Tamper resistant seal with controlled break

Closure fasteners – Seals – Compressible disk

Patent

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Details

292307R, 292320, B65D 2730

Patent

active

056391315

ABSTRACT:
A tamper resistant seal and method of forming a seal including a strip having at least one end portion which is foldable about one or more score lines each having two or more segments which converge with one another across the strip generally obliquely relative to a longitudinal axis thereof and wherein the end portion is caused to be severed in a controlled manner to provide visual evidence of tampering.

REFERENCES:
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patent: 1064462 (1913-06-01), Edgar
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patent: 1155772 (1915-10-01), Tyden
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patent: 1416683 (1922-05-01), Brooks
patent: 1762961 (1930-06-01), Dessauer
patent: 1821418 (1931-09-01), Brooks
patent: 1934121 (1933-11-01), Fluker
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patent: 2312023 (1943-02-01), Brooks
patent: 2465349 (1949-03-01), Brooks
patent: 2794278 (1957-06-01), Percival et al.
patent: 2809651 (1957-10-01), Moberg
patent: 2914354 (1959-11-01), Moberg
patent: 2926944 (1960-03-01), Moberg
patent: 2965401 (1960-12-01), Nierhaus
patent: 2980462 (1961-04-01), Moberg
P. 5, Stoffel Self-Lock.RTM. Seal and Stoffel Fold-Lok.RTM., from Stoffel Tamper Resistant Seals, 1983 Stoffel Seals Corporation.

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