Warp resistant closure for sanitary cans

Details Warp resistant closure for sanitary cans Warp resistant closure for sanitary cans

1981-10-16

1984-08-28

Shoap, Allan N.

Receptacles

Receptacle side wall made of two or more layers of material...

Beverage receptacle

220 67, B65D 808

Patent

active

044679335

ABSTRACT:
A closure for sanitary or food cans made from high temper plate to withstand the high pressure developed during processing without permanent distortion or buckling. An upwardly directed reinforcing annular bead is introduced concentric with a countersink groove which is disposed between the end flange and said annular bead. The ends are further contoured with a series of transitional steps or panels inward of said annular bead. These features enhance the strength of the closure without inducing substantial warpage.

REFERENCES:
patent: 1987817 (1935-01-01), Burns
patent: 2119533 (1938-06-01), Fink
patent: 3142280 (1964-07-01), Heinle
patent: 3341058 (1967-09-01), Martin
patent: 3362570 (1968-01-01), Geiger
patent: 3628689 (1971-12-01), Rogers
patent: 3638825 (1972-02-01), Franek et al.
patent: 3814279 (1974-06-01), Rayzal
patent: 3891116 (1975-06-01), Schane
patent: 4010867 (1977-03-01), Jones

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