JP2017207371A - 放射線遮蔽体及び放射線遮蔽ブロック - Google Patents
放射線遮蔽体及び放射線遮蔽ブロック Download PDFInfo
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- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 33
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- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 5
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- 229910052804 chromium Inorganic materials 0.000 description 2
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- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
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- 239000013078 crystal Substances 0.000 description 2
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- 229910052733 gallium Inorganic materials 0.000 description 2
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
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- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
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- Building Environments (AREA)
Abstract
Description
12、12A、12B、12C、12D、12E、12F、12G、12H、12I、12J、12K 放射線遮蔽ブロック
18、22、76 凸部
20、24、78 凹部
26、28、68 目地部材
Claims (5)
- 隣接して配置された複数の放射線遮蔽ブロックと、
隣接する一方の前記放射線遮蔽ブロックの端面に形成され先端へ向かって幅狭となる凸部と、
隣接する他方の前記放射線遮蔽ブロックの端面に形成され、該放射線遮蔽ブロックの内側へ向かって幅狭となり前記凸部と係合する凹部と、
を有する放射線遮蔽体。 - 隣接する前記放射線遮蔽ブロック間の目地に、前記放射線遮蔽ブロックの比重以上の比重を有する目地部材が設けられている請求項1に記載の放射線遮蔽体。
- 前記目地部材は、前記放射線遮蔽ブロックの端面を覆うように前記凸部に沿って設けられた、断面がハット形状の金属製プレートである請求項2に記載の放射線遮蔽体。
- 隣接して複数配置され、放射線遮蔽体を形成する放射線遮蔽ブロックにおいて、
先端へ向かって幅狭となるように端面に形成され、隣接するブロックの端面に形成され該ブロックの内側へ向かって幅狭となる凹部と係合する凸部を有する放射線遮蔽ブロック。 - 隣接して複数配置され、放射線遮蔽体を形成する放射線遮蔽ブロックにおいて、
内側へ向かって幅狭となるように端面に形成され、隣接するブロックの端面に先端へ向かって幅狭となるように形成された凸部と係合する凹部を有する放射線遮蔽ブロック。
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JP2016099896A JP6820669B2 (ja) | 2016-05-18 | 2016-05-18 | 放射線遮蔽体 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110198591A (zh) * | 2018-10-26 | 2019-09-03 | 新瑞阳光粒子医疗装备(无锡)有限公司 | 一种屏蔽装置及粒子加速器 |
JP2019184547A (ja) * | 2018-04-17 | 2019-10-24 | 株式会社竹中工務店 | 遮蔽壁 |
CN112466482A (zh) * | 2020-11-26 | 2021-03-09 | 中广核研究院有限公司 | 一种反应堆堆坑堵缝屏蔽装置 |
JP7231166B1 (ja) | 2021-09-10 | 2023-03-01 | 明和興業ホールディングス株式会社 | 遮蔽体の製造方法 |
JP7399530B1 (ja) | 2023-08-18 | 2023-12-18 | 株式会社シェルタージャパン | 放射線遮蔽構造 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5492300U (ja) * | 1977-12-13 | 1979-06-29 | ||
JPS55167200U (ja) * | 1979-05-19 | 1980-12-01 | ||
JPS58110409U (ja) * | 1981-08-06 | 1983-07-27 | 小林ブロツク工業株式会社 | 焼成ブロツク |
JPS60162608U (ja) * | 1984-04-05 | 1985-10-29 | 福間 隆夫 | 建築または構築用ブロツク |
JPS6191599A (ja) * | 1984-10-12 | 1986-05-09 | 日本原子力事業株式会社 | 放射線遮蔽ブロツク |
JP3006416U (ja) * | 1994-06-15 | 1995-01-24 | 繁 松山 | 建材用ブロック |
US5633508A (en) * | 1995-10-12 | 1997-05-27 | Cold Spring Granite Company | Secondary shielding structure |
-
2016
- 2016-05-18 JP JP2016099896A patent/JP6820669B2/ja active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5492300U (ja) * | 1977-12-13 | 1979-06-29 | ||
JPS55167200U (ja) * | 1979-05-19 | 1980-12-01 | ||
JPS58110409U (ja) * | 1981-08-06 | 1983-07-27 | 小林ブロツク工業株式会社 | 焼成ブロツク |
JPS60162608U (ja) * | 1984-04-05 | 1985-10-29 | 福間 隆夫 | 建築または構築用ブロツク |
JPS6191599A (ja) * | 1984-10-12 | 1986-05-09 | 日本原子力事業株式会社 | 放射線遮蔽ブロツク |
JP3006416U (ja) * | 1994-06-15 | 1995-01-24 | 繁 松山 | 建材用ブロック |
US5633508A (en) * | 1995-10-12 | 1997-05-27 | Cold Spring Granite Company | Secondary shielding structure |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019184547A (ja) * | 2018-04-17 | 2019-10-24 | 株式会社竹中工務店 | 遮蔽壁 |
JP7128017B2 (ja) | 2018-04-17 | 2022-08-30 | 株式会社竹中工務店 | 遮蔽壁 |
CN110198591A (zh) * | 2018-10-26 | 2019-09-03 | 新瑞阳光粒子医疗装备(无锡)有限公司 | 一种屏蔽装置及粒子加速器 |
CN112466482A (zh) * | 2020-11-26 | 2021-03-09 | 中广核研究院有限公司 | 一种反应堆堆坑堵缝屏蔽装置 |
CN112466482B (zh) * | 2020-11-26 | 2024-03-01 | 中广核研究院有限公司 | 一种反应堆堆坑堵缝屏蔽装置 |
JP7231166B1 (ja) | 2021-09-10 | 2023-03-01 | 明和興業ホールディングス株式会社 | 遮蔽体の製造方法 |
JP2023040798A (ja) * | 2021-09-10 | 2023-03-23 | 明和興業ホールディングス株式会社 | 遮蔽体の製造方法 |
JP7399530B1 (ja) | 2023-08-18 | 2023-12-18 | 株式会社シェルタージャパン | 放射線遮蔽構造 |
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