EP0845421B1 - Zusammendrückbare Tuben - Google Patents

Zusammendrückbare Tuben Download PDF

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Publication number
EP0845421B1
EP0845421B1 EP19970309516 EP97309516A EP0845421B1 EP 0845421 B1 EP0845421 B1 EP 0845421B1 EP 19970309516 EP19970309516 EP 19970309516 EP 97309516 A EP97309516 A EP 97309516A EP 0845421 B1 EP0845421 B1 EP 0845421B1
Authority
EP
European Patent Office
Prior art keywords
shoulder
flutes
skirt
outlet port
container
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.)
Expired - Lifetime
Application number
EP19970309516
Other languages
English (en)
French (fr)
Other versions
EP0845421A1 (de
Inventor
Philip Colin Ashman
Susana Clark
John Winston Harvey
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.)
Albea UK Ltd
Original Assignee
Betts UK Ltd
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 Betts UK Ltd filed Critical Betts UK Ltd
Priority to EP04015320A priority Critical patent/EP1466832A1/de
Publication of EP0845421A1 publication Critical patent/EP0845421A1/de
Application granted granted Critical
Publication of EP0845421B1 publication Critical patent/EP0845421B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65D35/12—Connections between body and closure-receiving bush
    • 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

Definitions

  • This invention relates to collapsible tube containers and to shoulders of collapsible tube containers.
  • Containers that dispense semi-solid pastes, creams, ointments and medicaments etc. are well known.
  • Containers of the kind are usually made from metal or plastics tubes, one end of which is closed by a welded or pinched seam, and at the other end of which is secured a shoulder having a discharge nozzle formed thereon.
  • the prior art containers of the above type tend to retain a proportion of the contents of the tube so that they are difficult to empty completely of their contents. This is particularly so for plastics containers which are not permanently deformable in the manner of metal collapsible containers.
  • GB-A-732,761 One method of making a collapsible plastics container is shown in GB-A-732,761.
  • the container disclosed therein has a tube extending from the nozzle to the bottom of the container and through which ink is drawn by a suction pump.
  • the shoulder of the tube is provided with diametrically spaced apart radial grooves which provide weakened zones which allow the shoulder and container to fold or collapse, in a desired manner, under atmospheric pressure on evacuation of the container.
  • the present invention provides a tube container which is easily collapsible under manually applied loads and which externally has the appearance of a conventional tube container.
  • a shoulder for a collapsible tube container including a nozzle having an outlet port whereby material is expelled from the container, the shoulder having at least one area of weakness formed by a plurality of adjacent flutes on its internal surface, to enable it to collapse in a desired manner if squeezed across a diameter.
  • the shoulder preferably includes a skirt, a conical portion extending radially inwardly of the skirt, and the flutes extend from the nozzle outlet port to the skirt.
  • the flutes are arranged in spaced groups of a plurality of flutes, preferably between 3 and 7 flutes.
  • the minimum wall thickness of the shoulder in the flutes is about one half of the wall thickness of the tube shoulder in unfluted portions.
  • the flutes may be arranged in two diametrically spaced groups.
  • Surface indentations for a finger and thumb of a user may be arranged on the external surface of the shoulder to aid squeezing of the shoulder, and may be diametrically spaced on a diameter normal to that of the two spaced groups of flutes.
  • the external surface of the indentations may be ribbed or hatched to provide a non-slip surface.
  • collapsible or flexible tube container having a shoulder as described above.
  • FIG. 1 to 4 With reference to Figures 1 to 4 there is shown a plastics shoulder 11 which in use is welded to the end portion of a flexible plastics tube 12 (see Figure 4), the other end (not shown) of which will typically be closed by a welded seam after filling the tube with the material to be stored therein.
  • the shoulder 11 includes a lower skirt portion 13 which is a sliding fit within the tube 12 and to which the tube 12 is welded by a suitable method.
  • the skirt 13 is connected to a radially inner cylindrical portion 15 by a radially inwardly extending shoulder portion 14.
  • the cylindrical portion 15 is connected to a concavely curved conical portion 16 which extends both axially away from the skirt 13 and radially inwardly to form a nozzle 17 having an outlet port 18 therein.
  • the groups 21 of flutes essentially comprise four ribs 22, each having a flute (or groove) 23 on each side thereof.
  • the grooves 23 may be 'V' shaped cross sectional grooves as shown, or could be 'U' shaped cross-sectional grooves to improve the resistance to stress cracking.
  • the grooves 23 have a depth which is approximately one half of the general thickness of the surrounding shoulder 11.
  • the upper surface of the ribs 22 is substantially level with the internal surface 20 of the shoulder 11.
  • each group 21 of flutes there are preferably between 3 and 7 ribs 22. More preferably, each group has four ribs 22 and five grooves, which extend from the outlet port 18 in an axial direction on the internal surface of the shoulder and terminate at the skirt 13.
  • the groups 21 of flutes form areas of weakness in the wall of the shoulder 11, so that if squeezed across a diameter normal to the diameter across the groups 21, the shoulder 11 will collapse.
  • a pair of indentations 25 are formed in the conical portion 16 of the shoulder to provide locations for a finger and thumb of a person using the container.
  • the external surfaces of the indentations 25 have ribs 26 formed thereon to provide a non-slip surface.
  • Other non-slip surfaces could also be used as alternatives to ribs, for example a square cross hatched surface, or a roughened matt surface.
  • the cylindrical portion 15 has a slight reverse taper to produce a detent over which a closely fitting cap (not shown) can be secured using a snap-fit type construction.
  • a substantially similar shoulder 111 is shown in Figures 5 to 7, the only difference from the previously described shoulder being that the cap (not shown) is secured to the shoulder 111 by a screw threaded connection 112.
  • the screw threaded connection 112 is in the form of a three start thread, the lower end of each thread portion having an axial extension 113 extending downwardly therefrom.
  • the axial extension 113 has inclined vertical faces 114 which are about 90° apart and form surfaces for engagement with a cooperating formation (not shown) on the thread of the cap, to form an anti-back-off device. This prevents the cap from partially loosening after being screwed tightly onto the shoulder.
  • the whole internal surface 20 of the shoulder could be covered in a plurality of adjacent axial flutes.
  • the flutes could in this example be wider at their radially inner end portions than at their outer end portions adjacent the skirt 13.
  • axial fluting provides for a controlled collapse when the shoulder 11 (or 111) is squeezed across a diameter, but still maintains strength in the axial direction.
  • a container having a shoulder of the type shown in Figures 1-4 or 5-7 will retain about 5% of its contents, as compared with a container having a conventional non-collapsible shoulder which will typically retain about 10% of its contents.

