Pin-type fasteners

F - Mech Eng,Light,Heat,Weapons – 16 – B

Patent

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10/10

F16B 19/14 (2006.01) B21G 3/18 (2006.01) B21G 3/28 (2006.01) B21K 1/44 (2006.01)

Patent

CA 1245405

ABSTRACT OF THE DISCLOSURE A pin-type fastener for use with explosively- powered pin driving tools is produced by cold-forming a soft metal slug whereby to produce a stem portion and a hollow head portion open at its rear end. The forward end of the stem portion is then pointed and the shaped pin is heat treated to provide the hardness and ductility necessary to enable the pin to be driven into a substrate by an explosively-powered tool, a piston of tool entering the hollow head portion and impacting against the rear end of the stem portion.

467238

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