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. 25, 1989
Filed:
Apr. 11, 1988
Akimasa Kuriyama, Kobe, JP;
Kabushiki Kaisha Kobe Seiko Sho, Kobe, JP;
Abstract
A dust seal assembly for a closed type mixer including a rotor shaft opening at least one end of a mixing chamber, a rotor shaft extending through the opening, a collar ring fitted on the rotor shaft for rotation therewith and closing the rotor shaft opening, and a fixed gland ring associated with the collar ring to impart a sealing pressure thereto, wherein the assembly includes: abrasion resistant members of super hard metals of different hardnesses attached to sliding portions of the collar ring and the gland ring, respectively, the abrasion resistant member on the gland ring being formed with a forwardly tapered shape in section.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile