Segment piece used for the removing method and the removing method concerned of the back Included injection material solidified on the tail seal of the shield machine

Title:

Segment piece used for the removing method and the removing method concerned of the back Included injection material solidified on the tail seal of the shield machine

Document Type and Number:

Japanese Patent JP5916455

Kind Code:

B2

Inventors:

Hiroyasu Ono

Application Number:

JP2012064622A

Publication Date:

May 11, 2016

Filing Date:

March 22, 2012

Export Citation:

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Assignee:

Kumagai Gumi Co., Ltd.

International Classes:

E21D11/00

Domestic Patent References:

JP2000274192A
JP8218782A
JP2005105716A
JP2008285922A

Attorney, Agent or Firm:

Junichi Miyazono
Miyazono Yasuo

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