Metal tools and implements – making – Blank or process – Die
Patent
1980-04-11
1982-11-23
Parker, Roscoe V.
Metal tools and implements, making
Blank or process
Die
83619, 29465, B23Q 300, B21K 520
Patent
active
043599150
ABSTRACT:
A method of making precision dies sets is provided with apparatus for holding retainer blocks in proper alignment in order to bore dowel-receiving and screw-receiving holes.
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patent: 3150550 (1964-09-01), Berlin et al.
patent: 3244489 (1966-04-01), Parker
patent: 3504576 (1970-04-01), Silberman et al.
patent: 3782166 (1974-01-01), Whistler et al.
patent: 4103413 (1978-08-01), Malmberg
Lisicki Norbert M.
Parker Roscoe V.
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