Patent · US Active

Mechanical tunneling apparatus and process for tunnel in quicksand stratum

US11976558B2 · kind B2 · utility

0Cited by

1References

7Claims

0Family size

Assignee

SHANDONG UNIVERSITY · CN

Inventors

Ke Wu · Jinan, CN
Dapeng Liu · Beijing, CN
Wenbin Xu · Beijing, CN
Yajun Liu · Jinan, CN
Zhongyu Dou · Jinan, CN
Zhenhua Liu · Beijing, CN

Key dates

Filing date	Sep 1, 2023
Grant date	May 7, 2024
Priority date	—
Expiry date	Sep 1, 2043

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21D9/0671
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

The present invention relates to a mechanical tunneling apparatus and process for a tunnel in a quicksand stratum. The mechanical tunneling apparatus comprises isolating apparatuses arranged at an upper end and a lower end of a supporting apparatus; an excavation apparatus arranged at a front end of the supporting apparatus; a spraying apparatus arranged on the isolating apparatuses and the excavation apparatus; a muck discharging apparatus arranged at a lower part of the supporting apparatus; and a propulsion apparatus arranged at a rear end of the supporting apparatus.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.