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:
Jun. 23, 2020

Filed:

Dec. 26, 2016
Applicant:

The Japan Steel Works, Ltd., Tokyo, JP;

Inventors:

Masanosuke Ikegaya, Kanagawa, JP;

Yukio Fujiwara, Kanagawa, JP;

Kazunari Suzuki, Kanagawa, JP;

Toshimitsu Okuoka, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 45/80 (2006.01); B29C 49/20 (2006.01); B29C 49/56 (2006.01); B29C 49/78 (2006.01); B29C 49/04 (2006.01); B29C 49/48 (2006.01);
U.S. Cl.
CPC ...
B29C 45/80 (2013.01); B29C 49/56 (2013.01); B29C 49/04 (2013.01); B29C 49/20 (2013.01); B29C 49/78 (2013.01); B29C 2049/2013 (2013.01); B29C 2049/4807 (2013.01); B29C 2049/563 (2013.01); B29C 2049/566 (2013.01);
Abstract

Moving servo motors of molds in synchronization with the operations of platens which enables fine patterns or shapes to be formed even on a large molded article. A mold clamping device forms patterns or the like on a molded article by detecting a mold position of a second platen among first, second, third platens with digital mold opening/closing position detector, and driving servo motors for molds of the molds in synchronization with a digital mold opening/closing position signal from the digital mold opening/closing position detector.


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