ES2080053T3 - Procedimiento y dispositivo para el moldeo de extrusion por soplado de un cuerpo hueco. - Google Patents

Procedimiento y dispositivo para el moldeo de extrusion por soplado de un cuerpo hueco.

Info

Publication number
ES2080053T3
ES2080053T3 ES89108286T ES89108286T ES2080053T3 ES 2080053 T3 ES2080053 T3 ES 2080053T3 ES 89108286 T ES89108286 T ES 89108286T ES 89108286 T ES89108286 T ES 89108286T ES 2080053 T3 ES2080053 T3 ES 2080053T3
Authority
ES
Spain
Prior art keywords
weight
blow mould
preform
hollow article
article
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.)
Expired - Lifetime
Application number
ES89108286T
Other languages
English (en)
Inventor
Harald Feuerherm
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of ES2080053T3 publication Critical patent/ES2080053T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/78—Measuring, controlling or regulating
    • 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
    • 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
    • B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/071—Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/78—Measuring, controlling or regulating
    • B29C2049/7874—Preform or article shape, weight, defect or presence
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/78—Measuring, controlling or regulating
    • B29C2049/788—Controller type or interface
    • B29C2049/78805—Computer or PLC control
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92571—Position, e.g. linear or angular
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92609—Dimensions
    • B29C2948/92647—Thickness
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92676—Weight
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885—Screw or gear
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle zone
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92923—Calibration, after-treatment or cooling zone
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92952—Drive section, e.g. gearbox, motor or drive fluids
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/04—Extrusion blow-moulding
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/04—Extrusion blow-moulding
    • B29C49/041—Extrusion blow-moulding using an accumulator head

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

EN UN METODO PARA LA FABRICACION DE CUERPOS HUECOS DE PLASTICO TERMOPLASTICO SE FORMA UNA PREFORMA EN FORMA DE TUBO MEDIANTE SALIDA DE UN SEPARADOR DE TOBERA DE UN CABEZAL PRESIONADOR DE TIRANTE Y ENSANCHADO EN UN MOLDE DE SOPLADO. ADEMAS LA CAPA DE LA PREFORMA ES CONDICIDA AL MOLDE DE SOPLADO Y/O REGULADA Y SEGUIDAMENTE SEPRADOS LOS ABOMBAMIENTOS ORIGINADOS POR EL MOLDE DE SOPLADO AL SALIR DEL MOLDE DE SOPLADO, DEL CUERPO HUECO. PARA ALCANZAR UNA POSICION CORRECTA LA PREFORMA EN RELACION CON LOS CAMPOS TRANSVERSALES CRITICOS DEL MOLDE DE SOPLADO Y POR OTRO LADO UN PESO CORRECTO DEL CUERPO HUECO Y/O EL PESO DE ABOMBAMIENTOS INFERIORES EXTRAIDOS AL SERVIR EN EL CABEZAL DE ALIMENTACION PARA DIRIGIR Y/0 REGULAR LA POSICION DE LA PREFORMA Y DEPENDIENDO DE UNA VARIACION DE PESO EN RELACION CON LA DEBIDA VARIAL LA RANURA DE LA TOBRERA, ASI COMO EN SERVICIO CONTINUADO DEL CABEZAL TENSOR DE PRESION, MEDIR BIEN EL PESO NETO DEL CUERPO HUECO ASI COMO LA SITUACION DE MARCACIONES EN CAMPOS MUY DETERMINADOS TRANSVERSALES CON LAS VALORACIONES DEBIDAS Y DE ESTA FORMA DESVIAR LA CONDUCCION DE LA POSICION Y/O REGULARLA.
ES89108286T 1988-05-12 1989-05-09 Procedimiento y dispositivo para el moldeo de extrusion por soplado de un cuerpo hueco. Expired - Lifetime ES2080053T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3816273A DE3816273C3 (de) 1988-05-12 1988-05-12 Verfahren zum Extrusionsblasformen eines Hohlkörpers und Vorrichtung zur Durchführung des Verfahrens

Publications (1)

Publication Number Publication Date
ES2080053T3 true ES2080053T3 (es) 1996-02-01

Family

ID=6354259

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89108286T Expired - Lifetime ES2080053T3 (es) 1988-05-12 1989-05-09 Procedimiento y dispositivo para el moldeo de extrusion por soplado de un cuerpo hueco.

