film-packaged tissue assembly arranged in the gusset packaging bag has a compression ratio of 80% or more in a direction orthogonal to the top-bottom direction.
  • a sixth means is
  • the film-packaged tissues each have a bundle filling ratio of 100% or more.
  • the present invention described above provides a film-packaged tissue assembly package which is hardly reduced in fullness of contained tissue paper, is excellent in shape retention, for example, to be easily stacked and sold at a storefront, and is hardly damaged in an assembly packaging film. Furthermore, the present invention also provides a film-packaged tissue assembly package which is excellent in an opening property and portability of assembly packaging while being excellent in a pop-up property of a contained film-packaged tissue.
  • FIG. 1 is a perspective view of a film-packaged tissue assembly package according to the present invention.
  • FIG. 2 is a perspective view of another film-packaged tissue assembly package according to the present invention.
  • FIG. 3 is a perspective view for explaining a film-packaged tissue according to the present invention.
  • FIG. 4 is a perspective view for explaining another film-packaged tissue according to the present invention.
  • FIG. 5 is a top view for explaining a take-out port of the film-packaged tissue according to the present invention.
  • FIG. 6 is a perspective view for explaining a packaging structure of the film-packaged tissue according to the present invention.
  • FIG. 7 is a perspective view for explaining a tissue paper bundle according to the present invention.
  • FIG. 8 is a perspective view illustrating a time when the film-packaged tissue assembly package according to the present invention is opened.
  • FIG. 9 is a diagram for explaining a gusset packaging bag according to the present invention.
  • FIG. 10 is a perspective view for explaining a structure of gusset packaging according to the film-packaged tissue assembly package according to the present invention.
  • FIG. 11 is a diagram for explaining a comparative embodiment of the film-packaged tissue assembly package.
  • FIG. 12 is a diagram for explaining an example of assembly packaging of a tissue paper package of a conventional box product.
  • FIGS. 1 to 10 illustrating an embodiment of the present invention
  • FIG. 11 illustrating a comparative embodiment.
  • a film-packaged tissue assembly package 10 (hereinafter, also referred to as an assembly package) according to the present invention, a plurality of film-packaged tissues 1 in which a bundle 3 obtained by folding and stacking a plurality of sets of tissue paper 2 is packaged with a flexible packaging film 4 is arranged and gusset-packaged so as to be contained in a gusset packaging bag 13 having a grip portion 45 on a top surface side.
  • the film-packaged tissue 1 according to the present invention is obtained by overlap-packaging the bundle 3 .
  • the overlap packaging is a packaging mode also referred to as caramel packaging or combined packaging, and as illustrated in FIGS. 3 to 5 , is a packaging mode in which the bundle 3 , which is a packaging object, is packaged with the packaging film 4 so as to be wrapped in a tubular shape such that openings 4 Z are formed at both ends in a longitudinal direction, portions 4 X overlapping in the wrapping direction are bonded by a fusion treatment or an adhesive, a portion 4 Y extending beyond the bundle 3 is folded toward an end surface side of the bundle 3 from the vicinity of two opposing edges of a bundle end surface, at least tip edges of substantially triangular or substantially trapezoidal pieces formed at this time are overlapped and bonded by a fusion treatment or an adhesive to seal a tube opening 4 Z, thus forming an end surface 4 A.
  • the end surface 4 A has a substantially planar shape, an exterior of the packaging film 4 has a substantially rectangular parallelepiped shape close to a box.
  • the end surface 4 A is formed by stacking and bonding a plurality of layers of the packaging film 4 , and therefore has high rigidity, is hardly crushed, and easily maintains a substantially rectangular parallelepiped shape.
  • a product shape thereof is a substantially rectangular parallelepipedon. Therefore, even when the film-packaged tissues 1 are arranged and formed into assembly packaging as illustrated in FIGS. 1 and 2 , the film-packaged tissues 1 can have a rectangular parallelepiped shape as a whole. For this reason, the assembly packages are easily stacked in a plurality of stages in line, and easily stacked and sold at a storefront. In addition, even when the assembly packages are stacked in such a manner, the exterior of the packaging film 4 has high rigidity. Therefore, a compressive force is hardly applied to the inner bundle 3 , and fullness of the tissue paper 2 is hardly reduced.
