Rivet with integral heater

Details Rivet with integral heater Rivet with integral heater

1988-12-02

1991-06-18

Pellinen, A. D.

Electric heating

Heating devices

1562724, H05B 600

Patent

active

050251287

ABSTRACT:
A blind rivet or bolt is rendered fluid tight by applying heat activated sealant to some or all of the surfaces of the rivet that contact surfaces of the structure into which the rivet is inserted. The sealant is activated by a temperature self regulating heater formed by applying ferromagnetic material to appropriate locations on the rivet and heating the ferromagnetic material by an energizing structure associated with the rivet actuation tool, the structure depending upon whether the heater is activated by flux coupling from a coil or by ohmic heating.

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Materials in Design Engineering, "Mechanical Joints", pp. 143, 144, Jan. 1958.

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