Partially coated fastener assembly and method for coating

Details Partially coated fastener assembly and method for coating Partially coated fastener assembly and method for coating

B - Operations, Transporting

05

D

B05D 7/14 (2006.01) B05D 1/18 (2006.01) B05D 3/00 (2006.01) C23F 17/00 (2006.01) F16B 15/00 (2006.01) F16B 15/08 (2006.01)

Patent

CA 2598026

A fastener assembly includes a row of fasteners having a head, a tip, and a portion of a shank coated with a polymer composition. The polymer composition includes a polymer material such as polyurethane and metal particles. The polymer composition is used to provide improved corrosion and ultraviolet radiation resistance when used with naturally corrosive or pressure preservative treated wood. The fastener assembly is coated with the polymer composition by vacuum coating a dispersion of the polymer composition in a solvent such as water and removing the solvent.

Dispositif d'attache comprenant une rangée d'attaches munies d'une tête, d'une pointe et d'une portion de tige recouverte d'une composition polymérique. La composition polymérique est constituée d'une matière polymérique comme le polyuréthane et de particules métalliques. La composition polymérique est employée pour accroître la résistance à la corrosion et au rayonnement ultraviolet lorsqu'elle est utilisée avec du bois traité sous pression à des fins de préservation ou avec un agent naturellement corrosif. Le dispositif d'attache est recouvert avec la composition polymérique en procédant sous vide à un traitement avec une dispersion de la composition polymérique dans un solvant tel que l'eau, puis en retirant le solvant.

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