G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/50 (2006.01)
Patent
CA 2654640
The present invention relates to a method of installing a flexible elongate body (1) such as a cable inside a pipe (2), in particular a non-inspectable pipe, wherein said elongate body is held against a wall (21) of said pipe using discrete supporting elements (3, 3') by means of which the elongate body can be pressed against the inner wall of the pipe. In this method, prior to inserting said elongate body (1) into said pipe (2), a plurality of said discrete supporting elements (3, 3') are fastened along the length of said elongate body; and the supporting elements are flexurally stressed and held under stress by means of a locking element (4). Said elongate body is then introduced into said pipe between at least two openings which allow access to said pipe, and said elongate body is pressed against the wall (21) of said pipe by withdrawing or rupturing said locking element (4) that stresses each discrete supporting element, causing said supporting element and said elongate body to be pressed against the wall of the pipe. A robotic device (5) for implementing the method of the invention is also described.
La présente invention concerne un procédé d'installation d'un corps longiligne souple (1) tel qu'un câble à l'intérieur d'une canalisation (2), notamment une canalisation non visitable, dans lequel on maintient ledit corps longiligne contre une paroi (21) de ladite canalisation à l'aide d'éléments de soutien ponctuels (3, 3') permettant le placage du corps longiligne contre la paroi interne de la canalisation. Dans ce procédé, on fixe avant insertion dudit corps longiligne (1) dans ladite canalisation (2) une pluralité de dits éléments de soutien ponctuels (3, 3') le long dudit corps longiligne; et on contraint en flexion les éléments de soutien et on les maintient sous contrainte par l'intermédiaire d'un élément de blocage (4). Puis on introduit ledit corps longiligne dans ladite canalisation entre au moins deux lumières d'accès à ladite canalisation et on plaque ledit corps longiligne contre la paroi (21) de ladite canalisation par retrait ou rupture dudit élément de blocage (4) contraignant chaque élément de soutien ponctuel, provoquant le plaquage dudit élément de soutien et dudit corps longiligne contre la paroi de la canalisation. Un dispositif (5) robotisé pour la mise en AEuvre du procédé de l'invention est également décrit.
Mccarthy Tetrault Llp
Sogetrel
LandOfFree
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