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WO2000013981A1 - Configuration d'epaule d'un tube - Google Patents

Configuration d'epaule d'un tube Download PDF

Info

Publication number
WO2000013981A1
WO2000013981A1 PCT/US1999/020108 US9920108W WO0013981A1 WO 2000013981 A1 WO2000013981 A1 WO 2000013981A1 US 9920108 W US9920108 W US 9920108W WO 0013981 A1 WO0013981 A1 WO 0013981A1
Authority
WO
WIPO (PCT)
Prior art keywords
tube
extension
shoulder
nozzle
dentifrice
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.)
Ceased
Application number
PCT/US1999/020108
Other languages
English (en)
Inventor
John Geoffrey Chan
Li Li
Lawrence Joseph AUBERT
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
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Priority to EP99946724A priority Critical patent/EP1124732A1/fr
Priority to CA002341404A priority patent/CA2341404A1/fr
Priority to AU59069/99A priority patent/AU5906999A/en
Priority to HU0103539A priority patent/HUP0103539A3/hu
Publication of WO2000013981A1 publication Critical patent/WO2000013981A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/24—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor with auxiliary 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
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/02—Body construction
    • B65D35/12—Connections between body and closure-receiving bush

Definitions

  • the present invention relates to a shoulder design for tubes. More specifically, the present invention relates to a shoulder design for tubes wherein the dispensed amount of the product contained in the shoulder area of the tube is minimized, and is particularly useful for tubes containing dentifrice compositions such as toothpastes.
  • Packaging for consumer products has previously been provided in the form of tubes and has been used to contain various types of products, e.g., food products, hair care products, cosmetic products, and dentifrice compositions such as toothpastes, gels, or combinations containing part paste and part gel.
  • Such tubes are generally formed with a shoulder area at which the tube body narrows down to a nozzle having an orifice that can be resealably closed or capped.
  • tubes formed from laminates comprising plastics such as polyethylenes, and sometimes additionally containing a foil or acetate layer have previously been provided.
  • the dentifrice products contained therein typically include flavor additives for enhancing consumer acceptance of the product, in addition to the effective ingredients that promote oral health.
  • the dentifrice contained in such laminate tubes may lose some of this flavor due to absorption and transmission losses into the packaging materials that comprise the tube.
  • This flavor loss effect tends to be particularly pronounced for the portion of the dentifrice that is contained in the shoulder area of the tube, which is also the portion that is first dispensed by the user. This is due to the fact that the flavor migration rate of the product in the shoulder area of the tube tends to be slower than that of its transmission rate though the shoulder material.
  • a loss or alteration of the original flavor characteristic can be perceived by many consumers, especially for product dispensed during the first few squeezes of the tube.
  • the consumer's perception of the product or the brand as a whole may be significantly and negatively influenced during the initial uses of the product, despite the fact that the original flavor characteristic of the remainder of the product is substantially unaffected.
  • the present invention is directed to a tube for containing and dispensing a contents, comprising: (a) a body portion; (b) a shoulder portion sealingly attached to the body portion, the shoulder portion and the body portion bounding a shoulder area in the interior of the tube, and the shoulder portion provided with at least one extension extending into the interior of the tube from the shoulder portion in the direction of the body portion; and (c) a nozzle sealingly attached to the shoulder portion and provided with an orifice through which the contents can be dispensed; wherein the contents contained in the shoulder area of the tube are substantially prevented from being dispensed when the tube is squeezed.
  • Fig. 1 shows a partial sectional view of a preferred embodiment of the tube of the present invention
  • Figs. 2a-c show a qualitative comparison of the initial dispensing of a dentifrice from a conventional tube and from a tube according to the present invention
  • Figs. 3-7 show partial sectional views of additional preferred embodiments of the tube of the present invention
  • Fig. 8 is a graphical representation of the percentage of flavor additive present per dispensed gram of a dentifrice, showing conventional tube profiles and a profile for a preferred embodiment of the present invention.
  • the tube may be useful for containing and dispensing other products where it is desirable to prevent the portion of the product contained in the shoulder area from being dispensed, for example, food products, hair care products, cosmetic products, and the like.
  • the use of the term "dentifrice” herein should be understood to non-limitingly include oral care compositions such as toothpastes, gels, and combinations of such pastes and gels.
  • suitable materials from which the tube body 12 may be comprised include polyethylenes, such as low density polyethylene (“LDPE”), linear low density polyethylene (“LLDPE”), and high density polyethylene (“HDPE”), ethylene acrylic acid (“EAA”), foils, such as aluminum foil, or any of the above materials in any combination, for example, formed as a laminate structure.
  • polyethylenes such as low density polyethylene (“LDPE”), linear low density polyethylene (“LLDPE”), and high density polyethylene (“HDPE”), ethylene acrylic acid (“EAA”), foils, such as aluminum foil, or any of the above materials in any combination, for example, formed as a laminate structure.
  • LDPE low density polyethylene
  • LLDPE linear low density polyethylene
  • HDPE high density polyethylene
  • EAA ethylene acrylic acid
  • foils such as aluminum foil, or any of the above materials in any combination, for example, formed as a laminate structure.
  • the shoulder portion 14 is further comprised of an inward extension 18.
  • the inward extension 18, the shoulder 14, and the nozzle 16 are all formed from a unitary piece of material (e.g., by injection molding) as shown in the Figures; alternatively, they may be comprised of separate pieces fused or otherwise securely attached to each other by any means known to those of skill in the art. In addition, they preferably have the same material composition, but alternatively may be comprised of differing material compositions.
  • At least one extension 18 is located in the interior of the tube 10, and extends from the shoulder portion 14 in the general direction of the body portion 12 (as opposed to extending in the general direction of the nozzle 16). This extension 18 may be provided in various configurations, as will be explained in greater detail below.
  • dentifrice tubes generally contain a barrier insert in the shoulder area, which is intended to provide oxygen and flavor barrier properties to the tube.
  • This barrier insert is typically a pre-molded piece that is placed on a heading tool before the tube body portion itself is put in position.
  • the barrier insert is often made of polybutylene terphthalate, which can withstand the injection pressures and temperatures of the heading plastic, and does not crack in the head.
  • the head plastic portion of the tube which is generally made of HDPE, locks the barrier insert in position as it is bonded to the remainder of the tube body portion.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tubes (AREA)
  • Cosmetics (AREA)

