Receptacles – Closures – Removable closure retained by ductile in situ deformation
Patent
1989-04-21
1989-12-12
Norton, Donald F.
Receptacles
Closures
Removable closure retained by ductile in situ deformation
220326, B65D 3900
Patent
active
048861855
ABSTRACT:
A new structure of a container and closure adapted for manufacture by an injection molding process is provided. The container includes an integrally formed neck portion having an annular spring for releasably engaging an engagement step formed in the body portion of the bottle cap. The cap is released by simply pressing a projection which extends from the spring through an opening formed in the bottle neck.
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patent: 3986635 (1976-10-01), Niskin
patent: 4682707 (1987-01-01), Wiles
patent: 4804099 (1989-02-01), Chuan
Klein David I.
Norton Donald F.
Rosenberg Morton J.
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