Self-heating article with deformable electrodes

Details Self-heating article with deformable electrodes Self-heating article with deformable electrodes

1977-07-25

1983-12-20

Dixon, Jr., William R.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

138123, 138124, 138125, 138126, 174DIG8, 156 85, 1562739, 219505, 219548, 219553, 338212, 428 36, 428212, 428222, 428225, 428256, 428913, 428136, 53442, 264 27, 264230, 264320, H05B 312, B29C 2700, H05B 338

Patent

active

044215827

ABSTRACT:
Articles which are heat-recoverable, or which can be rendered heat-recoverable or which have been heat-recovered, comprise a member composed of a conductive polymer and, attached to said member, at least two electrodes, at least one of which is an electrode comprising a plurality of pliable conductive elements, e.g., a braided tube. By connecting the electrodes to a source of electrical power, current is caused to pass through and heat the conductive polymer member. The heat generated can be used to provide all or part of the heat necessary to cause recovery of the heat-recoverable article. The conductive polymer preferably exhibits PTC behavior, thereby regulating the maximum temperature to which the article can be heated.

REFERENCES:
patent: 3253618 (1966-05-01), Cook
patent: 3253619 (1966-05-01), Cook et al.
patent: 3412358 (1968-11-01), Hummel et al.
patent: 3535494 (1970-10-01), Armbruster
patent: 3861029 (1975-01-01), Smith-Johannsen et al.
patent: 4017715 (1977-04-01), Whitney et al.
patent: 4055526 (1977-10-01), Kiyokawa et al.
patent: 4085286 (1978-04-01), Horsma et al.
patent: 4177376 (1979-12-01), Horsma et al.
patent: 4177446 (1979-12-01), Diaz
patent: 4223209 (1980-09-01), Diaz
patent: 4314145 (1982-02-01), Horsma
patent: 4330703 (1982-05-01), Horsma et al.

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