Pilfer-proof closure cap of plastic material

Details Pilfer-proof closure cap of plastic material Pilfer-proof closure cap of plastic material

1979-03-08

1982-08-31

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

B65D 4134

Patent

active

043468110

ABSTRACT:
An internally threaded cap shell is screwed on the neck of a container such as a bottle of the type used for pharmaceutical products and the like. A ring is joined to the cap shell by means of plastic connecting bridges which are concealed by a downward extension of the cap in the form of a projecting annular flange. The ring and the bridges are located substantially in the line of extension of the side wall of the cap shell and the free end of the ring has a rib which is applied under an annular projection of the bottle neck.

REFERENCES:
patent: 3329295 (1967-07-01), Fields
patent: 3455478 (1969-07-01), Fields
patent: 3673761 (1972-07-01), Leitz
patent: 3737064 (1973-06-01), Patel
patent: 3980195 (1976-09-01), Fillmore
patent: 4062466 (1977-12-01), Conti
patent: 4126240 (1978-11-01), Brach
patent: 4156490 (1979-05-01), Peraboni
patent: 4196818 (1980-04-01), Brownbill

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