Bottles and jars – Closures – Frangible member or portion
Patent
1983-07-27
1984-11-27
Hall, George T.
Bottles and jars
Closures
Frangible member or portion
B65D 4148
Patent
active
044846878
ABSTRACT:
To prevent tampering with the contents of containers for pharmaceuticals and other products, a plastic cap which is an improvement upon U.S. Pat. Nos. 3,338,446 and 4,166,552. The neck of the container is sealed with a commercially available foil seal; the cap is dimensioned so that the foil seal is inserted inside the cap prior to its being applied to the container. The dimensions of the cap accommodate the foil seal yet the snap-on and the tamper-proof features of the cap are maintained. At intervals, scorelines are formed extending upward from the bottom of the cap skirt; these tear if one attempts to pry the cap off the container and are visible evidence of the tampering. A flexible, thin flange projecting from the periphery of the cap is used to removed the cap in its reclosure mode; however, this flange has a sharp corner where it meets the cap skirt so that if one attempts to use the flange to pry off the cap when in its original sealing mode, the flange tears and gives additional evidence of tampering.
REFERENCES:
patent: 3940004 (1976-02-01), Faulstich
patent: 4162736 (1979-07-01), Faulstich
patent: 4166552 (1979-09-01), Faulstich
patent: 4417666 (1983-11-01), Roberts
patent: 4438857 (1984-03-01), Bullock
Caplan Julian
Hall George T.
Three Sisters Ranch Enterprises Ptnrshp
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