Country Status (5)

Country Link
US (1) US5102588A (es)
EP (1) EP0345474B1 (es)
AT (1) ATE131109T1 (es)
DE (2) DE3816273C3 (es)
ES (1) ES2080053T3 (es)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5256346A (en) * 1988-05-12 1993-10-26 Harald Feuerherm Method of extrusion blow-molding hollow thermoplastic bodies
DE3936301A1 (de) * 1989-11-01 1991-05-02 Kautex Maschinenbau Gmbh Verfahren zum herstellen von hohlkoerpern aus thermoplastischen kunststoff
US5328651A (en) * 1993-03-05 1994-07-12 Davidson Textron Inc. Method for manufacturing an automobile trim component by blow molding and injection molding
US5486333A (en) * 1993-09-16 1996-01-23 Quantum Chemical Corporation Blow molding extrusion die with rectangular slots
US5718852A (en) * 1994-05-10 1998-02-17 The Clorox Company Process controlling a blow molding machine
EP0685315B1 (de) 1994-06-03 2001-07-18 Harald Feuerherm Verfahren zum Extrusionsblasformen von Hohlkörpern aus thermoplastischem Kunststoff
DE4421171C1 (de) * 1994-06-20 1996-01-04 Harald Feuerherm Verfahren zum Extrusionsblasformen von Hohlkörpern aus thermoplastischem Kunststoff
DE4419460C1 (de) * 1994-06-03 1995-05-11 Harald Feuerherm Verfahren zum Extrusionsblasformen von Hohlkörpern aus termoplastischem Kunststoff
DE4438604C2 (de) * 1994-10-28 1997-09-11 Harald Feuerherm Verfahren zum Steuern einer Blasformanlage
GB2294659B (en) * 1994-11-03 1998-05-06 George Robin Enderby Interface units for extrusion blow moulding control systems
DE19544634A1 (de) 1995-11-30 1997-06-05 Feuerherm Harald Verfahren zum Blasformen von Hohlkörpern aus thermoplastischem Kunststoff
US5902526A (en) * 1997-04-08 1999-05-11 Ball Corporation Method and apparatus for producing stretch blow molded articles
US5928581A (en) * 1997-04-18 1999-07-27 Owens-Brockway Plastics Products Inc. Synchronization of parison profile in a plastic container molding system
FR2766120B1 (fr) * 1997-07-21 1999-10-08 Solvay Procede de marquage d'un article produit par extrusion-soufflage
DE19813668C2 (de) * 1998-03-27 2003-04-30 Ossberger Gmbh & Co Herstellvorrichtung mit Kontrolleinrichtungen für einen Kunststoff-Hohlkörper
DE19831540C5 (de) * 1998-07-14 2005-07-07 Groß, Heinz, Dr.-Ing. Partielle Veränderung des Fließkanalquerschnitts eines geschlossenen Strömungskanalquerschnitts
GB9927682D0 (en) * 1999-11-23 2000-01-19 Unilever Plc Process for the manufacture of shaped articles
GB0008553D0 (en) * 2000-04-06 2000-05-24 Unilever Plc Process and apparatus for the production of a detergent bar
US6620352B1 (en) 2000-07-27 2003-09-16 Ball Corporation Automated material distribution control for stretch blow molded articles
DE502004006494D1 (de) 2003-03-28 2008-04-24 Harald Feuerherm Verfahren zum blasformen von hohlkorpern aus thermoplastischem kunststoff
US20060038310A1 (en) * 2004-07-29 2006-02-23 Erik Lipson Method and apparatus for forming extruded striped plastic products with variations in width of the stripes along the length of the products and for blow molding articles formed from such extruded parts
DE102005034846A1 (de) * 2005-07-26 2007-02-01 Sig Technology Ag Verfahren und Vorrichtung zur Positionierung eines Bauelementes
FR2919818A1 (fr) * 2007-08-07 2009-02-13 Inergy Automotive Systems Res Procede et filiere pour la fabrication d'un corps creux en matiere plastique
DE102008052611B3 (de) * 2008-10-21 2010-04-08 Feuerherm, Harald, Dipl.-Ing. Verfahren zur Herstellung von Kunststoffhohlkörpern durch Blasformen
DE102008052608B3 (de) * 2008-10-21 2010-05-20 Feuerherm, Harald, Dipl.-Ing. Verfahren zur Herstellung von Kunststoffhohlkörpern durch Blasformen
DE102008052609B4 (de) 2008-10-21 2010-06-02 Feuerherm, Harald, Dipl.-Ing. Verfahren zur Herstellung von Kunststoffhohlkörpern durch Blasformen
JP5335028B2 (ja) 2011-05-25 2013-11-06 サントリーホールディングス株式会社 樹脂製ボトルの製造方法
CN112873809A (zh) * 2019-11-29 2021-06-01 内蒙古伊利实业集团股份有限公司 一种优化瓶坯的结构的方法
DE102022108942A1 (de) 2022-04-12 2023-10-12 CiTEX Holding GmbH Mess-Anordnung mit einem Blasform-Extruder, Verfahren zum Vermessen eines Schmelzeschlauchs oder einer Blasform sowie Verfahren zum Blasform-Extrudieren

