Stopper capsules and method for production thereof

Details Stopper capsules and method for production thereof Stopper capsules and method for production thereof

2011-04-12

2011-04-12

Stashick, Anthony (Department: 3781)

Bottles and jars

Closures

Stopper type

C215S021000, C215S252000, C215S312000, C215S349000

Reexamination Certificate

active

07922019

ABSTRACT:
The screw capsule includes two parts, a) an insert with a so-called internal head and an internally-threaded skirt a metallic shell, including an external head and an external skirt, the capsule being typically provided with a sealing element, a tamper-protection element and a member for first opening, characterised in that the external skirt includes at least one piece, typically cylindrical, of height, diameter corresponding to the neck for sealing and at least one radially-expanded section, of height, within a circle of diameter D2>D1, such as to form an annular radial cavity. The above offers the advantage that the expanded section particularly facilitates the manipulation of the capsule (1) and the rotation thereof with relation to the neck for opening/closing the container by unscrewing/screwing up the capsule on the neck.

REFERENCES:
patent: 1820192 (1931-08-01), Hothersall
patent: 1969777 (1934-08-01), Burke
patent: 2280724 (1942-04-01), Sharp
patent: 3455479 (1969-07-01), Hadley et al.
patent: 5915576 (1999-06-01), Robinson
patent: 2003/0021919 (2003-01-01), Granger et al.
patent: 265 374 (1949-11-01), None
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patent: 10 69 486 (1958-07-01), None
patent: 1 544 585 (1968-10-01), None
patent: WO 94 20237 (1994-09-01), None
patent: WO 03 057583 (2003-07-01), None
Patent Abstracts of Japan, vol. 017, No. 343 (M-1436), Jun. 29, 1993-&,JP 05 042954 A (Hisashi Kinzoku Kogyo KK; Others : 01), Feb. 23, 1993 abrege; figure 4.

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