Self-threading container closure and method thereof

Details Self-threading container closure and method thereof Self-threading container closure and method thereof

1977-06-09

1978-08-29

Price, William

Receptacles

Closures

With seal means biased by internal pressure

53 7, 141 3, 141 20, 220 72, 220288, 220289, 222394, 229 55, B65B 104, B65D 4104, B65D 4110

Patent

active

041098200

ABSTRACT:
A self-threading container closure for a spiral wound tube useful as a container for fluids under pressure. The closure insert includes side threads in conjunction with a spherical arch and support legs. The threads permit the insert to be screwed into the walls of the tube and allow the spiral wound media to form around the closure in a liquid and pressure tight seal. This seal is enhanced by a transfer of outward fluid pressure on the spherical arch through the support legs to the threads and container walls.

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