Electric heating – Metal heating – By arc
Patent
1994-01-24
1995-07-25
Paschall, Mark H.
Electric heating
Metal heating
By arc
21912144, 21912159, 21912158, 21912167, 83219, B23K 1000
Patent
active
054364230
ABSTRACT:
A method and apparatus for automatically and continuously producing multiple blanks from a coil of sheet material with a minimum of scrap. The apparatus utilizes pinch rolls to advance and retract the sheet material from a coil, while simultaneously a cutter, such as plasma torch, moves transversely to the moving sheet material. Movement of the cutter and sheet material is controlled and coordinated so as to make the desired cuts in the sheet material and produce the blanks of the desired configuration.
REFERENCES:
patent: 4551810 (1985-11-01), Levine
patent: 4554635 (1985-11-01), Levine
patent: 4670640 (1987-06-01), Tylko et al.
patent: 4760237 (1988-07-01), Mizukado et al.
patent: 4792657 (1988-12-01), Conley
patent: 4873418 (1989-10-01), Katayama
patent: 5200592 (1993-04-01), Yabu
Iowa Precision Industries, Inc.
Nemmers James C.
Paschall Mark H.
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