JPS62138025U - - Google Patents
Info
- Publication number
- JPS62138025U JPS62138025U JP2608486U JP2608486U JPS62138025U JP S62138025 U JPS62138025 U JP S62138025U JP 2608486 U JP2608486 U JP 2608486U JP 2608486 U JP2608486 U JP 2608486U JP S62138025 U JPS62138025 U JP S62138025U
- Authority
- JP
- Japan
- Prior art keywords
- elongation
- waterproof
- strength
- waterproof fabric
- civil engineering
- 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.)
- Pending
Links
- 239000004744 fabric Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims 2
Landscapes
- Laminated Bodies (AREA)
Description
第１図は本考案の土木用遮水シートの一例を示
す平面図であり、第２図はその断面図である。
図中、１：土木用遮水シート、２：布帛、３：
たて糸、４：よこ糸。
FIG. 1 is a plan view showing an example of a water-shielding sheet for civil engineering according to the present invention, and FIG. 2 is a sectional view thereof. In the figure, 1: Waterproof sheet for civil engineering, 2: Fabric, 3:
Warp, 4: Weft.
Claims (1)
帛が、弾性ポリマーからなる防水層を有する防水
布であつて、該防水布の少なくとも一方向の切断
伸度が５０％以上、下記強伸度指数ＴＬが７５０
以上であることを特徴とする土木用遮水シート。 ＴＬ＝ＴＢ・ＬＢ 〔ただし、ＴＢは試料巾３cm、試料長２０cm、
引張速度２０cm／ｍｉｎ．の定速伸長条件で引張
強伸度試験をした時の切断強力（Kg／cm）であり
、ＬＢは切断時伸度（％）である。〕 (2) 弾性ポリマーが、防水布を構成する糸条の
少なくとも一方向の切断伸度と同等以上の伸度を
有するものである実用新案登録請求の範囲第(1)
項記載の土木用遮水シート。[Claims for Utility Model Registration] (1) A waterproof fabric having threads in the warp direction and the weft direction and a waterproof layer made of an elastic polymer, and the cut elongation of the waterproof fabric in at least one direction. is 50% or more, and the strength and elongation index TL below is 750.
A water-blocking sheet for civil engineering, characterized by the above. TL=TB・LB [However, TB is sample width 3cm, sample length 20cm,
Tensile speed 20cm/min. It is the cutting strength (Kg/cm) when a tensile strength and elongation test was performed under constant speed elongation conditions, and LB is the elongation at break (%). (2) Utility model registration claim No. (1) in which the elastic polymer has an elongation equal to or higher than the breaking elongation in at least one direction of the threads constituting the waterproof fabric.
Waterproof sheet for civil engineering as described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2608486U JPS62138025U (en) | 1986-02-25 | 1986-02-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2608486U JPS62138025U (en) | 1986-02-25 | 1986-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62138025U true JPS62138025U (en) | 1987-08-31 |
Family
ID=30826832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2608486U Pending JPS62138025U (en) | 1986-02-25 | 1986-02-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62138025U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56159164A (en) * | 1980-05-13 | 1981-12-08 | Hiraoka Shokusen | Composite cloth silk having excellent tear strength |
| JPS58134737A (en) * | 1982-11-18 | 1983-08-11 | ヤマデ技研株式会社 | Manufacture of waterproof sheet for construction |
-
1986
- 1986-02-25 JP JP2608486U patent/JPS62138025U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56159164A (en) * | 1980-05-13 | 1981-12-08 | Hiraoka Shokusen | Composite cloth silk having excellent tear strength |
| JPS58134737A (en) * | 1982-11-18 | 1983-08-11 | ヤマデ技研株式会社 | Manufacture of waterproof sheet for construction |
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