JPH0484780U - - Google Patents
Info
- Publication number
- JPH0484780U JPH0484780U JP12805790U JP12805790U JPH0484780U JP H0484780 U JPH0484780 U JP H0484780U JP 12805790 U JP12805790 U JP 12805790U JP 12805790 U JP12805790 U JP 12805790U JP H0484780 U JPH0484780 U JP H0484780U
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- layer
- rubber tube
- squeeze
- pressure pump
- 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
- 239000000835 fiber Substances 0.000 claims 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims 1
- 239000004760 aramid Substances 0.000 claims 1
- 229920003235 aromatic polyamide Polymers 0.000 claims 1
- 239000004917 carbon fiber Substances 0.000 claims 1
- 239000012783 reinforcing fiber Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Description
図面は圧送ユニツトの作動条件の説明用概要図
である。
１……ゴムチユーブ、２……ゴムローラー、３
……ゴムパツド、ＩＬ……生コンクリートの注入
口、ＯＬ……生コンクリートの吐出口。
The drawing is a schematic diagram for explaining the operating conditions of the pumping unit. 1...Rubber tube, 2...Rubber roller, 3
...Rubber pad, IL...Ready concrete injection port, OL...Ready concrete discharge port.
Claims (1)
される内層ゴムと補強繊維層および外層ゴムの３
層構造を有する円筒状のゴムチユーブにおいて、
その外層ゴムの全長または一部に２０μ以下の可
及的細い芳香族系ポリアミド繊維または炭素繊維
を少なくとも約１０mm〜２５mm長の範囲の繊維を
５０％以上含有する短繊維を、外層ゴムの配合組
成に重量比で1/100〜8/100の範囲内において埋設
してゴムチユーブの外層ゴムに長手方向に配列す
るように形成した短繊維の配列構造を特徴とする
スクイーズ式圧送ポンプ用ゴムチユーブ。 Three layers of inner rubber, reinforcing fiber layer, and outer rubber layer are set in the pressure feeding unit of a squeeze-type pressure pump.
In a cylindrical rubber tube with a layered structure,
The composition of the outer layer rubber is such that the entire length or part of the outer layer rubber contains short fibers containing 50% or more of aromatic polyamide fibers or carbon fibers with a length of at least about 10 mm to 25 mm. 1. A rubber tube for a squeeze-type pressure pump, characterized by an array structure of short fibers embedded in the rubber tube at a weight ratio of 1/100 to 8/100 and arranged in the longitudinal direction in the outer rubber layer of the rubber tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990128057U JPH0734218Y2 (en) | 1990-11-29 | 1990-11-29 | Rubber tube for squeeze type pressure pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990128057U JPH0734218Y2 (en) | 1990-11-29 | 1990-11-29 | Rubber tube for squeeze type pressure pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0484780U true JPH0484780U (en) | 1992-07-23 |
| JPH0734218Y2 JPH0734218Y2 (en) | 1995-08-02 |
Family
ID=31875534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990128057U Expired - Lifetime JPH0734218Y2 (en) | 1990-11-29 | 1990-11-29 | Rubber tube for squeeze type pressure pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0734218Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6280088U (en) * | 1985-11-08 | 1987-05-22 | ||
| JPH01188788A (en) * | 1988-01-20 | 1989-07-28 | Toyoda Gosei Co Ltd | Manufacture for composite rubber hose |
| JPH0216138A (en) * | 1988-07-05 | 1990-01-19 | Ube Ind Ltd | Rubber composition for hose |
-
1990
- 1990-11-29 JP JP1990128057U patent/JPH0734218Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6280088U (en) * | 1985-11-08 | 1987-05-22 | ||
| JPH01188788A (en) * | 1988-01-20 | 1989-07-28 | Toyoda Gosei Co Ltd | Manufacture for composite rubber hose |
| JPH0216138A (en) * | 1988-07-05 | 1990-01-19 | Ube Ind Ltd | Rubber composition for hose |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0734218Y2 (en) | 1995-08-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |