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:
Sep. 08, 2009

Filed:

Mar. 28, 2006
Applicants:

Tsukasa Kato, Toyota, JP;

Hidenori Uebayasha, Toyota, JP;

Yoshiki Matsuura, Toyota, JP;

Hiroaki Furuya, Ube, JP;

Kaoru Fujii, Ube, JP;

Inventors:

Tsukasa Kato, Toyota, JP;

Hidenori Uebayasha, Toyota, JP;

Yoshiki Matsuura, Toyota, JP;

Hiroaki Furuya, Ube, JP;

Kaoru Fujii, Ube, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 45/64 (2006.01); B22D 33/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

Die opening-closing meansincludes a servo motorand a movement conversion mechanism and is disposed between a support plateand a base stand. A movable plateis mounted on the support platethat is disposed on the base standvia a linear movement guide. In a forging cycle, die opening and closing is performed by activation of the die opening-closing meansand tie bar fixing meansat a rear surface side of the movable plate, and clamping force is obtained using a die clamping cylinderprovided in the movable plate. When it is necessary to change over exclusive diesand, change over is performed by: extending tie bar removal cylindersprovided in a framebehind the movable plateso as to remove tie barsfrom a fixed plate; and moving a movable railof internal railsto an open position and moving the change over carriage in along the internal railsfrom the outside.


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