トンネルの管理通路用建具 - Shimizu Construction Co., Ltd.

Title:

トンネルの管理通路用建具

Document Type and Number:

Japanese Patent JP7217221

Kind Code:

B2

Abstract:

To provide a fixture for a tunnel management passage having high dimensional accuracy.SOLUTION: A fixture for a tunnel management passage 100 is structured with cardboard members, and has a frame body 1 installed at the opening of a tunnel and a flatly formed fixture body 3 rotated around a rotation axis of one side in the width direction to open/close the other side in the width direction. The frame body 1 has an upper frame 10 installed above the opening and vertical frames 20 installed at both ends in the width direction of the opening. Each of the upper frame 10 and the vertical frames 20 has flatly formed frame face material parts 11 and 21 and frame edge parts 12, 22 and 24 curvedly provided from outer edges of the frame face material parts 11 and 21 and arranged along the opening.SELECTED DRAWING: Figure 2

Inventors:

Uno Masatoshi
Shinichiro Sueyoshi
Fumihiro Miyase
Yutaka Takahashi
Jun Shiono

Application Number:

JP2019238574A

Publication Date:

February 02, 2023

Filing Date:

December 27, 2019

Export Citation:

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