JPH026735U - - Google Patents
Info
- Publication number
- JPH026735U JPH026735U JP8521988U JP8521988U JPH026735U JP H026735 U JPH026735 U JP H026735U JP 8521988 U JP8521988 U JP 8521988U JP 8521988 U JP8521988 U JP 8521988U JP H026735 U JPH026735 U JP H026735U
- Authority
- JP
- Japan
- Prior art keywords
- intersection
- bonded
- longitudinal direction
- sheet
- core material
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims description 4
- 239000011162 core material Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 2
- 238000002074 melt spinning Methods 0.000 claims 2
- 229920001059 synthetic polymer Polymers 0.000 claims 2
- 238000009987 spinning Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Description
図面は本考案の実施例を示しているものであり
、第１図は排水材の部分断面斜視図、第２図は長
手方向の断面側面図、第３図は本考案排水材の製
造工程を略示した側面図、第４図は第３図の搬送
体の表面構造を例示した部分斜視図、そして第５
図は紡糸ノズルの紡糸孔を示した１部省略底面図
である。
１は細い連続線条、２は網状ベース、３は太い
連続線条、４は網状芯材、５は不織布シート、６
は排水材。
The drawings show an embodiment of the present invention; Fig. 1 is a partial cross-sectional perspective view of the drainage material, Fig. 2 is a longitudinal cross-sectional side view, and Fig. 3 shows the manufacturing process of the drainage material of the invention. 4 is a schematic side view, FIG. 4 is a partial perspective view illustrating the surface structure of the carrier shown in FIG. 3, and FIG.
The figure is a partially omitted bottom view showing the spinning holes of the spinning nozzle. 1 is a thin continuous filament, 2 is a net-like base, 3 is a thick continuous filament, 4 is a net-like core material, 5 is a nonwoven fabric sheet, 6
is a drainage material.
Claims (1)
８mmの多数の合成重合体連続線条１，１の各々が
不規則に屈曲し相互に交差しながら長手方向に延
び、かつそれぞれの交差点において接着されてな
る空隙率の大きいシート状網状ベース２の長手方
向に、溶融紡糸機から押し出された直径１．５〜
２．５mmの合成重合体連続線条３，３がそれぞれ
相接触することなく間隔をおいて不規則に屈曲し
ながらほぼ平行的に混在され、かつ上記細い連続
線条１，１との交差点において接着されてシート
状網状芯材４が形成され、この網状芯材４の表裏
面に目付２０〜２００ｇ／m2の通水性の薄い不織
布シートが貼り合わされていることを特徴とする
土木用排水材。 The diameter extruded from the melt spinning machine is 0.4~0.
A sheet-like reticular base 2 with a large porosity is made up of a large number of 8 mm continuous synthetic polymer filaments 1, 1, each of which is irregularly bent and extends in the longitudinal direction while intersecting each other, and is bonded at each intersection. In the longitudinal direction, the extruded diameter from the melt spinning machine is 1.5~
The synthetic polymer continuous filaments 3, 3 of 2.5 mm are intermingled almost parallel to each other while irregularly bent at intervals without contacting each other, and at the intersection with the thin continuous filaments 1, 1. A drainage material for civil engineering, characterized in that a sheet-like reticulated core material 4 is formed by adhesion, and water-permeable thin nonwoven fabric sheets with a basis weight of 20 to 200 g/m 2 are bonded to the front and back surfaces of this reticulated core material 4. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988085219U JPH078577Y2 (en) | 1988-06-28 | 1988-06-28 | Drainage material for civil engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988085219U JPH078577Y2 (en) | 1988-06-28 | 1988-06-28 | Drainage material for civil engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH026735U true JPH026735U (en) | 1990-01-17 |
| JPH078577Y2 JPH078577Y2 (en) | 1995-03-01 |
Family
ID=31309892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988085219U Expired - Lifetime JPH078577Y2 (en) | 1988-06-28 | 1988-06-28 | Drainage material for civil engineering |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH078577Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009500166A (en) * | 2005-07-05 | 2009-01-08 | エルテック エンヴァイアロンメンタル システムズ エルエルシー | Sediment control |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58106435U (en) * | 1982-01-14 | 1983-07-20 | 三井化学株式会社 | Civil engineering material sheet |
-
1988
- 1988-06-28 JP JP1988085219U patent/JPH078577Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58106435U (en) * | 1982-01-14 | 1983-07-20 | 三井化学株式会社 | Civil engineering material sheet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009500166A (en) * | 2005-07-05 | 2009-01-08 | エルテック エンヴァイアロンメンタル システムズ エルエルシー | Sediment control |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH078577Y2 (en) | 1995-03-01 |
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