削孔装置および削孔方法 - Kashima Construction Co., Ltd.

Title:

削孔装置および削孔方法

Document Type and Number:

Japanese Patent JP4515164

Kind Code:

B2

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Inventors:

Masaaki Sato
Tomohisa Hagiwara
Tamamura Kouji
Kotaro Matsueda
Junichi Tsukada
Yoshifumi Yoshida

Application Number:

JP2004178859A

Publication Date:

July 28, 2010

Filing Date:

June 16, 2004

Export Citation:

Assignee:

Kashima Construction Co., Ltd.
Drill Machine Co., Ltd.

International Classes:

E21B7/04; E21B21/00; E21D9/04

Domestic Patent References:

Attorney, Agent or Firm:

Yoshiki Hasegawa
Shiro Terasaki
Tomoya Kurokawa
Hikaru Suzuki

Previous Patent: JPS4515163

Next Patent: 基板搬送装置および基板処理装置