F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 39/00 (2006.01)
Patent
CA 2626896
[00037] A self-attaching fastener and panel assembly wherein the free end of the tubular barrel portion is coined and deformed axially and radially outwardly against a planar die face into an annular shape having a planar annular bearing surface supporting the panel and a flat end face. The die includes a central post and an annular planar die surface extending substantially perpendicular to the longitudinal axis of the die member. The method of installation includes coining and deforming the barrel portion axially and radially eliminating cracking of the barrel, frictional resistance and hoop-stress.
[00037] Ensemble attache-panneau auto-fixant dans lequel l'extrémité libre de la partie de fût tubulaire est matricée et déformée axialement et radialement vers l'extérieur contre une face de matrice plane pour lui donner une forme annulaire présentant une surface d'appui annulaire plane supportant le panneau et une face d'extrémité plate. La matrice comprend un pied central et une surface de matrice annulaire plane s'étendant sensiblement perpendiculairement à l'axe longitudinal de l'élément de matrice. Le procédé d'installation comprend le matriçage et la déformation de la partie de fût axialement et radialement, éliminant la fissuration du fût, la résistance par frottement et les contraintes circonférentielles.
Gowling Lafleur Henderson Llp
Whitesell International Corporation
LandOfFree
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