Title:
【発明の名称】白熱マントル
Document Type and Number:
Japanese Patent JPH05501848
Kind Code:
A
Abstract:
An improved incandescent mantle which is free of radioactive materials and stronger than mantles produced in the past. The present invention provides a mantle comprised of zirconia, yttria, erbia and ceria, which produces a resulting light output and color comparable for practical purposes to that of traditional thorium mantles. Although the invention is particularly adapted to mantles of inverted form, it is also applicable to other forms.
Inventors:
Edgar, John, Pee.
Application Number:
JP50306390A
Publication Date:
April 08, 1993
Filing Date:
January 03, 1990
Export Citation:
Assignee:
Edgar, John, Pee.
International Classes:
C04B38/06; F21H1/02; F21H3/00; F21S13/00; (IPC1-7): C04B38/06; F21H1/02; F21M9/00
Attorney, Agent or Firm:
Teruo Akimoto