Electric heating – Metal heating – Of cylinders
Patent
1981-08-19
1984-03-13
Reynolds, B. A.
Electric heating
Metal heating
Of cylinders
219101, 219 97, 219 611, B23K 1104, B23K 3704
Patent
active
044369743
ABSTRACT:
A pipe resistance butt welding apparatus comprises a body with an elongated arrying member and two internal expanding clamps including current-feeding shoes. One of the clamps is rigidly attached to the body, whereas the other is movably mounted on the elongated carrying member and connected with a drive intended to communicate reciprocating motion to the other clamp. A trimming mechanism for removing flash is mounted on at least one of the internal expanding clamps. The body of the apparatus mounts centering supporting rollers and driving wheels, the former and the latter being secured thereto by means of spring-loaded levers. The driving wheels are connected with a rotation drive intended to rotate the wheels. The body carries a powder cylinder and spring-loaded three-arm rockers, the latter being turnably mounted. The first arm of each of said three-arm rockers carries a driving wheel, the second arm carries an additional supporting roller, and the third arm is connected with a rod of the power cylinder.
REFERENCES:
patent: 4273985 (1981-06-01), Paton et al.
patent: 4323752 (1982-04-01), Paton et al.
Asoyants Grigory B.
Galian Boris A.
Kuchuk-Yatsenko Sergei I.
Lebedev Vladimir K.
Sakharnov Vasily A.
Institut Elektrosvarki Imeni E.O.Patona Akademii Nauk Ukrainskoi
Reynolds B. A.
Sigda Catherine M.
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