B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/38
B23K 11/04 (2006.01) B23K 11/32 (1980.01)
Patent
CA 1177905
ABSTRACT A pipe resistance butt welding apparatus comprising a body with an elongated carrying 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 reci- procating motion to the other clamp. A trimming mecha- nism 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, secured thereto by means of spring-loaded levers. The body mounts a powder cylinder and spring-loaded three-arm rockers, the latter being turnably mounted. The first arm of each of the 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. Such an arrangement of the apparatus makes it possible to reduce the waste of time in emergency situations and makes the apparatus more suitable for operation.
384567
Asoyants Grigory B.
Galian Boris A.
Kuchuk-Yatsenko Sergei I.
Lebedev Vladimir K.
Sakharnov Vasily A.
Institut Elektrosvarki Imeni E.o. Patona Akademii Nauk Ukrainsko
Swabey Ogilvy Renault
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