JP2019535970A - 伸縮式波形ホース及びその製造方法 - Google Patents
伸縮式波形ホース及びその製造方法 Download PDFInfo
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Abstract
Description
弾性伸縮可能な第1のポリマー材料から成る第1の層1と、
第1の内側層1に巻き付けられた網状又は編組状の補強材2と、
弾性伸縮可能な第2のポリマー材料から成り、補強材2を被覆する第2の安定化層3と、
3つの層1、2、及び3が波形加工ステップを経て、弾性波形管状体4を取得し、
波形管状体4を被覆する第3の被覆層5と、を備える。
Claims (12)
- 伸縮式波形ホースであって、
弾性伸縮可能な第1のポリマー材料から成る第1の支持層(1)と、
前記第1の支持層(1)に巻き付けられた補強材(2)と、
前記第1の支持層(1)と共に単式管状体(4)を画定するため、弾性伸縮可能な第2のポリマー材料から成り、前記補強材(2)を被覆する第2の安定化層(3)と、
を備え、
前記単式管状体(4)が波形加工され、前記波形単式管状体(4)を被覆するため、前記第2の安定化層(3)に配置された第3の被覆層(5)が更に設けられることを特徴とする、ホース。 - 前記補強材(2)が網状、編組状、又は螺旋状に巻き付けられた、請求項1に記載のホース。
- 前記補強材(2)が、単式又は複式の一連の第1のヤーンによって形成される、請求項2に記載のホース。
- 前記波形単式管状体(4)が複数の隆起(6)を有し、前記第3の被覆層(5)が前記隆起(6)と堅牢に接続されている、請求項1〜3のいずれか一項に記載のホース。
- 前記第3の被覆層(5)が、伸縮後に波形加工されないように、前記波形管状体(4)よりも厚い、請求項4に記載のホース。
- 伸縮式波形ホース(10)の製造方法であって、
a)弾性伸縮可能な第1のポリマー材料から成る第1の層(1)を作製するステップと、
b)前記内側層(1)に補強材(2)を配置するステップと、
c)弾性伸縮可能な第2のポリマー材料から成り、前記補強材(2)を被覆して、前記第1の層(1)と共に単式管状体(4)を画定する第2の安定化層(3)を配置するステップと、
d)前記第2の層(3)の上に前記単式管状体(4)を被覆する第3の被覆層(5)を貼付するステップと、
e)前記単式管状体(4)を波形加工するステップと、
を備える方法。 - 前記波形加工ステップ(e)が、前記第3の層(5)の貼付ステップd)のすぐ上流で実行される、請求項6に記載の方法。
- 前記波形加工ステップe)が、前記第1の内側層(1)に、所定ピッチで非弾性糸状プラスチックコイルを貼付するステップe’)を含む、請求項6又は7に記載の方法。
- 前記第1の層(1)を作製するステップa)が、前進スピンドル(101)のヘッドの近傍に前記第1のポリマー材料を押出成形するステップa’)と、所定の速度及びピッチの併進運動又は回転併進運動で前記第1の層(1)を前進させるステップa”)とを含み、前記前進が前記スピンドル(101)によって促進される、請求項6に記載の方法。
- 前記波形加工ステップe)では、前記第1の層(1)が、第1の長手部分では第1のピッチで、及び第1の部分の下流の第2の長手部分では第1のピッチよりも小さい第2のピッチで長手方向に前進して、前記第1の部分を放射方向に拡張させ、前記第1の部分が、前記波形隆起(6)を生成するための非弾性要素によって放射方向に局所的に拘束される、請求項9に記載の方法。
- 前記波形加工ステップe)が、少なくとも前記第1の層(1)を冷却するステップf)を含む、請求項10に記載の方法。
- 前記冷却ステップf)が、前記プラスチック糸状コイルを貼付するステップe)の下流で実行される、請求項11に記載の方法。
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PCT/IB2017/056724 WO2018078597A1 (en) | 2016-10-28 | 2017-10-30 | Extensible corrugated tube and respective method for manufacturing |
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WO2016098063A1 (en) * | 2014-12-18 | 2016-06-23 | Fitt S.P.A. | Extensible flexible hose, and method and production line for continuously manufacturing thereof |
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JPH10122448A (ja) * | 1996-10-15 | 1998-05-15 | Toyox Co Ltd | 螺旋補強ホース及びその製造方法 |
WO2016098063A1 (en) * | 2014-12-18 | 2016-06-23 | Fitt S.P.A. | Extensible flexible hose, and method and production line for continuously manufacturing thereof |
WO2016128940A1 (en) * | 2015-02-12 | 2016-08-18 | Den Di De Nora Paolo | Extensible hose |
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RU2019116336A3 (ja) | 2021-02-01 |
CN110114605B (zh) | 2022-02-01 |
EP3596376A1 (en) | 2020-01-22 |
CN110114605A (zh) | 2019-08-09 |
US11034109B2 (en) | 2021-06-15 |
EP3596376B1 (en) | 2022-05-04 |
US20200047439A1 (en) | 2020-02-13 |
RU2019116336A (ru) | 2020-11-30 |
WO2018078597A1 (en) | 2018-05-03 |
JP7040797B2 (ja) | 2022-03-23 |
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