  • the bundle 3 of tissue paper contained in the film-packaged tissue 1 is a pop-up type.
  • the pop-up type bundle 3 is obtained by folding a sheet of the tissue paper 2 having a substantially rectangular shape of about 197 ⁇ 10 mm in length ⁇ 217 ⁇ 10 mm in width in half, and stacking a plurality of sheets of the tissue paper 2 such that folded pieces 2 B of other sheets of the tissue paper 2 located above and below the folded sheet are located in an inner side 2 A of the folded sheet.
  • a folded piece 2 B of another sheet adjacent to the lifted sheet immediately below the lifted sheet is dragged upward and lifted.
  • Such a bundle 3 can be manufactured by a known multi-stand type or rotary type interfolder.
  • the bundle 3 according to the present invention may be a non-pop-up type having a substantially rectangular parallelepiped shape in which a plurality of sets of the folded tissue paper 2 is stacked.
  • the pop-up type bundle 3 has a substantially rectangular parallelepiped shape having a pair of longitudinal side surfaces 3 B in which folded edges 2 C of sheets of the tissue paper 2 are lined up, a pair of short side surfaces 3 A in which the folded edges 2 C are not lined up, and a pair of flat surfaces (upper and lower surfaces) 3 C connected to the short side surfaces 3 A and the longitudinal side surfaces 3 B.
  • the pop-up type bundle 3 is constituted by the soft tissue paper 2 , and therefore has flexibility and is easily compressed and deformed.
  • the number of sets of the tissue paper 2 constituting the bundle 3 is not limited, but is generally 120 to 240 as one set of 2 plies (two sheets stacked) or 3 plies (three sheets stacked).
  • the size of the bundle 3 is not necessarily limited, but a bundle of 150 sets of 2-ply tissue paper has a height of about 40 to 50 mm ⁇ 160 to 200 mm in a longitudinal direction (width) ⁇ 90 to 110 mm in a short direction (depth).
  • the film-packaged tissue 1 according to the present invention is not a portable tissue called a pocket tissue or the like having about 10 to 12 sets of contained tissue paper and a height of about 10 mm.
  • the end surface 4 A sealing the barrel opening 4 Z is located at a position facing the short side surface 3 A of the bundle 3 , and an opening perforation 5 is formed at a position facing the uppermost tissue paper 2 of the bundle 3 of the packaging film 4 .
  • the film-packaged tissue paper 1 in the illustrated mode is obtained by overlap-packaging the pop-up type bundle 3 of tissue paper 2 having a substantially rectangular parallelepiped shape obtained by folding a sheet of the tissue paper 2 in half, and stacking a plurality of sheets of the tissue paper 2 such that the folded pieces 2 B of other sheets of the tissue paper 2 located above and below the folded sheet are located in the inner side 2 A of the folded sheet.
  • the illustrated film-packaged tissue paper 1 has a take-out port forming portion 5 of tissue paper on an upper surface, and has the end surface 4 A which is a sealing portion of the barrel opening 4 X facing the short side surface 3 A where the folded edges 2 C of the bundle 3 are not lined up.
  • tissue paper is stacked in a direction in which the end surface 4 A having high rigidity stands, and therefore the bundle 3 is hardly compressed, and fullness is hardly reduced even if a compressive force from a bundle stacking direction (up-down direction) is applied.
  • a suction and exhaust hole communicating with the inside and the outside may be formed.
  • the suction and exhaust hole may be formed, but it is desirable that there is no suction and exhaust hole at this position.
  • the suction and exhaust hole is formed on the end surface 4 A, fragility of the end surface 4 A increases. Therefore, the advantage of the overlap packaging having the end surface 4 A having high rigidity is deteriorated.
  • the take-out port forming portion 5 may be the linear opening perforation 5 extending in a longitudinal direction at the central portion in the short direction.
