JP6654811B2 - 防火カバー及び区画貫通孔の防火構造 - Google Patents
防火カバー及び区画貫通孔の防火構造 Download PDFInfo
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- JP6654811B2 JP6654811B2 JP2015110389A JP2015110389A JP6654811B2 JP 6654811 B2 JP6654811 B2 JP 6654811B2 JP 2015110389 A JP2015110389 A JP 2015110389A JP 2015110389 A JP2015110389 A JP 2015110389A JP 6654811 B2 JP6654811 B2 JP 6654811B2
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- fire
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- 239000013307 optical fiber Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
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- RPGWZZNNEUHDAQ-UHFFFAOYSA-N phenylphosphine Chemical compound PC1=CC=CC=C1 RPGWZZNNEUHDAQ-UHFFFAOYSA-N 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
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- 239000004417 polycarbonate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920000582 polyisocyanurate Polymers 0.000 description 1
- 239000011495 polyisocyanurate Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
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- 230000002250 progressing effect Effects 0.000 description 1
- NSETWVJZUWGCKE-UHFFFAOYSA-N propylphosphonic acid Chemical compound CCCP(O)(O)=O NSETWVJZUWGCKE-UHFFFAOYSA-N 0.000 description 1
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- QYHFIVBSNOWOCQ-UHFFFAOYSA-N selenic acid Chemical compound O[Se](O)(=O)=O QYHFIVBSNOWOCQ-UHFFFAOYSA-N 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
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- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Building Environments (AREA)
- Installation Of Indoor Wiring (AREA)
Description
2 本体部
3 フランジ部
4 突出部
5 耐火パテ
6 凹部
7 切り込み
8 堰部
10 防火構造
11 区画体
12 貫通孔
13 管体
Claims (5)
- 建築物の区画体に形成されかつ少なくとも1本の管体が挿通される貫通孔に設置され、前記貫通孔の防火に用いられる防火カバーであって、
熱膨張性を有し、前記貫通孔に挿通される筒状の本体部と、
前記本体部の軸方向の一端に設けられ、前記本体部の外周面から外側に向かって突き出て前記区画体の外面に当接されるフランジ部と、
を備え、
前記本体部は、軸方向の一端側に、前記本体部の内周面から突き出た突出部が設けられ、前記突出部の表面で耐火パテを受け止めるように構成され、
前記突出部は、前記軸方向において前記フランジ部の表面よりも中に入り込んだ位置にあり、
前記突出部の周囲には、前記本体部の軸方向外側に向けて突き出るリング状の堰部が設けられている、
ことを特徴とする防火カバー。 - 建築物の区画体に形成されかつ少なくとも1本の管体が挿通される貫通孔に設置され、前記貫通孔の防火に用いられる防火カバーであって、
熱膨張性を有し、前記貫通孔に挿通される筒状で、かつ内周面から突き出る突出部を持たない本体部を備え、
前記本体部の軸方向の一端には、外周面から外側に向かって突き出て前記区画体の外面に当接されるフランジ部が設けられており、
前記フランジ部には、表面から突き出るリング状の堰部が設けられており、前記堰部内の前記フランジ部の表面及び前記本体部の端面で耐火パテを受け止める、
ことを特徴とする防火カバー。 - 前記本体部には、軸方向の一端から他端まで延びる切り込みが形成されている請求項1又は請求項2に記載の防火カバー。
- 少なくとも1本の管体が挿通される貫通孔が形成された建築物の区画体と、
前記貫通孔に設置される請求項1〜3のいずれかに記載の防火カバーと、
前記本体部の一端側の開口から充填される耐火パテと、
を備えた区画貫通孔の防火構造。 - 前記本体部が、前記貫通孔の全長にわたって配置されている
請求項4に記載の区画貫通孔の防火構造。
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JP2015110389A JP6654811B2 (ja) | 2015-05-29 | 2015-05-29 | 防火カバー及び区画貫通孔の防火構造 |
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Family Cites Families (4)
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JP5089338B2 (ja) * | 2007-10-31 | 2012-12-05 | 株式会社古河テクノマテリアル | 可燃性長尺体貫通部の防火処理部材及び防火処理方法 |
JP4955528B2 (ja) * | 2007-12-14 | 2012-06-20 | 未来工業株式会社 | 熱膨張性耐火具及び耐火構造 |
US8833478B2 (en) * | 2010-07-13 | 2014-09-16 | Panduit Corp. | Fire stop system |
JP5916533B2 (ja) * | 2012-06-26 | 2016-05-11 | 未来工業株式会社 | 中空壁における貫通孔の耐火構造及び充填材受け具 |
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