EP1220793B1 - Spiralverriegelungsverschluss - Google Patents

Spiralverriegelungsverschluss Download PDF

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Publication number
EP1220793B1
EP1220793B1 EP00930589A EP00930589A EP1220793B1 EP 1220793 B1 EP1220793 B1 EP 1220793B1 EP 00930589 A EP00930589 A EP 00930589A EP 00930589 A EP00930589 A EP 00930589A EP 1220793 B1 EP1220793 B1 EP 1220793B1
Authority
EP
European Patent Office
Prior art keywords
sleeve
cap
container
neck
liner
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
EP00930589A
Other languages
English (en)
French (fr)
Other versions
EP1220793A4 (de
EP1220793A1 (de
Inventor
Peter M. Zielinski
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.)
Comar Inc
Original Assignee
Comar Inc
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 Comar Inc filed Critical Comar Inc
Priority claimed from PCT/US2000/012861 external-priority patent/WO2000069740A1/en
Publication of EP1220793A1 publication Critical patent/EP1220793A1/de
Publication of EP1220793A4 publication Critical patent/EP1220793A4/de
Application granted granted Critical
Publication of EP1220793B1 publication Critical patent/EP1220793B1/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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0435—Threaded or like caps or cap-like covers secured by rotation with separate sealing elements
    • B65D41/045—Discs
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/06—Threaded or like caps or cap-like covers secured by rotation with bayonet cams, i.e. removed by first pushing axially to disengage the cams and then rotating
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/08—Threaded or like caps or cap-like covers secured by rotation engaging a threaded ring clamped on the external periphery of the neck or wall

Definitions

  • the present invention relates to a closure assembly for a container according to the preamble of claim 1, in particular to improvements in closure assemblies for containers which are used for products which require autoclave sterilization processing.
  • a closure assembly according to the preamble of claim 1 is known from FR-A-1 226 087 .
  • US 3,927,783 discloses a safety closure for containers which is child resistant.
  • the closure assembly comprises a cap of a cup-shaped form having a top and a depending skirt comprising wedges. Further, recessed tracks are directly provided on the neck of the container.
  • Figs. 1 and 2 the locking helical closure system (10) shown installed on a container (30) in Fig. 1 is designed to resist "unscrewing" during the autoclave sterilization process. Due to thermal creep of the materials involved, prior art closures become loosened causing the threaded closure to back off thereby breaching the seal rendering the container contents unusable.
  • the closure system (10) of the present invention is comprised of three components; a cylindrically shaped neck finish sleeve (11), a liner disk or stopper (12) generally made of an elastic material sealing the contents of the container, and a cup shaped closure cap (13) shown cut away in Fig. 1 .
  • the neck finish sleeve (11) and the closure cap (13), shown in the engaged position in Fig. 1 interact cooperatively to prevent the closure system (10) from backing off during the sterilization process while closure cap (13) simultaneously applies a downward force to liner disk or stopper (12).
  • the parts of the locking system are assembled in the following manner. First the sleeve (11) is press fitted on the neck of the container until the bottom edge (11a) of the sleeve (11) abuts the circumferentially extending rib (R) separating the bottle finish and the body portion of the container. The liner seal (12) is then positioned over the discharge edge end of the container in the position shown in Fig. 1 .
  • the liner (12) is of a diameter smaller than the diameter of the sleeve (11) so that when the cap is positioned over the liner, the lugs (14) can align with and engage in the entrance end of the helical slots (15). Rotation of the cap in a clockwise direction seats the cap and locks the cap in place when the lugs (14) pass over the retention bumps (17) and engage in the locking slots (16).
  • neck finish (11) is shown installed on neck (31) of container (30).
  • Neck finish (11) is force fitted onto neck (31) of container (30) so as to prevent neck finish (11) from rotating during the application of closure cap (13).
  • Closure cap (13) shown in an isolated cut away view in Fig. 3 more clearly illustrate its salient features. Engagement lugs (14) at the open end of closure cap (13) and force focusing means (18) at the closed end of closure cap (13) act cooperatively to secure liner or stopper (12) on to container (30).
  • neck finish (11) showing helical slots 15 that spiral downward, pocket 16 that holds engagement lugs (14) and indicate when closure cap (13) is fully secured on container (30), and retention bumps (17) that prevent closure cap (13) from counter-rotating during the sterilization process.
  • neck finish (11) is force fitted on neck (31) of container (30).
  • Liner or stopper (12) is placed on top of container (30) or alternatively, is placed within closure cap (13) which is then placed over neck finish (11) such that engagement lugs (14) align with helical slots 15.
  • closure cap (13) is rotated pulling it downward along helical slots 15 simultaneously compressing liner or stopper (12) through force focusing means (18).
  • a slightly increased forced rotation of closure cap (13) is required to move engagement lugs (14) over retention bumps (17) and into pocket 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Claims (1)

