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:
Dec. 10, 1996
Filed:
Apr. 25, 1995
Applicant:
Inventors:
Alan Sellars, South Humberside, GB;
Malcolm J Hayhurst, Coventry, GB;
Assignee:
Courtaulds Fibres (Holdings) Limited, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
425 71 ; 250559120 ; 250559450 ; 264143 ; 264151 ; 264188 ; 264189 ; 264408 ; 264409 ; 356386 ; 356431 ; 425154 ; 425169 ; 425296 ;
Abstract
In a system for the production of solvent-spun cellulose tow, trash and other undesirable material is detected by a device which projects a light beam across the tow and a receiver for the beam which initiates a signal if the beam is obscured beyond a predetermined amount.