F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
117/61, 85/79
F16B 39/34 (2006.01) B05D 5/10 (2006.01) C09J 163/00 (2006.01) C09K 3/14 (2006.01)
Patent
CA 1123682
ABSTRACT OF THE DISCLOSURE This disclosure relates to a new self-locking threaded fastener means having a patch on the threaded portion thereof to provide self-locking properties. The patch may be comprised of a thermoplastic polymer such as a thermoplastic epoxy ad- hesive system and is applied to the threaded fastener in an unpolymerized state and is allowed to polymerize in situ. Since an unpolymerized adhesive composition would be applied as a liquid, it would not be necessary to heat the fastener, thus saving valuable energy as well as eliminating the chance of destroying any corrosion resistant coating on the fastener such as phosphate and oil. This new fastener means also has good multiple usage characteristics in that it may be installed and removed several times without losing its self-locking properties.
313762
Federal Screw Works
Macrae & Co.
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