Tamper-proof seals

Details Tamper-proof seals Tamper-proof seals

1975-11-13

1976-08-17

Hall, George T.

Receptacles

Closures

With closure opening arrangements for means

220375, 150 5, 222541, 215306, 215250, B65D 4132

Patent

active

039749380

ABSTRACT:
A seal in or for a blood bag has a first tamperproof seal consisting of a tube with an end wall separated by a line of weakening from an access passage. The line of weakening is torn open to gain access to the passage. The end wall is attached also by a flexible strap, and the action of tearing the line of weakening open renders available a plug also borne by the strap. Resealing by this plug is also tamper-proof in the sense that the plug cannot be removed without evidence that removal has been done or attempted.

REFERENCES:
patent: 2964945 (1960-12-01), Walkowiak
patent: 3199748 (1965-08-01), Bross
patent: 3282477 (1961-01-01), Henchert
patent: 3330439 (1967-07-01), Moorman
patent: 3608771 (1971-09-01), Monroe et al.
patent: 3648886 (1972-03-01), Pringle
patent: 3710612 (1973-01-01), Innes
patent: 3858739 (1975-01-01), Turner et al.
patent: 3912107 (1975-10-01), Baumann

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