JP4745364B2 - スリップ防止型カラー鉄蓋 - Google Patents
スリップ防止型カラー鉄蓋 Download PDFInfo
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- JP4745364B2 JP4745364B2 JP2008099643A JP2008099643A JP4745364B2 JP 4745364 B2 JP4745364 B2 JP 4745364B2 JP 2008099643 A JP2008099643 A JP 2008099643A JP 2008099643 A JP2008099643 A JP 2008099643A JP 4745364 B2 JP4745364 B2 JP 4745364B2
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- colored resin
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 104
- 229910052742 iron Inorganic materials 0.000 title claims description 52
- 229920005989 resin Polymers 0.000 claims description 66
- 239000011347 resin Substances 0.000 claims description 66
- 230000000630 rising effect Effects 0.000 claims description 8
- 230000000007 visual effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 17
- 230000002265 prevention Effects 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002845 discoloration Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Description
これに対して、視認性を向上させる必要がある消火栓用鉄蓋には、凹部にエポキシ樹脂などから成る着色樹脂を充填した、カラー鉄蓋と呼ばれるものがあるが、着色樹脂の充填により凹部の深さが減少し、スリップ防止効果が低下するという問題がある。通常の例では、着色樹脂を4mmほど充填するため、約6mmの高低差を有する凹部における段差が2mmしか残らないことになり、3mm以上の段差が必要とされているスリップ防止効果の条件を満たさないのである。
11 蓋本体
12 蓋表面
13 凹凸構造
14 凹部
15 凸部
16 第1の凹部
17 第2の凹部
18 着色樹脂
19 構造部分
20 例2のカラー鉄蓋
21 蓋本体
22 蓋表面
23 凹凸構造
24 凹部
25 凸部
26 第1の凸部
27 第2の凸部
28 着色樹脂
29 構造部分
30 例3のカラー鉄蓋
31 蓋本体
32 蓋表面
33 凹凸構造
34 凹部
35 凸部
38 着色樹脂
39 構造部分
Claims (3)
- 蓋表面に滑り止め用の凹凸構造を有し、凹凸構造の凹部に着色樹脂を充填したカラー鉄蓋であって、
凹凸構造の凹部から立ち上がる凸部に、着色樹脂の充填深さの目視判別の目安となる構造部分を設け、
着色樹脂が凹部に充填され樹脂表面が上記構造部分の位置と一致したときに、着色樹脂の必要な充填量に達したことを目視できるようにするとともに、
凹部の深さを100とした場合に、構造部分の位置を上記深さの35〜75%に設定した
スリップ防止型カラー鉄蓋。 - 構造部分は、凹部の底から立ち上がる凸部の壁面に設けられた角ないし上記壁面又は上面に設けられた段差である、請求項1記載のスリップ防止型カラー鉄蓋。
- 凹部の最大深さが10mmである場合、凸部の間隔が20〜40mmである請求項1記載のスリップ防止型カラー鉄蓋。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008099643A JP4745364B2 (ja) | 2008-04-07 | 2008-04-07 | スリップ防止型カラー鉄蓋 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008099643A JP4745364B2 (ja) | 2008-04-07 | 2008-04-07 | スリップ防止型カラー鉄蓋 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009249925A JP2009249925A (ja) | 2009-10-29 |
JP4745364B2 true JP4745364B2 (ja) | 2011-08-10 |
Family
ID=41310882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008099643A Active JP4745364B2 (ja) | 2008-04-07 | 2008-04-07 | スリップ防止型カラー鉄蓋 |
Country Status (1)
Country | Link |
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JP (1) | JP4745364B2 (ja) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS639378A (ja) * | 1986-06-30 | 1988-01-16 | Fuji Photo Film Co Ltd | 磁気記録装置 |
JP4167619B2 (ja) * | 2004-04-08 | 2008-10-15 | 長島鋳物株式会社 | 地下構造物用カラー鉄蓋 |
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2008
- 2008-04-07 JP JP2008099643A patent/JP4745364B2/ja active Active
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Publication number | Publication date |
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JP2009249925A (ja) | 2009-10-29 |
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