System for forming and trimming of tubular articles

Details System for forming and trimming of tubular articles System for forming and trimming of tubular articles

1976-06-24

1977-12-13

Gilden, Leon

72334, 83 54, B21D 5126

Patent

active

040623114

ABSTRACT:
The instant invention relates to a system for the forming and trimming of tubular articles, such as aluminum and steel cans. The irregular edge at the open end of the can is trimmed by internally and externally positioned knives with respect to the can, with the internally positioned knife having a diameter less than 0.0015 inch shorter than the inside diameter of the can.

REFERENCES:
patent: 2298366 (1942-10-01), Gladfelter
patent: 3130698 (1964-04-01), Knowles
patent: 3838653 (1974-10-01), Larkin
patent: 3864995 (1975-02-01), Langewis
patent: 3878743 (1975-04-01), Melind
patent: 3972299 (1976-08-01), Hasselbeck

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