EP1694573B1 - Tube ameliore en matiere plastique - Google Patents

Tube ameliore en matiere plastique Download PDF

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Publication number
EP1694573B1
EP1694573B1 EP03786204A EP03786204A EP1694573B1 EP 1694573 B1 EP1694573 B1 EP 1694573B1 EP 03786204 A EP03786204 A EP 03786204A EP 03786204 A EP03786204 A EP 03786204A EP 1694573 B1 EP1694573 B1 EP 1694573B1
Authority
EP
European Patent Office
Prior art keywords
tube
hole
passage
opening
reducer element
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
EP03786204A
Other languages
German (de)
English (en)
Other versions
EP1694573A1 (fr
Inventor
Emilio Morini
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.)
Bormioli Rocco SpA
Original Assignee
Bormioli Rocco and Figlio SpA
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=34674539&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1694573(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bormioli Rocco and Figlio SpA filed Critical Bormioli Rocco and Figlio SpA
Priority to EP07014869A priority Critical patent/EP1849710A3/fr
Publication of EP1694573A1 publication Critical patent/EP1694573A1/fr
Application granted granted Critical
Publication of EP1694573B1 publication Critical patent/EP1694573B1/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
    • 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
    • B65D35/04—Body construction made in one piece
    • B65D35/08—Body construction made in one piece from plastics material
    • 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
    • B65D35/36—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 for applying contents to surfaces
    • B65D35/38—Nozzles
    • 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
    • B65D35/42—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 for preventing loss of removable closure members
    • 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
    • B65D35/44—Closures

