Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Reexamination Certificate
2001-08-08
2010-06-15
Markoff, Alexander (Department: 1792)
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
C134S022110
Reexamination Certificate
active
07736440
ABSTRACT:
A solid product removal method for removing a solid product adhering to a gas exhaust pipe member having a rinsing water inlet pipe member with a tip opening located inside the gas exhaust pipe member for feeding rinsing water into the inside of the gas exhaust pipe member from the tip opening thereof; hence a solid product formed newly upon reaction with the rinsing water and adhering thereto can be rinsed off with the rinsing water introduced from another tip opening located at a different position; and therefore, an adherence of the solid product can be prevented from heating the inner face of the gas exhaust pipe member. A scraping member for scraping the solid product stuck to the inner face of the gas exhaust pipe member may be used.
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Supplementary European Search Report dated Mar. 8, 2006.
Ikeda Hiroshi
Kamimura Kenji
Kitajima Munetaka
Kyotani Takashi
Samejima Takanori
Ebara Corporation
Markoff Alexander
Westerman Hattori Daniels & Adrian LLP
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