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:
Sep. 26, 1989
Filed:
Jun. 22, 1988
Wm. R. Stewart & Sons (Hacklemakers) Limited, Dundee, GB;
Abstract
A cleaning system for use with a fibre opening device used in connection with the spinning of fibres into yarns wherein an opening roller is mounted for rotation in a housing incorporating a trash separation zone and a fibre stripping zone and the roller has a cylindrical working surface with combing elements projecting thereform, wherein the roller is substantially hollow and has holes in the cylindrical wall defining its working surface to permit flow of air through the wall and the interior of the roller is divided into two or more compartments, and means are provided to remove air and entrained dust and trash from a compartment adjacent to the trash separation zone, and further means are provided to insert air or other gas into a compartment adjacent the fibre stripping zone.