Tube with screw cap

Details Tube with screw cap Tube with screw cap

1983-03-07

1988-02-09

Marmor, Charles A.

Dispensing

With cutter and/or punch

To form dispensing opening in container

222 91, 222541, B67B 754

Patent

active

047236876

ABSTRACT:
A tube consisting of plastic or metal has a threaded tube neck which is sealed by a membrane and includes a cap with internal thread for mounting on the tube neck. The cap has projecting from its face a tubular punch member whose outer diameter correponds to the inner diameter of the tube neck and which has a circular cutting edge formed thereon for cutting the membrane from the tube neck when the cap is screwed or pressed onto the tubular neck. A retaining member is provided for holding the membrane in engagement with the punch member to prevent it from entering the tube.

REFERENCES:
patent: 3240226 (1966-03-01), Burkholder
patent: 4185756 (1980-01-01), Sciamonte

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