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:
Jun. 09, 2015
Filed:
Apr. 05, 2011
Applicants:
Kazuhisa Watanabe, Tokyo, JP;
Masaaki Nakayama, Tokyo, JP;
Osamu Horiuchi, Tokyo, JP;
Inventors:
Assignee:
NICHIAS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25F 5/02 (2006.01); C03B 17/06 (2006.01); B65H 27/00 (2006.01); C04B 33/32 (2006.01); C04B 33/36 (2006.01); C04B 35/636 (2006.01);
U.S. Cl.
CPC ...
C03B 17/061 (2013.01); B65H 27/00 (2013.01); C03B 17/068 (2013.01); C04B 33/32 (2013.01); C04B 33/36 (2013.01); C04B 35/636 (2013.01); C04B 2235/3427 (2013.01); C04B 2235/5228 (2013.01); C04B 2235/5264 (2013.01); C04B 2235/6567 (2013.01); C04B 2235/77 (2013.01); C04B 2235/94 (2013.01); C04B 2235/9607 (2013.01);
Abstract
A disk roll base material includes 20 to 38 wt % of alumina silicate wool that include 40 to 60 wt % of alumina and 40 to 60 wt % of silica, and have a content of shots having a dimension of 45 μm or more of 5 wt % or less, 10 to 30 wt % of kibushi clay, 2 to 20 wt % of bentonite, and 20 to 40 wt % of mica.