Title:
引き戸式扉構造及びシェルター
Document Type and Number:
Japanese Patent JP6541135
Kind Code:
B2
Abstract:
To provide a sliding door type door structure and a shelter having this, capable of co;ing even with radioactivity exposure damage, and easy in opening-closing.SOLUTION: A shelter 100 comprises a concrete casing 20 and a concrete slab 23 provided above the casing 20, and an evacuation space 70 is formed on the inside. An opening part 31 is formed in the slab 23, and a door 10 for opening-closing this opening part 31 is arranged above the slab 23. The door 10 is movable along a pair of tracks 40 and 40 fixed to the slab 23 via a first jack 50. Packing 80 is provided in an annular shape on an undersurface of the door 10. The slab 23 and a fixing bolt 60 for linking the door 10 are also arranged in a state of being threadably attached to the slab 23. The first jack 50 is lowered in a state of closing the door 10, and a clearance existing between the door 10 and the slab 23 is sealed, and the door 10 and the slab 23 are linked by the fixing bolt 60.SELECTED DRAWING: Figure 2
Inventors:
Akihiko Yano
Application Number:
JP2017224294A
Publication Date:
July 10, 2019
Filing Date:
November 22, 2017
Export Citation:
Assignee:
Shelter Japan Co., Ltd.
International Classes:
E06B5/18; E04H1/12; E04H9/02; E04H9/12; E04H9/14
Domestic Patent References:
| JP3046426U |
Foreign References:
| US7428800 | ||||
| US20110277398 |
Attorney, Agent or Firm:
Takahiro Ozaki