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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.:

US 12467360 B1

PDFFull Text
Date of Patent:
Nov. 11, 2025

Filed:

May. 08, 2021

Device and method for adjusting tunnel support force

Applicant:

Ningbo Langda Engineering Technology Co., Ltd., Zhejiang, CN;

Inventors:

Liping Chen, Zhejiang, CN;

Guogang Ying, Zhejiang, CN;

Hanhua Zhu, Zhejiang, CN;

Jiayuan He, Zhejiang, CN;

Dan Chen, Zhejiang, CN;

Yapeng Xing, Zhejiang, CN;

Assignee:

Ningbo Langda Engineering Technology Co., Ltd., Zhejiang, CN;

Attorneys:

Che-Yang Chen

Law Office of Michael Chen

Primary Examiner:

Benjamin F Fiorello

Int. Cl.
CPC ...
E21D 11/10 (2006.01); E21D 11/14 (2006.01);
U.S. Cl.
CPC ...
E21D 11/14 (2013.01); E21D 11/10 (2013.01);
Abstract

A tunnel supporting force adjusting device, comprising a fixed component, a movable supporting component and a driving component, wherein the fixed component is connected with section steel; the movable supporting component is connected with the fixed component and used for connecting with a tunnel trunk, and the movable supporting component, the fixed component and the section steel are fixedly connected with the tunnel trunk by pouring; and the driving component is detachably connected with the fixed component and the movable supporting component respectively to adjust the supporting force of the movable supporting component on the tunnel trunk. The present invention also discloses a tunnel supporting force adjusting method, in which adjusting devices are arranged in different positions of the section steel of the arch section of a tunnel to achieve fixed-point adjustment of the force in each position so as to form optimum supporting force and supporting effect.

Find Patent Forward Citations

Chen, Liping. (2025). Device and method for adjusting tunnel support force (U.S. Patent No. 12467360). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12467360

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

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