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:
Apr. 09, 2019
Filed:
Oct. 10, 2014
Applicant:
Ishigaki Company Limited, Tokyo, JP;
Inventors:
Assignee:
ISHIGAKI COMPANY LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B30B 9/24 (2006.01); B30B 9/26 (2006.01); B01D 33/04 (2006.01); B01D 33/64 (2006.01); C02F 11/123 (2019.01);
U.S. Cl.
CPC ...
B30B 9/246 (2013.01); B01D 33/042 (2013.01); B01D 33/646 (2013.01); B30B 9/24 (2013.01); B30B 9/265 (2013.01); C02F 11/123 (2013.01); B30B 9/243 (2013.01); B30B 9/247 (2013.01);
Abstract
A pair of filter cloths is wound around a first roll a plurality of times by being wound around the first roll, then being wound around a second roll to return to a space between the first roll and the pair of filter cloths wound around the first roll, and being wound around the first roll again. The pair of filter cloths wound around the first roll the plurality of times applies a pressing force to the first roll.