E21D9/0607 - CPC Classification Index

ClassID:

135980 ⎘

E21D9/0607 - CPC Classification

Classification description:

Tunnels or galleries, with or without linings; Methods or apparatus for making thereof ; Layout of tunnels or galleries; Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering

Sub-classes:

E21D2009/0614 » {with means for applying a continuous liner, e.g. sheets of plastics, between the main concrete lining and the rock} 0

Recent Application in this class:

20250146954

MOVABLE VISUAL INSPECTION DEVICE FOR SHIELD MACHINES

20240084701

Centrifugal intelligent construction device for excavation concrete structure, and application thereof

20230332504

System and method for simultaneous excavation and segment erection of TBM by thrust shell

20220397036

Method and apparatus for controlling stratum deformation in shield construction process, and non-volatile storage medium

20210332702

Pipeline annular self-traveling guide apparatus and method

20210301660

CONSTRUCTION METHOD FOR MAKING WATER-RICH SAND LAYER SHIELD OVER CROSS EXISTING LINE AND UNDERNEATH CROSS SEWAGE PUSH PIPE AT CLOSE RANGE

20210032991

Device and method for continuously driving a tunnel

20200003056

Mixing and guniting device of new type for TBM

20190309625

Protective element with drainage, for connecting to a concrete element of a tunnel extension