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.

Date of Patent:
May. 04, 2004

Filed:

Jul. 07, 2000
Applicant:
Inventors:

Masayuki Okawa, Tochigi, JP;

Kenichi Tanihata, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B30B 1/530 ;
U.S. Cl.
CPC ...
B30B 1/530 ;
Abstract

The present invention relates to a calender roll cleaning apparatus for smoothing a surface of a magnetic layer of a magnetic recording medium passed through a plurality of calender rolls. The cleaning apparatus comprises a wiping cloth feeding apparatus that feeds a calender roll surface wiping cloth at a definite rate and tension. A cleaning liquid supplying apparatus supplies a controlled amount of cleaning liquid such that the cleaning liquid permeates into the wiping cloth fed from the wiping cloth feeding apparatus. A wiping cloth pressing apparatus presses the permeated wiping cloth at a controlled pressing load.


Find Patent Forward Citations

Okawa, Masayuki. (2004). Calendar roll cleaning apparatus (U.S. Patent No. 6729230). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6729230

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…