  • an elongated annular perforation may be formed in the longitudinal direction to form an elongated opening.
  • the opening perforation 5 may be covered with a peelable sealing material.
  • a shape having a slit portion 51 extending in the longitudinal direction and an opening 50 communicating with an end of the slit portion 51 and having a widening portion 52 gradually widening as a distance from the slit portion 51 increases in the longitudinal direction is formed at the central portion in the short direction.
  • the opening 50 has a shape having a curved portion 53 continuous with the widening portion 52 and protruding toward an end in the longitudinal direction.
  • a length L 3 of a portion where the take-out port forming portion 5 is present is shorter than a longitudinal length L 4 of the bundle 3 and is preferably about 60 to 80% of the longitudinal length L 4 of the bundle 3 .
  • the width (length in the short direction) of the slit 51 is 10 mm or less, and preferably 7 mm or less in the short direction. As illustrated in FIG. 5(B) , there may be substantially no width formed by opening the linear perforation.
  • an edge vicinity 51 A of the slit portion 51 is a free edge piece that is easily moved in an up-down direction. Therefore, when a set of tissue paper is pulled out from a bundle, the edge piece is deformed in a direction in which the set of tissue paper is pulled out, and supports a next exposed set of tissue paper by leaning against the next exposed set of tissue paper. In addition, a next sheet of tissue paper partially exposed from the take-out port following the tissue paper pulled out from the bundle is easily deformed into a shape having a high standing property because an edge portion thereof in the longitudinal direction is wound along an edge of the curved portion. In the opening perforation illustrated in the figure, falling of tissue paper into an internal space, which easily occurs in overlap packaging in which an exterior has a rectangular parallelepiped shape, hardly occurs.
  • a cut tie ratio of the perforation forming the take-out port forming portion 5 can be appropriately determined depending on ease of breakage of a film to be used, but as a preferred example, a cut portion has a length of 0.8 mm or more and 5.0 mm or less, and a tie portion has a length of 0.3 mm or more and 5.0 mm or less.
  • the take-out port is easily opened from the curved portion.
  • the flexible resin packaging film 4 constituting an exterior of the film-packaged tissue 1 include: a single-layer film of a polyethylene film, a polypropylene film, a polyester film, a polyethylene terephthalate film, a nylon film, a polyvinylidene chloride film, or an ethylene vinyl alcohol copolymer; a laminate film obtained by appropriately stacking these films; and a gas barrier film obtained by subjecting any of these films to a surface treatment such as aluminum vapor deposition.
  • a biomass film derived from a plant raw material such as sugar cane, potato (starch), or corn can also be used. Use of such a biomass film is desirable from a viewpoint of environmental protection.
  • a polypropylene film and a polyethylene film are preferable from a viewpoint of cost.
  • the packaging film 4 may be a satin film excellent in a design property and a hand feel property.
  • an odorous material such as scented tissue paper
  • an ethylene vinyl alcohol copolymer resin film and a polyethylene terephthalate resin film having an excellent aroma retaining property are desirable.
  • the packaging film 4 may be a multilayer resin film in which a polyethylene resin film or a polypropylene resin film is stacked on one surface or both surfaces of an ethylene vinyl alcohol copolymer resin film or a polyethylene terephthalate resin film to improve thermal fusibility.
  • the thickness of the packaging film 4 only needs to be appropriately selected in consideration of flexibility, cost, gas permeability, and thermal fusibility at the time of packaging, but preferably, it is desirable that a thickness measured in conform with JIS P 8118 (1998) is 25 to 75 ⁇ m, and a softness measured based on a handle-o-meter method in conform with JIS L 1096 (2010) E method is 5.0 to 50.0 cN. With a thickness of 25 to 75 ⁇ m, the rigidity of the end surface 4 A is sufficiently enhanced. In addition, with such a thickness and softness, the packaging film 4 is hardly broken, and is easily formed into a packaging film having an excellent tissue paper take-out property, particularly an excellent pop-up property.
