JPH11511706A - 均質な材料を押出し加工機で製造する方法、押出し加工機および多層プラスチック管 - Google Patents
均質な材料を押出し加工機で製造する方法、押出し加工機および多層プラスチック管Info
- Publication number
- JPH11511706A JPH11511706A JP8533048A JP53304896A JPH11511706A JP H11511706 A JPH11511706 A JP H11511706A JP 8533048 A JP8533048 A JP 8533048A JP 53304896 A JP53304896 A JP 53304896A JP H11511706 A JPH11511706 A JP H11511706A
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- extruder
- stator
- extruded
- supplied
- 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.)
- Ceased
Links
Classifications
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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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/22—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length consisting of at least two parts of chemically or physically different materials, e.g. having different densities
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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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- B29C48/152—Coating hollow articles the inner surfaces thereof
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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
- 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
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
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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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/303—Extrusion nozzles or dies using dies or die parts movable in a closed circuit, e.g. mounted on movable endless support
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/33—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles with parts rotatable relative to each other
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
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- B29C48/336—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
- B29C48/336—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die
- B29C48/3366—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die using a die with concentric parts, e.g. rings, cylinders
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
- B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
- B29C48/338—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location using a die with concentric parts, e.g. rings, cylinders
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/361—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die with the barrel or with a part thereof rotating
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/465—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/465—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers
- B29C48/467—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers using single rollers, e.g. provided with protrusions, closely surrounded by a housing with movement of the material in the axial direction
