Bottles and jars – Closures – Cap type
Patent
1989-02-14
1989-08-15
Norton, Donald F.
Bottles and jars
Closures
Cap type
215354, B65D 4104
Patent
active
048566683
ABSTRACT:
The invention relates to a bottle closure which is suitable, in particular, for champagne bottles having threaded mouths. This bottle closure is unitary made and is of plastic and has a stopper like sealing shank, with a smooth exterior, which penetrates into the neck of the bottle. A cap comprising an internal thread which is adapted to the external thread of the bottle is provided around the sealing shank. The latter projects somewhat beyond the thread of the cap so that, when the bottle closure is opened, a "plop" which is a typical noise of a champagne bottle, is produced. The bottle itself has a bead which, when the bottle closure is in place, is covered by the lower end of the cap. Between the uppermost turn of the thread of the cap and the beginning of the sealing shank on the cap there is provided a sealing lip which, when the bottle closure is in place, bears upon the upper edge of the neck of the bottle.
REFERENCES:
patent: 2582721 (1952-01-01), Roshkind
patent: 2717728 (1955-09-01), Gray
patent: 3074579 (1963-01-01), Miller
patent: 4090631 (1978-05-01), Grussen
patent: 4450973 (1984-05-01), Toeppen
patent: 4645088 (1987-02-01), Menichetti
Pfefferkorn Bernd
Pfefferkorn Hans
Reiter Viktor
Norton Donald F.
Pfefferkorn & Co. GmbH
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