  • the thickness is measured using a dial thickness gauge (thickness measuring instrument) “PEACOCK G-1A type” (manufactured by Ozaki MFG. Co. Ltd.) and its equivalent machine after a test piece is sufficiently subjected to humidity control under conditions of JIS P 8111 (1998).
  • PEACOCK G-1A type manufactured by Ozaki MFG. Co. Ltd.
  • the plurality of overlap-packaged film-packaged tissues 1 is gusset-packaged in the gusset packaging bag 13 such that the end surface 4 A faces a top surface side having a grip portion and a bottom surface side facing the top surface side, and a longitudinal direction thereof is along a top-bottom direction.
  • the gusset packaging is a packaging mode containing a packaging object in a bag-shaped space between bonded portions 41 and 42 bonded by thermal fusion or the like on the top and bottom sides, and particularly having gusset portions 43 and 43 between the front surface and the back surface. For example, as illustrated in FIGS.
  • the gusset packaging is performed by thermally fusing a portion on a top surface side of a gusset tube obtained by folding side portions 40 E and 40 E of a tubular shaped gusset packaging film 14 , which is also referred to as a gusset tube 40 , into the bag inner side and flattening the side portions 40 E and 40 E to seal an opening on the top surface side as a top surface side sealing portion 41 , forming the grip portion 45 , then expanding a bottom surface side opening 40 X of the gusset packaging bag precursor sealed only on the top surface side, inserting a packaging object (in the illustrated mode, film-packaged tissues 1 , 1 , . . .
  • the gusset packaging bag 13 serving as an exterior has gusset portions 43 and 43 formed by opening the side portions 40 E and 40 E folded in a flat state, and surfaces connected to the gusset portions 43 .
  • two surfaces connected to the gusset portions 43 and 43 are a front surface 46 and a back surface 46 .
  • the front surface 46 and the back surface 46 are relative to each other, and which surface is defined as the front surface is not limited.
  • the grip portion 45 is a surplus portion provided on the top surface side with respect to the top surface side sealing portion 41 serving as a top surface side boundary with a bag portion containing the film-packaged tissue 1 in order to enhance portability of the assembly package.
  • a finger hook hole 47 is formed.
  • a cut portion 70 for opening with a perforation or the like for facilitating opening is formed. Furthermore, it is desirable that the cut portion is provided in a range Z 1 extending from a lower end of a portion where the finger hook hole 47 is formed in the top surface portion 44 extending from the front surface 46 or the back surface 46 to the grip portion 45 to the front surface 46 or the back surface 46 . In the top surface portion 44 , a force applied to the top surface portion 44 when a finger is hooked into the finger hook hole 47 and lifted varies depending on a position of the finger hook hole 47 .
  • a pulling force in the region Z 1 extending from the lower end of the portion where the finger hook hole 47 of the grip portion 45 is formed to the front surface 46 and the back surface 46 is smaller than that in a region extending from a lower end of a portion where the finger hook hole 47 is not formed to the front surface 26 and the back surface 26 .
  • the top surface portion 44 is a portion easily visible to a user.
  • the shape of the cut portion is not particularly limited, but as in the illustrated example, it is desirable that the cut portion has a shape protruding toward the grip portion side, for example, a substantially arc shape. With this shape, a picking piece 70 A is formed by pressing the cut portion 70 to tear a perforation or the like. When the picking piece 70 A is pulled in a bottom surface direction, an opening port is easily formed on a front surface or a back surface of the gusset packaging bag as illustrated in FIG. 8 . A cut tie ratio of the perforation only needs to be appropriately designed.
  • the gusset packaging film 14 is a polypropylene film or a polyethylene film from viewpoints of cost and an opening property.
  • the film preferably has a melting point of 150° C. or lower. Note that a lower melting point of the packaging film makes a thermal fusion treatment possible at a lower temperature, and is more preferable in sealing and forming a grip portion. However, when the melting point is excessively low, the packaging film is more likely to be scratched or a hole is more likely to be formed in the packaging film particularly due to friction or the like with four corner portions 4 t of the end surface 4 A of the film-packaged tissue 1 . Therefore, a substantial lower limit is 80° C.