Landscapes

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

Claims (13)

  1. Schulter (11) für einen zusammendrückbaren Tubenbehälter, wobei die Schulter eine Düse (17) mit einer Auslassöffnung (18) einschließt, wodurch Material vom Behälter ausgetrieben wird, dadurch gekennzeichnet, dass die Schulter (11) auf ihrer inneren Fläche (20) mindestens einen Schwachbereich (21) aufweist, welcher durch eine Vielzahl von benachbarten Rillen (23) gebildet ist, um es ihr zu ermöglichen, sich in einer gewünschten Weise zusammenzulegen, wenn sie über einen Durchmesser zusammengepresst wird.
  2. Schulter gemäß Anspruch 1, wobei die Schulter (11) einen Rand (13) umfasst, und einen im Allgemeinen konischen Abschnitt (16), welcher sich radial einwärts und axial weg vom Rand (13) erstreckt, wobei die Rillen (23) sich von der Düsenausiassöffnung (18) bis zum Rand (13) erstrecken.
  3. Schulter gemäß Anspruch 1 oder Anspruch 2, wobei die Rillen (23) in beabstandeten Gruppen (21) angeordnet sind, von denen jede eine Vielzahl von Rillen (23) umfasst.
  4. Schulter gemäß Anspruch 3, wobei jede Gruppe (21) von Rillen (23) zwischen 3 und 7 Rillen (23) umfasst, und vorzugsweise 5 Rillen (23).
  5. Schulter gemäß einem der Ansprüche 1 bis 4, wobei die minimale Wanddicke der Schulter (11) in den Rillen (23) etwa die Hälfte der Wanddicke der Schulter in ungerillten Abschnitten beträgt.
  6. Schulter gemäß einem der Ansprüche 1 bis 5, wobei die Breite der Nuten im (in den) gerillten Bereich(en) vom Schulterrand (13) her in Richtung der Düsenauslassöffnung (18) abnimmt.
  7. Schulter gemäß einem der Ansprüche 1 bis 6, wobei die Schulter (11) auf ihrer radialen Innenfläche (20) zwei diametral beabstandete Gruppen (21) von Rillen (23) aufweist.
  8. Schulter gemäß Anspruch 1 oder Anspruch 2, wobei die gesamte Innenfläche (20) der Schulter gerillt ist.
  9. Schulter gemäß Anspruch 8, wobei die Rippen (22), welche zwischen den Rillen (23) gebildet sind, an ihren der Düsenauslassöffnung (18) benachbarten Enden breiter sind als an ihren dem Rand (13) benachbarten Enden.
  10. Schulter gemäß einem der Ansprüche 1 bis 9, wobei die Außenfläche der Schulter (11) mit einem Paar von diametral entgegengesetzten Oberflächenvertiefungen (25) für einen Finger und einen Daumen des Anwenders ausgebildet ist
  11. Schulter gemäß Anspruch 10, wenn abhängig von Anspruch 7, wobei die äußeren Oberflächenvertiefungen (25) auf einem Durchmesser angeordnet sind, welcher orthogonal zum Durchmesser über die beiden Gruppen (21) von Rillen (23) verläuft.
  12. Schulter gemäß Anspruch 11, wobei sich auf jeder der äußeren Oberflächenvertiefungen (25) eine rutschfeste Oberfläche (26) befindet.
  13. Zusammendrückbarer Tubenbehälter dadurch gekennzeichnet, dass er an einem Ende eine Schulter (11) gemäß einem der Ansprüche 1 bis 12 einschließt.
EP19970309516 1996-11-27 1997-11-26 Zusammendrückbare Tuben Expired - Lifetime EP0845421B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04015320A EP1466832A1 (de) 1996-11-27 1997-11-26 Zusammendrückbare Tuben

