Apparatus for cutting a stack of sheet material with a thermal c

Details Apparatus for cutting a stack of sheet material with a thermal c Apparatus for cutting a stack of sheet material with a thermal c

1974-05-20

1976-01-06

Truhe, J. V.

Electric heating

Metal heating

By arc

B23K 1500

Patent

active

039314910

ABSTRACT:
Apparatus for cutting a stack of layers of sheet material comprising a device for passing a laser beam or other suitable thermal cutting beam through the stack of material along a line of cut therein and means for preventing fusing of adjacent sheets at the line of cut. Such means can include spacers carried by the cutting head and interposed between adjacent sheets to maintain the sheets in spaced relation, or a spray device for spraying a cooling liquid onto the sheets at the line of cut or the presence of paper of similar combustible material, which does not liquefy, between adjacent sheets.

REFERENCES:
patent: 3629546 (1971-12-01), Fry
patent: 3649806 (1972-03-01), Konig
patent: 3735088 (1973-05-01), Idall

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