Patent ID: 9618146
Date: 2017-04-11
CPC Classifications: B23P,F16L,Y10T

Claim:
1. Method for connecting at least one pipe to a fitting of the type comprising a main body for internally accommodating said at least one pipe, a fastening nut or bush able to be tightened to said main body, said main body accommodating at least one deformable annular sealing gasket, provided with at least one mouth section for said at least one pipe, and at least one blocking ring nut for firmly and sealingly locking said pipe, at least when said fastening nut or bush is tightened to said main body, said blocking ring nut being elastically deformable at least in radial direction, said fitting comprising an annular element for retaining in widened position at least the mouth section of said at least one annular sealing gasket with an inner diameter larger than the outer diameter (De) of said at least one pipe, the method comprising the steps of: a) positioning said at least one annular sealing gasket and said at least one blocking ring nut between said main body and said fastening nut or bush; b) joining said fastening nut or bush to said main body; c) inserting said at least one pipe inside said fitting; d) tightening said fastening nut or bush to said main body;