EP0315554A1 - Tube mit doppelwandigem, einstückigem Kopf zum Abgeben gestreifter Paste - Google Patents

Tube mit doppelwandigem, einstückigem Kopf zum Abgeben gestreifter Paste Download PDF

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Publication number
EP0315554A1
EP0315554A1 EP88420371A EP88420371A EP0315554A1 EP 0315554 A1 EP0315554 A1 EP 0315554A1 EP 88420371 A EP88420371 A EP 88420371A EP 88420371 A EP88420371 A EP 88420371A EP 0315554 A1 EP0315554 A1 EP 0315554A1
Authority
EP
European Patent Office
Prior art keywords
skirt
tube
ribs
tube according
head
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.)
Granted
Application number
EP88420371A
Other languages
English (en)
French (fr)
Other versions
EP0315554B1 (de
Inventor
Bernard Schneider
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 Tubes France SAS
Original Assignee
Cebal SAS
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 Cebal SAS filed Critical Cebal SAS
Priority to AT88420371T priority Critical patent/ATE67978T1/de
Publication of EP0315554A1 publication Critical patent/EP0315554A1/de
Application granted granted Critical
Publication of EP0315554B1 publication Critical patent/EP0315554B1/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
    • B65D35/24—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
    • B65D35/242—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 mixing or discharging of two or more components

