EP0575272B1 - Tube en matière plastique ayant un opercule déchirable, ledit tube avec une capsule et ses utilisations - Google Patents

Tube en matière plastique ayant un opercule déchirable, ledit tube avec une capsule et ses utilisations Download PDF

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Publication number
EP0575272B1
EP0575272B1 EP93420254A EP93420254A EP0575272B1 EP 0575272 B1 EP0575272 B1 EP 0575272B1 EP 93420254 A EP93420254 A EP 93420254A EP 93420254 A EP93420254 A EP 93420254A EP 0575272 B1 EP0575272 B1 EP 0575272B1
Authority
EP
European Patent Office
Prior art keywords
tube
cover
cap
head
depression
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
EP93420254A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0575272A1 (fr
Inventor
Bernard Schneider
René Hoslet
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
Publication of EP0575272A1 publication Critical patent/EP0575272A1/fr
Application granted granted Critical
Publication of EP0575272B1 publication Critical patent/EP0575272B1/fr
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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • B65D51/22—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure
    • B65D51/228—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being removed from the container after the opening
    • 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
    • B65D35/44—Closures
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0006—Upper closure
    • B65D2251/0015—Upper closure of the 41-type
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0068—Lower closure
    • B65D2251/0071—Lower closure of the 17-type

Definitions

  • the invention relates to a plastic tube surmounted by a tearable lid sealingly closing its outlet orifice, this tube possibly being fitted with a stopper comprising a key making it possible to fit and tear this lid by rotation.
  • EP-B-119145 and its equivalent US-A-4527700 disclose such a tube associated with a cap interlocking with internal reliefs the reliefs carried by the lateral surface of the cover.
  • the base of the cover is connected by a tearable zone at the edge of the orifice of the neck of the tube, and the rotation of the cap fitted on the cover by its complementary reliefs makes it possible to drive the cover by breaking said area by twisting. .
  • the cover is retained in the cover when it is forced into the interior reliefs of the cover.
  • the diameter of the orifice was typically 2.5 to 10 mm.
  • GB-A-2 039 267 discloses a solution incorporating the idea of driving by rotation of a tearable lid and well suited to the small diameters of orifice targeted.
  • the orifice obtained after tearing by rotation of the cover is in this case bordered by a tormented and non-reproducible breaking surface. If the tear was made without care, the damaged surface is so tormented that it does not allow a hermetic sealing of the capsule in the event of multiple uses.
  • the Applicant has sought to develop a tear-proof seal tube which overcomes these problems.
  • the subject of the invention is a plastic tube having a head surmounted by a tight seal which can be torn by torsion, said cover having, up to its base connecting to said head, a lateral surface of polygonal outline, this surface being formed. by generators inclined by less than 10 ° on the axis of the tube away from said base, said cover having a tearing zone comprised between said lateral surface and an interior surface having circular sections perpendicular to said axis, these surfaces delimiting together at least one thin portion, characterized in that said at least one thin portion has a minimum thickness of between 0.05 and 0.18 mm and in that said lateral and interior surfaces (6 and 11) together define at least one thick portion, maximum thickness at minus 1.5 times stronger than said minimum thickness.
  • the cover is sufficiently rigid until it connects with the head of the tube.
  • the thicker portions of its internally hollow base provide this rigidity and facilitate the injection and obtaining of much thinner and nevertheless compact and tight intermediate parts, forming sites for initiation of torsional rupture.
  • the cover being thus rigid and having a cylindrical or slightly conical shape, its gripping, preferably its fitting by a suitable key, is facilitated and the manipulations are not likely to cause it to bend and to damage its immediate periphery.
