Capsule

Details Capsule Capsule

1995-06-30

1997-09-02

Cronin, Stephen K.

Bottles and jars

Closures

Frangible member or portion

215256, B65D 4132

Patent

active

056622325

ABSTRACT:
There is provided a capsule in which large and sharp burr is not easily formed in such case of unsealing. This capsule comprises a cap portion 1, a skirt portion 2, and a tearable guarantee strip 3. Weakening lines 4 and 5 are formed at a boundary between the tearable guarantee strip 3 and the cap portion 1, and at a boundary between the tearable guarantee strip 3 and the skirt portion 2. The weakening line 5 comprises linear compressed part 8 and saw-tooth-like compressed parts 9. The saw-tooth-like compressed parts 9 are formed so as to serrate from the linear compressed part 8 to the tearable guarantee strip 3 side. The saw-tooth-like compressed parts 9 may be also formed so as to serrate from the linear compressed part 8 to the skirt portion 2 side. The weakening line 5 may be also formed of a plurality of circular arc compressed parts each drawing an arc on the tearable guarantee strip 3 side and disposed with a certain distance. The weakening line 5 may be also formed of circular arc holes instead of circular arc compressed parts. The weakening line 4 may also comprise either linear compressed part 8 and saw-tooth-like compressed parts 9 or circular arc compressed parts only.

REFERENCES:
patent: 1481035 (1924-01-01), Stattmann
patent: 1712102 (1929-05-01), Carvalho
patent: 1875431 (1932-09-01), Fabrice
patent: 2806620 (1957-09-01), Blanch
patent: 2954139 (1960-09-01), Owens
patent: 4109816 (1978-08-01), Faulstich
patent: 4749096 (1988-06-01), Thomas et al.
patent: 4805792 (1989-02-01), Lecinski, Jr.
patent: 5103989 (1992-04-01), Druesne et al.
patent: 5222616 (1993-06-01), Druesne et al.

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