Definitions

  • the invention relates to an improved tube made of a plastic material, according to the preamble of claim 1.
  • the prior art contains tubes made of a plastic material, which are used in substitution of metal tubes. Reference is made especially to tubes destined to contain fluid products such as cosmetic creams and cosmetic products in general.
  • These tubes usually comprise an open lower part for introduction of the product, which lower part can be permanently closed after the product has been introduced. They also comprise an upper part which includes a passage hole for the exit of the product from the tube. These tubes are made either by welding the upper part, generally produced by injection-moulding, to a drawn cylindrical tube, or by pressing the whole tube in one piece, using plastic material injection techniques in a shaped die.
  • Document GB 847,947 discloses a closure and dispensing arrangement for squeezable containers of a flexible plastic, such as polyethylene, which comprises a polyethylene plug with a disc part and a cylindrical skirt having a barbed annular rib.
  • the polyethylene plug is inserted in the upstanding neck 2 of the container and rib 6 snaps into a groove 7 in the neck.
  • the disc part 4 is then held flat against the rim of the neck.
  • the skirt has in addition a lower flange to engage below the container neck.
  • Document W003099544 discloses to a tube made of polymer material and injection moulded in one piece, comprising a tube body, a tube shoulder and a closure connected to the tube shoulder via a hinge.
  • the tube shoulder has an emptying opening and at least one intake point.
  • the closure has at least one intake point.
  • the tube shoulder comprises material which has flowed in through intake points in both the tube shoulder and the closure.
  • the tubes thus manufactured are sent on to the cosmetic producer who fills them by introducing the product via the open bottom, then welds the tubes closed and removably closes the top part thereof by applying a cap which will enable the user to open the tube to obtain the product in the necessary doses and also to close the tube before a next use thereof.
  • the closure of the passage hole is generally obtained either by a screw-cap screwed onto a thread provided at the passage hole, or by a pressure-fit cap provided with a stalk which inserts sealingly in the passage hole.
  • Production waste is largely due to a manufacturing difficulty relating to the upper part of the tube, especially the passage hole.
  • the part of the die which is shaped to mould the hole is the part which is most stressed by the thrusts generated during the injection stage of the upper part of the tube (in particular the whole tube if it is moulded by injection in a single piece). This leads, after a period of use of the die, to the onset of misalignments which cause intolerable errors in the shapes, the thicknesses and the coaxial qualities of passage-holes of the tubes.
  • the main aim of the present invention is to obviate the above-mentioned drawbacks in the prior art by providing a tube which can be manufactured using dies able to produce a high number of pieces without deteriorating.
  • An advantage of the invention is that it enables a higher standardisation of the dies used for manufacturing the tubes, in particular those dies which are more complex and expensive.
  • the tube of the invention comprises, like known-type tubes, an open lower part 1a, through which producers of the products the tube is destined to contain introduce the product.
  • the lower part of the tube is closable after filling, for example by heat welding.
  • the tube also exhibits an upper part 1b in which a passage hole is afforded for exit of the product from the tube for use by the final user.
  • the tube can be made either by welding the upper part, generally obtained by injection moulding, to a drawn cylindrical tube, or by directly pressing the whole tube by injection of plastic material into a special die.
  • the tube can be of a type comprising a threaded mouth 1c, cylindrical in shape and receiving a screw-cap at its top. This type of tube is illustrated in figures 1, 2 and 3.
  • the known-type tubes exhibit various overall dimensions which depend on a volume of product to be inserted therein, and various passage-hole diameters depending on a quantity of product to be extracted from the tube.
  • the upper part 1b of the tube comprises an opening 3 which is larger than dimensions of the passage-hole 2 and which is made, during the moulding of the upper part, in the zone of the upper part from which the passage hole will be made.
  • the opening 3 has a circular section and is made on a plane which is perpendicular to the axis of the tube.
  • dies which, with reference to the parts thereof which form the hole 3 and the zones surrounding the hole 3, are of sizes which enable a resistance to the stresses that develop on the die during the injection stage, which resistance is considerably greater than that of dies which would directly produce the passage-hole 2.
  • the dies can thus produce a much higher number of pieces with respect to dies at present in use, without creating any defects, especially coaxial defects, in the various elements of the tube.
  • the dies therefore have a considerably longer working life than dies at present in use.
  • the cap of the invention further comprises a reducer element 4 which is separately made by press-forming or another known method, and which is shaped in such a way as to sealingly fit in the opening 3.
  • the passage-hole 2 is afforded in the reducer element 2, as will be better described herein below.
  • the insertion of the reducer element in the opening 3 can easily be done in a work station subsequent to the pressing station, for example in a finishing station where the surface of the tube is finished or a decoration applied thereon.
  • the reducer element 4 is a sort of disc comprising an external ring 4a which is slightly bigger than the opening 3 and which, on mounting, pressure-fits therein, sealingly closing the opening 3.
  • the passage hole 2, made of a desired size, is afforded concentrically of the external ring 4a.
  • the manufacturing of the reducer element is considerably easier with respect to the making of the whole tube with the passage-hole directly produced by press-forming, and the dies needed to obtain the reducer element 4 and the tube with the opening 3 instead of the passage-hole 2 are extremely simple.
  • a tube which needs a passage-hole having a diameter of one or two millimetres such as for example the tubes for very fluid creams.
  • Manufacturing known-type tubes having these characteristics is practically impossible as the element of the die destined to make the passage-hole, necessarily of a very small diameter, would deteriorate after a very short period of working life due to the thrusts unloaded onto it during the plastic material injection stage.
  • the reducer element 4 comprises a disc 4b which rests on the threaded mouth when the reducer element 4 is fitted in the opening 3.
  • a film 5 is generally provided which is heat-welded onto the upper part of the disc 4b so as to close the passage hole 2; this film is detached by the user on first using the tube and serves as a security seal for the contents of the tube.
  • the external ring 4a can advantageously be provided with projecting edges so as to guarantee the stability of the reducer element 4 in the opening 3.
  • the projecting edges will be made in the lower part of the ring 4a.
  • both the upper and lower parts of the tube, and also the reducer element 4 are made of a plastic material.
  • the plastic material used to obtain the upper and lower parts of the tube and the reducer element is a soft plastic, such as for example polyethylene.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tubes (AREA)
  • Closures For Containers (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Table Equipment (AREA)
  • Laminated Bodies (AREA)

Claims (4)

  1. Tube amélioré en matière plastique, comprenant une partie inférieure (1a) ouverte pour l'introduction d'un produit et pouvant être refermée après cette introduction, et une partie supérieure (1b) présentant un orifice passant (2) pour la sortie du produit du tube, la partie supérieure (1b) comprenant une ouverture (3), plus grande que l'orifice passant (2) et disposée dans une zone de la partie supérieure (1b) dans laquelle l'orifice passant (2) doit être pratiqué; le tube comprenant un élément réducteur (4) dans lequel l'orifice passant (2) est réalisé, lequel élément réducteur (4) est conformé et disposé de manière à s'encastrer de manière étanche dans l'ouverture (3); caractérisé en ce qu'il comprend une bouche filetée (1c) de forme cylindrique et sur laquelle un capuchon de fermeture est vissé, en correspondance de laquelle bouche filetée (1c) est présente l'ouverture (3), l'élément réducteur (4) comprenant un disque (4b) qui repose supérieurement sur la bouche filetée lorsque l'élément réducteur (4) est encastré dans l'ouverture (3), l'élément réducteur (4) comprenant un film (5) qui est soudé à chaud sur une partie supérieure du disque (4b) de manière à fermer l'orifice de passage (2).
  2. Tube selon la revendication 1, dans lequel: l'ouverture (3) présente une section circulaire et est réalisée sur un plan perpendiculaire à un axe du tube; l'élément réducteur (4) comprend un anneau externe (4a) qui s'encastre dans l'ouverture (3); l'orifice de passage (2) est disposé concentriquement à l'anneau externe (4a).
  3. Tube selon la revendication 1, dans lequel la partie supérieure (1b) du tube est réalisée par moulage par injection.
  4. Tube selon la revendication 1, dans lequel la partie inférieure (1a) et la partie supérieure (1b) du tube sont réalisées en une seule pièce par moulage par injection.
EP03786204A 2003-12-15 2003-12-15 Tube ameliore en matiere plastique Revoked EP1694573B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07014869A EP1849710A3 (fr) 2003-12-15 2003-12-15 Tube amélioré fabriqué à partir d'un matériau plastique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT2003/000816 WO2005056410A1 (fr) 2003-12-15 2003-12-15 Tube ameliore en matiere plastique

