Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1977-10-21
1980-03-04
Marquis, Melvyn I.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
85 1C, 151 7, 260 4243, 427386, 528403, 528408, 525187, C08L 6300, F16B 3922
Patent
active
041916778
ABSTRACT:
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 adhesive 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.
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Federal Screw Works
Marquis Melvyn I.
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