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Title:
INCANDESCENT MANTLE AND ITS MANUFACTURE
Document Type and Number:
Japanese Patent JPH10241401
Kind Code:
A
Abstract:

To provide an incandescent mantle, not containing radioactive elements including thorium, for a fuel burning lantern, which is not inferior to a mantle mainly containing ThO2, rather superior thereto in brightness and durability.

This incandescent mantle is formed with a cellulose fiber organized bag material containing a metal oxide forming composition consisting of 95.0-99.9wt.% water-soluble zirconium compound and 0.1-5.0wt.% water-soluble hafnium compound. The metal oxide forming composition of 95.0-99.9wt.% water-soluble zirconium compound and 0.1-5.0wt.% water-soluble hafnium compound is dissolved in water, and the solution formed is impregnated to the cellulose fiber organized bag material, which is dried to manufacture the incandescent mantle.


Inventors:
Sano, Keizo
Application Number:
JP1997000038086
Publication Date:
September 11, 1998
Filing Date:
February 21, 1997
Export Citation:
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Assignee:
SANO KEIZO
International Classes:
F21H1/02; (IPC1-7): F21H1/02
Attorney, Agent or Firm:
阿形 明 (外1名)