Flexible tubular body manufacturing process, device used in...

Details Flexible tubular body manufacturing process, device used in... Flexible tubular body manufacturing process, device used in...

B - Operations, Transporting

21

C

113/53

B21C 37/20 (2006.01) B21C 3/04 (2006.01) B21C 37/12 (2006.01) B65H 81/08 (2006.01) F16L 11/16 (2006.01)

Patent

CA 1269282

PRECIS DE LA DIVULGATION L'invention concerne un procédé et un disposi- tif de fabrication de corps tubulaires flexibles dans lequel on déforme hélicoîdalement de façon permanente un ou plusieurs profilés avant de procéder à son ou à leur enroulement hélicoîdal pour former une voûte cylin- drique, en faisant passer le profilé successivement sur deux galets. On enroule le profilé à plat autour de cha- cun des galets les axes des deux galets étant angulaire- ment décalés de façon à provoquer une torsion permanente du brin de profilé situé entre lesdits deux galets.

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