Anti-loosening snap-fit cap for dispenser

Details Anti-loosening snap-fit cap for dispenser Anti-loosening snap-fit cap for dispenser

1990-03-28

1991-12-17

Huppert, Michael S.

Dispensing

With discharge assistant

With material supply container and discharge assistant with...

222545, 215276, 277215, B67D 540

Patent

active

050728601

ABSTRACT:
A closure cap snap-fitted to the lower end of a dispenser body is threaded to the neck of a container of fluid to be dispensed and resists back-off or loosening from the container by resisting rotation of the body about the central axis of the container. Cooperating slip-resistant surfaces are provided between an edge wall of a flexible skirt on the cap and a confronting flange on the body. Rotation of the body is further resisted by the provision of slip-resistant cooperating surfaces between opposing sides of a gasket seal and the respective lower and upper confronting surface of the dispenser body and the container neck.

REFERENCES:
patent: Re29916 (1979-02-01), Schmid et al.
patent: 3128018 (1961-07-01), Corsette et al.
patent: 3179306 (1963-03-01), Corsette
patent: 3650473 (1972-03-01), Malone
patent: 4168788 (1979-09-01), Quinn
patent: 4215869 (1980-08-01), Pendleton
patent: 4361256 (1982-11-01), Corsette
patent: 4747498 (1988-05-01), Goch
patent: 4944431 (1990-07-01), Blake

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