Frangible seal

Details Frangible seal Frangible seal

1986-09-19

1987-08-11

Wolfe, Robert L.

Locks

Parts, attachments, accessories and adjuncts

Condition indicators

70 50, 70422, 292307R, E05B 3902

Patent

active

046853170

ABSTRACT:
A frangible seal is provided for use with cylindrical access and key holes. The seal is made of a tearable and pliable material, and includes teeth and a score line. The teeth hold the seal in the key hole until the seal is destroyed and removed by unraveling it along the score line.

REFERENCES:
patent: 2319753 (1943-05-01), Smith
patent: 3209569 (1965-10-01), Bryson
patent: 3975040 (1976-08-01), VanGompel
patent: 4424694 (1984-01-01), Mochida
patent: 4454736 (1984-06-01), Mochida

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