Ironing container stock manufacturing method

Details Ironing container stock manufacturing method Ironing container stock manufacturing method

1976-04-01

1977-04-12

Steiner, Arthur J.

Chemistry: electrical and wave energy

Processes and products

204 29, 428600, B21B 2702

Patent

active

040173674

ABSTRACT:
Continuous-strip process for improving ironing operations in the manufacture of drawn and ironed container bodies having a bottom wall and unitary sidewall. Strip surfaces are treated, in final cold reduction operations for flat rolled container stock, to produce sculptured surfaces with fine line impressions to hold lubricant on the exterior surface of the sidewall during ironing and to reduce intimate surface contact with the ironing mandrel on the interior surface. Electroplated protective coatings are not reflowed in order to maintain the surface indentations.

REFERENCES:
patent: 2121959 (1938-06-01), Frank
patent: 2239044 (1941-04-01), Leighton
patent: 2434290 (1948-01-01), Schutte
patent: 2850999 (1958-09-01), Kaplan et al.
patent: 2851000 (1958-09-01), Kaplan et al.
patent: 3145468 (1964-08-01), Johnson
patent: 3377828 (1968-04-01), Harmon
patent: 3413832 (1968-12-01), Lang et al.

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