Concrete core extraction device - Shimizu Construction Co., Ltd.

Title:

Concrete core extraction device

Document Type and Number:

Japanese Patent JP5945888

Kind Code:

B2

Inventors:

Shigeru Aoki

Application Number:

JP2012132985A

Publication Date:

July 05, 2016

Filing Date:

June 12, 2012

Export Citation:

Assignee:

Shimizu Construction Co., Ltd.

International Classes:

B28D1/14

Domestic Patent References:

Attorney, Agent or Firm:

Masatake Shiga
Tadashi Takahashi
Yoshifumi Saeki
Kenichi Kawabuchi

Previous Patent: An extraction method of a concrete core

Next Patent: JPS5945889