H - Electricity – 05 – B
Patent
H - Electricity
05
B
28/47
H05B 3/42 (2006.01) D02J 1/22 (2006.01) D02J 13/00 (2006.01)
Patent
CA 1309245
ABSTRACT OF THE DISCLOSURE A yarn heating element wherein fixed elongated core having a heater therein serves as a support for a sleeve rotatably mounted to and telescoped over the core. The space between the core and sleeve can be varied along their lengths to serve as a means for controlling heat radiated from the core to the shell to control the temperature profile along the length of the shell. Varying the winding density of the heater can serve the same purpose. 1.28 ?-4730
592469
Duncan James E.
E.i. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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