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:
Mar. 24, 2026

Filed:

Nov. 02, 2023
Applicant:

Sumitomo Heavy Industries, Ltd., Tokyo, JP;

Inventors:

Daigo Hotta, Chiba, JP;

Hajime Ono, Chiba, JP;

Naoki Kitaguchi, Chiba, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 45/76 (2006.01);
U.S. Cl.
CPC ...
B29C 45/7626 (2013.01); B29C 45/7653 (2013.01); B29C 2945/76568 (2013.01); B29C 2945/76709 (2013.01); B29C 2945/76725 (2013.01);
Abstract

A control device controls an operation of an injection molding machine that advances and retracts an ejector rod of an ejector unit. The control device is configured to set a plurality of operation modes including a first operation mode and a second operation mode in which the injection molding machine is operated. The control device sets, at different positions from each other, a first retraction position where the ejection rod retracts to and waits in the first operation mode and a second retraction position where the ejection rod retracts to and waits in the second operation mode.


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