Electric heating – Metal heating – Of cylinders
Patent
1984-01-19
1985-09-17
Envall, Jr., Roy N.
Electric heating
Metal heating
Of cylinders
219 614, B23K 3702, B23K 9225
Patent
active
045422761
ABSTRACT:
A device for welding together coaxial tube sections, comprising a cage adapted to surround the extremities of said tube sections, and provided with sleeves to be clamped on said tube sections for aligning the latter, guiding means for welding electrode carriers being connected to said sleeves which are adapted to guide welding electrodes and associated equipment along the welding seam to be formed between said tube sections.
REFERENCES:
patent: 3727025 (1973-04-01), Dibenedetto
patent: 3800116 (1974-03-01), Tanaka et al.
patent: 4373125 (1983-02-01), Kazlauskas
Envall Jr. Roy N.
Mantra Tube Ltd.
Sigda Catherine M.
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