Electric heating – Metal heating – Cutting or disintegrating
Patent
1982-03-10
1984-11-20
Paschall, M. H.
Electric heating
Metal heating
Cutting or disintegrating
219 69W, 219158, 83167, 83385, 269 8, 269 9, B23P 108
Patent
active
044840527
ABSTRACT:
The disclosed method and apparatus are related to the machine for and process of cutting a desired contour in a workpiece with an axially traveling elongate tool by relatively displacing the workpiece and the elongate tool transversely to the traveling axis of the latter along a predetermined cutting path describing the contour whereby the workpiece is progressively divided, along the cutting path, into a first portion held secured with a work support and a second portion tending, by its own gravity, to fall off the first. The fall-off is prevented according to the invention with a plurality of attractable members, e.g. permanent magnets, which are spacedly juxtaposed with the workpiece and releasably retained with respective support holders on a support assembly. During the course of cutting of the contour in the workpiece, these members are successively released and propelled from the respective support holders to deposit sequentially at spaced-apart locations on the advancing cutting path so that each of the members firmly bridges the first and second portions across the cut groove.
REFERENCES:
patent: 3827682 (1974-08-01), Foster, Sr. et al.
patent: 4076228 (1978-02-01), Sheldon
patent: 4347423 (1982-08-01), Katsube et al.
Dubno Herbert
Inoue-Japax Research Incorporated
Paschall M. H.
Ross Karl F.
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