Metallurgical apparatus – Means for cutting solid metal with heat – e.g. – blowpipes – With torch mounting means
Patent
1984-09-11
1986-07-01
Andrews, Melvyn J.
Metallurgical apparatus
Means for cutting solid metal with heat, e.g., blowpipes
With torch mounting means
219 70, B23K 3702
Patent
active
045975639
ABSTRACT:
Tool holder, preferably for a thermic cutting rod, having an attachment for the rear end of the rod, a supply of oxygen to the rear end of the rod passing through the same to its front end. There is a valve for controlling the oxygen supply, and a handle for the tool holder. The attachment itself comprises a sleeve which encloses with a seat the rear end of the tool thereby attaching the same, and which is movable from a front, loading position to a rear, working position of the rod. In the rear position the sleeve is pushed inwardly into a space, which can be placed under gas pressure, preferably by the above supply of oxygen, while in the front position the sleeve rests against a shoulder. A forward movement of the sleeve from the rear position to the rest position against the shoulder can be effected by the gas pressure and with such velocity that the rest of the rod, when it should be removed from the holder when the main part of the rod is consumed, will be thrown out of its seat in the sleeve.
REFERENCES:
patent: 3751625 (1973-08-01), Hummel et al.
patent: 4182947 (1980-01-01), Brower
patent: 4477060 (1984-10-01), Molinder
Andrews Melvyn J.
Salen & Wikander AB
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