PROTECTOR APPARATUS AND METHOD OF DISCHARGING MUCK ON PROTECTOR APPARATUS

Japanese Patent JP3944725

B2

PROBLEM TO BE SOLVED: To safely discharge muck even in a narrow space to improve construction efficiency and safety by discharging the muck into a prescribed position while eliminating manual work of discharging the excavated muck, demolition debris of existing lining, or the like falling on the upper part of a protector apparatus, from the upper part of the protector apparatus.
SOLUTION: The protector apparatus 30 is provided with sidewall parts 1a, 1a and a top part 1b connected to the respective upper ends. The upper side of the top part 1b is provided with a muck receiving plate member 2 for receiving the muck 20, and one sidewall part 1a is provided with a side plate member 4 supported in a rotatable manner. Further, a jack 3 is provided for inclining the muck receiving plate member 2, and a jack 5 is provided for inclining the side plate member 4.

Hideto Makoto
Toshiaki Ishimura
Junichiro Nakamori
Fujiwara Yasumasa
Nomura Hiroto
Tsutomu Kiuchi
Yoshiyuki Ohara
Fujinaga Yuzaburo
Satoshi Isobe
Hideyuki Horiuchi
Tatsuya Noma

JP2002256163A

July 18, 2007

August 30, 2002

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Civil Engineering Research Institute
Advanced Construction Technology Center
Shimizu Construction Co., Ltd.
Taisei Corporation
Fujita Co., Ltd.

E21D9/01; E21D9/00; E21D11/00; (IPC1-7): E21D9/00; E21D11/00

JP2000328871A
JP3281802A
JP3125812U

Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama

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