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US 4,055,723 AGranted
Heater support element for electric furnace
AssigneeLeeds & Northrup Company
InventorWallace Snow Vanderford
Life of this patent
Estimating the term…
Abstract
A supporting means for a flexible graphite cloth heating element comprised of a conductive bar having a dovetail shaped slot and a mandrel shaped to fit within the slot and to hold a loop of the graphite cloth heating element therein.
Claims8
In an electric furnace having an electric heater formed of aflexible material, an improved electrical connecting and supporting element for said heater comprising
- a bar of electrically conductive material having in a face thereof a longitudinal slot parallel with the longitudinal axis of said bar with the width of its entrance of lesser dimension than the width of the inner portion of said slot to receive within said slot a loop of said flexible electric heater, and
- a mandrel having a cross-sectional dimension greater than said width of said entrance and less than said width of said inner portion of said slot inserted within said loop within said slot whereby said flexible material is mechanically secured to said bar of electrically conductive material and provides an electrical connection between said bar and said heater.
Dependencies are inferred from the claim text.