F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 31/00 (2006.01) B23K 9/20 (2006.01) B23K 35/02 (2006.01) F16B 19/05 (2006.01) F16B 5/08 (2006.01)
Patent
CA 2118190
ABSTRACT "DUAL-FUNCTION FASTENER AND METHOD OF USE" A pin-type fastener (11,12) capable of dual-function comprises a pin (11) which can be used in fastening workpieces (24, 27) together. The pin (11) has a pintail (17) capable of being removed from the remainder (15) of the pin (11) after the pin (11) has been installed as a fastener in a workpiece, and the pintail (17) can then be used as a weldstud and welded to the same workpiece as the pin-type fastener, or to another workpiece. The pin- type fastner can be a two-part fastener, for example a lockbolt including a nut or swageable collar engageable with the pin. The pin (11) may have a breakneck (16) to facilitate removal of the pintail (17). The pin (11) itself may be a weldstud. In use, the pin-type fastener (11, 12) is installed in a workpiece (27) and the pintail (17) is removed, and then the pintail (17) is used as a weldstud, being welded to a workpiece (36). Electric welding is employed. Advantage:- economy through second use of pintail as a stud.
Denham Keith
Sherry Neil James
Avdel Systems Limited
Ridout & Maybee Llp
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