  • polyethylene film examples include a linear low-density polyethylene film (LLDPE), a low-density polyethylene film (LDPE), and a medium-density polyethylene film (MDPE).
  • LLDPE linear low-density polyethylene film
  • MDPE medium-density polyethylene film
  • a linear low-density polyethylene film layer (LLDPE) having a density of 0.910 to 0.940 g/cm 3 and a melting point of 110 to 120° C. is particularly suitable from viewpoints of thermal fusibility and cost.
  • a single-layer film of a polyethylene terephthalate film, a nylon film, a polyvinylidene chloride film, or an ethylene vinyl alcohol copolymer, a laminate film obtained by appropriately stacking these films, or a gas barrier film obtained by subjecting any of these films to a surface treatment such as aluminum vapor deposition may be used.
  • a biomass film derived from a plant raw material such as sugar cane, potato (starch), or corn can also be used. It is also desirable to use a biomass film for the gusset packaging film from a viewpoint of environmental protection.
  • the thickness of the gusset packaging film 14 constituting the gusset packaging bag 13 is appropriately selected in consideration of a relationship with the contained film-packaged tissue 1 in addition to circumstances peculiar to gusset packaging, such as tearability that makes opening easy at the time of opening, abrasion resistance particularly to the four corner portions 4 t of the end surface of the contained film-packaged tissue 1 , and flexibility that prevents application of an excessive load to a finger when the gusset packaging bag 13 is carried with a finger through the finger hook hole formed in the grip portion in addition to flexibility, cost, and thermal fusibility at the time of packaging.
  • a thickness measured in conform with JIS P 8118 (1998) is 10 to 65 ⁇ m
  • a softness measured in conform with a handle-o-meter method in accordance with JIS L 1096 (2010) E method is 5.0 to 50.0 cN.
  • the softness of the gusset packaging film 14 constituting the gusset packaging bag 13 is lower than the softness of the packaging film 4 constituting the film-packaged tissue 1 .
  • the gusset packaging bag 13 having the grip portion on the top surface side when the grip portion 45 is held, the gusset packaging bag 13 is pulled in the top-bottom direction. Therefore, pressure may be applied to the film-packaged tissues 1 , 1 . . . , which is a packaging object to be contained at this time.
  • the rectangular parallelepiped shape of the film-packaged tissue 1 to be contained is hardly deformed, fullness is hardly reduced without pressing the bundle 3 inside, and a take-out property such as a pop-up property is hardly deteriorated.
  • the plurality of film-packaged tissues 1 , 1 . . . is arranged so as to form a substantially rectangular parallelepipedon as a whole such that the end surfaces 4 A are substantially flush with each other and long side surfaces 4 B are substantially flush with each other.
  • the film-packaged tissues 1 , 1 . . . are arranged in a substantially rectangular parallelepipedon in this manner, stability and shape retention as a whole of the assembly are enhanced, and the assembly is hardly collapsed or crushed by an external force.
  • the assembly of the film-packaged tissues 1 has a rectangular parallelepiped shape in which an end surface assembly surface having high rigidity is formed on each of a top surface and a bottom surface. Therefore, the film-packaged tissues 1 is less likely to be crushed or damaged by an external force particularly from the top-bottom direction is reduced.
  • the arrangement of the film-packaged tissues 1 in the film-packaged tissue assembly package 10 according to the present invention is not limited to this mode.
  • a ridge line 14 E between the gusset portion 43 and the front surface 46 and a ridge line 14 E between the gusset portion 43 and the back surface 46 which are fold lines 14 E when the gusset packaging bag 13 is a gusset tube as a precursor of the packaging bag, may be fragile. As illustrated in FIG.
  • a gusset tube 40 in which one sheet is formed into a tubular shape and end edges thereof are bonded to each other to form a tube, and one of the fold lines 14 E is an adhesive edge portion 49 .
  • the fold line 14 E related to the adhesive edge portion 49 is easily torn.
  • a slight gap is formed on the top surface side. Therefore, restraint performance of a packaging object in the top-bottom direction tends to be weaker than that in a direction orthogonal to the top-bottom direction.
