Thrusting cock

Details Thrusting cock Thrusting cock

1975-05-19

1976-08-10

Knowles, Allen N.

Dispensing

With cutter and/or punch

To form dispensing opening in container

B67B 726

Patent

active

039736989

ABSTRACT:
A thrusting cock which is used for pouring out the liquid contents of a paper container by being thrust into the wall portion of said container, and comprises: a cylindrical body portion; a flange portion integrally formed on the front end of said body portion; a double-edged knife attached to the front face of said flange portion; auxiliary knives attached to both surfaces of said double-edged knife; a spiral ridge formed between the rear ends of said auxiliary knives and the front portion of said flange; and a gasket provided between the rear end of said spiral ridge and the front face of said flange.

REFERENCES:
patent: 3549049 (1970-12-01), Weber

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