Definitions

  • the invention relates to a flexible tube, comprising a skirt and a head, both at least partly made of plastic, for dispensing a paste with stripes.
  • This inner skirt carries slots for the passage of the striped product, as well as often pairs of longitudinal ribs extending from the top of these passage slots to the top of the internal surface of the neck and guiding the colored product for its exit. in the form of a stripe of the pasty product.
  • the colored product passage slots descend to the lower end of the inner skirt when the product for scratches is fairly viscous.
  • the subject of the invention is a tube for dispensing a dough with stripes comprising a skirt and a head both at least partly made of plastic, the head comprising a neck, said neck carrying an outlet orifice, and below the neck a shoulder having a slightly inclined back surface, by which the head is connected by molding to the skirt of the tube, said head further comprising an inner skirt plastic material which is in one piece with the head and carries openings for the passage of the striped product (s), this skirt and the inside of the neck together forming the outlet conduit for the pasty product and carrying pairs of internal longitudinal ribs of guiding said striped product (s) extending at least from the top of the neck, said head, the outlet orifice of which is optionally surmounted by a tearable lid, forming a unit molded in a single operation on the tube skirt.
  • the vertical direction is that of the axis of the tube, and the term “longitudinal” designates a direction close to the axial direction, the top of the tube corresponding to its neck.
  • the "horizontal” plane is any plane perpendicular to this axis and the words “inclined” or “slightly inclined” relate to the inclination relative to such a horizontal plane.
  • the first means (a) there is an annular gap between the top of the inner skirt and the 'outer skirt or outer wall of the neck, and the colored product enters this annular gap so that, according to the second means ( b), the passage openings of the colored product (s) can be raised in this interval, above the extension of the back surface which is slightly inclined (typically at 20 to 35 °) of the shoulder.
  • the first of these means causing, by reduction in the cross section of the outlet conduit, a slower displacement of the pasty product in this conduit, it has been observed during the comparative use of tubes according to l invention and tubes according to FR-B-2 572 366 of the same dimension (25 ml and skirt diameter 22 mm) and filled with the same products: a sharp reduction in the length of pasty bead not scratched with the tubes of the invention (for example 5 to 6 mm instead of 15 to 20 mm), - and a good definition of the colored stripes with these same tubes.
  • the reverse surface of the shoulder comprises, between its slightly inclined surface and the internal surface of the external skirt which forms the outside of the neck, an inclined surface forming a chamfer, preferably at 50 to 70 ° relative to the horizontal plane and substantially frustoconical.
  • a chamfer increases the inlet diameter of the annular gap, this increase resulting in an increase in the annular cross section of the passage of the colored product towards the passage opening (s) typically reaching 80 to 120%.
  • this inclined chamfer creates, when the tube is pressed, a stream of colored product along its surface and orienting this colored product upwards, which feeds passage openings located a little higher than in the absence of a chamfer.
  • the top of these openings must then preferably be at the intersection of the fictitious extension of this inclined surface forming a chamfer and the inner skirt or below this intersection. The presence of this circular chamfer facilitates demolding.
  • the internal skirt comprises from each passage opening to its lower end a thinned longitudinal zone allowing its flattening.
  • the braking ribs then typically comprise pairs of ribs which frame the passage openings and then the corresponding thinned longitudinal zones.
  • the thinned longitudinal zones are preferably thinned or hollowed out on the external face of the internal skirt, which is favorable for demolding and facilitates access of the product or products for scratches to each of the corresponding passage openings.
  • the injection molding tool for the interior of the tube typically comprises a central tool delimiting the interior of the interior skirt and a peripheral annular tool delimiting the exterior of the interior skirt, these two tools defining by contacts mutual passage openings, and comprising between them below each of these contact areas a longitudinal gap whose thickness is significantly smaller than that of the sectoral gaps corresponding to the molding of other areas or body of the inner skirt.
  • this longitudinal gap is of increasing thickness downwards, while the sectoral gaps corresponding to the molding of the body of the inner skirt have a thickness which varies in the opposite direction.
  • the inner skirt of the tube of the invention is thus distinguished in that, preferably, the thickness of each thinned longitudinal zone increases from the corresponding passage opening to the lower end of the inner skirt, while the thickness of said body of the inner skirt decreases from said opening at said end. And typically, in axial section, the angle between the two faces of the body of the inner skirt and the angle between the two faces of the thinned longitudinal zones are then both between 0 ° 15 ′ and 1 °.
  • each thinned longitudinal region of the inner skirt is between 0.15 and 0.35 mm in its upper half near the corresponding opening and between 0.25 and 0.45 mm in its lower half.
  • each of these longitudinal zones forming the bottom of a groove bordered by the corresponding braking ribs has, at any level perpendicular to the axis of the tube, a thickness much less than the thickness of the body of the inner skirt at the same level.
  • the thickness of this body is between 2 and 4 times the thickness of the thinned areas than in the case of half upper of these zones, and between 1.2 and 3 times the thickness of the thinned zones in the case of their lower half.
  • the upper ribs or guide ribs of the product (s) for scratches also have a role in braking the main pasty product, and that the minimum heights of each of the two types of ribs, lower and to obtain a good quality of scratches must be increased when the main pasty product is less viscous.
  • the braking ribs may also include longitudinal bosses for additional braking of the main pasty product, located between the pairs of braking ribs framing the passage openings or else between the guide ribs.
  • each guide rib extends to the outlet orifice of the tube, the free edge of this rib then being in the extension of the interior surface of this orifice.
  • the braking ribs and the guide rib bordering each passage opening on the same side form a continuous longitudinal rib of height increasing from bottom to top.
  • the top of the interior skirt, skirt forming the outlet conduit for the pasty product is connected to the interior surface of the outlet orifice by a converging surface, the cross section of this orifice typically being 0.6 to 0.85 times the lower opening surface of the inner skirt.
  • the height of the outlet orifice being small, typically 1.5 to 3 mm, its narrowing does not cause significant braking, and an outlet duct wider than this orifice is then preferable, as has been observed, to a narrower outlet duct with connection surface to the divergent orifice.
  • the inner skirt has an inner diameter which gradually decreases a little from the bottom up.
  • the fragrance of the pasty product is fairly well preserved due to the presence of a reserve of product for scratches in the annular interval.
  • Preservation of aromas can however be improved by lining the back of the shoulder of the tube with a metalloplastic or plastic complex annular washer fixed by molding, this washer comprising at least external layers of polyethylene, or possibly of polypropylene, and an intermediate layer aluminum or plastic barrier.
  • the tube of the invention has partitions dividing into sectors, which each contain a passage opening, the interval between its inner skirt and its shoulder. These partitions and these passage openings are typically in the same number between 2 and 6.
  • the head 1 of the tube of FIG. 1 comprises a shoulder 2, the lower end of which is connected by molding at the junction 3 to the skirt 4 of the tube with the outside diameter 22 mm.
  • the head 1 comprises a top part 5 carrying in its center the outlet orifice 6 with an internal diameter of 7.5 mm and, connecting to this top 5, an external skirt 16 forming the threaded outside of the neck 7 and connecting to the shoulder 2 and an inner skirt 8 18 mm high forming the inside of the neck 7 and alone constituting the entire outlet duct 8 of the pasty product.
  • the inner surface of the outer skirt 16 has a diameter of 12 mm, and the top of the inner skirt 8 with an outer diameter of 10 mm is separated from the outer skirt 16 by the annular gap 9 of width 0.9 to 1 mm .
  • the reverse surface of the shoulder 2 comprises, between its surface 10 inclined at 30 ° and the internal surface 11 of the outer skirt 16, a frustoconical chamfer 12 inclined at 60 ° doubling the annular surface for the passage of the colored product towards the passage openings in the outlet conduit such as 13 and 14.
  • the inner skirt 8 carries five passage openings regularly distributed around its periphery, three of them 13,14,15, appearing in FIGS. 1 to 4, each 14 being of substantially rectangular contour 0.8 x 1.1 mm according to its longitudinal direction and being framed by two longitudinal ribs 17 and 18 which extend from a level located 1 mm from the lower end 19 of the outer skirt 8 to the lower end 20 of the outlet orifice 6.
  • These ribs 17 and 18 have a height which increases steadily from the bottom upwards, this height thus varying from 0.3 to 0.5 mm in their braking part only 26 below the openings such as 14 and from 0, 5 to 0.6 mm in their guiding and braking part going from these openings such as 14 to the orifice 6.
  • each passage opening such as 13 or 14 is entirely between the fictitious extensions of the slightly inclined surface 10 and of the frustoconical chamfer 12 of the reverse surface of the shoulder, the bottom 24 of these openings being about 0.5 mm above the slightly inclined surface 10 and the inner skirt 8.
  • the bottom such as 24 of each opening such as 14 begins a thinned longitudinal zone 25, of the same width 0.6 mm as the opening on the external side 14, descending to the bottom of the inner skirt 8, its thickness then increasing regularly from 0.2 mm below the opening 14 to 0.3 mm at the bottom of the skirt.
  • This thinned zone 25 is bordered over most of its length by the lower braking portions such as 26 of the longitudinal ribs 17 and 18.
  • the thickness of the body 27 of the inner skirt 8 decreases regularly from top to bottom, from 0.8 mm thick to 0.6 mm.
  • Figures 1 to 3 show in axial sections the position of the longitudinal ribs and the grooves 28 and 32 that they delimit.
  • the top groove 28 or guide groove (fig.
  • the inner skirt 8 is slightly frustoconical or convergent, its inner diameter varying from 9 mm at its lower open end to 8.4 mm at its upper part.
  • This upper part is connected by a converging connection surface 34 to the internal surface 23 of the outlet orifice 6, with an internal diameter of 7.5 mm and a height of 2 mm.
  • the inner skirt 8 is provided with 5 additional longitudinal braking bosses such as 35 (FIG. 2), forming flats of width 2 mm and of thickness 0.5 mm each located between the pairs of ribs such as 17 and 18 framing two adjacent openings 13 and 14. These bosses 35 extend here over the entire height of the longitudinal ribs such as 17.
  • FIG. 1 the position of a metalloplastic annular washer 36 with 5 layers forming a barrier for perfumes, inlaid on the reverse side 10 and 12 of the shoulder 2 and linked to this shoulder 2 by molding, has been indicated in addition. , its surface layers being made of polyethylene.
  • This flexible washer 36 is threaded around the annular tool forming the annular chamber 37 and the annular gap 9, which is particularly simple.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tubes (AREA)
  • Closures For Containers (AREA)
  • Package Specialized In Special Use (AREA)
  • Reciprocating Pumps (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Manufacturing And Processing Devices For Dough (AREA)
EP88420371A 1987-11-03 1988-10-28 Tube mit doppelwandigem, einstückigem Kopf zum Abgeben gestreifter Paste Expired - Lifetime EP0315554B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88420371T ATE67978T1 (de) 1987-11-03 1988-10-28 Tube mit doppelwandigem, einstueckigem kopf zum abgeben gestreifter paste.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8716037 1987-11-03
FR8716037A FR2622542B1 (fr) 1987-11-03 1987-11-03 Tube pour distribution d'une pate avec des rayures comportant une tete monobloc a double jupe

