FR2372014A1 - Procede pour uniformiser l'epaisseur des parois de corps creux en matiere thermoplastique et dispositif pour la mise en oeuvre du procede - Google Patents

Procede pour uniformiser l'epaisseur des parois de corps creux en matiere thermoplastique et dispositif pour la mise en oeuvre du procede

Info

Publication number
FR2372014A1
FR2372014A1 FR7735737A FR7735737A FR2372014A1 FR 2372014 A1 FR2372014 A1 FR 2372014A1 FR 7735737 A FR7735737 A FR 7735737A FR 7735737 A FR7735737 A FR 7735737A FR 2372014 A1 FR2372014 A1 FR 2372014A1
Authority
FR
France
Prior art keywords
thickness
elongate
wall
hollow
hollow body
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.)
Granted
Application number
FR7735737A
Other languages
English (en)
Other versions
FR2372014B1 (fr
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
Publication of FR2372014A1 publication Critical patent/FR2372014A1/fr
Application granted granted Critical
Publication of FR2372014B1 publication Critical patent/FR2372014B1/fr
Granted 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
    • 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
    • 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
    • B29C48/03—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
    • 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
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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
    • 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
    • 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
    • B29C2948/92819—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
    • 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
    • B29C48/475—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pistons, accumulators or press rams

Landscapes

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

Abstract

L'invention concerne un procédé et un dispositif pour sa mise en oeuvre destinés à uniformiser l'épaisseur des parois de corps creux en matière thermoplastique. Pour former ces objets, la matière plastique est extrudée en cordon, transformée aussitôt en un cordon creux et finalement étirée à la forme définitive par une pression interne, l'épaisseur de la paroi du cordon creux étant influencée avant allongement en fonction de la facilité variable de s'allonger, de façon que dans les zones s'allongeant facilement et/ou s'allongeant fortement, soit prévue une grande épaisseur correspondante et dans les zones pouvant s'allonger faiblement et/ou s'allongeant faiblement, soit prévue une faible épaisseur correspondante de la paroi, de façon que l'épaisseur de la paroi du corps creux après allongement corresponde à l'épaisseur désirée en tout point. Le procédé et le dispositif pour son application sont destinés à la fabrication de récipients, de tubes, de feuilles soufflées, etc.
FR7735737A 1976-11-27 1977-11-28 Procede pour uniformiser l'epaisseur des parois de corps creux en matiere thermoplastique et dispositif pour la mise en oeuvre du procede Granted FR2372014A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2654001A DE2654001C2 (de) 1976-11-27 1976-11-27 Vorrichtung zum Herstellen von aus thermoplastischem Kunstoff bestehenden Hohlkörpern

Publications (2)

Publication Number Publication Date
FR2372014A1 true FR2372014A1 (fr) 1978-06-23
FR2372014B1 FR2372014B1 (fr) 1983-02-18

Family

ID=5994163

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7735737A Granted FR2372014A1 (fr) 1976-11-27 1977-11-28 Procede pour uniformiser l'epaisseur des parois de corps creux en matiere thermoplastique et dispositif pour la mise en oeuvre du procede

Country Status (13)

Country Link
US (2) US4279857A (fr)
JP (1) JPS6054171B2 (fr)
AT (1) AT376606B (fr)
BR (1) BR7707871A (fr)
CA (1) CA1144323A (fr)
CH (1) CH629415A5 (fr)
DE (1) DE2654001C2 (fr)
ES (1) ES464475A1 (fr)
FR (1) FR2372014A1 (fr)
GB (1) GB1595599A (fr)
IT (1) IT1115545B (fr)
NL (1) NL7712957A (fr)
SE (1) SE7713105L (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2512390A1 (fr) * 1980-11-15 1983-03-11 Mauser Werke Gmbh Buse de sortie d'une tete de filiere

