Title:
FAR INFRARED RAY RADIATION BULB
Document Type and Number:
Japanese Patent JPH05190157
Kind Code:
A
Abstract:
PURPOSE: To provide a far infrared ray radiation bulb which can be used without changing the already existing equipment and particularly possesses the superior mass production performance.
CONSTITUTION: On the surface of a housing 10 made of aluminium, a far infrared ray radiation layer 15 which radiates the far infrared ray in 3μ or far is formed as a welded layer through the oxidation dispersion of Al2O3 by the alumite processing by heating, and a heating body 12 contained in the housing 10 is connected in electric conduction enabled manner with an external electric power source.
Inventors:
IZUMI MASAHIKO
Application Number:
JP4004192A
Publication Date:
July 30, 1993
Filing Date:
January 10, 1992
Export Citation:
Assignee:
SHOWA DEVICE PLANT KK
International Classes:
F24C7/06; H01K7/00; (IPC1-7): F24C7/06; H01K7/00