Tamper evident container seal

Details Tamper evident container seal Tamper evident container seal

1987-04-07

1988-02-16

Norton, Donald F.

Bottles and jars

Closures

Shrinkable closure, fastener, or seal

53415, 53442, B65D 4162

Patent

active

047249730

ABSTRACT:
A tamper evident seal for containers having a plastic shrink sleeve placed around the cap and neck and extending over the shoulder. A paper label is placed over a portion of the sleeve to prevent the sleeve from being removed intact. The sleeve has zigzag, saw-tooth perforations above and below a median line. The perforations are between the shoulder and cap of the container. When the cap is twisted and removed the plastic sleeve is randomly fragmented making it difficult, if not impossible to match in any attempt to reseal the container.

REFERENCES:
patent: 2361464 (1944-10-01), Edwards et al.
patent: 2954139 (1960-09-01), Owens
patent: 4544073 (1985-10-01), Willis
patent: 4633648 (1987-01-01), Yeung

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