Electrical heating unit with serpentine heating element
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United States of America Patent
Stats
-
Mar 11, 1986
Grant Date -
N/A
app pub date -
May 8, 1984
filing date -
May 8, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A heating unit combining a block of thermal and electrical insulating material and an electrical resistance element in which the block contains a mass of ceramic fibers bound together and has an elongated slot with confronting walls rising to the surface of the block from opposite sides of a land, and the resistance element is in the form of a thin member constructed of a continuous resistance wire which is provided with opposite bends to form a serpentine shape, the bends being embedded in the opposite walls of the block to secure the electrical resistance element on the block, and the resistance element abutting the land of the slot between the walls thereof.
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Family
International Classification(s)
Cited Art Landscape
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