CPC F16L 13/141 (2013.01) [B23P 11/005 (2013.01); F16L 13/147 (2013.01); F16L 33/2075 (2013.01)] | 19 Claims |
1. An end-form fitting comprising:
a tube; and
an auxiliary component disposed around the tube, wherein the auxiliary component includes an annular collar configured to surround the tube, wherein the tube includes a thickened portion disposed at a same axial position as the annular collar, and wherein one of the tube or the auxiliary component is deformed to cause the auxiliary component to engage the thickened portion of the tube, wherein the tube is initially provided as an elongate cylindrical structure defined by a circumferential wall, wherein the thickened portion includes a greater radial thickness than remaining portions of the circumferential wall disposed adjacent the thickened portion, wherein an inner circumferential surface of the auxiliary component includes an array of surface irregularities configured to engage the tube, and wherein the surface irregularities are provided as an annular array of radially outwardly extending indentations formed in the inner circumferential surface of the auxiliary component.
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