Compositions: ceramic – Ceramic compositions – Refractory
Patent
1990-07-03
1992-06-23
Dixon, Jr., William R.
Compositions: ceramic
Ceramic compositions
Refractory
431100, 252492, F21H 102, C04B 3548
Patent
active
051242869
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.
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Bonner C. Meissa
Dixon Jr. William R.
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