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4422838A (en) * 1979-12-27 1983-12-27 Ishikawajima-Harima Jukogyo Kabushiki Kaisha Extrusion head for use in blow molding machine
DE3001705C2 (de) * 1980-01-18 1984-10-18 Wavin B.V., Zwolle Zentriervorrichtung für Formwerkzeuge von Strangpressen
JPS56144197A (en) * 1980-04-14 1981-11-10 Teibow Co Ltd Molding device for pen point in synthetic resin
DE3031333C2 (de) * 1980-08-20 1983-07-14 Battenfeld Maschinenfabriken Gmbh, 5882 Meinerzhagen Verfahren und Vorrichtung zum Einstellen der Wanddicke eines aus thermoplastischem Kunststoff extrudierten Schlauches
DE3043228A1 (de) * 1980-11-15 1982-07-01 Mauser-Werke GmbH, 5040 Brühl Strangpresskopf
US4735834A (en) * 1982-08-30 1988-04-05 Phillips Petroleum Company Plastic molding
US4496301A (en) * 1982-08-30 1985-01-29 Phillips Petroleum Company Plastic molding apparatus
US4650629A (en) * 1982-08-30 1987-03-17 Phillips Petroleum Company Plastic molding process
US4495022A (en) * 1982-08-31 1985-01-22 At&T Technologies, Inc. Extrusion method and apparatus
US4547246A (en) * 1982-08-31 1985-10-15 At&T Technologies, Inc. Extrusion method
DE3301248C2 (de) * 1983-01-15 1987-01-02 Mauser-Werke GmbH, 5040 Brühl Strangpreßkopf
DE3305242A1 (de) * 1983-02-16 1984-08-16 Battenfeld-Fischer Blasformtechnik GmbH, 5204 Lohmar Pinole fuer den dorn eines schlauchkopfes zur herstellung von schlauchabschnitten oder schlaeuchen aus thermoplastischem kunststoff
US4518343A (en) * 1983-03-07 1985-05-21 E. I. Du Pont De Nemours And Company Extrusion die
US4483812A (en) * 1983-04-15 1984-11-20 Cosden Technology, Inc. Valve plate and feedblock design for co-extrusion apparatus and co-extrusion process using same
JPS59209122A (ja) * 1983-05-12 1984-11-27 Japan Steel Works Ltd:The パリソン肉厚調整装置
US4751651A (en) * 1983-08-16 1988-06-14 Phillips Petroleum Company Shaping of dies
DE3414234A1 (de) * 1984-04-14 1985-10-24 Basf Ag, 6700 Ludwigshafen Verfahren und vorrichtung zur herstellung blasgeformter hohlkoerper aus thermoplastischen kunststoffen
US4548569A (en) * 1984-08-06 1985-10-22 Somerset Technologies, Inc. Accumulator head
US4578025A (en) * 1984-11-21 1986-03-25 Kazuo Ando Die assembly for extruding multilayer parisons
JPS625815A (ja) * 1985-07-01 1987-01-12 Ishikawajima Harima Heavy Ind Co Ltd パリソンの肉厚制御装置
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
JPS62247569A (ja) * 1986-04-18 1987-10-28 Matsushita Electric Ind Co Ltd 半導体装置
US4711623A (en) * 1986-05-13 1987-12-08 Mobil Oil Corporation Annular extrusion die with internal choke ring and spider mandrel
DE3628974C1 (de) * 1986-08-26 1988-02-25 Schmidt Erwepa Maschf Breitschlitzduese zum Extrudieren von Thermoplasten
AT393808B (de) * 1986-10-23 1991-12-27 Cincinnati Milacron Austria Werkzeug zur herstellung von rohren mit unterschiedlichen wanddicken
US4738735A (en) * 1986-11-05 1988-04-19 Mercedes Textiles Limited Method and apparatus for continuously extruding an elastomeric material on the interior of a continuous tubular woven fabric in a loom
US4836970A (en) * 1987-01-30 1989-06-06 Robbins Edward S Iii Method of extrusion blow-molding container having upper and lower sections of different thickness
DE3832566A1 (de) * 1988-09-24 1990-04-05 Bernd Hansen Verfahren zum herstellen gefuellter fluessigkeitsbehaelter aus thermoplastischem kunststoff sowie extrusionskopf
DE3922883A1 (de) * 1989-07-12 1991-01-24 Kautex Maschinenbau Gmbh Verfahren und vorrichtung zum herstellen von hohlkoerpern aus thermoplastischem kunststoff
DE4013610A1 (de) * 1989-10-26 1991-05-02 Reifenhaeuser Masch Verfahren zum betrieb einer blasfolien-extruderanlage und fuer das verfahren eingerichtete blasfolien-extruderanlage
US5057267A (en) * 1990-01-10 1991-10-15 Solvay Automotive, Inc. Apparatus and method for forming hollow parisons of variable wall thickness
US5102602A (en) * 1990-06-04 1992-04-07 Plastics Usa Corporation Adjustable diehead
US5069850A (en) * 1990-07-24 1991-12-03 Bridgestone/Firestone, Inc. Coextrusion apparatus and method using a rigid die for varying the outer profile of a tubular extrudate
US5062782A (en) * 1990-07-24 1991-11-05 Bridgestone/Firestone, Inc. Coextrusion apparatus for varying the inner and/or outer profile of a tubular extrudate
