Electric heating – Heating devices – With heating unit structure
Patent
1980-03-07
1982-03-23
Mayewsky, Volodymyr Y.
Electric heating
Heating devices
With heating unit structure
219213, 219345, 219548, 219553, H05B 348, H05B 366
Patent
active
043214592
ABSTRACT:
An improved electrical heating molded-element or unit in which a heating wire is embedded or confined in one side of a fibrous layer formed by molding inorganic fibers into a given thickness, characterized in that a portion of said element or unit in the vicinity of the embedded heating wire is treated to provide a zone in which the density, heat conductivity and fire resistance are greater than those of the remainder. With this electrical heating molded-element or unit, it is possible to extract effectively the amount of heat generated by heating wire. This element or unit can be used over an extended period of time with safety but without causing local disintegration thereof owing to the expansion or contraction of the heating wire.
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Harada Tsuneo
Kobayashi Kimimasa
Kobayashi Yawara
Miyahara Yoshihisa
Mayewsky Volodymyr Y.
Morrison Thomas R.
Nichias Corporation
Riken Corporation
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