Tamper indicator

Details Tamper indicator Tamper indicator

1981-06-17

1983-02-08

Britts, Ramon S.

Closure fasteners

Seals

Encasing

411429, 411910, B65D 5502, F16B 4100

Patent

active

043725937

ABSTRACT:
A tamper indicator includes a collar which can be positioned to be circumambient a connection nut on a gas meter. The collar includes two portions which are interlocked by snap-catches which are located inside a locked collar. The collar portions are formed of frangible material and can include lines of weakening. Once in place, the collar cannot be removed without breaking it, and once broken cannot be repaired so that an indication is provided that the encircled connection nut may have been tampered with.

REFERENCES:
patent: 1154960 (1915-09-01), Baruch
patent: 1361615 (1920-12-01), Reesman
patent: 1626273 (1927-04-01), Dietze
patent: 1678955 (1928-07-01), Rockenbauer
patent: 1814412 (1931-07-01), Rutten
patent: 1870040 (1932-08-01), Dietze
patent: 1909203 (1933-05-01), Macklin et al.
patent: 1944195 (1934-01-01), Salisbury
patent: 3311396 (1967-03-01), Hotchkiss et al.
patent: 3380267 (1968-04-01), Winchester
patent: 4219693 (1980-08-01), French
patent: 4286640 (1981-09-01), Knox et al.
patent: 4326740 (1982-04-01), Guiler

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