Tamperproof shackle seals

Details Tamperproof shackle seals Tamperproof shackle seals

1978-10-26

1980-09-09

Lyddane, William E.

Closure fasteners

Seals

Single piece, spring catch

24 16PB, 24 305P, 292319, B65D 5506, B65D 2730, B65D 3334

Patent

active

042214092

ABSTRACT:
A tamperproof shackle seal, of the kind including a plug, at one end of a strap, which is self-locking within a socket at the other end of the strap, is capable of use immediately after being integrally moulded in a plastics material, without the need for subsequent manufacturing operations, by virtue of forming a recess set in the wall of the socket into which a barb projecting laterally outwards from the plug is snapped, during use, the plug being formed throughout its length to be of substantially similar transverse cross-section to the socket, and there preferably being a tortuous path presented by ribs/grooves on the plug interengaging with grooves/ribs of complementary shape on the socket, thereby hampering any attempts to release the seal without causing visible damage.

REFERENCES:
patent: 2206803 (1940-07-01), Brimhall
patent: 2840353 (1958-07-01), Muspratt
patent: 2979794 (1961-04-01), Bartolo
patent: 3146012 (1964-08-01), King, Sr.
patent: 3581349 (1971-06-01), Verspieren
patent: 3954295 (1976-05-01), Harley
patent: 4082336 (1978-04-01), Natkins
patent: 4097966 (1978-07-01), Lefnaer

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