B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 11/14 (2006.01)
Patent
CA 2702038
An object of the invention is to provide a manufacturing method and an apparatus for a twisted flat bar which can prevent the pitch from becoming inconsistent and makes it possible to process a long flat bar into a twisted flat bar. The manufacturing method for a twisted flat bar is characterized in that a flat bar (5) is sandwiched between two round bars (7), which are positioned so as to be inclined at the same angle in different directions relative to the longitudinal direction of the flat bar from the two sides, and the above described two round bars are rotated relative to the flat bar around the rotational axis in the longitudinal direction of the flat bar, and at the same time, the flat bar is moved in the longitudinal direction of the flat bar relative to the round bars.
Cette invention se rapporte à un procédé et à un appareil de fabrication de barre plate torsadée, qui peuvent supprimer la dispersion de pas et qui peuvent même transformer une longue barre plate en une barre plate torsadée. Le procédé de fabrication de barre plate torsadée se caractérise en ce qu'une barre plate (5) est serrée sur ses deux faces par deux barres rondes (7) qui sont disposées selon une direction égale, mais dans une direction différente par rapport à la direction longitudinale de la barre plate, en ce que les deux barres rondes tournent selon cette direction longitudinale par rapport à la barre plate, et en ce que la barre plate se déplace dans cette direction longitudinale par rapport aux barres rondes.
Deeth Williams Wall Llp
Goto Tsuneo
LandOfFree
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