Container closure

Details Container closure Container closure

1984-07-12

1986-01-21

Norton, Donald F.

Bottles and jars

Closures

Shrinkable closure, fastener, or seal

215252, B65D 4134

Patent

active

045652937

ABSTRACT:
A pilfer-proof closure has an inwardly threaded side wall (7) terminating (at 10) at or just below an annular flange means (17) on the neck of the container (14). Shrunk-in below the flange means (17) is a tamper-evident band (9) joined by a small number (usually 3) of bridges (11, 12, 13). One of the bridges (13) is preferably made weaker than the others.

REFERENCES:
patent: 3438528 (1969-04-01), Fields
patent: 3601273 (1971-08-01), Kutcher
patent: 3673761 (1972-07-01), Leitz
patent: 3929246 (1975-12-01), Leitz
patent: 4033472 (1977-07-01), Aichinger
patent: 4206851 (1980-06-01), Ostrowsky
patent: 4345692 (1982-08-01), Obrist et al.
patent: 4432461 (1984-02-01), Mumford et al.

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