Combined rotary progressive die

Details Combined rotary progressive die Combined rotary progressive die

1977-05-31

1978-05-09

Lanham, C. W.

Metal deforming

By plural tool-couples

29 38C, 74814, 74826, B21D 4305

Patent

active

040880052

ABSTRACT:
This disclosure includes a die for forming metal piece parts and includes two progressive die sections which partially form metal piece parts and transfer same to a rotary die section which nest the parts and rotates same through a series of work stations for finishing operations.

REFERENCES:
patent: 1817462 (1931-08-01), Phelps
patent: 2282959 (1942-05-01), Gibbs
patent: 2370828 (1945-03-01), Widmont
patent: 2390596 (1945-12-01), Larsen
patent: 2415037 (1947-01-01), Redmer
patent: 2941424 (1960-06-01), Dixon
patent: 3150439 (1964-09-01), Van Deberg
patent: 3341927 (1967-09-01), Grainger
patent: 3492681 (1970-02-01), Krueger
patent: 3827116 (1974-08-01), Carroll

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