JP6910587B2 - 管継手 - Google Patents
管継手 Download PDFInfo
- Publication number
- JP6910587B2 JP6910587B2 JP2017080418A JP2017080418A JP6910587B2 JP 6910587 B2 JP6910587 B2 JP 6910587B2 JP 2017080418 A JP2017080418 A JP 2017080418A JP 2017080418 A JP2017080418 A JP 2017080418A JP 6910587 B2 JP6910587 B2 JP 6910587B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe joint
- water expansion
- expansion material
- peripheral surface
- tightened
- 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.)
- Active
Links
- 239000000463 material Substances 0.000 claims description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 66
- 230000002093 peripheral effect Effects 0.000 claims description 42
- 229920001971 elastomer Polymers 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000008961 swelling Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 11
- 230000037431 insertion Effects 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 210000002310 elbow joint Anatomy 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
Images
Landscapes
- Joints With Sleeves (AREA)
- Joints That Cut Off Fluids, And Hose Joints (AREA)
Description
11…管継手
12…接続部
14…緩衝部
21…水膨張材
22…凹溝部
23…リブ
24…被締め付け部
25…締め付けバンド
Claims (7)
- 接続される管体の端部に外嵌する接続部を端部に備えた管継手であって、
前記接続部の内周面における軸方向の一部に、水分を吸収すると膨張する水膨張材を備えるとともに、
前記接続部の外周面における前記水膨張材を軸方向で挟む離間位置に、締め付けバンドが嵌まり前記管体に対して押し付けられる嵌合溝からなる被締め付け部が形成された
管継手。 - 軸方向に並ぶ前記水膨張材を備えた位置と前記被締め付け部との間に間隔が設けられた
請求項1に記載の管継手。 - 前記水膨張材が備えられる部位に凹溝部が形成され、
前記凹溝部に前記水膨張材が埋設された
請求項1または請求項2に記載の管継手。 - 前記水膨張材の膨張により変形可能なゴム製である
請求項1から請求項3のうちいずれか一項に記載の管継手。 - 前記接続部の内周面における当該管継手の軸方向中間部側の端に、接続する前記管体の端面が突き当たるリブが形成された
請求項1から請求項4のうちいずれか一項に記載の管継手。 - 前記被締め付け部が別体の締め付けバンドを嵌める前記嵌合溝で構成された
請求項1から請求項5のうちいずれか一項に記載の管継手。 - 前記接続部における当該管継手の軸方向中間部側の隣接位置に、断面形状において連続した山部と谷部を有し、伸長、圧縮及び偏芯の変形が可能な緩衝部が形成された
請求項1から請求項6のうちいずれか一項に記載の管継手。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017080418A JP6910587B2 (ja) | 2017-04-14 | 2017-04-14 | 管継手 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017080418A JP6910587B2 (ja) | 2017-04-14 | 2017-04-14 | 管継手 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018179162A JP2018179162A (ja) | 2018-11-15 |
JP6910587B2 true JP6910587B2 (ja) | 2021-07-28 |
Family
ID=64281679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017080418A Active JP6910587B2 (ja) | 2017-04-14 | 2017-04-14 | 管継手 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6910587B2 (ja) |
-
2017
- 2017-04-14 JP JP2017080418A patent/JP6910587B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2018179162A (ja) | 2018-11-15 |
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