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:
Jul. 14, 2026

Filed:

Apr. 12, 2022
Applicant:

East Rock Union Limited, Beijing, CN;

Inventors:

Jue Wang, Beijing, CN;

Yongjiang Zong, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 45/26 (2006.01); B29C 45/02 (2006.01); B29C 45/27 (2006.01); B29C 45/33 (2006.01); B29K 21/00 (2006.01); B29L 31/50 (2006.01);
U.S. Cl.
CPC ...
B29C 45/2602 (2013.01); B29C 45/02 (2013.01); B29C 45/27 (2013.01); B29C 45/33 (2013.01); B29K 2021/00 (2013.01); B29L 2031/501 (2013.01);
Abstract

A die-casting forming mold for vulcanized rubber boots, comprising: a combined shaft mold provided with an inner cavity corresponding to a shaft of a rubber boot; a last moldprovided with partition elements, comprising a body substantially corresponding to the shaft of the rubber boot in shape, and two or more partition elements disposed on the body, the last moldbeing adapted to be mounted in the inner cavity of the shaft mold to form a die-casting forming cavity between the wall of the inner cavity of the shaft mold and the outer surface of the last mold, and the die-casting forming cavity being divided into two or more portions by the last moldand the shaft mold, wherein the last moldfurther comprises: a longitudinally extending rubber injection channel extending longitudinally downward from the upper surface of the last mold, and a transversely extending rubber injection channel extending transversely from the longitudinally extending rubber injection channel to a rubber outlet in the surface of the last mold; and a rubber injection plateadapted to be mounted to the top of the shaft mold to guide the injection of an unvulcanized mixed rubber material, the rubber injection platebeing provided with: a rubber injection holeadapted to be connected to an external injection head to inject the unvulcanized mixed rubber material, and a rubber injection channel for communicating the rubber injection holewith the longitudinally extending rubber injection channel.


Find Patent Forward Citations

Wang, Jue. (2026). Transfer molding mold and transfer molding apparatus for vulcanized rubber boots (U.S. Patent No. 12679013). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12679013

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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