  • the tube head provided with the cover according to the invention is preferably overmolded on a skirt, the inner surface is formed by a plastic material identical to that of the head.
  • a tear in the ductile type cover and without residual deformation affecting its immediate periphery preferably chosen as common plastic material for the overmolded head and for at least the interior of the skirt, is low density polyethylene of specific gravity between 0.88 and 0.93 g / cm3, or linear low density polyethylene.
  • the external surface of the tearing zone has a square contour and its hollow internal surface has perpendicular to the longitudinal axis of the tube and of the cover of the successive circular sections centered with respect to this square external surface, the progressive thinning and thickening of the wall comprised between these external and internal surfaces resulting in a maximum thickness of each of the two thick portions 2.5 to 4 times greater than the minimum thickness of each of the two thin portions between these thick portions.
  • Said hollow interior surface is typically of revolution around said axis.
  • the base of the cover is connected to the head of the tube in an annular depression flared from this head, the diameter of the flush end of this depression being less than 2 mm larger than the outside width of the base of the cover and this cover projecting beyond this end by a height at least equal to its diameter.
  • the relief of the cover protects the depression, which is the immediate periphery of its base, from damage which could be caused by manipulation.
  • the side wall of the depression is typically frustoconical and constitutes the top of a truncated cone of drop formation which will be completed, downwards and inside, by the tear surface of the seal produced by the opening of the tube.
  • the micro-asperities of this tearing surface then become sites for attachment of the drops of liquid, allowing them to form more easily and to grow by giving drops calibrated at 19 to 21 drops per cm3.
  • the diameter of the flush end of the depression is between 2.5 and 7 mm, the external width of the base of the cover being between 2 and 6 mm.
  • the inner surface of the cover is or belongs to a vault forming the back of the cover, this vault having a low height relative to the height of the cover and typically less than 1.3 mm and connecting to a circular cylindrical axial interior surface forming part of the orifice of the tube after tearing of the cover.
  • this preferably has a frustoconical lateral surface which will be extended by the lateral surface of rupture of the seal, which surface itself is substantially frustoconical , forming a drop forming surface succeeding as described above to a circular cylindrical axial inner surface of the tube head, the assembly allowing the expulsion of calibrated liquid drops.
  • the cover of the tube can be pinched or embedded by any means and then broken by twisting.
  • the tube is accompanied or equipped with a capsule which covers the head of the tube and the cover, the capsule then having no contact with this cover, and this capsule preferably has at its top a hollow cavity constituting a key which can fit the cover by immobilizing it in rotation relative, when the capsule is released from the tube and turned upside down, and making it possible to break the cover by rotation of the capsule.
  • the drive surface of the cover has a height at least equal to 2 times the external width of its base, and furthermore that the conicity of the cover, this widening towards its base, is small, having as already indicated a 1 ⁇ 2 cone angle less than 10 °.
  • the bottom fitting is done by simple pressing.
  • the generators of the lateral surface of the cover are inclined at less than 2 ° on the axis, the key of the tube then fully fitting the cover with a small clearance, preferably between 0.05 and 0.2 mm in diameter, and retaining it there after its rupture. It can be noted that this retention is linked to the polygonal shape and to the relative length of the embedding of the cover in the capsule and occurs without there having been necessarily.
  • the state of the flared annular depression is better preserved during storage of the tube capped with this capsule, by providing on the head of the tube a peripheral annular groove which surrounds the flared annular depression, as well as in the capsule attaching to the tube for example by screwing, an interior annular preferably annular rib which comes to be embedded in said annular groove in position for fixing at the bottom of the capsule on the tube.
