A collar (10) having a shank (20) with an interior surface (25) and an exterior surface (36), The exterior surface (38) of the shank (20) includes a first exterior surface (38) extending from the first end (12) to a first exterior inflection point (40), and a curvilinear exterior surface (44) extending from the first exterior inflection point (40) to a second exterior inflection point (46). The curvilinear exterior surface (44) and an imaginary line (54) extending from the first exterior inflection point (40) to the second exterior inflection point (46) form a first area that is sized and shaped to receive forward extrusion of the collar (10) as the collar (10) is being installed.
申请公布号
WO2014031376(A1)
申请公布日期
2014.02.27
申请号
WO2013US54509
申请日期
2013.08.12
申请人
ALCOA INC.;PINHEIRO, RODRIGO;KOONTZ, ELAINE;HAYLOCK, LUKE