JP4666410B2 - 高張力鋼グレーチング - Google Patents
高張力鋼グレーチング Download PDFInfo
- Publication number
- JP4666410B2 JP4666410B2 JP2009022431A JP2009022431A JP4666410B2 JP 4666410 B2 JP4666410 B2 JP 4666410B2 JP 2009022431 A JP2009022431 A JP 2009022431A JP 2009022431 A JP2009022431 A JP 2009022431A JP 4666410 B2 JP4666410 B2 JP 4666410B2
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- JP
- Japan
- Prior art keywords
- grating
- bar
- bearing bar
- steel
- strength
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims description 92
- 239000010959 steel Substances 0.000 title claims description 92
- 238000003466 welding Methods 0.000 claims description 14
- 229910000746 Structural steel Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910000797 Ultra-high-strength steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- Sewage (AREA)
Description
2、2A クロスバー
3、3A エンドバー
3a 垂直部
3b 受け部
3c 支持部
5、5A、5B 高張力鋼グレーチング
d クロスバーの直径
tb ベアリングバーの板厚
te エンドバーの板厚
U U字溝
UA 側溝
Ua U字溝上面
Ub グレーチング受部
V 円形側溝
Va 開口
W 格子窓
Claims (2)
- 道路の側溝などの蓋として用いられ、矩形断面のベアリングバーを立てた状態で平行に並べ、突き合わせ抵抗溶接により、前記ベアリングバーの上端側をクロスバーで前記クロスバーが前記ベアリングバーの上端面から突出しない状態で連結して格子窓を形成し、前記ベアリングバーの両端部をエンドバーで連結したグレーチングであって、
前記ベアリングバーのみについて、高張力鋼鋼板を素材とし、前記クロスバーと前記エンドバーの素材を一般構造用鋼としたことを特徴とする高張力鋼グレーチング。 - 高張力鋼を素材とするベアリングバーの板厚が一般構造用圧延鋼材を用いた場合の最小板厚より小さい1.6mm以上3.0mmより小さい場合に、クロスバーの直径を、その板厚に対して突き合わせ抵抗溶接を好適に行うために適当とされた直径である3mmより大きい、4mm以上5mm以下の直径とすることを特徴とする請求項1記載の高張力鋼グレーチング。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009022431A JP4666410B2 (ja) | 2009-02-03 | 2009-02-03 | 高張力鋼グレーチング |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009022431A JP4666410B2 (ja) | 2009-02-03 | 2009-02-03 | 高張力鋼グレーチング |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008223002A Division JP4666404B2 (ja) | 2008-09-01 | 2008-09-01 | 高張力鋼グレーチング |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010059771A JP2010059771A (ja) | 2010-03-18 |
JP4666410B2 true JP4666410B2 (ja) | 2011-04-06 |
Family
ID=42186857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009022431A Active JP4666410B2 (ja) | 2009-02-03 | 2009-02-03 | 高張力鋼グレーチング |
Country Status (1)
Country | Link |
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JP (1) | JP4666410B2 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5129625Y2 (ja) * | 1971-10-13 | 1976-07-26 | ||
JPH0333439U (ja) * | 1989-08-11 | 1991-04-02 | ||
JPH08252601A (ja) * | 1995-03-15 | 1996-10-01 | Nippon Kinzoku Co Ltd | 構造用部材及びその製造方法 |
JP2002356760A (ja) * | 2001-03-30 | 2002-12-13 | Nisshin Steel Co Ltd | 耐食性に優れた土木用資材および土木用部材 |
JP2009057750A (ja) * | 2007-08-31 | 2009-03-19 | Takara Kizai:Kk | 高張力鋼グレーチング |
-
2009
- 2009-02-03 JP JP2009022431A patent/JP4666410B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5129625Y2 (ja) * | 1971-10-13 | 1976-07-26 | ||
JPH0333439U (ja) * | 1989-08-11 | 1991-04-02 | ||
JPH08252601A (ja) * | 1995-03-15 | 1996-10-01 | Nippon Kinzoku Co Ltd | 構造用部材及びその製造方法 |
JP2002356760A (ja) * | 2001-03-30 | 2002-12-13 | Nisshin Steel Co Ltd | 耐食性に優れた土木用資材および土木用部材 |
JP2009057750A (ja) * | 2007-08-31 | 2009-03-19 | Takara Kizai:Kk | 高張力鋼グレーチング |
Also Published As
Publication number | Publication date |
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JP2010059771A (ja) | 2010-03-18 |
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