High temperature resistant patch for self-locking threaded...

Details High temperature resistant patch for self-locking threaded... High temperature resistant patch for self-locking threaded...

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 39/01 (2006.01) B05D 1/12 (2006.01) C09J 5/06 (2006.01) F16B 33/06 (2006.01) B05D 3/02 (2006.01)

Patent

CA 2101194

Self-locking threaded fasteners having a patch of fused high-temperature-resistant resin powder adhering to at least part of the threaded portion of the fastener, the patch including polyphthalamide resin particles having specific particle size ranges and providing sufficient frictional engagement between the threaded fastener and a mating fastener so that removal torque values for a threaded fastener are predictable and substantially uniform. This special patch can withstand exposure to elevated temperatures (above 400°F) while retaining its self-locking capabilities.

Fixations filetées autobloquantes ayant une garniture de résine en poudre thermofixée résistante à des températures élevées adhérant à au moins une portion de la partie filetée de la fixation, la garniture comprenant des particules de résine de polyphtalamide dont la taille se situe dans des étendues spécifiques et assurant une prise par frottement suffisante entre la fixation filetée et son répondant pour que les valeurs de couple de desserrage pour une fixation filetée soient prévisibles et substantiellement uniformes. Cette garniture spéciale peut supporter une exposition à des températures élevées (supérieures à 400 degrés F) tout en conservant ses propriétés d'autoblocage.

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