Process for the production of metallic packaging of generally pr

Details Process for the production of metallic packaging of generally pr Process for the production of metallic packaging of generally pr

1996-02-05

1998-09-29

Shoap, Allan N.

Receptacles

End wall structure

Joint or seam between sidewall and end wall

723794, 220669, B21D 628, B65D 638, B65D 1110

Patent

active

058135650

ABSTRACT:
According to this process, a tubular metal body (10) of substantially polygonal cross-section is formed, delimiting lateral faces (12) of the package which are connected together by rounded corners (14). Then a radially projecting metal-expansion bead (18) is formed in proximity to a first end of the body (10) and in each of the corners of this body. The beads (18) are all substantially the same distance from this first end. Finally, a neck (20) and a flange (22) extending this neck are formed on the first end of the body (10), and a detached metal face (24) forming a bottom or a top of the package is seamed onto the flange (22).

REFERENCES:
patent: 1316237 (1919-09-01), Hodgson
patent: 1645971 (1927-10-01), Riegel
patent: 2071602 (1937-02-01), Rheem
patent: 2114137 (1938-04-01), Conner
patent: 2153365 (1939-04-01), Conner
patent: 2596043 (1952-05-01), Piker
patent: 3157308 (1964-11-01), Foster
patent: 3953994 (1976-05-01), Brawner et al.
patent: 4113095 (1978-09-01), Dietz et al.

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