Publications (2)

Publication Number Publication Date
EP0315554A1 true EP0315554A1 (de) 1989-05-10
EP0315554B1 EP0315554B1 (de) 1991-10-02

Family

ID=9356961

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88420371A Expired - Lifetime EP0315554B1 (de) 1987-11-03 1988-10-28 Tube mit doppelwandigem, einstückigem Kopf zum Abgeben gestreifter Paste

Country Status (9)

Country Link
US (1) US4942981A (de)
EP (1) EP0315554B1 (de)
JP (1) JPH0641308B2 (de)
AT (1) ATE67978T1 (de)
CA (1) CA1314524C (de)
DE (1) DE3865292D1 (de)
ES (1) ES2025322B3 (de)
FR (1) FR2622542B1 (de)
GR (1) GR3002827T3 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0408475A1 (de) * 1989-07-11 1991-01-16 Cebal S.A. Tube zur Ausgabe einer Paste mit einem oder mehreren zentralen Streifen einer oder mehrerer zweiter Pasten und ihre Verwendung
EP0524897A1 (de) * 1991-07-25 1993-01-27 Cebal S.A. Tubenkopf aus Kunststoff mit Innenverkleidung für eine Sperrwirkung und Gegenstand für diese Verkleidung
EP2241371A1 (de) * 2009-04-16 2010-10-20 Heraeus Kulzer GmbH Für die Mischkontrolle optimierte Mehrkomponentensysteme

