Receptacles – Closures – With closure opening arrangements for means
Patent
1988-06-06
1990-01-16
Marcus, Stephen
Receptacles
Closures
With closure opening arrangements for means
220318, 220335, 220343, 220344, B65D 4326
Patent
active
048937240
ABSTRACT:
A closure for a plastic canister in the 20-30 liter range has a collar coaxial with a pouring spout on the canister, with side abutments with lower surfaces arranged to cooperate with the claws of the closure. A cap is arranged to swing between an open condition and a closed condition relative to the collar. The claw is approximately U-shaped, with a transverse gripping web and two longitudinal webs ending in a fork having an upper and a lower prong. The upper prongs are arranged to form a swivel hinge with journals on the cap. The lower prongs have inner surfaces arranged to cooperate with lower surfaces of the abutments such that when the gripping web is pressed downward a sealing ring in the cap is pressed onto the end face of the pouring nozzle. The collar is arranged to fit against the cap with minimal spacings and the claw is arranged to fit against the collar and the cap with minimal spacings, when the cap is in the closed condition. The spacings permit relative movement of the claw and the cap during opening and closing of the cap, and are smaller than deformations occurring as a result of impact loads on the closure.
REFERENCES:
patent: 2329716 (1943-09-01), Johnson
patent: 2364206 (1944-12-01), Gardes
patent: 4065024 (1977-12-01), Atwell
patent: 4730747 (1988-03-01), Schiemann
Marcus Stephen
Stucker Nova
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