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:
Dec. 14, 1993

Filed:

Sep. 11, 1991
Applicant:
Inventors:

Hiroaki Tsuchiya, Yokohama, JP;

Keishi Ohsawa, Yokohama, JP;

Yuji Sakemi, Yokohama, JP;

Kenichiro Waki, Kawasaki, JP;

Nobuyuki Ito, Oume, JP;

Takehiro Takano, Sendai, JP;

Yoshiro Tomikawa, Yonezawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
118653 ; 310323 ; 355245 ; 417322 ;
Abstract

An ultrasonic oscillation is applied in the neighborhood of one end of a guide member for supporting and guiding a powder, so that a transverse proceeding wave is generated in the guide member. The powder moves from the other end of the guide member toward a position of the applied ultrasonic oscillation under the action of this proceeding wave.


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