Punch apparatus

Details Punch apparatus Punch apparatus

1993-02-11

1993-12-14

Yost, Frank T.

Cutting

Means to drive or to guide tool

Magnet- or solenoid-actuated tool

83588, 83616, B26F 102

Patent

active

052692132

ABSTRACT:
Punch apparatus develops momentum of a desired magnitude. The momentum is transferred to a punch for driving the punch from a reset position to a punch position.

REFERENCES:
patent: 1138804 (1915-05-01), Simmen
patent: 1152522 (1915-09-01), Leidigh
patent: 1671369 (1928-05-01), Johann
patent: 1684296 (1925-12-01), Brodsky
patent: 2509956 (1950-05-01), Benoit
patent: 2597559 (1952-05-01), Bekey
patent: 3008365 (1961-11-01), McNabb, Jr.
patent: 3388753 (1968-06-01), Bardwell
patent: 3709083 (1973-01-01), Doherty
patent: 3841185 (1974-10-01), Baran
patent: 3878746 (1975-04-01), Carmelli
patent: 4579029 (1986-04-01), Sunaga
patent: 5024127 (1991-06-01), Mueller et al.
IBM Technical Disclosure Bulletin, vo. 20, No. 4, Sep. 1977 "Automated Punch Apparatus for Forming Via Holes in a Ceramic Green Sheet" by T. J. Cochran and R. G. Haas.
IBM Technical Disclosure Bulletin, vo. 26, No. 7A, Dec. 1983, "Punch Programmer with Magnetic Retract" by A. F. Coneski, P. J. Davies and F. B. Zykoff.

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