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/465—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers
- B29C48/467—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers using single rollers, e.g. provided with protrusions, closely surrounded by a housing with movement of the material in the axial direction
- B29C48/468—Cavity transfer mixing devices, i.e. a roller and surrounding barrel both provided with cavities; Barrels and rollers therefor
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/695—Flow dividers, e.g. breaker plates
- B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
- B29C48/705—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows in the die zone, e.g. to create flow homogeneity
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/76—Venting, drying means; Degassing means
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
- B29C48/902—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies internally
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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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
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- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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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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- B29C55/22—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C63/26—Lining or sheathing of internal surfaces
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- Engineering & Computer Science (AREA)
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- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Molding Of Porous Articles (AREA)
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 押出し加工すべき材料が回転可能ローター(3、3a−3c)とステー ター(1、2、27、28)の間に供給されるように該ローター(3、3a−3 c)と該ステーター(1、2、27、28)の間に位置する少なくとも2つの環 状円錐形フィードギャップを含む押出し加工機を用いて均質な材料を製造する方 法であって、少なくとも1つのローター(3、3a−3c)またはステーター( 1、2、27、28)が開口部(12)を該押出し加工すべき材料の移動方向に おいて該押出し加工すべき材料の搬送地点と該押出し加工機のノズルの間に含む ことで該押出し加工すべき材料の少なくともいくらかが該開口部(12)の中を 通って流れ得ることを特徴とする方法。 2. 異なる数種の材料を該押出し加工機に同時に供給することを特徴とする 請求の範囲第1項記載の方法。 3. 該材料の少なくともいくらかを該ローター(3、3a−3c)の幅広末 端部からある距離を置いた所に供給しそしてそれがその後に該ローター(3、3 a−3c)の幅広末端部に導かれて該開口部(12)を通って該ローター(3) のもう一方の側に流れそして更に該ローター(3)の狭末端部に導かれて該押出 し加工機のノズルから出ることを特徴とする請求の範囲第1または2項記載の方 法。 4. 該押出し加工すべき材料から気体および水分を排出させる排出口(16 )を該開口部(12)に連結させて少なくとも1つ存在させることを特徴とする 請求の範囲第3項記載の方法。 5. 該気体および水分を該押出し加工機に供給される材料に通して該排出口 (16)経由で排出させることを特徴とする請求の範囲第4項 記載の方法。 6. 該押出し加工機に少なくとも2つのローター(3a−3c)を含めそし て該供給すべき材料を該内側ローター(3a)と内側ステーター(1)の間およ び該外側ローター(3b)と外側ステーター(2)の間の両方に供給することを 特徴とする請求の範囲第3から5項いずれか1項記載の方法。 7. 該内側ローター(3a)と内側ステーター(1)の間に供給した材料の 一部が該内側ローター(3a)と内側ステーター(1)の間に導かれて該内側ロ ーター(3a)の幅広末端部に向かいかつ該材料の一部が該内側ローター(3a )と内側ステーター(1)の間に導かれて該内側ローター(3a)の狭末端部に 向かいそして該外側ローター(3b)と外側ステーター(2)の間に供給した材 料の一部が該外側ローター(3b)と外側ステーター(2)の間に導かれて該外 側ローター(3b)の幅広末端部に向かいかつ該材料の一部が該外側ローター( 3b)と外側ステーター(2)の間に導かれて該外側ローター(3b)の狭末端 部に向かうことを特徴とする請求の範囲第6項記載の方法。 