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. 18, 1989
Filed:
Feb. 10, 1988
Yashuhiro Miura, Chiba, JP;
Hiromu Iwata, Kisarazu, JP;
Sumitomo Chemical Company, Limited, Osaka, JP;
Abstract
In an automatic cleaning device for use in the thermoplastics extrusion plastometer including a piston cleaning unit, a conveying unit, a cylinder cleaning unit and a die cleaning unit. The piston cleaning unit cleans the surface of the piston at plasticity testing positions. The conveying unit moves the cylinder from the plasticity testing position to a cylinder cleaning position and to a die cleaning position. The cylinder cleaning unit cleans the interior surface of the cylinder at a cylinder cleaning position. Finally, the die cleaning unit cleans the interior surface of the die at the die cleaning position.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile