EP1204570B1 - Carton de distribution pour produits en feuille de papier - Google Patents

Carton de distribution pour produits en feuille de papier Download PDF

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Publication number
EP1204570B1
EP1204570B1 EP99940928A EP99940928A EP1204570B1 EP 1204570 B1 EP1204570 B1 EP 1204570B1 EP 99940928 A EP99940928 A EP 99940928A EP 99940928 A EP99940928 A EP 99940928A EP 1204570 B1 EP1204570 B1 EP 1204570B1
Authority
EP
European Patent Office
Prior art keywords
carton
dispensing
sheets
clip
side walls
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.)
Revoked
Application number
EP99940928A
Other languages
German (de)
English (en)
Other versions
EP1204570A1 (fr
Inventor
Monica Ho
Diana Jobson Cheshire
James Edwin Cartledge Jr.
Sumie Goto
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.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22273341&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1204570(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of EP1204570A1 publication Critical patent/EP1204570A1/fr
Application granted granted Critical
Publication of EP1204570B1 publication Critical patent/EP1204570B1/fr
Anticipated expiration legal-status Critical
Revoked 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
    • B65D83/0847—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture at the junction of two walls

Definitions

  • the present invention relates to a dispensing carton for paper sheet products. More specifically, the present invention relates to a carton that provides reduced dynamic friction between the carton and the sheets during dispensing, resulting in easier dispensing and less tearing of the paper sheets during dispensing, particularly for the uppermost sheets that are contained in the carton.
  • Such conventional cartons are available in a variety of designs and shapes, but they can generally be classified as either one of two basic styles.
  • One style is the flat carton and the other is the upright carton.
  • the sheets are laid flat in the bottom of the carton and are withdrawn from the top of the carton or through an opening in the top which partially extends down the front sidewall.
  • the sheets within the carton may interfolded for pop-up dispensing or merely laid on top of each other for reach-in dispensing.
  • the sheets are folded into an inverted u-shaped clip and are interfered for pop-up dispensing.
  • the sheets are withdrawn through a dispensing opening in the top of the carton, which may contain a poly film having a slit to hold the consecutively popped up tissues in place.
  • the present invention relates to a dispensing carton containing a clip of interfolded sheets of a paper product, comprising: (a) a top wall having a dispensing opening through which the sheets are withdrawn from the carton; (b) two pairs of opposing side walls; (c) a bottom wall; (d) a dynamic friction reduction material affixed to at least a portion of the inner surfaces of at least one of the pairs of opposing side walls; wherein the dispensing force required to dispense a sheet from the carton is reduced.
  • FIG. 1 A perspective view of a commercially available upright facial tissue carton having a top wall 1, a bottom wall (not shown), and four side walls (two of which are shown, numbered side walls 2 and 3), is shown in Fig. 1.
  • the top wall 1 contains an oval carton opening 5 overlaid with a plastic film 6 have a dispensing opening slit 7.
  • Within the carton is an inverted u-shaped clip of interfolded tissues 8 indicated by the phantom lines.
  • the machine direction of the tissues within the clip as viewed from the top of the carton, is parallel to the direction of the dispensing opening slit 7.
  • the top tissue in the clip is grasped by the user and is withdrawn through the slit. Removal of the top tissue causes the adjacent interfolded tissue, next in line to be dispensed, to be partially pulled through the slit.
  • the partially dispensed tissue 9 is held in a popped-up position by the edges of the slit 7.
  • Fig. 2 is a plan view of a preferred embodiment of a carton blank 50 according to the present invention.
  • the surface of the blank 50 that will form the inner surfaces of the assembled carton 200 is shown in Fig. 2.
  • the blank 50 is comprised of a top wall panel 10, a bottom wall panel 11, side wall panels 12, 13a, 13b, 14, 15a, and 15b.
  • the various component panels of the carton blank 50 of the present invention may be assembled in any manner known to those of skill in the art, e.g., by using adhesive or sealant located at areas 16a and 16b shown on Fig. 2.
  • the number and configuration of panels that make up the carton blank 50 of the present invention can vary as is known to those of skill in the art, and need not be limited to the configuration illustrated in Fig. 2.
  • the carton blank is also provided with a dispensing opening 18.
  • the dispensing opening 18 is located in at least the top wall panel 10 of the carton blank 50 and may further extend into one or both of the side wall panels 12 and/or 14, as shown in Fig. 2.
  • the dispensing opening 18 is preferably of an oval shape for ease of dispensing, but the present invention is not limited to dispensing openings having an oval shape, and it should be noted that any shape is within the scope of the present invention.
  • the dispensing opening 18 is preferably overlaid with a plastic film 22 having a slit 24.
  • the slitted film 22 can hold a popped-up tissue 90 (see Fig. 3) in place for dispensing and can further provide protection from dust, etc. for the remainder of the contents that would otherwise be exposed to the ambient conditions.
  • the use of such a film 22 has been known in conventional tissue cartons, see, e.g., US 5,414,320. However, such a film 22 does not provide benefits in terms of ease of dispensing or in terms of reducing the number of tears upon dispensing.
  • a portion of the inner surface of the blank 50 (and, therefore, of the assembled carton 200) is provided with a dynamic friction reduction material 20a, 20b.
  • This material 20 is affixed to at least a portion of the inner surfaces of two of the four side walls; i.e., to the inner surfaces of at least one pair of opposing side walls.
  • these are the two side walls that have the greatest amount of surface to surface contact with the clip of paper sheets placed in the assembled carton.
  • these walls are formed from panels 12 and 14.
  • Fig. 3 shows the blank 50 of Fig. 2 in its assembled state.
  • the carton 200 is comprised of a top wall 100, a bottom wall (not shown), and four side walls (i.e., two pairs of opposing side walls 120 and 140; and 130 and 150), two of the four side walls being shown and numbered as side walls 120 and 150.
  • the top wall 100 contains an oval dispensing opening 180.
  • Within the carton is an inverted u-shaped clip of interfolded paper sheets 280 as indicated by phantom lines.