  • the four corner portions 4 t of the end surface 4 A formed by the tube opening sealing portion has high rigidity and tends to be sharp.
  • a film-packaged tissue used as a stationary type having a larger mass as compared with a portable film-packaged tissue for example, as illustrated in FIG. 11 as a comparative embodiment
  • a mode 110 A in which film-packaged tissues 101 A each having an end surface 104 A sealing a tube opening of overlap packaging are stacked and arranged such that the end surface 104 faces a direction orthogonal to a top-bottom direction similarly to a conventional box product four corner portions 104 t of a large number of the end surfaces 104 A are rubbed against a gusset packaging bag, the film-packaged tissue 101 A is not sufficiently restrained in a space on a top surface side and moves in a gusset packaging bag 113 when the gusset packaging bag 113 is carried with a grip portion 145 , the four corner portions 104 t of the large number of end surfaces 104 A of the film-packaged tissues 101 A are rubbed against the gusset packaging bag 113 , and particularly
  • the film-packaged tissues 1 , 1 . . . are packaged such that each end surface 4 A faces the top surface side where the grip portion 45 is formed and the bottom surface side facing the top surface side, and the longitudinal direction is along the top-bottom direction, such a risk is much smaller.
  • the film-packaged tissues are arranged in two or less stages in the top-bottom direction. When the number of stages of the film-packaged tissues 1 exceeds two in the top-bottom direction, shape maintainability of the assembly package is deteriorated.
  • the longitudinal direction of the film-packaged tissue 1 is a direction along the top-bottom direction
  • the number of stages exceeds two and is three or more
  • a standing property in the top-bottom direction is deteriorated
  • a gap is easily generated between the stages, and rubbing between the gusset packaging film 14 and the film-packaged tissues 1 easily occurs.
  • the number of easily contacting portions between the four corner portions 4 t of the end surfaces 4 A of the film-packaged tissues 1 and the gusset packaging film 14 also increases, a risk of breakage of the gusset packaging film 14 increases.
  • the arrangement mode according to the present invention is superior to a mode in which film-packaged tissues 1 are stacked such that the end surfaces 4 A face a direction orthogonal to the top-bottom direction like a reference embodiment.
  • the number of arrangement rows of the film-packaged tissues 1 in the direction orthogonal to the top-bottom direction is not particularly limited, but it is desirable that the number is six or less.
  • a preferred mode as illustrated in FIG. 1 , a total of five or six arrangement mode in which film-packaged tissues are arranged in one stage in the top-bottom direction, and five rows of film-packaged tissues or six rows of film-packaged tissues (not illustrated) are arranged in the direction orthogonal to the top-bottom direction, or as illustrated in FIG.
  • a total of ten or twelve arrangement mode in which film-packaged tissues are arranged in two stages in the top-bottom direction, and five rows of film-packaged tissues or six rows of film-packaged tissues (not illustrated) are arranged in the direction orthogonal to the top-bottom direction is preferable.
  • a total of ten or twelve arrangement mode in which film-packaged tissues are arranged in one stage in the top-bottom direction, five or six rows of film-packaged tissues are arranged in the direction orthogonal to the top-bottom direction, and two rows of film-packaged tissues are further arranged in a front surface-back surface direction is preferable.
  • the film-packaged tissues 1 each have a bundle filling ratio of 100% or more.
  • the bundle filling ratio is a ratio of the height of the bundle 3 taken out from the packaging film 4 to the height of the film-packaged tissue 1 .
  • the film-packaged tissue 1 is subjected to humidity control for 24 hours under an environment of a standard state of 23° C. ⁇ 1° C. and a humidity of 50 ⁇ 2% r.h according to JIS P 8111, and then placed on a horizontal table with an upper surface upward to measure the height of the film-packaged tissue 1 .
  • An average value of measured values obtained by measuring a distance L 1 between sharp portions of the four corner portions 4 t of the end surface 4 A at four places is used.
