发明授权
US3726463A Apparatus for producing helically formed welded tube 失效
用于生产直型成形焊管的装置

Apparatus for producing helically formed welded tube
摘要:
Apparatus for producing tubing by welding helically formed metal strip comprises a mechanism for feeding the strip, a tube former which winds the metal strip helically to form the tube, a device for welding together the strip edges after it has been formed, a cutter for cutting the welded tube into lengths and a tube carrier for supporting these lengths of tube, the tube carrier being pivoted so that it can be swung to vary the angle between the axis of the formed tube and the direction in which the strip is fed, a receiver which receives the cut-off lengths of tube from the carrier and a conveyor for conveying the cut-off lengths from the receiver. The receiver is arranged so that each of the cut-off lengths of tube can be swung about the pivot axis of the tube carrier from a position parallel to the carrier and can also be swung about a second axis into a position in which each length of tube extends parallel to the conveyor which ten receives the tube and conveys it away.
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