JP4398372B2 - 導管及びその形成方法 - Google Patents
導管及びその形成方法 Download PDFInfo
- Publication number
- JP4398372B2 JP4398372B2 JP2004535295A JP2004535295A JP4398372B2 JP 4398372 B2 JP4398372 B2 JP 4398372B2 JP 2004535295 A JP2004535295 A JP 2004535295A JP 2004535295 A JP2004535295 A JP 2004535295A JP 4398372 B2 JP4398372 B2 JP 4398372B2
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- Prior art keywords
- ribbon
- conduit
- crease
- film
- folded
- Prior art date
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/151—Coating hollow articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/19—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their edges
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/007—Forming single grooves or ribs, e.g. tear lines, weak spots
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/72—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by combined operations or combined techniques, e.g. welding and stitching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
- B29C66/81421—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
- B29C66/81423—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being concave
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/81457—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a block or layer of deformable material, e.g. sponge, foam, rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/0011—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for shaping plates or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/18—Pleated or corrugated hoses
Description
薄いポリマーのリボンを準備するステップと、
少なくとも1つの導体を、該リボンに隣接して、該リボンとほぼ平行に位置決めするステップと、
該リボンを、該少なくとも1つの導体が折り曲げ部に隣接し、該折り曲げ部の中に封入されるように、該リボンと平行にほぼ半分に折り曲げるステップと、
該少なくとも1つの導体を永久的に封入するように、該折り曲げたリボンを熱溶接するステップと、
該折り曲げたリボンを、前記折り曲げたリボンの各々の一巻きの前縁部が成形具上で前記折り曲げたリボンの前の一巻きの後縁部の上に重なり、各々の一巻きの後縁部が次の一巻きの前縁部の下に重なるように、導管を回転させ前進させる該成形具の周囲にらせん状に供給するステップと、
溶融プラスチック材料のビードを、該ビードが隣接する縁部を溶接するように、前記折り曲げたリボンの隣接する一巻きの前記重なった縁部につけるステップとを備えている、
方法である。
好ましくは、熱溶接するステップは、折り曲げたリボンを、該折り曲げたリボンを一緒に押しつけるように圧力をかける1対の加熱ローラの間に通すステップを含む。
好ましくは、ローラの少なくとも1つは、少なくとも1つの導体と該少なくとも1つの導体を覆うリボンの層との各々を少なくとも部分的に受け入れるための溝を含む。
好ましくは、本方法は、折り曲げたリボンに沿ってほぼ中間の位置に、該リボンとほぼ平行な折り目を形成するステップをさらに含む方法であって、熱溶接を行った後の該リボンが柔らかいうちに、該折り目を形成するものである。
好ましくは、折り目は、折り曲げフィルムを、該折り目の形状に応じて形作られた、少なくとも1組の折り目形成ローラの折り目形成領域を通過させることによって形成される。
薄いポリマーのリボンを準備するステップと、
該リボンを加熱して柔らかくするステップと、
該リボンを横切る概ね中間の位置に該リボンとほぼ平行な折り目を形成するステップと、
