Double walled tubular article

Details Double walled tubular article Double walled tubular article

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 47/00 (2006.01) F16L 5/02 (2006.01) F16L 47/20 (2006.01) F16N 15/00 (2006.01) H02G 15/18 (2006.01)

Patent

CA 2087708

2087708 9202754 PCTABS00010 A tubular article comprises a double walled tube (1), preferably of an elastomeric material having a friction reducing means (4) between the two walls (23) of the double wall. The friction reducing means comprising a liquid containing dispersed particles, preferably solid particles, having an average particle size of about 0.1 to about 1000 microns. The liquid is preferably a low viscosity liquid and is preferably dimethyl siloxane. The particles are preferably of sodium stearate.

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