| 摘要 |
Electric radiating tube (30) for generating and diffusing heat obtained with spirally wound bands (20-23), entirely or partially superimposed, one or more of said bands (20, 22) being of electrically insulating material and one or more of said bands (21, 23) being of highly conducting material, thickness being measured in microns with an extremely high ratio between area and thickness, and of a constant cross section, there being at the ends of said tube (30) means of connection and contact (32, 43, 44) for electric feed, said means being connected to one or more of the highly conducting bands (21, 23). |