  • the machine direction of the paper sheets within the clip, as viewed from the top of the carton, is preferably parallel to the direction of the dispensing opening slit 240.
  • the exact geometry of the slit 240 is not important herein, and may be provided as known to those of skill in the art.
  • the side wall 120 is one of the two side walls that has the greatest amount of surface to surface contact with the paper sheets forming the clip 280; the side wall 140 that is opposed to the side wall 120 also has surface to surface contact with the paper sheets in the clip, but side wall 140 cannot be seen in Fig. 3.
  • the side wall 150 is one of the two side walls 130 and 150 (side wall 130 cannot be seen in Fig. 3) that does not have a large amount of surface to surface contact with the paper sheets in the clip 80.
  • the side wall panels that have will have the greatest amount of contact with the paper sheets of clip 280 when the carton is assembled are numbered 12 and 14; these are the side walls that should preferably be provided with the dynamic friction reduction material 20.
  • the material 20 need not cover the entire inner surfaces of the side wall panels 12 and 14.
  • the material 20a, 20b extends at least from imaginary lines 17a, 17b drawn tangent to the dispensing opening in the cross direction CD, and in the machine direction MD toward the lower edges 19a and 19b of the side wall panels 12 and 14 (i.e., where the side wall panels adjoin the bottom wall 11; in the case of side wall 12, after assembly).
  • the material 20a, b should extend down the side wall to the approximate location of the machine direction edge of the uppermost paper sheet in the clip of sheets that is inserted in the assembled carton. Referring to Figs. 2 and 3, this location is indicated by the imaginary lines "A-A".
  • the friction reduction material 20 may also be affixed to the inner surface of the top wall panel 10 of the carton.
  • one continuous piece of material may be used to cover the top wall panel 10, the side wall panel 12 and the side wall panel 13.
  • a continuous piece would be comprised of sections 20a, 22, and 20b, referring to Fig. 2.
  • the friction reduction material 20 is provided as a thin film.
  • the stiffness/softness and/or the thickness of the film affects dispensibility.
  • the film is preferably a teflon, a polypropylene, a polystyrene, or a polyethylene film.
  • the assembled carton dimensions are approximately 12 cm in width, 16 cm in height, and 11.2 cm in length.
  • the dimensions of the friction reduction material that are used on the side wall panels, and also on the top wall panel, are approximately 11 cm by 37.2 cm (one continuous section of the friction reduction material).
  • the carton material is a 50 ⁇ m recycled paperboard, and the friction reduction material is a 50 ⁇ m low density polyethylene film. In this embodiment, the friction reduction material also serves to cover the dispensing opening of the carton for preventing contamination and fallback.
  • the walls themselves may be made from a material that provides reduced dynamic friction as the sheets are removed. In this embodiment, there is no need to affix an additional friction reduction material 20a or 20b to the side walls.
  • Dynamic coefficient of fiction was measured according to the JIS standard test method VCM with a 40 gram load. According to this method, a probe is dragged across a test sample at a certain speed, and dynamic coefficient of friction is measured. The following results are an average for five samples.
  • the force required to remove a paper sheet from a dispensing carton provided with a friction reduction material according to the present invention, and from a conventional carton, is measured as follows. Herein this force is referred to as the "dispensing force.”
  • Dispensing force is measured according to the (modified) JIS standard test method JIS B7721, General Pulling Test.
  • the Conditioning Room is temperature and humidity controlled within the following limits: (1) relative humidity ⁇ 2%; and (2) temperature 22.78°C ⁇ 1.1 °C (73°F ⁇ 2°F).
  • the force tester is a Sintech Frame Instron #5564 with 100 Newton load cell, plexiglass sample holder, and jaw with two flat faces.
  • the plexiglass sample holder is installed in the lower position of the Instron.
  • the jaw is installed with the two flat faces in the upper position, and the air supply is connected.
  • the upper jaw orientation should allow the jaw to close from side to side. This allows increased visual alignment when positioning the paper sheets.
  • the "Simple Tensile Test” is an appropriate method with variations based on the data that is needed. For example, a setting for the in/min crosshead speed that is appropriate herein is 98. This more closely represents consumer removal patterns than the slower settings. In addition the gauge length should be determined by the height of the carton being tested.
  • Samples should be conditioned about 2 hours prior to testing. Cartons should be opened either by removing any poly overwrap or by removing the tear panel.
  • the placement orientation in the plexiglass holder should be consistent, for example, by placing the carton in the holder with the opening centered under the jaw. (It may also be helpful if the code date on the carton is always oriented to the same side.)
  • the tissue fold Prior to carton placement in the holder, the tissue fold should be loosened or pulled up just enough so that the jaw can grasp it. Care should be used not to bias the test by loosening the tissue too much.
  • the jaw should be lowered and the tissue positioned in the jaw. The first pull may be somewhat difficult due to the jaw placement and the tightness of the tissue in the carton. Once the tissue has been secured in the jaw and the carton placement is centered, the test is started. After the initial pull, positioning the tissue in the jaw will become easier.
  • Paper towel substrates are approximately 22.5 cm (9 inches) x 26.25 cm (10.5 inches); PUFFS substrates are approximately 22 cm (8.8 inches) x 20.5 cm (8.2 inches).
  • the average coefficient of dynamic friction for the carton inner wall is reduced by the addition of the dynamic friction reduction material, e.g. from 0.43 to 0.22 (by about 50%), and the dispensing force is at least reduced to less than the tear strength of a sheet contained in the carton, e.g., dispensing force is decreased up to over 50%.
  • the dynamic friction reduction material e.g. from 0.43 to 0.22 (by about 50%)
  • the dispensing force is at least reduced to less than the tear strength of a sheet contained in the carton, e.g., dispensing force is decreased up to over 50%.
  • the embodiments disclosed herein provide the advantages of ease of dispensing and less sheet tearing during dispensing without having to reduce the number of sheets that are packed into a carton.
  • the preferred embodiments herein are also cost effective and easy to manufacture.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Claims (10)

