Electric heating – Metal heating – For deposition welding
Patent
1983-12-05
1985-05-14
Envall, Jr., Roy N.
Electric heating
Metal heating
For deposition welding
219 7611, 219 761, B23K 3106, B23K 904
Patent
active
045174342
ABSTRACT:
A method of manufacturing a tube bend of a metal comprises positioning a base ring in the range of the welding device, using the welding device to deposit a first section of metal on the ring, moving the ring and the welding device through an arc relatively to each other by substantially the thickness of the first section of metal and thereafter depositing a subsequent section over the first section and repeating the moving and the depositing until the desired section thickness is formed into a wall. The device includes means for mounting a plate for pivotal movement and a base ring mounted on the plate for movement therewith below a welding device arranged so that the welding device and the plate remove relatively through an arcuate path so that a series of sections of metal may be built up into a tube bend wall. The welding device advantageously includes an electrode feeder and the apparatus preferably includes a welding device to provide a plating along the side of the wall section which is built up.
REFERENCES:
patent: 2963570 (1960-12-01), Rieppel
patent: 4146162 (1929-03-01), Skakunov
patent: 4224360 (1980-09-01), Ohnishi et al.
patent: 4253006 (1981-02-01), Ludwig
Million Karl
Zimmermann Horst
Envall Jr. Roy N.
M.A.N. Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft
Sigda C. M.
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