US5128084A (en) * 1990-07-24 1992-07-07 Bridgestone Firestone Inc Coextrusion apparatus and method for varying the inner profile of a tubular extrudate
US5108682A (en) * 1990-07-24 1992-04-28 Bridgestone/Firestone, Inc. Coextrusion apparatus and method using an elastic die for varying the outer profile of a tubular extrudate
US5177854A (en) * 1991-10-03 1993-01-12 Xerox Corp Distortion-free method of mounting an end piece on a thin-walled hollow tube
JP2797864B2 (ja) * 1992-10-30 1998-09-17 豊田合成株式会社 厚み変化を有するウインドモールの製造方法
US5413582A (en) * 1993-11-03 1995-05-09 Electromedics, Inc. Inflatable tourniquet cuff and method of making same
DE4400069C1 (de) * 1994-01-04 1995-04-06 Heinz Dr Ing Gros Einstellbare Drossel mit flachem Kanalquerschnitt
US5900260A (en) * 1996-12-09 1999-05-04 Cincinnati Milacron Inc. Accumulator head having a segmented barrel
US5792486A (en) * 1997-04-03 1998-08-11 Cincinnati Milacron Inc. Retainer for the die pin in an accumulator head
CA2237226C (fr) * 1997-06-12 2006-08-22 Harald Feuerherm Tete d'extrusion pour machine de soufflage
DE19724692A1 (de) * 1997-06-12 1998-12-24 Harald Feuerherm Extrusionskopf für eine Anlage zum Extrusionsblasformen von Hohlkörpern, insbesondere Kunststoff-Kraftstoffbehältern
ES2187151T3 (es) 1998-03-05 2003-05-16 Mauser Werke Gmbh & Co Kg Cabeza de extrusion.
JP2002516230A (ja) * 1998-05-28 2002-06-04 マウザー−ヴェルケ ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト プラスチック中空体を製作する方法及び装置及びこれにより製作されたプラスチック中空体
DE19831540C5 (de) 1998-07-14 2005-07-07 Groß, Heinz, Dr.-Ing. Partielle Veränderung des Fließkanalquerschnitts eines geschlossenen Strömungskanalquerschnitts
DE19903084C2 (de) * 1999-01-27 2001-01-25 Harald Feuerherm Strangpreßkopf zum Extrusionsblasformen von Kunststoffbehältern
AT3577U1 (de) * 1999-01-28 2000-05-25 Technoplast Kunststofftechnik Vorrichtung zur extrusion von kunststoffprofilen
IT1309651B1 (it) * 1999-03-01 2002-01-30 Tecno Coating Eng Srl Filiera per l'estrusione di un film tubolare, migliorata
DE19931870C2 (de) * 1999-07-09 2003-10-30 Harald Feuerherm Strangpreßkopf zum Extrusionsblasformen von Kunststoffbehältern
US6682690B2 (en) 2001-02-01 2004-01-27 Schmalbach-Lubreca Ag Core rod positioning method
US7296991B2 (en) * 2004-12-10 2007-11-20 Irwin Jere F Adjustable extruder die assembly die lip adjustment apparatus
ITFI20050143A1 (it) * 2005-06-29 2005-09-28 Golden Lady Co Spa Dispositivo per manipolare manufatti tubolari a maglia, in specie calzini e simili
US20070190201A1 (en) * 2006-02-13 2007-08-16 Irwin Jere E Extruder die assembly, extruder, and method
CA2622692C (fr) * 2007-02-26 2015-10-06 Advanced Drainage Systems, Inc. Matrice de tuyau double paroi a rapport defini
CN102918650B (zh) 2010-04-07 2017-03-22 株式会社半导体能源研究所 晶体管
KR101252957B1 (ko) * 2010-12-13 2013-04-15 삼성에스디아이 주식회사 코팅장치 및 이를 이용한 코팅 방법
CA3086509A1 (fr) * 2011-10-14 2013-04-18 Fisher & Paykel Healthcare Limited Tuyaux medicaux et procedes de fabrication
DE102011116680A1 (de) 2011-10-21 2013-04-25 Heinz Gross 3-D-Kopf
DE102012022409B3 (de) * 2012-11-15 2013-05-29 Heinz Gross Schlauchkopf mit trifunktionellem Bauteil
EP3381650B1 (fr) * 2015-11-27 2023-01-18 Sumitomo Heavy Industries Modern, Ltd. Dispositif de formation de film
IT202300022638A1 (it) * 2023-10-27 2025-04-27 Brev Angela Srl Testa di estrusione di un tubo in parison per la realizzazione di contenitori di liquido e relativo gruppo di ugelli.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1107926B (de) * 1956-08-01 1961-05-31 Reifenhaeuser Kg Spritzkopf an Strangpressen zum Herstellen von gekruemmten Rohren oder Stangen aus organischem thermoplastischem Kunststoff oder anderen thermoplastischen Massen
US3312766A (en) * 1963-03-25 1967-04-04 Stevens Alexander Michael Extrusion of plastic tubes of varying diameter
US3420926A (en) * 1962-11-13 1969-01-07 Monsanto Co Method for selectively controlling the extrusion of plastic material
DE1504440A1 (de) * 1962-09-11 1970-02-05 Kautex Werke Gmbh Strangpresse zum Verarbeiten von thermoplastischen Kunststoffen
FR2343577A1 (fr) * 1976-03-13 1977-10-07 Elbatainer Kunststoff Procede et dispositif pour la fabrication de corps creux a partir d'une matiere thermoplastique