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9624637A GB2311270B (en) 1996-11-27 1996-11-27 Fluted shoulder for a collapsible tube container
GB9624637 1996-11-27

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP04015320A Division EP1466832A1 (de) 1996-11-27 1997-11-26 Zusammendrückbare Tuben

Publications (2)

Publication Number Publication Date
EP0845421A1 EP0845421A1 (de) 1998-06-03
EP0845421B1 true EP0845421B1 (de) 2004-09-15

Family

ID=10803547

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19970309516 Expired - Lifetime EP0845421B1 (de) 1996-11-27 1997-11-26 Zusammendrückbare Tuben
EP04015320A Withdrawn EP1466832A1 (de) 1996-11-27 1997-11-26 Zusammendrückbare Tuben

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP04015320A Withdrawn EP1466832A1 (de) 1996-11-27 1997-11-26 Zusammendrückbare Tuben

Country Status (5)

Country Link
EP (2) EP0845421B1 (de)
DE (1) DE19735173A1 (de)
ES (1) ES2232854T3 (de)
GB (1) GB2311270B (de)
PT (1) PT845421E (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2796622B1 (fr) 1999-07-23 2001-12-14 Oreal Conditionnement de produit liquide a pateux a taux de vidange ameliore
US6722536B2 (en) * 2002-05-13 2004-04-20 Smith Kline Beecham Corporation Nozzle for dispensing viscous material
DE102005025023A1 (de) * 2005-05-30 2006-12-07 Georg Menshen Gmbh & Co. Kg Tube
ES2358827B1 (es) * 2009-09-18 2012-01-23 Fermín Jaime Loureiro Benimeli Envase para producto en pasta.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2723779A (en) * 1951-12-19 1955-11-15 Parker Flexible container and dispenser
AT186181B (de) * 1953-10-21 1956-07-10 Gestetner Ltd Zusammendrückbarer Behälter, wie eine Quetschtube, für pastenförmige und halbfeste Materialien
GB732761A (en) * 1953-10-21 1955-06-29 Gestetner Ltd Improvements in or relating to collapsible containers
BE571354A (de) * 1957-09-20
DE1967638U (de) * 1967-06-16 1967-08-31 Spiess C F & Sohn Tube oder flasche aus kunststoff.
FR2288445A7 (fr) * 1974-10-14 1976-05-14 Goiffon Ets Leon Recipient tel que flacon, ampoule ou analogue, pour projection ou injection de produit liquide ou pulverulent
CH574849A5 (en) * 1975-02-25 1976-04-30 Dennler Ernst Soft walled container tube with rigid collar attached to nozzle - to prevent twisting when unscrewing nozzle cap
EP0017941B1 (de) * 1979-04-19 1989-03-15 Interfiscal Establishment Ausschliesslich aus mindestens zwei Kunststoffolien bestehende Tube zur Aufnahme herauspressbaren Gutes
FR2619790B1 (fr) * 1987-08-25 1989-11-17 Cebal Tube pour distribution d'une pate avec des rayures comportant une tete a jupe interieure aplatissable
AU3815989A (en) * 1988-07-20 1990-02-01 Colgate-Palmolive Company, The Tube for a flowable material susceptible to flavor loss
CH680429A5 (de) * 1991-04-29 1992-08-31 Supermatic Kunststoff Ag
CH684082A5 (de) * 1991-12-19 1994-07-15 Sika Robotics Ag Behälter.

Also Published As

Publication number Publication date
EP0845421A1 (de) 1998-06-03
GB2311270B (en) 1998-02-18
PT845421E (pt) 2005-02-28
GB2311270A (en) 1997-09-24
EP1466832A1 (de) 2004-10-13
GB9624637D0 (en) 1997-01-15
ES2232854T3 (es) 2005-06-01
DE19735173A1 (de) 1998-06-04

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