Tamper-proof fastener

Details Tamper-proof fastener Tamper-proof fastener

1982-03-25

1983-12-27

Moore, Richard E.

Closure fasteners

Seals

Encasing

B05D 3334

Patent

active

044226799

ABSTRACT:
Disclosed is a tamper-proof device for fastening a sealing collar. A hard metal tab engages a slot in the head of a bolt and prevents the bolt from turning, thereby preventing removal of the sealing collar. The device also provides means which prevent removal of the hard metal tab.

REFERENCES:
patent: 1677607 (1928-07-01), Wood
patent: 2084963 (1937-06-01), Paige, Jr.
patent: 2226396 (1940-12-01), Wackman
patent: 2772109 (1956-11-01), Busch et al.
patent: 3259414 (1966-07-01), Rothert
patent: 4076291 (1978-02-01), Pope et al.
patent: 4225165 (1980-09-01), Kesselman

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