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1161412B (de) * 1960-05-28 1964-01-16 Kalle Ag Einstellbare Ringduese
FR1279158A (fr) 1961-02-10 1961-12-15 Lonza Usines Electr Et Chim Sa Extrudeuse pour films tubulaires de matière synthétique thermoplastique
US3114932A (en) 1962-02-20 1963-12-24 Purex Corp Ltd Plastic object blow molding method and apparatus
NL300474A (fr) * 1962-11-13 1900-01-01
NL136477C (fr) * 1963-02-14 1900-01-01
US3221371A (en) * 1963-03-25 1965-12-07 Stevens Alexander Michael Extruding dies
US3309443A (en) * 1963-12-13 1967-03-14 Phillips Petroleum Co Plastic molding
FR1385115A (fr) * 1964-03-06 1965-01-08 Union Carbide Corp Procédé et appareil pour fabriquer des objets creux en matière thermoplastique
FR1425435A (fr) 1964-12-07 1966-01-24 Rhone Poulenc Sa Filière d'extrusion à orifice variable
US3339235A (en) * 1965-02-12 1967-09-05 Beteiligungs & Patentverw Gmbh Extrusion head
US3440310A (en) * 1966-05-23 1969-04-22 Container Corp Method for rapid extrusion of parison in blow molding operation
US3390430A (en) * 1966-06-08 1968-07-02 Continental Can Co Extrusion die shell adjusting device
DE1629478A1 (de) * 1966-11-09 1972-01-20 Industrial Nucleonics Corp Vorrichtung und Verfahren zur Messung und Steuerung des Ausganges eines Extruders mit umlaufendem Formwerkzeug
AT313554B (de) * 1966-12-30 1974-02-25 Conduco Ag Vorrichtung zur Verstellung des Ringspaltes eines Spritzkopfes zur Herstellung von Rohren und Schläuchen aus thermoplastischem Kunststoff
DE1704467A1 (de) * 1967-03-01 1971-05-19 Basf Ag Anordnung zum Veraendern der Werkstoffverteilung eines fortlaufend erzeugten Vorformlings aus thermoplastischem Kunststoff
US3453690A (en) * 1967-05-26 1969-07-08 Midland Ross Corp Variable area extruder die-head
DE1704791B2 (de) * 1968-03-18 1976-07-29 Kautex Werke Reinold Hagen Gmbh, 5300 Bonn-Holzlar Vorrichtung zum herstellen von im querschnitt ringfoermigen koerpern aus thermoplastischem kunststoff
DE1948580A1 (de) * 1968-09-30 1970-04-09 Unilever Nv Vorrichtung zum Strangpressen eines rohrfoermigen Kuelbels
DE2100192C3 (de) * 1971-01-04 1983-02-24 Kautex Werke Reinold Hagen Gmbh, 5300 Bonn Strangpreßkopf zum Herstellen eines Hohlstranges
US3860372A (en) * 1971-02-26 1975-01-14 Dow Chemical Co Adjustable feedblock for encapsulated multilayer extrusion
JPS4724698U (fr) * 1971-03-25 1972-11-20
JPS4933347A (fr) * 1972-08-07 1974-03-27
US3981672A (en) * 1973-03-05 1976-09-21 Phillips Petroleum Company Apparatus for forming a parison
US3865528A (en) * 1973-11-01 1975-02-11 Moog Inc Extrusion apparatus having electronic interpolator
DE2510127C2 (de) * 1975-03-06 1983-09-22 Battenfeld Maschinenfabriken Gmbh, 5882 Meinerzhagen Strangpreßkopf zum Herstellen eines aus zwei konzentrischen, mit ihren Fließnähten versetzt zueinander angeordneten Schichten bestehenden Verbundschlauches aus thermoplastischem Kunststoff
US4171195A (en) * 1977-11-17 1979-10-16 Scientific Process & Research, Inc. Cross-head die with volumetric flow compensation means