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US3629382A (en) * 1966-12-29 1971-12-21 Ball Corp Method for programming parisons
US3795719A (en) * 1971-09-09 1974-03-05 Baychem Corp Method of controlling the blow molding of hollow shaped plastic articles
DE2544171C3 (de) * 1975-10-03 1978-10-26 Kautex Werke Reinold Hagen Gmbh, 5300 Bonn-Holzlar Vorrichtung zum Steuern der Bewegung der Blasform und der Teile derselben beim Herstellen von Hohlkörpern aus thermoplastischem Kunststoff
DE2544609C3 (de) * 1975-10-06 1984-11-08 Kautex Werke Reinold Hagen Gmbh, 5300 Bonn Einrichtung zum Beeinflussen der Länge eines Vorformlings aus thermoplastischem Kunststoff
DE2558780B2 (de) * 1975-12-24 1978-11-09 Kautex Werke Reinold Hagen Gmbh, 5300 Bonn-Holzlar Vorrichtung zum Herstellen von Hohlkörpern aus thermoplastischem Kunststoff im Extrusions-Blasverfahren
US4474716A (en) * 1979-10-05 1984-10-02 Krupp-Kautex Maschinenbau Gmbh Controlling an extrusion blowing process
DE2940418A1 (de) * 1979-10-05 1981-04-16 Kautex-Maschinenbau GmbH, 5300 Bonn Vorrichtung zur beeinflussung des gewichtes eines im extrusionsblasverfahren hergestellten hohlkoerpers aus thermoplastischem kunststoff
DE3102076A1 (de) * 1981-01-23 1982-09-02 Krupp Kautex Maschinenbau GmbH, 5300 Bonn Verfahren und vorrichtung zum herstellen eines vorformlinges aus thermoplastischem kunststoff durch extrudieren
DE3114371A1 (de) * 1981-04-09 1982-11-11 Kautex Werke Reinold Hagen Gmbh, 5300 Bonn Verfahren und vorrichtung zum herstellen von vorzugsweise schlauchfoermigen strangabschnitten aus thermoplastischem kunststoff
JPS5925649B2 (ja) * 1981-09-08 1984-06-20 石川島播磨重工業株式会社 ブロ−成形用パリソンの断面積分布制御方法
DE3477553D1 (en) * 1983-01-22 1989-05-11 Harald Feuerherm Method for regulating the wall thickness of tubular preforms
US4869862A (en) * 1983-08-16 1989-09-26 Phillips Petroleum Company Method of shaping an extrusion die
JPS6230020A (ja) * 1985-08-01 1987-02-09 Ishikawajima Harima Heavy Ind Co Ltd プラスチツク吹込成形方法
JPH0628830A (ja) * 1992-02-19 1994-02-04 Sony Corp 音声認識装置

Also Published As

Publication number Publication date
EP0345474A3 (de) 1991-09-11
EP0345474B1 (de) 1995-12-06
DE3816273C2 (es) 1990-05-17
EP0345474A2 (de) 1989-12-13
DE3816273C3 (de) 1996-03-21
DE3816273A1 (de) 1989-11-30
DE58909522D1 (de) 1996-01-18
ATE131109T1 (de) 1995-12-15
US5102588A (en) 1992-04-07

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