Drawn and ironed can body

Details Drawn and ironed can body Drawn and ironed can body

1981-05-29

1983-11-01

Price, William

Receptacles

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

Beverage receptacle

220 70, 220 1BC, B65D 602, B65D 742

Patent

active

044126271

ABSTRACT:
A drawn and ironed can body has a cylindrical side wall and an integral end wall which closes one end of the side wall. The end wall includes a rim that generally curves inwardly from the side wall and a domed central section which closes the area circumscribed by the rim, all such that the rim forms the lowest portion of the can body. The rim is configured such that when the can body is subjected to elevated internal pressures, the rim deforms in a controlled manner, and this deformation causes the domed wall to move axially away from the opposite end of the can body without buckling, thereby increasing the volume of the can body.

REFERENCES:
patent: 3904069 (1975-09-01), Toukmanian
patent: 3979009 (1976-09-01), Walker
patent: 4120419 (1978-10-01), Saunders
patent: 4177746 (1979-12-01), Lee, Jr. et al.
patent: 4231483 (1980-11-01), Dechenne et al.
patent: 4294373 (1981-10-01), Miller et al.

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