8. 該内側ローター(3a)と内側ステーター(1)の間に供給してそれら の間に導いて該内側ローター(3a)の狭末端部に向かわせる材料部分でプラス チック製品の内側スキン(Ei)を形成させそして該外側ローター(3b)と外 側ステーター(2)の間に供給してそれらの間に導いて該外側ローター(3b) の狭末端部に向かわせる材料部分で外側スキン(Eo)を形成させ、該内側ロー ター(3a)と内側ステーター(1)の間に供給してそれらの間に導いて該内側 ローター(3a)の幅広端部に向かわせる材料および該外側ローター(3b)と 外側ステ ーター(2)の間に供給してそれらの間に導いて該外側ローター(3b)の幅広 末端部に向かわせる材料で該製品の中間層(Ef)を形成させ、該内側ローター (3a)と内側ステーター(1)の間に供給してそれらの間に導いて該内側ロー ター(3a)の幅広端部に向かわせる材料を該押出し加工機の内側から該内側ロ ーター(3a)と内側ステーター(1)の間に送り込み、それによって、該材料 を該押出し加工機の廃熱で暖め、そして該内側スキン(Ei)、外側スキン(E o)および中間層(Ef)を同じ熱装置内で生じさせることを特徴とする請求の 範囲第7項記載の方法。 9. 該材料を該押出し加工機の内側から該ローター(3、3a)と内側ステ ーター(1)の間に供給することを特徴とする請求の範囲第1から7項いずれか 1項記載の方法。 10. 該供給すべき材料を、該材料が供給用導管(6、7、29、30)内 で少なくとも2つの異なる材料流れ(34a、34b)に分割されて該押出し加 工機の異なる部分に供給されるように、供給用導管(6、7、29、30)に沿 って該押出し加工機の中に供給することを特徴とする請求の範囲前項いずれか1 項記載の方法。 11. 回転可能ローター(3、3a−3c)とステーター(1、2、27、 28)の間に位置する少なくとも2つの環状円錐形フィードギャップを含みかつ 押出し加工すべき材料を該ローター(3、3a−3c)と該ステーター(1、2 、27、28)の間に供給する手段を含む押出し加工機であって、少なくとも1 つのローター(3、3a−3c)またはステーター(1、2、27、28)が開 口部(12)を該押出し加工すべき材料の移動方向において該押出し加工すべき 材料の搬送地点と該押 出し加工機のノズルの間に含むことで該押出し加工すべき材料の少なくともいく らかが該開口部(12)の中を通って流れ得ることを特徴とする押出し加工機。 12. 少なくとも1つのステーター(1、2、27、28)および少なくと も1つのローター(3、3a−3c)が該押出し加工すべき材料を混合する刻み 目(13)を含みそして該ローター(3、3a−3c)に与えた刻み目(13) がそれが該ステーター(1、2、27、28)に与えた刻み目(13)と重なる ように位置することを特徴とする請求の範囲第11項記載の押出し加工機。 13. 該刻み目(13)の形状が楕円形でありそしてそれらが該ローター( 3、3a−3c)と該ステーター(1、2、27、28)内に対角線方向に位置 していることを特徴とする請求の範囲第12項記載の押出し加工機。 14. 該ローター(3、3a−3c)と該ステーター(1、2、27、28 )の間にギャップ(15)が存在していることを特徴とする請求の範囲第11か ら13項いずれか1項記載の押出し加工機。 15. 該押出し加工機に数本の材料供給用導管(6、7、29、30)が含 まれていることで数種の異なる材料を該押出し加工機に同時に供給することがで きることを特徴とする請求の範囲第11から14項いずれか1項記載の押出し加 工機。 16. 該押出し加工機の配置が、該押出し加工すべき材料の少なくとも一部 が該ローター(3、3a−3c)の幅広末端部からある距離を置いた所に導かれ るような配置になっており、そして該ローター(3、3a−3c)の配置が、該 材料の少なくともいくらかが該ローター(3、 3a−3c)の幅広末端部に移送されてその場所で該材料が該開口部(12)を 通って該ローター(3、3a−3c)のもう一方の側に流れ込むような配置にな っており、そして更に該ローター(3、3a−3c)の配置が、該材料がその後 該ローター(3、3a−3c)の狭末端部に移送されて更に該押出し加工機のノ ズルから出るような配置になっていることを特徴とする請求の範囲第11から1 5項いずれか1項記載の押出し加工機。 17. 該押出し加工すべき材料から気体および水分を排出させる排出口(1 6)が該開口部(12)に連結して少なくとも1つ存在していることを特徴とす る請求の範囲第16項記載の押出し加工機。 18. 該排出口(16)の配置が該気体および水分が該押出し加工機に供給 される材料を通して排出されるような配置になっていることを特徴とする請求の 範囲第17項記載の押出し加工機。 19. 少なくとも2つのローター(3a−3c)が存在しておりそして該押 出し加工すべき材料が該外側ローター(3b)と外側ステーター(2)の間に供 給されるように1番目の供給用導管(6)が位置しておりかつ該押出し加工すべ き材料が該内側ローター(3a)と内側ステーター(1)の間に供給されるよう に2番目の供給用導管(7)が位置していることを特徴とする請求の範囲第16 から18項いずれか1項記載の押出し加工機。 20. 該押出し加工機が、該押出し加工すべき材料を該外側ローター(3b )と外側ステーター(2)の間に供給するように位置している3番目の供給用導 管(29)を含みかつ該押出し加工すべき材料を該内側ローター(3a)と内側 ステーター(1)の間に供給するように位置 している4番目の供給用導管(30)を含み、そして該内側ローター(3a)の 配置が、該2番目の供給用導管(7)に沿って供給される材料が該内側ローター (3a)と内側ステーター(1)の間に輸送されて該内側ローター(3a)の幅 広末端部に向かいそして該4番目の供給用導管(30)に沿って供給される材料 が該内側ローター(3a)と内側ステーター(1)の間に輸送されて該内側ロー ター(3a)の狭末端部に向かうような配置になっており、そして該外側ロータ ー(3b)の配置が、該1番目の供給用導管(6)に沿って供給される材料が該 外側ローター(3b)と外側ステーター(2)の間に輸送されて該外側ローター (3b)の幅広末端部に向かいそして該3番目の供給用導管(29)に沿って供 給される材料が該外側ローター(3b)と外側ステーター(2)の間に輸送され て該外側ローター(3b)の狭末端部に向かうような配置になっていることを特 徴とする請求の範囲第19項記載の押出し加工機。 