  1. Carton de distribution contenant une liasse pincée de feuilles repliées entre elles d'un produit de papier (8), comprenant :
    a) une paroi supérieure (1) ayant une ouverture de distribution (5) à travers laquelle les feuilles sont retirées du carton;
    b) deux paires de parois latérales opposées (12, 13, 14, 15);
    c) une paroi inférieure;
    caractérisé en ce que ledit carton comprend en outre
    d) une matière réduisant le frottement dynamique (20), fixée à au moins une portion des surfaces internes d'au moins l'une des paires de parois latérales opposées; et
    dans lequel la force de distribution nécessaire à distribuer une feuille de carton est réduite.
  2. Carton selon la revendication 1, dans lequel l'ouverture de distribution (5) est recouverte d'un film (6) de matière plastique, ayant une fente (7) par laquelle sont distribuées les feuilles.
  3. Carton selon la revendication 2, dans lequel l'ouverture de distribution (5) s'étend en outre dans les parois latérales qui sont pourvues de la matière réduisant le frottement (20).
  4. Carton selon la revendication 1, dans lequel la matière réduisant le frottement (20) est choisie dans le groupe formé par les téflons, les polystyrènes, les polypropylènes, et les polyéthylènes.
  5. Carton selon la revendication 1, dans lequel la matière réduisant le frottement (20) s'étend en descendant les parois latérales dans la direction de la paroi inférieure vers la position approximative du bord dans la direction de la machine, de la feuille de papier en dessus dans la liasse pincée de feuilles que l'on insère dans le carton.
  6. Carton selon la revendication 1, dans lequel la liasse pincée (8) se compose de feuilles entrelacées de serviettes en papier.
  7. Carton selon la revendication 1, dans lequel la liasse pincée (8) se compose de feuilles entrelacées de papiers mouchoirs.
  8. Carton selon la revendication 1, dans lequel la force de distribution est au moins réduite à moins que la résistance au déchirement d'une feuille contenue dans le carton.
  9. Carton selon la revendication 8, dans lequel la force de distribution est diminuée jusqu'à plus de 50 %.
  10. Carton selon la revendication 1, où le coefficient moyen de frottement dynamique pour la paroi interne du carton (50) est réduit d'environ 50 %.
EP99940928A 1999-08-05 1999-08-05 Carton de distribution pour produits en feuille de papier Revoked EP1204570B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1999/017854 WO2001010740A1 (fr) 1999-08-05 1999-08-05 Carton de distribution pour produits en feuille de papier

