Metal treatment – Compositions – Heat treating
Patent
1974-09-03
1976-04-13
Stallard, W.
Metal treatment
Compositions
Heat treating
83428, 83516, 83517, 266 23B, B23K 702, B26D 300
Patent
active
039501892
ABSTRACT:
A method for cutting out work pieces which have similar contours on both sides of an axis of symmetry thereof comprising the steps of scanning the contour of the work piece for developing control signals corresponding to the shape of the work piece, delivering the control signals for driving a plurality of cutting torches placed on a carrier, displacing the carrier in the direction of the axis of symmetry of the work piece representing the y direction of coordinates, and displaying the cutting devices transversely to the axis of symmetry of the work piece representing the x direction of coordinates, said cutting devices being displaced on equal distance along the x direction but opposite in sense, whereby a pattern having a mirror image on both sides of the axis of symmetry can be cut simultaneously by the cutting torches.
REFERENCES:
patent: 2026754 (1936-01-01), Stafford
patent: 3272042 (1966-09-01), Haas
patent: 3276303 (1966-10-01), Tompos
patent: 3486957 (1969-12-01), Fish et al.
patent: 3866892 (1975-02-01), Hooper
Hirschberg Hans
Lange Gerhardt
Marmorek Ernest F.
Messer Griesheim GmbH
Stallard W.
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