21. 該供給用導管(6、7、29、30)の配置が該押出し加工すべき材 料が該ローター(3、3a)と内側ステーター(1)の間に供給されるような配 置になっておりそして該供給用導管(6、7、29、30)が該押出し加工機の 内側に位置していることを特徴とする請求の範囲第11から20項いずれか1項 記載の押出し加工機。 22. 該押出し加工機が少なくとも1つの供給用導管(6、7、29、30 )を含んでいて、それの配置が、該供給すべき材料が該供給用導管(6、7、2 9、30)内で2つの異なる材料流れ(34a、34b)に分割されて該押出し 加工機の異なる部分に供給され得るような配置になっていることを特徴とする請 求の範囲第11から21項いずれか1項記載の押出し加工機。 23. 該押出し加工機が板ばね(24)を含んでいて、それの配置が、該ロ ーター(3、3a−3c)が該ステーター(1、2、27、28)に関係して該 押出し加工機の軸方向に動き得るような配置になっていることを特徴とする請求 の範囲第11から22項いずれか1項記載の押出し加工機。 24. 内側管および外側管(Ei、Eo)を含みかつ該内側管と外側管の間 に位置していてより柔らかい材料で作られている中間層(Ef)を含む多層プラ スチック管であって、少なくとも1つの層(Ei、Eo、Ef)が補強された固 体状であるか或は発泡している再処理プラスチックを含むことを特徴とする多層 プラスチック管。 25. 該再処理プラスチックが車のタイヤを再生利用することで得られるゴ ムを含むことを特徴とする第24項記載のプラスチック管。 26. 該再処理プラスチックに繊維を形成する相溶剤であるプラスチック、 例えばLCPプラスチックなどが混合されていることを特徴とする第24または 25項記載のプラスチック管。 27. 固体状の外側表面および/または中間層が繊維含有再処理プラスチッ ク、例えばポリプロピレンなどで構成されていて、ガラス繊維で補強されており 、それが対角線配向場を含むことを特徴とする請求の範囲第24から26項いず れか1項記載のプラスチック管。 28. 該外側管および/または内側管(Ei、Eo)がステープル繊維また はウォラストナイトを含んでいて、それらの配向が軸方向とは異なることを特徴 とする請求の範囲第24から27項いずれか1項記載のプラスチック管。 29. 少なくとも1つの層(Ei、Eo、Ef)が架橋しているこ とを特徴とする請求の範囲第24から28項いずれか1項記載のプラスチック管 。 30. 該補強材が再利用架橋プラスチックまたは繊維を含むことを特徴とす る請求の範囲第24から29項いずれか1項記載のプラスチック管。 31. 請求の範囲第24から30項いずれか1項記載のプラスチック管であ って、該内側管(Ei)が架橋ポリエチレンを含みそして該中間層(Ef)がマ イカで補強されているポリオレフィンであることを特徴とする共押出し加工の多 層プラスチック圧力管。
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| JPH11511706A true JPH11511706A (ja) | 1999-10-12 |
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| US (2) | US6073657A (ja) |
| EP (1) | EP0868278B1 (ja) |
| JP (1) | JPH11511706A (ja) |
| AT (1) | ATE246987T1 (ja) |
| AU (1) | AU1068297A (ja) |
| DE (1) | DE69629491T2 (ja) |
| WO (1) | WO1997021532A1 (ja) |
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-
1996
- 1996-12-12 AU AU10682/97A patent/AU1068297A/en not_active Abandoned
- 1996-12-12 JP JP8533048A patent/JPH11511706A/ja not_active Ceased
- 1996-12-12 DE DE69629491T patent/DE69629491T2/de not_active Expired - Lifetime
- 1996-12-12 US US09/077,902 patent/US6073657A/en not_active Expired - Lifetime
- 1996-12-12 WO PCT/FI1996/000658 patent/WO1997021532A1/en not_active Ceased
- 1996-12-12 AT AT96940677T patent/ATE246987T1/de not_active IP Right Cessation
- 1996-12-12 EP EP96940677A patent/EP0868278B1/en not_active Expired - Lifetime
-
2000
- 2000-04-27 US US09/559,370 patent/US6446674B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE69629491T2 (de) | 2004-06-17 |
| US6446674B1 (en) | 2002-09-10 |
| EP0868278A1 (en) | 1998-10-07 |
| WO1997021532A1 (en) | 1997-06-19 |
| EP0868278B1 (en) | 2003-08-13 |
| US6073657A (en) | 2000-06-13 |
| ATE246987T1 (de) | 2003-08-15 |
| AU1068297A (en) | 1997-07-03 |
| DE69629491D1 (de) | 2003-09-18 |
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