Receptacles – Closures – Removable closure guided in rotary movement
Patent
1976-02-11
1977-10-18
Price, William
Receptacles
Closures
Removable closure guided in rotary movement
206515, 215318, 220289, 220304, 220355, B65D 4110
Patent
active
040542297
ABSTRACT:
A container is provided and comprises a deformable metallic container body adapted to contain a product therein and having a bottom wall and a side wall which has an a tubular upper portion terminating in an open end and a deformable metallic closure for said container body. The closure has a main body portion adjoined at its outer edge by an annular flange with the flange having a roughly U-shaped cross-sectional configuration defined by a bight with an inner leg portion and an outer leg portion extending from opposite ends of the bight; and, the inner leg portion adjoins the main body portion and the outer leg portion is disposed radially outwardly of the open end and terminates therebeneath. One of the tubular upper portion and the inner leg portion is made of a relatively weak metal and the other of a relatively strong metal; and, at least one protrusion is provided in the strong metal portion and is convex into the weak metal portion with the weak metal portion having a corresponding cap disposed around the protrusion. The closure is adapted to be removed by applying a rotational and lifting force against the outer leg portion causing the protrusion to deform the weaker metal portion by defining a thread-like groove therein due to the rotational and lifting action enabling easy removal of the closure.
REFERENCES:
patent: 1930324 (1933-10-01), Stern
patent: 2117407 (1938-05-01), Davis
patent: 2723142 (1955-11-01), Stebbins
patent: 3137409 (1964-06-01), Davis
patent: 3270904 (1966-09-01), Foster et al.
patent: 3517848 (1970-06-01), Kesler et al.
patent: 3690503 (1972-09-01), Curry
Price William
Reynolds Metals Company
Shoap Allan N.
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