Enhanced conductive joints from fiber flocking

Details Enhanced conductive joints from fiber flocking Enhanced conductive joints from fiber flocking

1995-04-10

1998-03-10

Lorin, Francis

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1562731, 156276, 1563045, 174 74R, 174261, 427122, 427206, 427463, 439290, 29825, 29869, 29872, H01B 0104, H01R 0458

Patent

active

057257078

ABSTRACT:
A method and apparatus for providing electrical conductivity between the opposing surface edges of gaps and joints in composite and metallic structures comprises fiber flocking a first and second set of conductive fibers in a direction normal to the surface edge of each side of the gap or joint. The first and second set of conductive fibers are positioned such that the conductive fibers interdigitate with respect to each other providing a compliant electrically conductive path between the opposing surface edges of the structural gaps and joints. After assembly, the defined joint or gap containing the interdigitated sets of carbon fibers may be filled with a polymer material or materials which constitute state of the art matrix materials used for conductive joints. Applications for this technology include electromagnetic shielding and low observables.

REFERENCES:
patent: 4857377 (1989-08-01), Daimon et al.
patent: 4945016 (1990-07-01), Murachi
patent: 4997993 (1991-03-01), Halversen
patent: 5115104 (1992-05-01), Bunyan
patent: 5185402 (1993-02-01), Fleming et al.
patent: 5316839 (1994-05-01), Kato et al.
patent: 5506293 (1996-04-01), Steelman et al.
Bolgen, "Flocking Technology", Journal of Coated Fabrics, vol. 21 -Oct. 1991, p. 123 et seq.
Potente and Gabler, "A New Method for Flocking Plastics", Polymer Engineering Reviews, vol. I, No. 3, 1981, p. 249 et seq.

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