Cutting – Interrelated tool actuating means and means to actuate work... – Work clamp
Patent
1984-09-13
1986-09-16
Schran, Donald R.
Cutting
Interrelated tool actuating means and means to actuate work...
Work clamp
83467R, 83143, 83553, 83567, 83692, 83917, B26F 114
Patent
active
046115196
ABSTRACT:
A radius corner forming apparatus and method and which utilizes a plate to receive a metal sheet in which a corner portion is to be removed to form a radius corner. A die block and punch set is removably attachable to a conventional punch press in order to sever the corner portion of the sheet to produce the radius corner thereon. The plate which receives the metal sheet is resiliently mounted to oppose the pressure of the punch when shifted. A plurality of differently sized radius corner die blocks and co-operating punches are provided.
REFERENCES:
patent: 1320206 (1919-10-01), Cohen
patent: 2323431 (1943-07-01), Wales
patent: 2654428 (1953-10-01), Martincic
patent: 2656888 (1953-10-01), Cruzan
patent: 3357289 (1967-12-01), Thomson
Schaap Robert J.
Schran Donald R.
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