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:
Oct. 12, 1976
Filed:
Dec. 20, 1974
Applicant:
Inventor:
Karl R Grice, Jr, Honea Path, SC (US);
Assignee:
Fiber Controls Corporation, Gastonia, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; D01H / ;
U.S. Cl.
CPC ...
19240 ; 73 3 / ; 73 676 ; 73 69 ; 73160 ;
Abstract
Apparatus in a card for sensing and controlling the relative speeds of the feed and doffer rolls in accordance with the sliver density as sensed by error detection circuitry responding to the amount of a transduced compression wave in the sonic ultrasonic range which passes through the sliver.