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.
Patent No.:
Date of Patent:
Oct. 07, 2025
Filed:
Mar. 30, 2022
Applicant:
Kyoraku Co., Ltd., Kyoto, JP;
Inventors:
Assignee:
KYORAKU CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 48/31 (2019.01);
U.S. Cl.
CPC ...
B29C 48/313 (2019.02);
Abstract
Provided is a die lip opening/closing device capable of preventing wear and damage on an actuator of a pusher. According to the present invention, there is provided a die lip opening/closing device, the device including an opening/closing structure configured to open and close a die lip of a T-die in response to a linear motion of a pusher, and an actuator configured to actuate the pusher to move linearly, wherein the pusher includes a plurality of sub-pushers disposed along a longitudinal direction of the die lip, and the actuator is provided for each of the sub-pushers.