Electric heating – Metal heating – Cutting or disintegrating
Patent
1989-05-12
1990-02-13
Pellinen, A. D.
Electric heating
Metal heating
Cutting or disintegrating
219 6912, 269 8, B23H 100, B23H 702, B23Q 3154
Patent
active
049008889
ABSTRACT:
A holder for wire-arc discharge cutting machinery including two orthogonal seats and a number of blocks. Each seat has a rectangular flange extending along a length of the seat at its lower edge. Each seat has a magnetic insert and an insulating layer extending along a length of the seat. Each magnetic insert is attached to a bar provided in the slot of each seat for controlling an ON/OFF condition of the magnetic insert. The blocks are fastened to two adjacent sides of a processing material and then attached to the seats and the flanges before processing. The processing material and the blocks are attracted to the flanges of the seats by the magnetic inserts when the bars are at an ON position.
REFERENCES:
patent: 4518155 (1985-05-01), Lehmann
patent: 4616796 (1986-10-01), Inoue
patent: 4757178 (1988-07-01), Iwasaki et al.
patent: 4786776 (1988-11-01), Ramsbro
Evans Geoffrey S.
Pellinen A. D.
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