H - Electricity – 05 – B
Patent
H - Electricity
05
B
25/139, 309/51
H05B 3/06 (2006.01) A45D 20/12 (2006.01) H05B 3/16 (2006.01) H05B 3/46 (2006.01)
Patent
CA 1237759
Abstract Supports for electric heating elements A support for an electric heating element comprises a former of generally cylindrical shape, made of a heat resisting material and having a longitudinal core from which extend spaced ribs that support an outer wall. Portions of the outer wall and of the ribs are omitted along a helical path around the core to provide a mount for an electric heating element. A heating element assembly including the support and the heating element is mounted in a hot air gun. The support is made in two stages, the first stage being an extrusion stage and the second stage involving the machining of a helical slot in the extruded component.
484439
Bayles Peter W.
Wilson Peter H.
Black & Decker Inc.
Gowling Lafleur Henderson Llp
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