Pipe preparation device

B - Operations – Transporting – 23 – P

Patent

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Details

B23P 17/00 (2006.01) B23B 3/04 (2006.01) B23B 5/16 (2006.01) B23C 3/12 (2006.01) B23D 21/00 (2006.01) B23D 21/08 (2006.01)

Patent

CA 2415758

A device for preparing pipe segments for joining with mechanical pipe fittings in a piping network is disclosed. The device has a fixed support with support surfaces engageable with the pipe segment, and a movable support facing the fixed support, on which to ols (54), such as grooving rolls (24), chamfering rolls (44), marking rolls (36) and cutting blades (50) are rotatably mounted. T he tools engage the outer surface of the pipe to form a circumferential groove, a marking pattern, a chamfer or a cut through the pipe when the movable support is moved toward the fixed support. A collar or cup having a circumferential side wall sized to receive the pipe is mounted on the fixed support adjacent to the support surfaces and radially reinforces the pipe to prevent it from collapsing or going out of round during groove formation.

L'invention concerne un dispositif de préparation de segments de tubes à assembler à l'aide de raccords de tubes mécaniques dans un réseau de tuyauterie. Le dispositif comprend un support fixe présentant des surfaces de support venant en prise avec le segment de tube, ainsi qu'un support mobile tourné vers le support fixe, sur lequel des outils (54) tels que des rouleaux de rainurage (24), des rouleaux de chanfreinage (44), des rouleaux de marquage (36) et des lames de découpage (50) sont montés rotatifs. Les outils viennent au contact de la surface extérieure du tube pour former une rainure circonférentielle, un type de marquage, un chanfrein ou une coupe dans le tube lorsque le support mobile est déplacé vers le support fixe. Un collier ou un évasement présentant une paroi latérale circonférentielle dimensionnée pour recevoir le tube est monté sur le support fixe adjacent aux surfaces de support et renforce radialement le tube afin d'empêcher qu'il ne s'affaisse ou ne soit plus rond pendant la formation des rainures.

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