Patent ID: 9638361
Date: 2017-05-02
CPC Classifications: B21D,F16L,Y10T

Claim:
1. A crimp fitting comprising a metal tube wall that forms both a cylindrical tube portion and an adjacent annular O-ring channel portion, the tube wall having a first wall thickness along the cylindrical tube portion and a second wall thickness along at least part of the O-ring channel portion, the second wall thickness being less than the first wall thickness, the cylindrical tube portion and O-ring channel being configured and adapted to encircle a cylindrical end portion of a tube when such end portion of the tube is inserted into the fitting, the tube wall also forming an annular positioning protrusion, the cylindrical tube portion being between the O-ring channel portion and the annular positioning protrusion, the annular positioning protrusion having an exterior surface that protrudes radially outward relative to the cylindrical tube portion, the exterior of the tube wall protruding radially outward at the O-ring channel portion relative to the adiacent cylindrical tube portion, the annular positioning protrusion and the O-ring channel portion of the tube wall forming an exterior locating cradle therebetween that is configured to constrain a crimping tool at the cylindrical tube portion of the fitting.