  • the bundle 3 is taken out from the film-packaged tissue 1 , subjected to humidity control for 24 hours under an environment of a standard state of 23° C. ⁇ 1° C. and a humidity of 50 ⁇ 2% r.h according to JIS P 8111, and then placed on a horizontal table with an upper surface upward to measure the height of the bundle 3 .
  • An average value of measured values obtained by measuring a distance between the four corner portions of the short side surface 3 A facing the end surface 4 A at four places is used.
  • a ratio of the height of the bundle 3 taken out from the packaging film 4 to the height of the film-packaged tissue 1 is calculated from the measured values.
  • the bundle 3 pushes the packaging film 4 from the inside.
  • the end surface 4 A has high rigidity and is hardly stretched or deformed.
  • portions facing upper and lower surfaces and a longitudinal side surface of the bundle 3 of the packaging film 4 have flexibility, and therefore these positions and a longitudinal edge 1 E are deformed so as to slightly protrude.
  • the film-packaged tissues 1 in which the longitudinal edge 1 E protrudes in this manner are formed into assembly packaging toward the top surface side where the grip portion 45 is formed and the bottom surface side facing the top surface side such that the longitudinal direction is along the top-bottom direction
  • the four corner portions 4 t of the end surface 4 A hardly comes into contact with the gusset packaging film 14 constituting the gusset packaging bag 13 due to protrusion of the longitudinal edge 1 E, and the gusset packaging bag 13 is less likely to be broken.
  • the film-packaged tissue assembly arranged in the gusset packaging bag has a compression ratio of 80% or more in a direction orthogonal to the top-bottom direction.
  • the compression ratio in the direction orthogonal to the top-bottom direction is (a distance between the gusset portions of the gusset packaging bag (a width of the front surface or the back surface)) L 2 to (a length of the film-packaged tissue assembly in the direction orthogonal to the top-bottom direction when the film-packaged tissue assembly is not packaged) when packaging is performed such that the gusset portions 43 of the gusset packaging bag 14 face upper and lower surfaces 3 C of the film-packaged tissue 1 .
  • the length of the film-packaged tissue assembly in the direction orthogonal to the top-bottom direction when the film-packaged tissue assembly is not packaged is calculated by (a height of one film-packaged tissue in an upper surface-lower surface direction) ⁇ (the number of rows in the direction orthogonal to the top-bottom direction).
  • the height of one film-packaged tissue in the upper surface-lower surface direction is measured as follows unlike the height in the bundle filling ratio.
  • the individual film-packaged tissue 1 is taken out from the film-packaged tissue assembly package 10 , and is subjected to humidity control for 24 hours under an environment of a standard state of 23° C. ⁇ 1° C. and a humidity of 50 ⁇ 2% r.h according to JIS P 8111.
  • the film-packaged tissue 1 is placed on a horizontal table, and a hard acrylic plate having a size protruding in a range of 5 cm or less from each edge (short side edge and long side edge) of an upper surface of the bundle is placed on an upper surface of the bundle 3 .
  • the size of the acrylic plate only needs to be 250 mm ⁇ 130 mm.
  • the mass is 32 g or less.
  • the heights of four corners of the acrylic plate from the horizontal table are measured, and an average value thereof is calculated. This measurement is performed on all the film-packaged tissues which have been taken out.
  • a further average value of the calculated average values is defined as the height of one film-packaged tissue 1 in the upper surface-lower surface direction.
  • a value obtained by multiplying the calculated value by the number of rows is defined as “the length of the film packaging assembly in the direction orthogonal to the top-bottom direction when the film packaging assembly is not packaged”.
  • a distance between the gusset portions 43 of the gusset packaging bag 13 is measured.
  • an average value of values obtained by measuring the width of the front surface 46 (between fold lines on the front surface) at three places and measuring the width of the back surface 46 (between fold lines on the back surface) at three places is used.
  • a ratio of a distance between the gusset portions (the width of the front surface or the back surface) of the gusset packaging bag 13 to the length in the direction orthogonal to the top-bottom direction when the film packaging assembly is not packaged is calculated.