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP07014869A Division EP1849710A3 (fr) 2003-12-15 2003-12-15 Tube amélioré fabriqué à partir d'un matériau plastique

Publications (2)

Publication Number Publication Date
EP1694573A1 EP1694573A1 (fr) 2006-08-30
EP1694573B1 true EP1694573B1 (fr) 2007-11-07

Family

ID=34674539

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03786204A Revoked EP1694573B1 (fr) 2003-12-15 2003-12-15 Tube ameliore en matiere plastique

Country Status (10)

Country Link
US (1) US20070145073A1 (fr)
EP (1) EP1694573B1 (fr)
AT (1) ATE377561T1 (fr)
AU (1) AU2003295202A1 (fr)
BR (1) BR0318656A (fr)
CA (1) CA2548493A1 (fr)
DE (1) DE60317382D1 (fr)
ES (1) ES2294349T3 (fr)
MX (1) MXPA06006734A (fr)
WO (1) WO2005056410A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4531671B2 (ja) * 2005-10-12 2010-08-25 株式会社神戸製鋼所 中空パネル及びその製造方法
FR2949761B1 (fr) 2009-09-10 2011-12-02 Oreal Dispositif de conditionnement et de distribution d'un produit
US10518943B2 (en) 2013-03-15 2019-12-31 Tc Heartland Llc Container with valve
US20140263436A1 (en) * 2013-03-15 2014-09-18 Tc Heartland Llc Container
BR112017004754A2 (pt) * 2014-09-18 2017-12-05 Colgate Palmolive Co tampa de viragem de topo
US11319116B2 (en) * 2019-08-06 2022-05-03 Viva Healthcare Packaging Limited Container for storing and dispensing a flowable material

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR778193A (fr) * 1933-09-07 1935-03-11 Tube déformable pour produits liquides
GB847947A (en) * 1957-08-06 1960-09-14 British Xylonite Co Ltd Improvements relating to the dispensing plugs of containers
FR1261621A (fr) * 1960-06-30 1961-05-19 Dispositif d'obturation pour tube et tubes munis de ce dispositif
US4927058A (en) * 1988-07-20 1990-05-22 Colgate-Palmolive Company Package for a flowable material susceptible to flavor loss
FR2706865A1 (en) * 1993-06-22 1994-12-30 Geiger Sarl Tube and fluted stopper
FR2731983B1 (fr) * 1995-03-20 1997-05-09 Momiplast Sa Capsule de fermeture a charniere peripherique et dispositif de moulage par injection pour realiser d'une seule piece cette capsule de fermeture
US6283316B1 (en) * 1998-04-27 2001-09-04 Adam Sherman Orifice reducer for multi-compartment container
US20030015549A1 (en) * 2001-06-20 2003-01-23 Mitsuo Yoshida Collapsible dispensing tube for non-solid materials
SE522156C2 (sv) * 2002-05-27 2004-01-20 Norden Tubes Ab Tub, förfarande och verktyg för dess tillverkning

Also Published As

Publication number Publication date
ATE377561T1 (de) 2007-11-15
WO2005056410A1 (fr) 2005-06-23
MXPA06006734A (es) 2006-08-18
US20070145073A1 (en) 2007-06-28
BR0318656A (pt) 2006-11-28
EP1694573A1 (fr) 2006-08-30
AU2003295202A1 (en) 2005-06-29
DE60317382D1 (de) 2007-12-20
ES2294349T3 (es) 2008-04-01
CA2548493A1 (fr) 2005-06-23

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