JP4643288B2 - 鉄鋼材防食用保護シート - Google Patents
鉄鋼材防食用保護シート Download PDFInfo
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- JP4643288B2 JP4643288B2 JP2005023683A JP2005023683A JP4643288B2 JP 4643288 B2 JP4643288 B2 JP 4643288B2 JP 2005023683 A JP2005023683 A JP 2005023683A JP 2005023683 A JP2005023683 A JP 2005023683A JP 4643288 B2 JP4643288 B2 JP 4643288B2
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- Prior art keywords
- sheet
- corrosion
- steel
- base metal
- water
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- Prevention Of Electric Corrosion (AREA)
Description
図1は本発明一実施例の直パイプに好適な鉄鋼材防食用保護シートの構成を示す斜視図である。図2は図1に示す鉄鋼材防食用保護シートを直パイプの所定箇所に巻装付設した状態を示す斜視図である。図3は本発明の他の実施例の根巻きパイプに好適な鉄鋼材防食用保護シートの構成を示す斜視図である。図4は図3に示す鉄鋼材防食用保護シートを根巻きパイプの所定箇所に巻装付設した状態を示す斜視図である。
2 吸水シート
3 外装材
4 切込線
5 円弧状区画片
6 パイプ
7 導電性接着剤
8 根巻き材
A 鉄鋼材防食用保護シート
Claims (8)
- 長手方向に伸延した棒状あるいは筒状であり且つ前記長手方向の地上部分及び地中部分に亘って配設した被防食鋼体の外周に配設し、前記被防食鋼体と一体になった鉄鋼材防食用保護シートにおいて、
前記被防食鋼体の外表面と接する位置にある導電性接着剤層であり、前記鉄鋼材防食用保護シートの最内側に在って且つ前記被防食鋼体の前記長手方向に延伸して配設した前記導電性接着剤層と、
前記導電性接着剤層の外側部に密接した且つ前記導電性接着剤層の前記長手方向の全長に亘り重ね合わせて密接したマグネシウムあるいはアルミニウム又は亜鉛のうち少なくとも一つを含む一つの卑金属材と、
前記卑金属材の外側部に被覆した且つ前記長手方向に延びた前記卑金属材の前記長手方向の全長に亘り重ね合わせて前記被覆した含水可能な吸水シートであり、前記卑金属材の前記長手方向の長さよりも長く延長してある部分を有する前記吸水シートと、
前記吸水シートの外側部に設けた外装材と
を有し、
前記導電性接着剤層と前記卑金属材と前記吸水シートと前記外装材とを順次積層した多層構造であって、前記被防食鋼体の外周に巻装した前記多層構造を成し、且つ前記多層構造が前記被防食鋼体の前記地上部分及び地中部分に亘り伸延した状態で、前記吸水シートの前記長く延長してある部分を前記卑金属材よりも地中深く埋設した構造を有することを特徴とする前記被防食鋼体と一体になった鉄鋼材防食用保護シート。
- 前記卑金属材は、前記長手方向に伸延した1つ以上の切込線を付設し、前記切込線で折り曲げ自在に連続する複数の円弧状区画片とした請求項1記載の鉄鋼材防食用保護シート。
- 前記卑金属材は、1.0mm〜1.5mm厚である請求項1又は2記載の鉄鋼材防食用保護シート。
- 前記吸水シートは、含水可能な織布及び含水可能な不織布並びに含水可能な綿状の繊維のうち少なくとも1つを含む請求項1乃至3のいずれかに記載の鉄鋼材防食用保護シート。
- 前記吸水シートは、シート全体がゾル状であると共に、調湿性能を保有している請求項1乃至3のいずれかに記載の鉄鋼材防食用保護シート。
- 前記吸水シートは、ポリエステル布である請求項1乃至4のいずれかに記載の鉄鋼材防食用保護シート。
- 前記外装材は、表面がアクリル樹脂でコーティングされたビチューメン(bitumen)系防水シートである請求項1乃至6のいずれかに記載の鉄鋼材防食用保護シート。
- 前記外装材は、その表面に適宜の色彩を施してなる請求項1乃至7のいずれかに記載の鉄鋼材防食用保護シート。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2005023683A JP4643288B2 (ja) | 2005-01-31 | 2005-01-31 | 鉄鋼材防食用保護シート |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005023683A JP4643288B2 (ja) | 2005-01-31 | 2005-01-31 | 鉄鋼材防食用保護シート |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2006207000A JP2006207000A (ja) | 2006-08-10 |
JP2006207000A5 JP2006207000A5 (ja) | 2008-09-25 |
JP4643288B2 true JP4643288B2 (ja) | 2011-03-02 |
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JP2005023683A Expired - Fee Related JP4643288B2 (ja) | 2005-01-31 | 2005-01-31 | 鉄鋼材防食用保護シート |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5947136B2 (ja) * | 2012-07-24 | 2016-07-06 | 国立大学法人九州大学 | 防食材 |
JP7333240B2 (ja) * | 2019-09-30 | 2023-08-24 | 株式会社中部プラントサービス | 鋼構築物の防食構造とその施工方法 |
JP7333241B2 (ja) * | 2019-09-30 | 2023-08-24 | 株式会社中部プラントサービス | 鋼構築物の防食構造とその施工方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03107709U (ja) * | 1990-02-22 | 1991-11-06 | ||
JP2002060983A (ja) * | 2000-08-24 | 2002-02-28 | Jitsugi Shoko Kk | 電気防食装置 |
-
2005
- 2005-01-31 JP JP2005023683A patent/JP4643288B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03107709U (ja) * | 1990-02-22 | 1991-11-06 | ||
JP2002060983A (ja) * | 2000-08-24 | 2002-02-28 | Jitsugi Shoko Kk | 電気防食装置 |
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JP2006207000A (ja) | 2006-08-10 |
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