Apparatus and methods for simultaneously necking and flanging a

Details Apparatus and methods for simultaneously necking and flanging a Apparatus and methods for simultaneously necking and flanging a

1977-02-28

1978-01-31

Larson, Lowell A.

Metal deforming

By use of tool acting during relative rotation between tool...

During rotation of work

72105, 72110, 113120AA, B21D 1906

Patent

active

040708888

ABSTRACT:
Apparatus and methods for simultaneously necking and flanging an unformed end portion next adjacent a rim portion of a cylindrical side wall portion of a sheet metal can body member to form a curved necked-in wall portion in the unformed end portion next adjacent and connected to the side wall portion and to form a radially and axially outwardly extending flange portion between the formed curved necked-in portion and the rim portion comprising:

REFERENCES:
patent: 1873164 (1932-08-01), Turnquist
patent: 2170946 (1939-08-01), Greif
patent: 3688538 (1972-09-01), Hoyne
patent: 3754424 (1973-08-01), Costanzo
patent: 3765351 (1973-10-01), Kubacki et al.
patent: 3782314 (1974-01-01), Franek et al.

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