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:
Jan. 16, 1996

Filed:

Mar. 18, 1994
Applicant:
Inventors:

Masato Shimizu, Tokyo, JP;

Fumiaki Kobayashi, Tokyo, JP;

Yoshio Akahori, Tokyo, JP;

Shinichi Fukada, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B30B / ;
U.S. Cl.
CPC ...
100 50 ; 100256 ; 100289 ;
Abstract

An electropressing apparatus includes an electric motor driven through a motor driver circuit to operate a pressing ram through a rotational mechanism constructed to move the pressing ram in a vertical direction relative the workpiece. Various detecting and control arrangements are used to detect, memorize, set and change the following: an initial position of the pressing ram; an upper limit stop position of the pressing ram with respect to the workpiece; a lower limit stop position of the pressing ram immediately above the workpiece; a position at which the pressing ram starts to apply a pressure to the workpiece; and a terminal position at which the pressing ram stops to apply pressure to the workpiece.


Find Patent Forward Citations

Loading…