JPH0334540Y2 - - Google Patents
Info
- Publication number
- JPH0334540Y2 JPH0334540Y2 JP19975886U JP19975886U JPH0334540Y2 JP H0334540 Y2 JPH0334540 Y2 JP H0334540Y2 JP 19975886 U JP19975886 U JP 19975886U JP 19975886 U JP19975886 U JP 19975886U JP H0334540 Y2 JPH0334540 Y2 JP H0334540Y2
- Authority
- JP
- Japan
- Prior art keywords
- fins
- spiral
- tube
- hollow tube
- spiral tube
- 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
Links
- 229920003023 plastic Polymers 0.000 claims description 28
- 239000004033 plastic Substances 0.000 claims description 28
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 229920001903 high density polyethylene Polymers 0.000 claims 1
- 239000004700 high-density polyethylene Substances 0.000 claims 1
- 229920001684 low density polyethylene Polymers 0.000 claims 1
- 239000004702 low-density polyethylene Substances 0.000 claims 1
- -1 polyethylene Polymers 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19975886U JPH0334540Y2 (en]) | 1986-12-26 | 1986-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19975886U JPH0334540Y2 (en]) | 1986-12-26 | 1986-12-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63104784U JPS63104784U (en]) | 1988-07-07 |
| JPH0334540Y2 true JPH0334540Y2 (en]) | 1991-07-22 |
Family
ID=31161681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19975886U Expired JPH0334540Y2 (en]) | 1986-12-26 | 1986-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0334540Y2 (en]) |
-
1986
- 1986-12-26 JP JP19975886U patent/JPH0334540Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63104784U (en]) | 1988-07-07 |
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