  • This groove and this rib seal the fillings of the tube with the capsule after tearing of the cover.
  • a capsule material harder than the material of the head of the tube typically: capsule made of high density polyethylene or polypropylene, in the case of a tube head made of low density polyethylene or linear low density polyethylene.
  • the plastic material of the tube head is preferably identical to the plastic material forming the interior of the skirt of the tube, as already indicated. The less hard seal than the capsule is more easily retained there.
  • FIG. 1 represents a tube 1 whose head 2 made of low density polyethylene (LDPE) is overmolded on a skirt 3 having an internal layer 4 also made of LDPE.
  • This head 2 is surmounted by a tearable lid 5 whose lateral external surface 6 is of essentially square contour (FIG. 2), having around its base 7 a slight annular hollow 8.
  • the axial section of FIG. 1 shows two thick portions 9 and 9 ′ of the zone to be broken 40 of the cover, a zone lying on the one hand between the back arch 11 of the cover 5 and the circular axial internal surface 12 which connects with this arch at 13, and on the other hand, the foot from the outside of the cover 5 constituting the bottom 50 of the depression 8.
  • the four portions such as 9 and 9 ′ of maximum thickness 0.4 mm are visible on the section AA of FIG. 2 passing through the bottom 50, they are alternated with four thin portions such as 14 and 14 ′ with a minimum thickness of 0.12 mm.
  • the rupture by torsion of the cover 5 will be located according to a truncated cone 45 slightly inclined on the axis 16, going from the bottom of the hollow 8 in the vicinity of the circular connection 13 and corresponding to the minimum thicknesses 0.10 mm of the thin portions 14 and 14 ', as well as thick portions 9 and 9' whose maximum thickness is no more than 0.33 mm.
  • the frustoconical rupture 15 is shown in FIG. 5.
  • the square outline of the cover leaves around its base 7 enlargements 17 of the depression 8 (FIG.
  • the cover can also be connected to the head of the tube without any annular depression around its base, the radius of this connection then typically being less than 0.5 mm.
  • FIG. 3 also shows the capsule 20 made of PP (polypropylene) screwed fully onto the tube 1.
  • This capsule comprises a frustoconical cavity 21 which caps the contact 5 without any contact, and is bordered by a rib 22 which is inserted in position screwed into a peripheral annular groove 23 of the tube 1 encircling its annular depression 80, this depression acting beyond the open end 81 of the depression 80 (FIGS. 3 and 3a).
  • This depression 80 and the cover are thus perfectly protected from shock or bruising while screwing on the capsule 20.
  • the capsule 20 also comprises, opening at its top, a hollow cavity 24 with a square section having a clearance of 0.08 mm over its width relative to the cover and a depth of 6 mm.
  • This cavity 24 is surrounded by an outer cone 25, which fits into the annular depression 80 ( Figure 4) when the capsule 20 fits the cover 5 to break it by rotation of this cover. This rupture is easily obtained whatever the direction of rotation of the capsule 20, the latter being conveniently held by two flat wings or ribs 26.
  • FIG 5 shows the tube 1 and the capsule 20 of Figures 3 and 4 after the rupture of the cover 5 which is now trapped in the hollow cavity or key 24 of the capsule 20.
  • the orifice 12 and the formation bowl drops 15 and 18 now allow the delivery of calibrated drops and the capsule 20 allows the tube 1 to be filled after each dispensing.
  • Plastic tubes for storage and distribution of medical, paramedical or cosmetic liquids, in particular liquid vaccines to be dispensed in calibrated drops are provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Materials For Medical Uses (AREA)
  • Wrappers (AREA)
  • Tubes (AREA)
  • Buffer Packaging (AREA)
  • Cosmetics (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Endoscopes (AREA)
  • Packages (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
EP93420254A 1992-06-19 1993-06-17 Tube en matière plastique ayant un opercule déchirable, ledit tube avec une capsule et ses utilisations Expired - Lifetime EP0575272B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9207839A FR2692556B1 (fr) 1992-06-19 1992-06-19 Tube en matiere plastique ayant un opercule dechirable, ledit tube avec une capsule et ses utilisations.
FR9207839 1992-06-19

