Self-tapping screw and method for joining thin workpieces

Details Self-tapping screw and method for joining thin workpieces Self-tapping screw and method for joining thin workpieces

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 25/02 (2006.01) F16B 35/04 (2006.01)

Patent

CA 2428051

A threaded self-tapping screw for joining thin workpieces having a tapered root portion adjacent to the head of the screw. A plurality of threads are disposed on the body and the tapered root portion of the screw such that the radial distance from the center of the screw to the crests of the threads is maintained along both the body and the tapered root portion.

L'invention concerne une vis autotaraudeuse filetée servant à assembler de fines pièces à travailler, cette vis présentant une partie base effilée adjacente à la tête de la vis. Une pluralité de filets sont formés sur le corps et sur la partie base effilée de la vis, de sorte que la distance radiale entre le centre de la vis et les sommets des filets est conservée à la fois le long du corps et le long de la partie base effilée.

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