Title:
FIRE-PROTECTIVE HEAT INSULATION TOOL
Document Type and Number:
Japanese Patent JP2019199913
Kind Code:
A
Abstract:
To provide a fire-protective heat insulation tool that is assembled in advance and only inserted into a through hole from above to enable fire-protective measures.SOLUTION: A fire-protective heat insulation tool 1 comprises a metallic base part 2, a fire-protective material 3 fitted onto the base part 2, and a lid part 4 sandwiched and fixed between the fire-protective material 3 and base part 2. The base part 2 comprises a bottom disk part 2a and a shaft part 2b stood on the bottom disk part 2a, and after a plurality of fire-protective layer parts 3a and a lid disk part 4a are inserted to the shaft part 2b, a nut 2d is engaged with a screw groove 2c of the shaft part 2b. The assembled fire-protective insulation tool 1 is inserted into a through hole connecting upper and lower stories of a building from above and fixed, so that the fire-protective insulation tool 1 can be easily made to fill the through hole, and easily removed by being lifted from the through hole.SELECTED DRAWING: Figure 1
Inventors:
KASHIWADA YUSUKE
Application Number:
JP2018094479A
Publication Date:
November 21, 2019
Filing Date:
May 16, 2018
Export Citation:
Assignee:
DIA KK
International Classes:
F16L5/00; A62C3/16; E04B1/94; F16L5/04
Domestic Patent References:
| JPH0267190U | 1990-05-21 | |||
| JPH048980A | 1992-01-13 | |||
| JP2016185198A | 2016-10-27 | |||
| JP2016065360A | 2016-04-28 | |||
| JPS60187752U | 1985-12-12 |
Foreign References:
| CN102677851A | 2012-09-19 |
Attorney, Agent or Firm:
Yasuhiko Hibiya
Yohei Hibiya
Yohei Hibiya