Original closure member

Details Original closure member Original closure member

1978-09-29

1979-11-13

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

B65D 4134

Patent

active

041740440

ABSTRACT:
An original closure member for the pouring spout of a container includes a screw cap and a separate safety ring. The safety ring includes a break-off section connected at one end to the remainder of the safety ring but being separate from the ring at its opposite end. A stop cam projects inwardly from the break-off section into the path of lugs extending downwardly from the lower end of the screw cap. The stop cam yields when the cap is screwed onto the pouring spout, however, when the cap is unscrewed, the stop cam is unyielding and, as a result, the break-off section separates from the rest of the safety ring.

REFERENCES:
patent: 3310191 (1967-03-01), Kern
patent: 4081097 (1978-03-01), Dold

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