Exothermic cutting torch

Details Exothermic cutting torch Exothermic cutting torch

1989-08-15

1991-03-19

Kastler, III, S.

Metallurgical apparatus

Means for cutting solid metal with heat, e.g., blowpipes

B23K 700

Patent

active

050004263

ABSTRACT:
An exothermic cutting torch includes a first cylindrical member receiving a second member therein. The second member includes radially extending portions formed by axially extending grooves. A first passage having plural passage portions is defined between the first and second members for conveying an oxidizing gas from a supply end to a combustion end of the cutting torch. Each of the radially extending portions defines a second passage portion also for conveying oxidizing gas to the combustion end. The second member engages an inner peripheral portion of the first member as a result of a stretch reducing operation to fuse the members together. A third passage may also be defined along the central axis of the torch if desired.

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patent: 4697791 (1987-10-01), Henderson et al.
patent: 4787142 (1988-11-01), Henderson et al.

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