Chemically coated fasteners having improved penetration and...

Details Chemically coated fasteners having improved penetration and... Chemically coated fasteners having improved penetration and...

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 15/00 (2006.01) B05D 3/02 (2006.01) B05D 5/00 (2006.01) B05D 7/00 (2006.01) B21G 3/00 (2006.01) C21D 1/08 (2006.01) C21D 1/18 (2006.01) C21D 9/00 (2006.01) F16B 1/00 (2006.01) F16B 19/00 (2006.01) F16B 19/14 (2006.01) F16B 25/00 (2006.01) F16B 27/00 (2006.01) F16B 33/06 (2006.01)

Patent

CA 2292166

A polymer-coated metal fastener is provided which has both improved ease of drive into a substrate, and improved resistance to withdrawal from the substrate. The coated fastener is prepared by heating a metal fastener, or a portion of it, to about 400-2000°F and cooling in an aqueous medium containing an acrylic or modified acrylic polymer. The rapid cooling causes formation of a thin yet durable polymer coating on the fastener.

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