Far infrared tubular porous ceramic heating element

Electric heating – Heating devices – With heating unit structure

Reexamination Certificate

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Details

C219S552000, C264S431000, C264S273000, C264S267000, C156S064000, C156S089220, C156S074000, C428S138000, C428S188000, C428S116000

Reexamination Certificate

active

07049561

ABSTRACT:
A far infrared tubular porous ceramic heating element which is suitable for various kinds of catalyst, heater and electric conductor . . . etc. Inside the body, a plurality of via holes is formed, and the crossing portions of the walls of via holes are formed in arc shape so as to prevent breaking and disturbance to heat flow.

REFERENCES:
patent: 5399841 (1995-03-01), Abe et al.

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