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:
Nov. 02, 1982
Filed:
Aug. 11, 1980
Applicant:
Inventor:
Herbert Fraenkel, London, GB;
Assignee:
Gunson's Sortex Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B07C / ;
U.S. Cl.
CPC ...
209576 ; 209908 ; 209932 ; 2502 / ; 350 63 ; 3502 / ; 356446 ;
Abstract
Inspection apparatus comprising a transparent or translucent tubular member having at least a frusto-conical portion, illuminating elements disposed externally of the tubular member for producing an illuminated zone within the frusto-conical portion, and a viewing arrangement disposed externally of the tubular member and arranged to view objects passing through the illuminated zone in the frusto-conical portion so as to respond to the value of a property of said objects, the tubular member reflecting substantially no light from the illuminated zone onto the viewing arrangement.