F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 55/16 (2006.01) F16L 41/00 (2006.01) F16L 55/179 (2006.01)
Patent
CA 2068523
2068523 9107619 PCTABS00005 A thermoplastic saddle (6) for renovating or repairing a pipeline (1) with a branch pipe (2). The saddle comprises two saddle parts (20, 22) being movable with respect to each other. The first saddle part (20) comprises a flexible saddle plate (6') and a first connecting part (21) being integral therewith. The second saddle part (22) comprises a branch (8) provided with a second connecting part (23). The part (21) tapers towards its open free end (12') and the second connecting part has a spherical circumference (23a). The position of connecting parts (23, 23a) with respect to connecting part (21) ensures that branch (8) is retained in connecting part (21) if said branch is subjected to pulling forces. In a renovated or repaired pipeline (1) the saddle is fixed by fixing means preferably an expanded plastic fixing sleeve (13). However, fixation by a glued connection (112) and/or sealed connection (113) is also possible. The branch (8) is widened by heat so that it clampingly engages the inner wall of branch pipe (2). Sealing means may be used for sealing saddle parts and opposite lying parts. Widening of branch (8) and/or fixing sleeve (13) is performed by means of an inflatable balloon device e.g. as shown in fig. 7.
Meijers Augustinus Gregorius Henricus
Van Beurden Karin Monique Maria
Gowling Lafleur Henderson Llp
Wavin B.v.
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