Liquid heaters and vaporizers – Tube sheets
Patent
1997-12-09
2000-11-28
Ferensic, Denise L.
Liquid heaters and vaporizers
Tube sheets
122DIG13, 432234, 432236, 432246, F22B 1702
Patent
active
06152087&
ABSTRACT:
A boiler tube protector having a cylindrical or semi-cylindrical shape and adapted to be attached around an outer peripheral face of a boiler tube with mortar, which boiler tube protector includes a plurality of ceramic bodies closely arranged along their parting planes, wherein the parting planes includes a restraining portion for restraining slippage of each of the ceramic bodies.
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Inoue Keita
Ito Shigeo
Mizuno Kazuhiro
Nakagawa Yuji
Orita Norihiko
Ferensic Denise L.
Lu Jiping
NGK Insulators Ltd.
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