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:
Aug. 08, 1989
Filed:
Jan. 12, 1987
Applicant:
Inventors:
Peter J Barratt, Accrington, GB;
Douglas O Clough, both fo Rossendale, GB;
Peter J Dickinson, both fo Rossendale, GB;
William M Farnhill, Burnley, GB;
Assignee:
Hollingsworth (U.K.), Ltd., Accrington, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01H / ; D01H / ;
U.S. Cl.
CPC ...
57301 ; 57304 ; 57401 ;
Abstract
Slubs are removed from an open-end spinning chamber by the application of suction to a debris-extraction duct by a valve opened to a suction line as the chamber is opened to a suction line as the chamber is opened for cleaning.