Manufacture of thin-walled containers

Details Manufacture of thin-walled containers Manufacture of thin-walled containers

1974-08-16

1976-06-22

Smith, Al Lawrence

Metal fusion bonding

Process

With shaping

113120L, 228184, 228155, B23K 3102

Patent

active

RE0288756

ABSTRACT:
Metal containers, particularly for beer, have been made from stainless steel which is compatable with beer or aluminum which is specially coated to make a compatable inner surface. The stainless steel container is expensive when the wall thickness is such as to withstand rough handling and the cheaper aluminum container has a limited life depending on the internal coating. The present invention provides a double wall container of which the inner wall is of thin stainless steel. The invention solves the hitherto insurmountable problems of forming a thin walled inner vessel and expanding it inside an outer vessel so that the resulting inner vessel is without crevices which would otherwise be extremely difficult to clean to meet strict hygiene regulations.

REFERENCES:
patent: 1748138 (1930-02-01), McBride
patent: 1788261 (1931-01-01), Werder
patent: 2038420 (1936-04-01), Coakley
patent: 2088101 (1937-07-01), Widman et al.
patent: 2198315 (1940-04-01), Nyberg
patent: 2326137 (1943-08-01), Gettelman
patent: 2459316 (1949-01-01), Gramelspacher
patent: 2460820 (1949-02-01), Hagopian
patent: 3386151 (1968-06-01), Combes

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