JP2010524734A - 好ましくは拡張可能バルーン・ケーシング用の可撓性多層材料、および拡張可能ケーシングの製造方法 - Google Patents
好ましくは拡張可能バルーン・ケーシング用の可撓性多層材料、および拡張可能ケーシングの製造方法 Download PDFInfo
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Abstract
Description
12 低密度ポリエチレン(LLPPE)の中間層;
14 LDPEポリエチレン・フィルム。
Claims (21)
- 拡張可能バルーン・ケーシング、小型飛行船、エアバッグ、帆、可撓性太陽電池、可撓性アンテナ用、または他の応用例用の可撓性多層材料であって、
高い引き裂き抵抗を備えた合成物質で作られた繊維または糸の少なくとも1つの層(11、13)と、
合成物質で作られた繊維または糸から製造された前記層(11、13)に結合可能であり、基本的に加熱によって結合させることができる材料で作られている、少なくとも1つの層またはフィルム(10、12;12、14)
を特徴とする多層材料。 - 前記層(11、13)の前記繊維または糸は、超高分子ポリエチレン(UHMWPE)から製造され、2つの側部のそれぞれは、ポリエチレンまたはエチレン系層またはフィルム(10、12;12、14)によって囲まれており、加熱によって当該層またはフィルムに結合させることができることを特徴とする、請求項1に記載の多層材料。
- 前記層(11、13)の前記繊維または糸は、超高分子ポリプロピレン(UHMWPP)から製造され、2つの側部のそれぞれがポリプロピレンまたはプロピレン系層またはフィルム(10、12;12、14)によって囲まれており、加熱によって当該層またはフィルム結合させることができることを特徴とする、請求項1に記載の多層材料。
- ポリエチレン・フィルム(12)によって形成された共通の中間層を備えた2つのUHMWPE層(11、13)、またはポリプロピレンで作られた共通の中間層を備えた2つのUHMWPP層が設けられていることを特徴とする、請求項2に記載の多層材料。
- DyneemaをUHMWPE層(11、13)として使用することができ、前記一方のUHMWPE層(11)の繊維または糸は、前記もう一方のUHMWPE層(13)の繊維または糸まで横方向に延びていることを特徴とする、請求項2に記載の多層材料。
- 前記層(11、13)はそれぞれ、複数の個別の繊維または糸(13’)でそれぞれ構成された、隣り合って置かれたいくつかの繊維ストランドまたは糸(13’)から形成されていることを特徴とする、前述の請求項1から5のいずれかに記載の多層材料。
- それぞれマイクロメートル範囲の直径を有する前記層(11、13)の前記糸(13’)は、互いの上に位置するのではなく、加熱後に、ほぼ全ての個別の糸(13’)が前記それぞれのフィルム(12、14)に両側部で結合されるように、互いに対してほぼ一列になるように配置されていることを特徴とする、前述の請求項1から6のいずれかに記載の多層材料。
- 前記バルーン・ケーシングの内部を形成する前記第1の層(10)は、Dyneema繊維または糸で作られた前記一方のUHMWPE層(11)が塗布されたエチレン・ビニル・アルコール・フィルム(EVOH)の形をしており、このUHMWPE層(11)に対して、低密度ポリエチレン(LDPE)で作られた前記中間層またはフィルム(12)が、後者に対して、Dyneema繊維または糸で作られた前記もう一方のUHMWPE層(13)が塗布されており、後者は外側がアルミニウムでコーティングされたポリエチレン・フィルム(14)によって被覆されていることを特徴とする、特にバルーンまたは小型飛行船ケーシング用の、請求項2に記載の多層材料。
- 追加のテフロン(登録商標)層(FEP)は、加熱によって、好ましくはアクリル接着剤966を使用して、前記層またはフィルム(10〜14)の全ての結合後に、外側がアルミニウムでコーティングされた前記ポリエチレン箔(14)に貼り付けられていることを特徴とする、請求項8に記載の多層材料。
