End closure for flexible plastic tubes

Details End closure for flexible plastic tubes End closure for flexible plastic tubes

F - Mech Eng,Light,Heat,Weapons

16

L

189/4

F16L 57/00 (2006.01) C25B 13/02 (2006.01) F16L 55/11 (2006.01)

Patent

CA 1237681

ABSTRACT The ends of flexible plastic tubes, particularly of relatively thin wall thickness, are closed with a cylindrical header or end plug over which an end of the plastic tube is fitted. A fluids connection between the wall of the plastic tube and the cylindrical header or plug is made by press fitting over the connection area a plastic ring smaller in diameter than the outside diameter of the plastic tube within the elastic limit of the plastic ring. Preferably the header and/or end plug have circumferential grooves or depressions into which groove or depression the wall of the tube is fitted or depressed, preferably by multi-turns of plastic thread. For corrosive and oxidizing environments the header, plug, plastic tube, sealing rings and depressing thread are composed of perfluorocarbon polymers.

498022

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