Laser sheet perforator

Details Laser sheet perforator Laser sheet perforator

1994-06-21

1996-08-27

Paschall, Mark H.

Electric heating

Metal heating

By arc

21912171, 2191217, 21912194, 2191218, 83 16, B23K 2608

Patent

active

055503462

ABSTRACT:
An apparatus for cutting perforations in sheet material with a laser which includes a laser and servo motor controlled rotatable mirrors for focussing and directing a laser beam from the laser onto the sheet material so as to cut a perforation therein. An arm mounts the mirrors for movement of the beam from one perforating position to another. The laser is also shut off when moving from one perforation position to another. A perforation pattern is thus produced over a selected portion of the sheet.

REFERENCES:
patent: 3226527 (1965-12-01), Harding
patent: 3761675 (1973-09-01), Mason et al.
patent: 4039799 (1977-08-01), Stumpf
patent: 4049945 (1977-09-01), Ehlscheid et al.
patent: 4973819 (1990-11-01), Thatcher
patent: 5089683 (1992-02-01), Stevenson et al.

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