Seal with annular grooves

Details Seal with annular grooves Seal with annular grooves

1985-08-26

1991-02-12

Gall, Lloyd A.

Closure fasteners

Seal bolts

292331, E05B 3902

Patent

active

049918893

ABSTRACT:
Engagement lock comprising two members (1 and 2) which can be interlocked after they are passed through the locking rings (3, 4) of a container. The first member (1) is rod-shaped and has a head (5) which cannot pass through the locking rings (3, 4). Opposite the head it has an insertion end (6) of metal. The lock cannot be broken by bending the rod-shaped body from side to side because this body has a core of steel wire (12) whose elongation extends into the head. The elongation of the steel wire (12) is embedded in polyacetal which also forms the head (5), and the layer of polyacetal around the steel wire (12) has one or more annular grooves (14) in which it can break by bending the rod-shaped body.

REFERENCES:
patent: 876028 (1908-01-01), Taylor
patent: 883501 (1908-03-01), Swallow
patent: 2796277 (1957-05-01), Brooks et al.
patent: 3330586 (1967-07-01), Becker et al.
patent: 3435642 (1969-04-01), Del Pesco
patent: 3463532 (1969-08-01), Chidley et al.
patent: 3980337 (1976-09-01), Moberg et al.
patent: 3994521 (1976-11-01), Van Gompel
patent: 4007956 (1977-02-01), Harris et al.
patent: 4161348 (1979-07-01), Ulrich
patent: 4280726 (1981-07-01), McCoag
patent: 4326741 (1982-04-01), Wilson

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