Holder for the partial heat treatment of tools in furnaces

Metallurgical apparatus – Means for holding or supporting work

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432253, C21D 922

Patent

active

049114158

ABSTRACT:
A holder for work tools to be heat treated in a furnace which holder device is formed of a good heat-conductive metallic material in which are blind holes for the insertion of tools and which is unitary and which is surrounded by a layer of thermal insulation.

REFERENCES:
patent: 882162 (1908-03-01), Parnber
patent: 1925116 (1933-09-01), Spence et al.
patent: 3615927 (1971-10-01), Paulson
patent: 4682011 (1987-07-01), Hoffman et al.

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