A departure method of the entrance structure for a tunnel, and a shield excavator

Title:

A departure method of the entrance structure for a tunnel, and a shield excavator

Document Type and Number:

Japanese Patent JP6031329

Kind Code:

B2

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Inventors:

Yasushi Morita
Masayuki Sekiya

Application Number:

JP2012241972A

Publication Date:

November 24, 2016

Filing Date:

November 01, 2012

Export Citation:

Assignee:

Taisei Corporation
Rokuryo Rubber Co., Ltd.

International Classes:

E21D9/06

Domestic Patent References:

Attorney, Agent or Firm:

Isono International Patent and Trademark Office
Isono Dozo
Etsuo Tada
Nosho Machida

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