Title: Fastening device for use with induction heater apparatus and system for holding together two nonmetal surfaces

Abstract: A fastening device having a sheet of eddy current conducting material sandwiched between two sheets of heat-activatable plastic material, the sheet of eddy current conducting material having a matrix of apertures, the sheets of heat-activatable plastic material covering the matrix area, and the device including means on an outer surface for releasably holding the device against a non-metallic surface prior to heat activation of the sheets of plastic material by an induction heater apparatus and system.

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Inventors: Sindt, Melvin R. (Stanwood, WA, US)

Application Number: 559341
Filing Date: 1975-03-17
Publication_date: 1976-12-07
Assignee: The Boeing Company (Seattle, WA)
Primary Class(es): 428/140 156/272.4, 219/633, 428/418
Other Classes:
US Patent Ref:

1863186	Jun, 1932	Burns	428/138.
2075373	Mar, 1937	Tomec	428/139.
2241312	May, 1941	Luty	428/138.
2529914	Nov, 1950	Challender	219/528.
3510619	May, 1970	Leatherman	219/10.
3574031	Apr, 1971	Helle, Jr. et al.	156/275.
3576091	Apr, 1971	Shul, Jr. et al.	156/275.
3612803	Oct, 1971	Klaas	219/10.
3733231	May, 1973	Rutkowski et al.	156/71.
3756881	Sep, 1973	Denman	156/275.
3846204	Nov, 1974	Eisler	156/275.

Other Refs:
Primary Examiner: Dier, Philip
Assistant Examiner:
Attorney: Gardner; Conrad O.