前記折り目を付けたリボンを、前記折り目を付けたリボンの各々の一巻きの前縁部が成形具上で前記折り目を付けたリボンの前の一巻きの後縁部の上に重なり、各々の一巻きの後縁部が次の一巻きの前縁部の下に重なるように、導管を回転させ前進させる該成形具の周囲にらせん状に供給するステップと、
溶融プラスチック材料のビードを、該ビードが隣接する縁部を溶接するように、前記折り目を付けたリボンの隣接する一巻きの該重なった縁部につけるステップと備えている、方法である。
薄いポリマーのリボンを供給するための手段と、
該リボンに隣接する、該リボンとほぼ平行な第1の位置に、少なくとも1つの薄い導体を供給するための少なくとも1つのスプールと、
該リボンを、該少なくとも1つの導体が折り曲げたリボンに隣接し、該折り曲げたリボンによって封入されるように、ほぼ半分に折り曲げる折り曲げ手段と、
該折り曲げフィルムを溶接し、該少なくとも1つの導体を永久的に封入するのに適した熱溶接手段と、
該折り曲げたリボンを、前記折り曲げたリボンの各々の一巻きの前縁部が成形具上で前記折り曲げたリボンの前の一巻きの後縁部の上に重なり、各々の一巻きの後縁部が次の一巻きの前縁部の下に重なるように、導管を回転させ前進させる該成形具の周囲にらせん状に供給するための手段と、
溶融プラスチック材料のビードを、該ビードが隣接する縁部を溶接するように、前記折り曲げたリボンの隣接する一巻きの該重なった縁部につける手段と、を備えている、
装置である。
該折り目は、該リボンとほぼ平行であり、
該折り目形成手段は、該成形具の周囲に供給される前に該リボンに折り目を付けるように位置決めされた、
ことを特徴とする。
薄いポリマーのリボンを供給するための手段と、
該ポリマーのリボンを加熱するための加熱手段と、
該加熱手段によって加熱された後に、該リボンを横切る概ね中間の位置に該リボンとほぼ平行な折り目を形成するための折り目形成手段と、
前記折り目を付けたリボンを、前記折り目を付けたリボンの各々の一巻きの前縁部が成形具上で前記折り目を付けたリボンの前の一巻きの後縁部の上に重なり、各々の一巻きの後縁部が次の一巻きの前縁部の下に重なるように、導管を回転させ前進させる該成形具の周囲にらせん状に供給するための手段と、
溶融プラスチック材料のビードを、該ビードが隣接する縁部を溶接するように、前記折り目を付けたリボンの隣接する一巻きの該重なった縁部につける手段と、を備えている、
装置である。
本発明の導管の代替的な形態においては、均質なフラット・フィルムに形成された親水性ポリエステル・ブロック共重合体といった通気性材料から導管を形成することができる。
図1を参照すると、当該技術分野で知られている柔軟性のある呼吸導管のレイアップ構成が示される。
本発明の導管を製造する際の第1のステップは、折り曲げたプラスチック・フィルムの形成である。フィルムは、少なくとも1つの一体的な導体と共に、又は導体無しで、形成することができる。予備成形フィルムの他の形態においては、フィルムは、1つ又は複数の導体の代わりに、発泡ストリップ、導電性フィルム又は他の導電性材料若しくは絶縁性材料のストリップ、あるいは、両方の組み合わせといった、他の材料と共に形成することができる。以下では、一例として、折り曲げたプラスチック・フィルムの1つのこうした形態、すなわち、少なくとも1つの一体的に形成された導体を用いる形態のみを説明する。
次に、上述のような予備成形フィルムを用いて形成される導管を、より詳細に説明する。(少なくとも1つの導体を含む)加熱導管の製造は、少なくとも1つの埋め込み導体を含む上述のような予備成形フィルムを用いることによって達成されることがわかる。同様に、非加熱導管の製造は、封入された導体を持たない予備成形フィルムを使用することによって達成される。
Claims (12)
- 導管を連続的に形成する方法であって、
薄いポリマーのリボンを準備するステップと、
少なくとも1つの導体を、前記リボンに隣接して、該リボンとほぼ平行に位置決めするステップと、
前記リボンを、前記少なくとも1つの導体が折り曲げ部に隣接し、前記折り曲げ部の中に封入されるように、該リボンと平行にほぼ半分に折り曲げるステップと、
前記少なくとも1つの導体を永久的に封入するように、前記折り曲げたリボンを熱溶接するステップと、
前記折り曲げたリボンを、前記折り曲げたリボンの各々の一巻きの前縁部が成形具上で前記折り曲げたリボンの前の一巻きの後縁部の上に重なり、各々の一巻きの後縁部が次の一巻きの前縁部の下に重なるように、導管を回転させ前進させる前記成形具の周囲にらせん状に供給するステップと、
溶融プラスチック材料のビードを、前記ビードが隣接する縁部を溶接するように、前記折り曲げたリボンの隣接する一巻きの前記重なった縁部につけるステップとを備えている
ことを特徴とする方法。 - 前記少なくとも1つの導体は1対の導体であり、前記1対の導体は平行にかつ狭い間隔で位置決めされ、前記リボンは1つの前記導体の近傍で折り曲げられ、その結果、該1対の導体のうちの第1の導体は、前記折り曲げ部に隣接し、該折り曲げ部の中に封入され、該1対の導体のうちの第2の導体は、前記第1の導体から間隔をおいて配置され、該折り曲げ部の中に封入されるようになる、
請求項1に記載の方法。 - 前記熱溶接するステップは、前記折り曲げたリボンを、該折り曲げたリボンを一緒におしつぶすように圧力をかける1対の加熱ローラの間に通すステップを含む、
請求項1又は請求項2に記載の方法。 - 前記ローラの少なくとも1つは、前記少なくとも1つの導体と該少なくとも1つの導体を覆うリボンの層との各々を少なくとも部分的に受け入れるための溝を含む、
