The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 16, 2007
Filed:
Apr. 16, 2004
Applicants:
Yoshio Nakamura, Nagano, JP;
Yoshio Otsuka, Nagano, JP;
Inventors:
Yoshio Nakamura, Nagano, JP;
Yoshio Otsuka, Nagano, JP;
Assignee:
Fujikoshi Machinery Corp., Nagano, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28D 7/10 (2006.01); B21D 53/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for adjusting temperature of a machining liquid, e.g., slurry, etching liquid, by passing the machining liquid through a heat exchanger. The heat exchanger, which adjusts the temperature of the machining liquid, includes a ceramic heat exchanging tube which is made by baking silicon carbide (SiC).