Flux retainer

Details Flux retainer Flux retainer

1983-04-18

1985-02-19

Envall, Jr., Roy N.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

219 60R, B23K 918

Patent

active

045007659

ABSTRACT:
A flux retainer retains a granular flux upon a rotating cylindrical pipe to which a metal reinforcement layer is applied by a submerged arc welder. The flux container comprises a rectangular frame having a pair of end plates and a pair of side plates. Wheels are carried by the frame to support the frame upon the pipe surface as the pipe rotates. A pair of metal brushes are connected to the end plates and project therebelow to bear against the pipe surface and resist leakage of granular flux. The side plates each comprises a plurality of plate segments which are pivotably interconnected for rotation about an axis extending generally parallel to the pipe axis in order to change the angular relationship between the plate segments and thereby vary the distance separating the end plates. In this fashion, the flux retainer can be adapted to pipe diameters of different size. The brushes are formed of metal having a high coefficient of thermal conductivity in order to readily dissipate heat and thereby prevent destruction of the brushes.

REFERENCES:
patent: 4336436 (1982-06-01), Dubovetsky et al.

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