Patent Number: 6,297,477

Title: Electric cooking and toasting apparatus and electric elements therefor

Abstract: An electric heating element (11) in which electrically conductive tape (23) is wound on a non-electrically conductive former (12) and the tape is completely covered by covers (30) of electrically non-conductive but heat conductive material secured to the former. Preferably the covers and former are of Mica or Micanite. The covers are secured to the former by channel sectioned strips (31) along opposite side edges and by fastening eyelets (26) extending through the covers and former intermediate the edges. For use in an upright toaster the tape is wound continuously round the former with each run thereof extending between the grooves in the opposite side edges of the former, the grooves in the upper portion being spaced from one another by 4.6 to 7 mm while the grooves in the lower portion of the former are spaced by a smaller distance in the range 3.6 to 5 mm. For use in a conveyor toaster the runs adjacent the sides of the conveyor are more closely spaced than those in the center. The invention extends to toasters and other cooking or heating apparatus incorporating such elements.

Inventors: Gort-Barten; Leslie Alexander (Dulwich Common, GB), Milton; Brian (Keston, GB)

Assignee: Dualit Limited

International Classification: A47J 37/08 (20060101); H05B 3/16 (20060101); A47J 037/08 (); H05B 003/06 (); H05B 003/18 (); H05B 003/26 (); H05B 003/28 ()

Expiration Date: 10/02/2018