Publications (2)

Publication Number Publication Date
EP0575272A1 EP0575272A1 (fr) 1993-12-22
EP0575272B1 true EP0575272B1 (fr) 1996-01-17

Family

ID=9431206

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93420254A Expired - Lifetime EP0575272B1 (fr) 1992-06-19 1993-06-17 Tube en matière plastique ayant un opercule déchirable, ledit tube avec une capsule et ses utilisations

Country Status (12)

Country Link
US (1) US5586672A (el)
EP (1) EP0575272B1 (el)
JP (1) JP3510290B2 (el)
AT (1) ATE133129T1 (el)
CA (1) CA2098547C (el)
CZ (1) CZ111793A3 (el)
DE (1) DE69301340T2 (el)
DK (1) DK0575272T3 (el)
ES (1) ES2082616T3 (el)
FI (1) FI932835A (el)
FR (1) FR2692556B1 (el)
GR (1) GR3018718T3 (el)

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US6241132B1 (en) * 1998-05-13 2001-06-05 The Testor Corporation Fluid dispensing apparatus with fitment spout and valve
DE29902258U1 (de) * 1999-02-09 1999-07-15 Linhardt Gmbh & Co Kg Tube sowie Verschlußnippel für eine solche Tube
FR2790947B1 (fr) * 1999-03-19 2001-06-29 Eurotube Tube multidose refermable notamment pour vaccin
ES2213579T3 (es) * 1999-06-24 2004-09-01 Tuboplast Hispania, S.A. Dispositivo de inviolabilidad aplicable a conjuntos de tubo-tapon.
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JP4678664B2 (ja) * 2001-04-23 2011-04-27 大和製罐株式会社 ツイストオフ口部付き少容量容器
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ITMO20020204A1 (it) * 2002-07-16 2004-01-16 Lameplast Spa Recipiente per la confezione di prodotti fluidi o pastosi, particolarmente cosmetici, medicinali e simili
WO2004011338A2 (en) * 2002-07-30 2004-02-05 Sanford Redmond Aperture forming means and package
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US9220881B2 (en) 2005-05-26 2015-12-29 Biomed Packaging Systems Inc. Dispensing applicator for fluids
US10363404B2 (en) 2005-05-26 2019-07-30 Biomed Packaging Systems, Inc. Dispensing applicator for fluids
US10828477B2 (en) 2005-05-26 2020-11-10 Biomed Packaging Systems, Inc. Dispensing applicator for fluids
US20060266774A1 (en) * 2005-05-26 2006-11-30 Valentin Hierzer Dispensing closure
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GB0820850D0 (en) * 2008-11-14 2008-12-24 Domino Printing Sciences Plc Improvements in or relating to inkjet printing
FR2949761B1 (fr) * 2009-09-10 2011-12-02 Oreal Dispositif de conditionnement et de distribution d'un produit
GB2487968B (en) * 2011-02-11 2015-09-02 Benedetti Internat Ltd A device for the dispensation of a pharmaceutical liquid
EP2554486A1 (en) * 2011-08-04 2013-02-06 Nestec S.A. A packaging with a spout for flowable products
US9126728B1 (en) * 2013-02-05 2015-09-08 Stephen Elston Child resistant cap and related apparauts and method
EP2927156A1 (de) * 2014-03-31 2015-10-07 Sulzer Mixpac AG Kartusche und Verfahren zum Herstellen einer Kartusche
EP3263483A1 (en) * 2016-07-01 2018-01-03 Sulzer Mixpac AG Cartridge, core, mold and method of manufacturing a cartridge
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Also Published As

Publication number Publication date
FI932835A (fi) 1993-12-20
CA2098547A1 (fr) 1993-12-20
FI932835A0 (fi) 1993-06-18
ES2082616T3 (es) 1996-03-16
DE69301340T2 (de) 1996-06-27
ATE133129T1 (de) 1996-02-15
DE69301340D1 (de) 1996-02-29
CA2098547C (fr) 2003-08-19
US5586672A (en) 1996-12-24
FR2692556A1 (fr) 1993-12-24
DK0575272T3 (da) 1996-02-12
EP0575272A1 (fr) 1993-12-22
CZ111793A3 (en) 1994-01-19
GR3018718T3 (en) 1996-04-30
FR2692556B1 (fr) 1996-05-15
JP3510290B2 (ja) 2004-03-22
JPH0680151A (ja) 1994-03-22

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