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:
Feb. 20, 2024

Filed:

May. 07, 2020
Applicants:

China Railway 14th Bureau Group Co., Ltd., Shandong, CN;

Ocean University of China, Shandong, CN;

Inventors:

Jian Chen, Shandong, CN;

Shuchen Li, Shandong, CN;

Bin Zhi, Shandong, CN;

Chengzhen Wang, Shandong, CN;

Penglin Li, Shandong, CN;

Hongjun Liu, Shandong, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21D 9/14 (2006.01); E21D 9/06 (2006.01);
U.S. Cl.
CPC ...
E21D 9/0635 (2013.01); E21D 9/14 (2013.01);
Abstract

The present disclosure provides a shield sealing device and a shield sealing method, a pile wall is arranged at a shield receiving opening, the shield sealing device is mounted on the pile wall, and the shield sealing device comprises: an elastic inner ring, an inner wall of the elastic inner ring adapting to an outer wall of a cutter head of a shield tunneling machine; and a plurality of control units, the plurality of control units being mounted on the pile wall, the plurality of control units being arranged in a circumferential direction of the elastic inner ring at intervals, and a driving end of the control part pressing against an outer side of the elastic inner ring so as to extrude or release the elastic inner ring.


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