Polyolefin pipe connector sleeve and method for making the same

Details Polyolefin pipe connector sleeve and method for making the same Polyolefin pipe connector sleeve and method for making the same

F - Mech Eng,Light,Heat,Weapons

16

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285/62, 26/79

F16L 33/00 (2006.01) B29C 65/66 (2006.01) F16L 13/14 (2006.01) F16L 47/00 (2006.01)

Patent

CA 1138489

POLYOLEFIN PIPE CONNECTOR SLEEVE AND METHOD FOR MAKING THE SAME: ABSTRACT: A connector sleeve for polyolefin pipe ends for connecting butted pipe ends by a coupling. The connector sleeve is metallic and has a pair of internal circum- ferential ribs mated in external grooves of the pipe end which is press-fitted within the sleeve in sealing relation. The connector sleeve has a pair of external grooves registering with the ribs formed by a pressing or rolling operation. Butted pipe ends with their fitted connector sleeves are connected by a coupling engaging the con- nector sleeves. The connector sleeve and pipe end have registering bevelled ends and in the fitting operation the sleeve and pipe end are axially aligned and force- fully engaged whereby the bevelled end of the connector sleeve causes the pipe end to be internally deflected and compressed in mating engagement with said connector sleeve.

372692

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