Pipe processing device having floating drive roller

B - Operations – Transporting – 23 – D

Patent

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Details

B23D 45/12 (2006.01)

Patent

CA 2749936

A device for processing a pipe has a bearing plate slidably mounted on a support plate. A drive roller, engageable with an inner surface of a pipe, is mounted on the bearing plate and rotates about an axis substantially parallel to the longitudinal axis of the pipe. Support rollers, mounted on the support plate, engage and support the pipe against the drive roller. Springs are positioned in contact with the support plate and the bearing plate and bias the drive roller into engagement with the pipe. Variations in pipe wall thickness are compensated for by sliding motion of the bearing plate relatively to the support plate as the drive roller rotates and the pipe and the device move relatively to one another.

L'invention porte sur un dispositif de traitement d'un tube qui présente une plaque montée de façon coulissante sur une plaque de support. Un rouleau actif, pouvant venir en prise avec une surface interne d'un tube, est monté sur la plaque d'appui et tourne autour d'un axe sensiblement parallèle à l'axe longitudinal du tube. Des rouleaux de support, montés sur la plaque de support, viennent en prise avec le tube et portent celui-ci contre le rouleau actif. Des ressorts sont positionnés en contact avec la plaque de support et la plaque d'appui et sollicitent le rouleau actif pour qu'il vienne en prise avec le tube. Des variations d'épaisseur de paroi de tube sont compensées par un mouvement coulissant de la plaque d'appui par rapport à la plaque de support à mesure que le rouleau actif tourne et que le tube et le dispositif se déplacent l'un par rapport à l'autre.

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