Seamless can with necked-in portion

Details Seamless can with necked-in portion Seamless can with necked-in portion

1995-05-01

1998-05-12

Dye, Rena

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 359, 428335, 428458, 2065243, 220458, 220926, 220DIG22, 420128, B65D 114, B65D 2302

Patent

active

057502226

ABSTRACT:
An organic resin-coated seamless can with necked-in portion is disclosed, which is produced by subjecting a resin-coated steel sheet to drawing-re-drawing for reducing thickness or to drawing-re-drawing-ironing for reducing thickness-ironing and which has a ratio of diameter of necked-in portion to diameter of body of 0.9 or less than that, said steel sheet being coated by 5- to 30-.mu.m thick organic resin layer on both surfaces of aluminum-killed, surface-treated steel sheet of 0.01 to 0.13 % by weight in total carbon amount and not more than 6.5 .mu.m in average grain diameter having been subjected to over-aging after continuous annealing to adjust to not more than 10 ppm in solid-dissolved carbon amount. This can scarcely has rough surface or pinholes in the necked-in portion even when the necked-in portion has been considerably compressed upon its formation.

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Auflage, 10th ed., Germany, 1974.
Encyclopedia of Chemical Technology, vol. 21, p. 612, 1978.
Reed-Hill, Dr. Robert E., Physical Metallurgy Principles, second edition, p. 363, 1973.

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