Method and apparatus for securing a pipe to a fitting

Details Method and apparatus for securing a pipe to a fitting Method and apparatus for securing a pipe to a fitting

B - Operations, Transporting

23

P

26/78

B23P 19/04 (2006.01) B25B 27/10 (2006.01) F16L 47/00 (2006.01)

Patent

CA 1125482

ABSTRACT A method for connecting a plastics pipe to a fitting incorporating an externally grooved insert. The insert, which is a tight fit in the pipe, is forced into the end of the pipe, and a sleeve, previously located on the pipe, is then forced to the end of the pipe so that the pipe end is tightly gripped between the insert and the sleeve. The insert is tubular and is provided with a plurality of circumferential grooves in its outer surface. Each groove has in axial section substantially straight sides and a straight base, the angle between the base and each side being obtuse. Insertion of the insert causes the external diameter of the pipe to increase so as, to be greater than the internal diameter of the sleeve.

324706

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