Process for uniting sleeve members by brazing

Details Process for uniting sleeve members by brazing Process for uniting sleeve members by brazing

1984-01-16

1986-02-25

Mayewsky, Volodymyr Y.

Electric heating

Metal heating

For bonding with pressure

219353, 219552, 219 85M, 228248, 338299, 338303, 338326, B23K 102, B23K 104

Patent

active

045729387

ABSTRACT:
Small portable electrical resistance heated radiant heating unit useful for insertion in tube bores to effect localized high temperature heating. Useful for the internal heating of tubes and tube/sleeve assemblies in steam generators, for brazing, stress relieving, and other applications. Has a machined mandrel of boron nitride and electrical resistance wire leads that have reduced electrical resistance for reduced heat generation by the leads. The leads preferably are braided, to permit the use of cramped connectors.

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