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1107926B (de) * 1956-08-01 1961-05-31 Reifenhaeuser Kg Spritzkopf an Strangpressen zum Herstellen von gekruemmten Rohren oder Stangen aus organischem thermoplastischem Kunststoff oder anderen thermoplastischen Massen
DE1504440A1 (de) * 1962-09-11 1970-02-05 Kautex Werke Gmbh Strangpresse zum Verarbeiten von thermoplastischen Kunststoffen
US3420926A (en) * 1962-11-13 1969-01-07 Monsanto Co Method for selectively controlling the extrusion of plastic material
US3312766A (en) * 1963-03-25 1967-04-04 Stevens Alexander Michael Extrusion of plastic tubes of varying diameter
FR2343577A1 (fr) * 1976-03-13 1977-10-07 Elbatainer Kunststoff Procede et dispositif pour la fabrication de corps creux a partir d'une matiere thermoplastique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2512390A1 (fr) * 1980-11-15 1983-03-11 Mauser Werke Gmbh Buse de sortie d'une tete de filiere

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AT376606B (de) 1984-12-10
IT1115545B (it) 1986-02-03
DE2654001C2 (de) 1986-02-06
ES464475A1 (es) 1978-08-01
DE2654001A1 (de) 1978-06-08
SE7713105L (sv) 1978-05-28
US4382766A (en) 1983-05-10
CH629415A5 (de) 1982-04-30
ATA851777A (de) 1984-05-15
CA1144323A (fr) 1983-04-12
US4279857A (en) 1981-07-21
GB1595599A (en) 1981-08-12
NL7712957A (nl) 1978-05-30
JPS5377260A (en) 1978-07-08
BR7707871A (pt) 1978-06-13
FR2372014B1 (fr) 1983-02-18
JPS6054171B2 (ja) 1985-11-29

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