  • the compression ratio of the film-packaged tissue assembly arranged in the gusset packaging bag 13 in the direction orthogonal to the top-bottom direction exceeds 90%, the compression ratio is too high, and the end surface 4 A is easily distorted, and the fullness of the tissue paper 2 is easily reduced.
  • An upper limit of the compression ratio is not particularly limited in the packaging mode of the present invention.
  • the film-packaged tissue only needs not to be excessively move in the gusset packaging bag.
  • the compression ratio is not necessarily 100% or less.
  • the compression ratio is 100% or less, movement of the film-packaged tissue assembly is restrained by an exterior film constituting the gusset packaging bag, the exterior film is hardly broken, and furthermore, the assembly package is hardly collapsed, and the shape retention of the rectangular parallelepipedon is enhanced. Therefore, it is more desirable that the compression ratio is 100% or less.
  • each of sheets of the tissue paper 2 constituting the bundle 3 packaged in the film-packaged tissue 1 has a ply structure in which two or three thin sheets each having a crepe are stacked and formed into a set.
  • This tissue paper 2 is a dry type, and not a so-called wet type impregnated with a liquid chemical. Therefore, the bundle 3 formed by the tissue paper 2 contains a large amount of air.
  • the dry type tissue paper 2 there is also liquid chemical-imparting type tissue paper to which a liquid chemical such as a moisturizing component that increases moisture by moisture absorption, such as a polyol represented by glycerin, is applied, and such tissue paper is included in the dry type tissue paper 2 .
  • liquid chemical-imparting type tissue paper has a low restoring property when being compressed due to a high moisture content, the action and effect of the present invention with less reduction in fullness are more effectively exhibited.
  • the moisture content of the liquid chemical-imparting type tissue paper is about 10 to 14% by mass.
  • the moisture content is a ratio of moisture contained in tissue paper in a standard state.
  • a pulp obtained by blending NBKP and LBKP is used as a raw material pulp of thin sheets constituting the tissue paper 2 .
  • the raw material pulp may contain a used paper pulp, but preferably contains only NBKP and LBKP from a viewpoint of texture or the like.
  • a basis weight per thin sheet constituting each ply of the tissue paper 2 is 10 to 25 g/m 2 .
  • the basis weight is preferably 12 to 18 g/m 2 .
  • the basis weight here is measured by the measurement method of JIS P 8124 (1998).
  • the paper thickness of the tissue paper 2 for two plies is 90 to 200 ⁇ m, and more preferably 90 to 140 ⁇ m.
  • the paper thickness for three plies is 120 to 300 ⁇ m.
  • the paper thickness here is a value obtained by sufficiently subjecting a test piece to humidity control under conditions of JIS P 8111 (1998), and then measuring the paper thickness in a state of a plurality of plies using a dial thickness gauge (thickness measuring instrument) “PEACOCK G type” (manufactured by Ozaki MFG. Co. Ltd.) and its equivalent machine under the same conditions.
  • Tissue paper having the above basis weight and paper thickness sufficiently exhibits an effect thereof particularly without reducing fullness when the tissue paper is formed into an assembly package having a low compression ratio according to the present invention.
  • the top-bottom direction and the up-down direction in the present invention and the present specification are appropriately changed depending on the directions of the film-packaged tissue assembly package and the film-packaged tissue, and do not mean absolute directions.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Packages (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Sanitary Thin Papers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
US17/612,338 2019-06-28 2020-06-19 Film-packaged tissue assembly package Abandoned US20220258939A1 (en)

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JP2019121773A JP7317595B2 (ja) 2019-06-28 2019-06-28 フィルム包装ティシュー集合包装体
JP2019-121773 2019-06-28
PCT/JP2020/024147 WO2020262236A1 (ja) 2019-06-28 2020-06-19 フィルム包装ティシュー集合包装体

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JP2022156859A (ja) * 2021-03-31 2022-10-14 大王製紙株式会社 包装体
JP2022156860A (ja) * 2021-03-31 2022-10-14 大王製紙株式会社 包装体
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CN113874291B (zh) 2024-05-10
CN113874291A (zh) 2021-12-31

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