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5203379A (en) * 1990-09-12 1993-04-20 Courtaulds Packaging Inc. Headed thermoplastic tube
US20040164094A1 (en) * 2003-02-21 2004-08-26 Pechiney Plastic Packaging, Inc. Plastic dispensing tube having shaped corners
JP2007010281A (ja) * 2005-07-01 2007-01-18 Hatano Seisakusho:Kk 浴槽用温水口装置
DE602007004584D1 (de) * 2006-04-19 2010-03-18 Colgate Palmolive Co Behälter für produkte mit aromatischen verbindungen
US8906187B2 (en) * 2008-06-25 2014-12-09 Colgate-Palmolive Company Method of making shoulder/nozzles with film barrier liners

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1277475A (fr) * 1959-12-30 1961-12-01 Unilever Nv Dispositif pour l'extrusion en commun d'au moins deux substances pâteuses
FR1584393A (de) * 1967-08-25 1969-12-19
EP0182725A1 (de) * 1984-10-30 1986-05-28 Cebal Tube für die Ausgabe einer Paste mit Streifen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA654838A (en) * 1962-12-25 Baptiste Allegraud Jean Devices for dispensing paste-like materials
GB555468A (en) * 1942-11-03 1943-08-24 Leopold Rado Improvements in and relating to collapsable tubes for pastes or the like, and method for making the same
JPS4999644U (de) * 1972-12-21 1974-08-28
JPS583902B2 (ja) * 1975-06-27 1983-01-24 カ−ル・メ−ゲルレ 包装用チユ−ブ
CH652966A5 (de) * 1981-05-07 1985-12-13 Maegerle Karl Lizenz Verfahren zur herstellung eines verpackungsbehaelters und nach diesem hergestellter tubenfoermiger behaelter.
JPS5821394U (ja) * 1981-08-04 1983-02-09 蝶プラ工業株式会社 タオル掛け
DE3241977C2 (de) * 1982-11-12 1985-11-28 Automation Industrielle S.A., Vouvry Verpackungstube
FR2540075B1 (fr) * 1983-02-02 1986-02-28 Cebal Recipient tubulaire rebouchable en matiere plastique pour deux produits

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1277475A (fr) * 1959-12-30 1961-12-01 Unilever Nv Dispositif pour l'extrusion en commun d'au moins deux substances pâteuses
FR1584393A (de) * 1967-08-25 1969-12-19
EP0182725A1 (de) * 1984-10-30 1986-05-28 Cebal Tube für die Ausgabe einer Paste mit Streifen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0408475A1 (de) * 1989-07-11 1991-01-16 Cebal S.A. Tube zur Ausgabe einer Paste mit einem oder mehreren zentralen Streifen einer oder mehrerer zweiter Pasten und ihre Verwendung
FR2649675A1 (fr) * 1989-07-11 1991-01-18 Cebal Tube pour distribuer une pate avec un ou plusieurs filets centraux d'une ou plusieurs pates secondaires et son utilisation
EP0524897A1 (de) * 1991-07-25 1993-01-27 Cebal S.A. Tubenkopf aus Kunststoff mit Innenverkleidung für eine Sperrwirkung und Gegenstand für diese Verkleidung
FR2679527A1 (fr) * 1991-07-25 1993-01-29 Cebal Tete de tube en matiere plastique a revetement interieur a effet barriere et piece utilisable pour ce revetement.
EP2241371A1 (de) * 2009-04-16 2010-10-20 Heraeus Kulzer GmbH Für die Mischkontrolle optimierte Mehrkomponentensysteme

Also Published As

Publication number Publication date
GR3002827T3 (en) 1993-01-25
FR2622542B1 (fr) 1991-01-04
EP0315554B1 (de) 1991-10-02
DE3865292D1 (de) 1991-11-07
CA1314524C (fr) 1993-03-16
ES2025322B3 (es) 1992-03-16
JPH0641308B2 (ja) 1994-06-01
US4942981A (en) 1990-07-24
ATE67978T1 (de) 1991-10-15
JPH01153461A (ja) 1989-06-15
FR2622542A1 (fr) 1989-05-05

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