請求項3に記載の方法。 - 前記折り曲げたリボンに沿ってほぼ中間の位置に、該リボンとほぼ平行な折り目を形成するステップをさらに含み、前記熱溶接を行った後の該リボンが柔らかいうちに、前記折り目を形成する、
請求項1ないし4のいずれか1項に記載の方法。 - 前記折り目は、前記折り曲げフィルムを、該折り目の形状に応じて形作られた、少なくとも1組の折り目形成ローラの折り目形成領域を通過させることによって形成される、
請求項5に記載の方法。 - 導管を連続的に形成する方法であって、
薄いポリマーのリボンを準備するステップと、
前記リボンを加熱して柔らかくするステップと、
前記リボンを横切る概ね中間の位置に該リボンとほぼ平行な折り目を形成するステップと、
前記折り目を付けたリボンを、前記折り目を付けたリボンの各々の一巻きの前縁部が成形具上で前記折り目を付けたリボンの前の一巻きの後縁部の上に重なり、各々の一巻きの後縁部が次の一巻きの前縁部の下に重なるように、導管を回転させ前進させる前記成形具の周囲にらせん状に供給するステップと、
溶融プラスチック材料のビードを、前記ビードが隣接する縁部を溶接するように、前記折り目を付けたリボンの隣接する一巻きの前記重なった縁部につけるステップと備えている、
ことを特徴とする方法。 - 前記折り目は、前記折り曲げフィルムを、該折り目の形状に応じて形作られた少なくとも1組の折り目形成ローラの折り目形成領域を通過させることによって形成される、
請求項7に記載の方法。 - 導管を連続的に形成するための装置であって、
薄いポリマーのリボンを供給するための手段と、
前記リボンに隣接する、該リボンとほぼ平行な第1の位置に、少なくとも1つの薄い導体を供給するための少なくとも1つのスプールと、
前記リボンを、前記少なくとも1つの導体が折り曲げたリボンに隣接し、前記折り曲げたリボンによって封入されるように、ほぼ半分に折り曲げる折り曲げ手段と、
前記折り曲げフィルムを溶接し、前記少なくとも1つの導体を永久的に封入するのに適した熱溶接手段と、
前記折り曲げたリボンを、前記折り曲げたリボンの各々の一巻きの前縁部が成形具上で前記折り曲げたリボンの前の一巻きの後縁部の上に重なり、各々の一巻きの後縁部が次の一巻きの前縁部の下に重なるように、導管を回転させ前進させる前記成形具の周囲にらせん状に供給するための手段と、
溶融プラスチック材料のビードを、前記ビードが隣接する縁部を溶接するように、前記折り曲げたリボンの隣接する一巻きの前記重なった縁部につける手段と、を備えている、
ことを特徴とする装置。 - 前記折り曲げたリボンを横切る概ね中間の位置に折り目を形成するための折り目形成手段をさらに含み、
前記折り目が、前記リボンとほぼ平行であり、
前記折り目形成手段が、前記成形具の周囲に供給される前に前記リボンに折り目を付けるように位置決めされた、
請求項9に記載の装置。 - 導管を連続的に形成するための装置であって、
薄いポリマーのリボンを供給するための手段と、
前記ポリマーのリボンを加熱するための加熱手段と、
前記加熱手段によって加熱された後に、前記リボンを横切る概ね中間の位置に該リボンとほぼ平行な折り目を形成するための折り目形成手段と、
前記折り目を付けたリボンを、前記折り目を付けたリボンの各々の一巻きの前縁部が成形具上で前記折り目を付けたリボンの前の一巻きの後縁部の上に重なり、各々の一巻きの後縁部が次の一巻きの前縁部の下に重なるように、導管を回転させ前進させる前記成形具の周囲にらせん状に供給するための手段と、
溶融プラスチック材料のビードを、前記ビードが隣接する縁部を溶接するように、折り目を付けたリボンの隣接する一巻きの前記重なった縁部につける手段と、を備えている、
ことを特徴とする装置。 - 請求項1ないし8のいずれか1項に係る方法によって形成されたことを特徴とする導管。
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ATE434512T1 (de) | 2009-07-15 |
EP1884343A3 (en) | 2008-02-27 |
CA2498201C (en) | 2011-01-04 |
DE60328139D1 (de) | 2009-08-06 |
US8709187B2 (en) | 2014-04-29 |
US20090065119A1 (en) | 2009-03-12 |
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US20090260737A1 (en) | 2009-10-22 |
EP1884343B1 (en) | 2009-06-24 |
EP1545863A4 (en) | 2005-12-28 |
ATE439968T1 (de) | 2009-09-15 |
AU2003267875A1 (en) | 2004-04-30 |
CA2498201A1 (en) | 2004-03-25 |
AU2003267875B2 (en) | 2008-11-06 |
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DE60328900D1 (de) | 2009-10-01 |
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US20060165829A1 (en) | 2006-07-27 |
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