JP4113468B2 - 暗渠排水管 - Google Patents
暗渠排水管 Download PDFInfo
- Publication number
- JP4113468B2 JP4113468B2 JP2003271356A JP2003271356A JP4113468B2 JP 4113468 B2 JP4113468 B2 JP 4113468B2 JP 2003271356 A JP2003271356 A JP 2003271356A JP 2003271356 A JP2003271356 A JP 2003271356A JP 4113468 B2 JP4113468 B2 JP 4113468B2
- Authority
- JP
- Japan
- Prior art keywords
- strand
- layer
- fused
- strands
- pipe
- 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.)
- Expired - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
- E02B11/005—Drainage conduits
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
Description
(2)(3) ストランド
(4) 外層
(5) ストランド
(6)(7)(9) 回旋部
(12)(13) 融着部
Claims (4)
- 1条又は複数条のストランドを螺旋状に巻回して形成される内層と、同じく1条又は複数条のストランドを螺旋状に巻回して形成される外層とからなる概略網目状の排水管であって、それら内層と外層のいずれか一方の層のストランドの各回旋部毎に、正規の螺旋曲線に対して部分的に管軸方向に湾曲若しくは屈曲させてなる複数の膨出部が形成され、一方の層の管軸方向に互いに隣接する回旋部の膨出部同士が、管端側から見て周方向に間隔をあけた複数箇所で管径方向若しくは管軸方向に重ねられて融着され、その融着された膨出部と他方の層のストランドとがさらに融着されていることを特徴とする暗渠排水管。
- 上記の膨出部同士の各融着部、及び、膨出部と他方の層のストランドとの各融着部は、周方向のある長さ範囲に亘って設けられている請求項1記載の暗渠排水管。
- 上記の膨出部同士の各融着部が、管端側から見て周方向の3カ所において、ほぼ等間隔で配置されている請求項1又は2記載の暗渠排水管。
- 上記の膨出部同士の各融着部が、外層において設けられている請求項1から3のいずれかに記載の暗渠排水管。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003271356A JP4113468B2 (ja) | 2003-07-07 | 2003-07-07 | 暗渠排水管 |
KR1020040052199A KR20050006044A (ko) | 2003-07-07 | 2004-07-06 | 암거 배수관 |
US10/884,950 US20050005985A1 (en) | 2003-07-07 | 2004-07-07 | Underdrainage pipe |
CNA2004100637533A CN1576467A (zh) | 2003-07-07 | 2004-07-07 | 暗沟排水管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003271356A JP4113468B2 (ja) | 2003-07-07 | 2003-07-07 | 暗渠排水管 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005030081A JP2005030081A (ja) | 2005-02-03 |
JP4113468B2 true JP4113468B2 (ja) | 2008-07-09 |
Family
ID=33562653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003271356A Expired - Fee Related JP4113468B2 (ja) | 2003-07-07 | 2003-07-07 | 暗渠排水管 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20050005985A1 (ja) |
JP (1) | JP4113468B2 (ja) |
KR (1) | KR20050006044A (ja) |
CN (1) | CN1576467A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100593189B1 (ko) * | 2005-12-30 | 2006-07-03 | (주)진영이엔씨 | 교량 보행자 통로 침투수 배수장치 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US267343A (en) * | 1882-11-14 | Andrew harbison | ||
US3445905A (en) * | 1966-08-31 | 1969-05-27 | H M Spencer Inc | Dandy roll |
US3697347A (en) * | 1967-01-23 | 1972-10-10 | Hercules Inc | Process of preparing air-pervious spot-bonded nonwoven fabrics |
US3862878A (en) * | 1970-04-02 | 1975-01-28 | Kimikazu Azuma | Method of Manufacturing Foamed Plastic Tubular Nets and Apparatus Pertinent Thereto |
US4749306A (en) * | 1986-09-05 | 1988-06-07 | Leucadia, Inc. | Formed corrugated plastic net for drainage applications |
EP0278605B1 (en) * | 1987-01-21 | 1992-09-09 | Netlon Limited | Drainage material and drainage core for a drainage system |
DE3817174C1 (ja) * | 1988-05-20 | 1989-04-06 | Uranit Gmbh, 5170 Juelich, De | |
US5460416A (en) * | 1993-08-02 | 1995-10-24 | Ameron, Inc. | Perforated fiber reinforced pipe and couplings for articulating movement |
US5712010A (en) * | 1994-04-06 | 1998-01-27 | Vitrica, S.A. De C.V. | Braided sleeving with rib strands |
-
2003
- 2003-07-07 JP JP2003271356A patent/JP4113468B2/ja not_active Expired - Fee Related
-
2004
- 2004-07-06 KR KR1020040052199A patent/KR20050006044A/ko not_active Application Discontinuation
- 2004-07-07 US US10/884,950 patent/US20050005985A1/en not_active Abandoned
- 2004-07-07 CN CNA2004100637533A patent/CN1576467A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN1576467A (zh) | 2005-02-09 |
KR20050006044A (ko) | 2005-01-15 |
JP2005030081A (ja) | 2005-02-03 |
US20050005985A1 (en) | 2005-01-13 |
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