Electric heating – Heating devices – With heating unit structure
Patent
1988-02-24
1989-11-14
Pellinen, A. D.
Electric heating
Heating devices
With heating unit structure
219505, 219528, 174DIG8, H05B 336
Patent
active
048809624
ABSTRACT:
An electrical heater suitable for heating a hot-melt adhesive to seal a cable splice case. The heater is in strip form and comprises a conductive polymer between two electrodes. The conductive polymer has a positive temperature coefficient of resistance and is thereby self-regulating. Current in-rush when the heater is cold is reduced by initially having only a portion of the heater connected to the power source.
REFERENCES:
patent: 4532164 (1985-07-01), Claunch
patent: 4548662 (1985-10-01), Chazan
patent: 4641009 (1987-02-01), Vansant
patent: 4675512 (1987-06-01), Doucet
patent: 4689474 (1987-08-01), Overbergh
Jensen Michael L.
Nolf Jean-Marie E.
Vansant Jan L. M. F. G.
Burkard Herbert G.
Fuller Leon K.
Pellinen A. D.
Raychem Corporation
Richardson Timothy H. P.
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