ROLLING MILL FOR MANUFACTURE OF LONGITUDINAL WELDED TUBES
Rolling mill of a line for manufacturing of longitudinal welded tubes includes a frame with cushions with two driving gage working rollers, device for strengthening of inner surface of weld which contains a pair of crimping rollers. The device for strengthening of inner surface of weld is executed a...
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Format: | Patent |
Sprache: | eng ; rus ; ukr |
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