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.

Date of Patent:
Nov. 16, 2010

Filed:

May. 19, 2005
Applicants:

Koji Ushida, Aichi-ken, JP;

Mitsuo Ishikawa, Aichi-ken, JP;

Hiroaki Watanabe, Aichi-ken, JP;

Hideaki Kaga, Aichi-ken, JP;

Nobuyoshi Kawai, Aichi-ken, JP;

Akikazu Yokoi, Aichi-ken, JP;

Inventors:

Koji Ushida, Aichi-ken, JP;

Mitsuo Ishikawa, Aichi-ken, JP;

Hiroaki Watanabe, Aichi-ken, JP;

Hideaki Kaga, Aichi-ken, JP;

Nobuyoshi Kawai, Aichi-ken, JP;

Akikazu Yokoi, Aichi-ken, JP;

Assignee:

Sintokogio, Ltd., Aichi-Ken, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24C 3/14 (2006.01); B24C 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A shot-peening device(s) is installed on a side of a cabinet defining an ejection chamber in the cabinet. Shots ejected from the device to a workpiece fall and are conveyed in a horizontal direction by a horizontal screw conveyor positioned above a lower end of the cabinet and then conveyed upward by a vertical screw conveyor whose base end is above the lower end of the cabinet. The shots pass from an upper section of the vertical screw conveyor through a chute to reach an opening/closing gate. When the gate is opened and the shots are supplied to the device(s) for re-ejeciton, a portion of the shots is cause to overflow from the gate. The overflowed shots are caused to pass through a separator to remove impurities and then returned to the horizontal screw conveyor.


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