Closure construction

Details Closure construction Closure construction

1978-05-08

1979-01-23

Hall, George T.

Receptacles

Closures

Removable closure guided in rotary movement

285203, B65D 4104

Patent

active

041356390

ABSTRACT:
Disclosed are a closure construction for a container, such as a steel drum, embodying a flange member having an internally threaded opening adapted to be closed by an externally threaded cap, the flange member having an integral flange portion that is firmly secured in an offset portion of the container wall by means of spaced protuberances at the outer edge of the flange portion that are tightly engaged by the offset portion of the container wall, the protuberances being formed in the flange portion while the container wall adjacent the flange portion is secured against deformation, so that formation of the protuberances causes deformations of the container wall at and around the protuberances which firmly lock the flange member in place by engagement with the protuberances. Also disclosed are a method of making the closure construction, and apparatus for making it.

REFERENCES:
patent: 1947425 (1934-02-01), Rieke
patent: 3791021 (1974-02-01), Bauman
patent: 3894331 (1975-07-01), Ragettli

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