F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 23/00 (2006.01)
Patent
CA 2089980
ABSTRACT OF THE INVENTION A mechanical joint between a motor exhaust tube and a muffler panel, is made up of annular crimp about the exhaust tube and a sleeve of the panel. The joint is corrugated in radial crests and troughs, at least the bases of either or both of the crests or the troughs being flattened so that these flattened bases are generally tangential to the tube and sleeve. Apparatus for forming the joint comprises bunched expanding inner fingers to deform the inner surface of the tube and the sleeve and a press ring to deform the outer surface of the tube and the sleeve, the fingers and the press ring acting to crimp the joint between them. The bunched fingers and segments may be profiled to form and annular shoulder to each side of the joint. The formed joint may have advantages in stability to torque and longitudinal stresses.
Eagle Precision Technologies Inc.
Stevenson & Maye Smith Lyons Torrance
LandOfFree
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