Abstract

Tube (10) destiné à contenir et à distribuer un contenu, comprenant: (a) une partie (12) corps; (b) une partie épaule hermétiquement scellée à la partie corps, la partie épaule et la partie corps délimitant une zone (5) épaule à l'intérieur du tube. La partie épaule est pourvue d'au moins une extension (18) qui se prolonge à l'intérieur du tube à partir de la partie épaule dans la direction de la partie corps; et (c) une buse (16) hermétiquement scellée à la partie épaule et pourvue d'un orifice à travers lequel le contenu peut être distribué, la distribution du contenu, logé dans la zone épaule du tube, étant sensiblement empêchée lorsque le tube est comprimé.
PCT/US1999/020108 1998-09-04 1999-09-03 Configuration d'epaule d'un tube Ceased WO2000013981A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP99946724A EP1124732A1 (fr) 1998-09-04 1999-09-03 Configuration d'epaule d'un tube
CA002341404A CA2341404A1 (fr) 1998-09-04 1999-09-03 Configuration d'epaule d'un tube
AU59069/99A AU5906999A (en) 1998-09-04 1999-09-03 Shoulder design for tube
HU0103539A HUP0103539A3 (en) 1998-09-04 1999-09-03 Shoulder design for tube

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/US1998/018565 WO2000013980A1 (fr) 1998-09-04 1998-09-04 Conception d'epaulement pour tube
USPCT/US98/18565 1998-09-04

Publications (1)

Publication Number Publication Date
WO2000013981A1 true WO2000013981A1 (fr) 2000-03-16

Family

ID=22267837

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/US1998/018565 Ceased WO2000013980A1 (fr) 1998-09-04 1998-09-04 Conception d'epaulement pour tube
PCT/US1999/020108 Ceased WO2000013981A1 (fr) 1998-09-04 1999-09-03 Configuration d'epaule d'un tube

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/US1998/018565 Ceased WO2000013980A1 (fr) 1998-09-04 1998-09-04 Conception d'epaulement pour tube

Country Status (7)

Country Link
EP (1) EP1124732A1 (fr)
CN (1) CN1086989C (fr)
AU (2) AU9223498A (fr)
CA (1) CA2341404A1 (fr)
CZ (1) CZ2001696A3 (fr)
HU (1) HUP0103539A3 (fr)
WO (2) WO2000013980A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9519368D0 (en) 1995-09-22 1995-11-22 Univ Durham Conduit traversing vehicle
CA2449214C (fr) * 2001-07-11 2009-03-10 The Procter & Gamble Company Tube a chambres multiples comportant un element de regulation de flux pour une distribution uniforme de fluides

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT340307B (de) * 1973-08-20 1977-12-12 Blendax Werke Schneider Co Tube
US4493439A (en) * 1981-07-20 1985-01-15 William Ledewitz Collapsible dispensing container
EP0351927A2 (fr) * 1988-07-20 1990-01-24 Colgate-Palmolive Company Emballage pour une produit fluide susceptible de perdre son arôme
EP0351926A2 (fr) * 1988-07-20 1990-01-24 Colgate-Palmolive Company Emballage pour matériau fluide

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT340307B (de) * 1973-08-20 1977-12-12 Blendax Werke Schneider Co Tube
US4493439A (en) * 1981-07-20 1985-01-15 William Ledewitz Collapsible dispensing container
EP0351927A2 (fr) * 1988-07-20 1990-01-24 Colgate-Palmolive Company Emballage pour une produit fluide susceptible de perdre son arôme
EP0351926A2 (fr) * 1988-07-20 1990-01-24 Colgate-Palmolive Company Emballage pour matériau fluide

Also Published As

Publication number Publication date
CZ2001696A3 (cs) 2002-01-16
EP1124732A1 (fr) 2001-08-22
CN1086989C (zh) 2002-07-03
CN1316965A (zh) 2001-10-10
AU5906999A (en) 2000-03-27
CA2341404A1 (fr) 2000-03-16
AU9223498A (en) 2000-03-27
WO2000013980A1 (fr) 2000-03-16
HUP0103539A3 (en) 2003-02-28
HUP0103539A2 (hu) 2002-02-28

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