- 別の層またはフィルムが塗布された前記第1の層は、ナノ範囲の粉末コーティングを備えている、前記エアバッグ・ケーシングの内側に対応する側がアルミニウムでコーティングされたポリエチレン・フィルムによって形成されていることを特徴とする、特にエアバッグ・ケーシング用の、請求項1から3のいずれかに記載の多層材料。
- 前記1つまたは複数のUHMWPEおよび/またはUHMWPP層の繊維または糸(31)は、互いの上部に配置され、互いに結合され、帆表面(30)を形成し、帆を取り付ける手段として使用することができる前記材料層から突出することを特徴とする、帆に設けられた、請求項1から3のいずれかに記載の多層材料。
- 前記UHMWPE層を囲んでいる前記層の1つは、ポリエチレン(PE)でコーティングされたナイロン66から作られていることを特徴とする、請求項11に記載の多層材料。
- 互いの上部に置かれた前記層または箔(10〜14)は、接触圧力を加えて約60〜90℃の温度に加熱することによって互いに結合させることができることを特徴とする、請求項1から12のいずれかに記載の多層材料。
- 繊維または糸の前記層は、異なる合成材料、例えばUHMWPEおよびUHMWPPで構成されており、それによって繊維または糸で作られた前記層の前記一方の側部では、異なる材料の層またはフィルムは、加熱によってもう一方の側部の前記層と反対側に結合させることができることを特徴とする、請求項1に記載の多層構造。
- 繊維または糸で作られた前記層13に結合する際に既に接着がそれによって生じさせられたポリエチレン・フィルムとして伸縮性フィルムを使用することができることを特徴とする、請求項1から14のいずれかに記載の多層材料。
- 請求項1から9のいずれかに記載の可撓性多層材料で作られた、拡張可能ケーシング、特にバルーン、小型飛行船またはエアバッグ・ケーシングを製造する方法であって、
ポリエチレンまたはポリプロピレンで作られた第1の層またはフィルムは、ポリエチレンまたはポリプロピレンと融合することができない材料、好ましくは織物で作られている所望のバルーン、小型飛行船またはエアバッグの形に膨張された金型ケーシング(21)の上で丸められ、その後、別の層またはフィルムが前記ケーシング(21)の上で順に個別に巻かれ、その後、前記層またはフィルムは加熱ローラ(24)により加熱され、このようにして、前記金型ケーシング(21)を囲んでいる前記バルーン、小型飛行船またはエアバッグ・ケーシングを形成するように互いに結合され、その後、前記金型ケーシング(21)は空にされ、完成されたケーシングから引き出されることを特徴とする方法。 - 前記層またはフィルムは、コイル形状で前記膨張された金型ケーシング(12)の上で巻かれて丸められ、重なり合っていることを特徴とする、請求項16に記載の方法。
- 前記層またはフィルムは、前記金型ケーシング(21)に沿って移動されるローラ(22)によりその軸(a)周りで回転する前記金型ケーシング(21)の上で丸められ、前記加熱ローラ(24)はまた、前記層またはフィルムを加熱する場合に、前記回転している金型ケーシング(21)に沿って移動されることを特徴とする、請求項17に記載の方法。
- 既に前記第1のフィルムを巻いた後に、前記重なり合っているフィルム部分は、加熱によって気密に互いに結合されていることを特徴とする、請求項16から18のいずれかに記載の方法。
- 2つのUHMWPEまたはDyneema層を備えた材料では、互いに対して横方向に延びる両方の層の前記繊維または糸は、前記金型ケーシング(21)の前記回転軸(a)に対してある角度で巻かれているまたは丸められており、前記可動ローラ(22)の移動方向に対してある角度で前記金型ケーシングの前記回転軸(a)を配置することが可能であることを特徴とする、請求項18または19に記載の方法。
- 前記層またはフィルムは、加熱後すぐに冷却されることを特徴とする、請求項16から20のいずれかに記載の方法。
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