Baking method

Electric heating – Heating devices – With heating unit structure

Reexamination Certificate

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Details

C219S553000, C219S390000, C219S409000, C219S538000

Reexamination Certificate

active

07002116

ABSTRACT:
A baking method for heating an object (an inner pipe, an outer pipe) having a vacuum layer formed therein to remove gas molecules occluded in the object, wherein the object itself is made to be a heat production element for heating. By making the baking object a heat production element, the object can be heated directly and the heating can be energy-efficient. Moreover, additional heating means such as a heater or gas is unnecessary, which enables simplification of a configuration of a baking device. Therefore, a baking method is obtained which enables energy-efficient heating and, in particular, uniform heating of a long or large object.

REFERENCES:
patent: 4490828 (1984-12-01), Fukuhara et al.
patent: 09-273659 (1997-10-01), None
patent: 09-296779 (1997-11-01), None
patent: 11-125609 (1999-05-01), None

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