  1. Verschlußanordnung (10) für einen Behälter (30) mit einem im wesentlichen zylindrischen Halsende, aufweisend eine Halsendehülse (11), die im wesentlichen eine zylindrische Form aufweist und auf dem Hals (31) des Containers (30) durch Kraft- oder Druckschluß sitzt, einen Deckel (13) mit einer topfförmigen Form, der ein oberes Ende und einen verbundenen Mantel aufweist, gekennzeichnet durch
    ein Mittel, das eine Reihe von umlaufend voneinander beabstandeten Spiralnuten (15) auf der äußeren Oberfläche, die in der äußeren Oberfläche der Hülse (11) festgelegt ist, festlegt, wobei jede Nut benachbart zu der unteren Kante der Hülse (11) in einem länglichen Verriegelungsschlitz (16) endet, eine Reihe von umlaufend voneinander beabstandeten Ansätzen (14), die radial nach innen gerichtet sind und von der unteren Kante des Mantels nach innen vorstehen und umlaufend gleich beabstandet sind, um mit den Spiralnuten (15) in der Hülse (14) ausgerichtet zu sein, wodurch, wenn der Deckel (13) relativ zur Hülse (11) gedreht wird, die Ansätze (14) entlang der Nuten (15) laufen und im Boden der Verriegelungsschlitze (16) in Eingriff kommen, um den Deckel (13) auf der Hülse (14) zu halten, und ferner gekennzeichnet durch eine Dichtscheibe (12), die im allgemeinen aus einem elastischen Material gebildet ist und oberhalb des Abgabekantenendes des Halses (31) des Behälters (30) positioniert ist, wobei die Dichtscheibe (12) einen Durchmesser (12) aufweist, der kleiner ist als der Durchmesser der Hülse (11), so daß, wenn der Deckel oberhalb der Dichtung angeordnet ist, die Ansätze (14) mit dem Eingangsende der Spiralnuten (15) ausgerichtet und mit ihnen in Eingriff sein können.
EP00930589A 1999-05-13 2000-05-11 Spiralverriegelungsverschluss Expired - Lifetime EP1220793B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US13391099P 1999-05-13 1999-05-13
US18746099P 1999-05-13 1999-05-13
US133910P 1999-05-13
PCT/US2000/012861 WO2000069740A1 (en) 1999-05-13 2000-05-11 Locking helical closure system

Publications (3)

Publication Number Publication Date
EP1220793A1 EP1220793A1 (de) 2002-07-10
EP1220793A4 EP1220793A4 (de) 2009-05-20
EP1220793B1 true EP1220793B1 (de) 2011-08-31

Family

ID=26831798

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00930589A Expired - Lifetime EP1220793B1 (de) 1999-05-13 2000-05-11 Spiralverriegelungsverschluss

Country Status (1)

Country Link
EP (1) EP1220793B1 (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1226087A (fr) * 1959-05-29 1960-07-08 Système de bouchage pour bouteilles et autres récipients
US3927783A (en) * 1974-01-28 1975-12-23 Clayton Bogert Safety closure for containers

Also Published As

Publication number Publication date
EP1220793A4 (de) 2009-05-20
EP1220793A1 (de) 2002-07-10

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