Electric heating – Metal heating – Nonatmospheric environment at hot spot
Patent
1975-07-17
1977-04-26
Goldberg, E. A.
Electric heating
Metal heating
Nonatmospheric environment at hot spot
219 76, 219123, B23K 918, B23K 904
Patent
active
040203140
ABSTRACT:
A method and apparatus is disclosed for feeding welding flux to both the leading and trailing sides of the strip electrode used in a submerged arc strip cladding process. In order to prevent distortion of the bead shape the pressure due to the weight of the flux burden is controlled to be less in the region of the molten metal and slag pools lying directly behind the welding arc. The flux burden is caused to increase from a first depth directly behind the strip to a maximum depth at the trailing edge of the weld crater region where the quantity of liquid metal and liquid slag is a minimum.
REFERENCES:
patent: 2511976 (1950-06-01), Frost
patent: 3415975 (1968-12-01), Johnson
Combustion Engineering Inc.
Goldberg E. A.
Kochey Jr. Edward L.
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