Publications (2)

Publication Number Publication Date
EP1204570A1 EP1204570A1 (fr) 2002-05-15
EP1204570B1 true EP1204570B1 (fr) 2004-10-20

Family

ID=22273341

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99940928A Revoked EP1204570B1 (fr) 1999-08-05 1999-08-05 Carton de distribution pour produits en feuille de papier

Country Status (8)

Country Link
EP (1) EP1204570B1 (fr)
JP (1) JP2003506283A (fr)
AT (1) ATE280101T1 (fr)
AU (1) AU5468799A (fr)
CA (1) CA2380588C (fr)
DE (1) DE69921373T2 (fr)
TW (1) TW433994B (fr)
WO (1) WO2001010740A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9649830B2 (en) 2008-12-03 2017-05-16 The Procter & Gamble Company Bonded fibrous sanitary tissue products and methods for making same
EP3601097A1 (fr) * 2017-03-29 2020-02-05 Essity Hygiene and Health Aktiebolag Distributeur pour produits en feuille et procédé de fabrication du distributeur
JP2021066511A (ja) * 2019-10-28 2021-04-30 王子ホールディングス株式会社 衛生用品
TWI819830B (zh) * 2022-09-30 2023-10-21 永豐餘消費品實業股份有限公司 紙張分配裝置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2082199C (fr) * 1992-06-30 2002-04-09 Hans Gunter Kurt Boldt Boite de distribution de papiers-mouchoirs
US5415320A (en) * 1993-09-20 1995-05-16 Kimberly-Clark Corporation Upright facial tissue carton

Also Published As

Publication number Publication date
TW433994B (en) 2001-05-16
WO2001010740A1 (fr) 2001-02-15
AU5468799A (en) 2001-03-05
EP1204570A1 (fr) 2002-05-15
DE69921373D1 (de) 2004-11-25
CA2380588C (fr) 2006-01-24
CA2380588A1 (fr) 2001-02-15
ATE280101T1 (de) 2004-11-15
JP2003506283A (ja) 2003-02-18
DE69921373T2 (de) 2005-10-13

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