MANDREL FOR CONTINUOUS PIPE WINDING AND PROCEDURE FOR ITS IMPLEMENTATION Russian patent published in 2010 - IPC B29C53/82

Abstract RU 2397868 C2

FIELD: metallurgy.

SUBSTANCE: group of inventions refers to mandrel for continuous pipe winding and to procedure for its implementation. The mandrel consists of a shaft and of sector straps arranged symmetrically to its axis of rotation. Also length of the sector straps m on a cantilever part of the mandrel is equal or bigger, than length n of the shaft, m≥n.

EFFECT: reduced material and power expenditures for driving straps into reciprocal and rotational motions.

2 cl, 2 dwg

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RU 2 397 868 C2

Authors

Zin'Kovskij Aleksandr Tikhonovich

Dates

2010-08-27—Published

2008-10-20—Filed