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:
Mar. 30, 1993
Filed:
Jul. 01, 1991
Tatsuo Shimizu, Miyagi, JP;
Osamu Yamaura, Miyagi, JP;
Toshio Soneta, Miyagi, JP;
Takashi Aoya, Miyagi, JP;
Sony Corporation, Tokyo, JP;
Abstract
A calendering roll cleaning apparatus having a cleaning tape for wiping the surface of a calendering roll and an elastic belt formed of an elastic material is disclosed. The cleaning tape is thrust by the elastic belt from the back side of the calendering roll into pressure contact with the calendering roll. The elastic belt is formed of silicon rubber and is formed with indentations at predetermined pitch on its surface contacting with the cleaning tape. The cleaning tape is constituted b a porous fibrous base material and an abrasive applied in stripes on the base material.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile