Method for forming a sealing closure for a bottle

Details Method for forming a sealing closure for a bottle Method for forming a sealing closure for a bottle

1994-02-16

1995-10-17

Culver, Horace M.

Package making

Methods

Closing package or filled receptacle

53331, B67B 312, B67B 318

Patent

active

054579430

ABSTRACT:
A sealing closure for a bottle which relieves excess pressure is formed by placing an aluminum cap including a sealing disk of compressible elastic material on the bottle neck, and forming the cap by means of a die which is pressed axially against the top or frontal surface of the bottle neck. The die has circumferentially-spaced projections which produce corresponding depressions in the cap opposite the frontal surface and simultaneously compress the disk between the cap and the frontal surface leaving the areas between said depressions slightly compressed. Excess gas escapes by compressing the slightly compressed areas of the sealing disk to lift the disk off the lip of the bottle.

REFERENCES:
patent: 965498 (1910-07-01), Adriance et al.
patent: 2409788 (1946-10-01), Osborne
patent: 2409789 (1946-10-01), Osborne
patent: 3039247 (1962-06-01), Thomas et al.
patent: 3219004 (1965-11-01), Wilton
patent: 3223268 (1965-12-01), Whitchurch
patent: 3273303 (1966-09-01), Hill
patent: 3450291 (1969-06-01), Lovell
patent: 4555208 (1985-11-01), Houdayer et al.
patent: 4628669 (1986-12-01), Herron et al.

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