E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/10 (2006.01) E21B 29/10 (2006.01) E21B 43/08 (2006.01) F16L 55/162 (2006.01) F16L 55/163 (2006.01)
Patent
CA 2299685
A scrolled resilient sheet (3) is installed against the inner surface (4) of a fluid conduit (1) using a carrier tool (5) from which a resilient sheet having an average thickness more than 2 mm and an elastic or pseudoelastic recoverable strain of at least 0.6 % is released so that the sheet expands with an expansion force which is sufficiently high to allow the sheet to press itself into place alongside the inner surface of the conduit and to remain in place after installation.
On pose une feuille élastique enroulée (3) contre la surface intérieure (4) d'un conduit de liquide (1) au moyen d'un outil de support (5) servant à libérer une feuille élastique possédant une épaisseur moyenne supérieure à 2 mm et un effort récupérable élastique ou pseudo-élastique d'au moins 0,6 %, de sorte que la feuille se dilate avec une force de dilatation suffisamment élevée pour lui permettre d'être comprimée afin de se placer le long de la surface intérieure du conduit et de rester en place après la pose.
Donnelly Martin
Lohbeck Wilhelmus Christianus Maria
Stewart Robert Bruce
Shell Canada Limited
Smart & Biggar
LandOfFree
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