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. 24, 1993
Filed:
Feb. 08, 1991
Applicant:
Inventor:
Katsumi Tokoyama, Osaka, JP;
Assignee:
Hajime Industries, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
356244 ; 209581 ;
Abstract
Apparatus is provided for inspecting powder material and for removing the foreign matter therefrom. A rotary table is provided to receive powder material to be inspected on its surface. A feeder supplies the powder material onto the surface of the table aligned in a single layer and a photosensing system detects the foreign matter. The foreign matter is removed by a suction device. Thereafter, the remaining power material is removed by a second suction device.