DE3880876D1 - Verfahren zur dickenregelung eines extrudierten kunststoffgegenstandes. - Google Patents

Verfahren zur dickenregelung eines extrudierten kunststoffgegenstandes.

Info

Publication number
DE3880876D1
DE3880876D1 DE8888890081T DE3880876T DE3880876D1 DE 3880876 D1 DE3880876 D1 DE 3880876D1 DE 8888890081 T DE8888890081 T DE 8888890081T DE 3880876 T DE3880876 T DE 3880876T DE 3880876 D1 DE3880876 D1 DE 3880876D1
Authority
DE
Germany
Prior art keywords
thickness control
extruded plastic
plastic item
item
extruded
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
DE8888890081T
Other languages
English (en)
Inventor
Josef Dipl Ing Dobrowsky
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.)
Milacron Inc
Original Assignee
Milacron Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3500452&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3880876(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Milacron Inc filed Critical Milacron Inc
Application granted granted Critical
Publication of DE3880876D1 publication Critical patent/DE3880876D1/de
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
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the 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
    • B29C48/03—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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/832—Heating
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/865—Heating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92114—Dimensions
    • B29C2948/92152—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
    • B29C2948/92009—Measured parameter
    • B29C2948/92209—Temperature
    • 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
    • B29C2948/92009—Measured parameter
    • B29C2948/92314—Particular value claimed
    • 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
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92361—Extrusion unit
    • B29C2948/92409—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
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92428—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
    • B29C2948/92504—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
    • 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
    • B29C2948/92704—Temperature
    • 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
    • B29C2948/92809—Particular value claimed
    • 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
    • B29C2948/92933—Conveying, transporting or storage of 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92971—Fluids, e.g. for temperature control or of environment
DE8888890081T 1987-04-03 1988-03-30 Verfahren zur dickenregelung eines extrudierten kunststoffgegenstandes. Expired - Lifetime DE3880876D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT81887 1987-04-03

Publications (1)

Publication Number Publication Date
DE3880876D1 true DE3880876D1 (de) 1993-06-17

Family

ID=3500452

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8888890081T Expired - Lifetime DE3880876D1 (de) 1987-04-03 1988-03-30 Verfahren zur dickenregelung eines extrudierten kunststoffgegenstandes.
DE198888890081T Pending DE287551T1 (de) 1987-04-03 1988-03-30 Verfahren zur dickenregelung eines extrudierten kunststoffgegenstandes.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE198888890081T Pending DE287551T1 (de) 1987-04-03 1988-03-30 Verfahren zur dickenregelung eines extrudierten kunststoffgegenstandes.

Country Status (8)

Country Link
US (1) US4882104A (de)
EP (1) EP0287551B1 (de)
JP (1) JPS63272519A (de)
KR (1) KR880012335A (de)
AU (1) AU605265B2 (de)
CA (1) CA1308530C (de)
DE (2) DE3880876D1 (de)
IN (1) IN168898B (de)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT401031B (de) * 1988-11-18 1996-05-28 Cincinnati Milacron Austria Einrichtung zum regeln der wandstärke
JPH02169119A (ja) * 1988-12-22 1990-06-29 Toshiba Corp 板平坦度制御方法
US5158781A (en) * 1989-03-02 1992-10-27 The Conair Group, Inc. Traction apparatus for tubular material
SE500696C2 (sv) * 1989-03-10 1994-08-08 Uponor Nv Förfarande vid extrudering av plaströr
JPH0698671B2 (ja) * 1989-03-30 1994-12-07 トミー機械工業株式会社 溶融押出式フイルム成形の膜厚制御装置
IT1230102B (it) * 1989-04-28 1991-10-05 Brabor Srl Macchina per la produzione di tubi estrusi in materiale sintetico e non, in particolare per tubi di piccolo diametro in polivinilcloruro.
DE3917657C2 (de) * 1989-05-31 1993-09-30 Sikora Industrieelektronik Vorrichtung zur Regelung des Außendurchmessers eines Stranges, insbesondere eines Kabels
DE68907907T2 (de) * 1989-10-17 1993-11-11 Tomi Machinery Mfg Co Ltd Synthetischer Harzfilm, Verfahren und Vorrichtung um die Filmstärke während des Formens gleichmässig zu machen.
DE3936239A1 (de) * 1989-10-31 1991-05-02 Windmoeller & Hoelscher Ringduese fuer strangpressen, vorzugsweise folienblaskopf
DE3936496A1 (de) * 1989-11-02 1991-05-08 Krauss Maffei Ag Zentriervorrichtung fuer einen rohrextrusionskopf
JPH0739128B2 (ja) * 1991-03-29 1995-05-01 鬼怒川ゴム工業株式会社 連続押出加硫ラインの制御装置
DE4236443B4 (de) * 1992-10-28 2005-02-24 Windmöller & Hölscher Kg Verfahren zur Temperaturregelung eines Folienblaskopfes zur Herstellung von Kunststoff-Schlauchfolien
US5470216A (en) * 1993-04-05 1995-11-28 Nippon Petrochmicals Company, Limited Film manufacturing apparatus with bubble controlling sensor
US5462423A (en) * 1993-04-13 1995-10-31 Sencorp Systems, Inc. Apparatus for non-mechanical die lip temperature adjustment in an extruder
US5622732A (en) * 1993-04-13 1997-04-22 Sencorp Systems Inc. Foam sheet extrusion die apparatus, and system with adjustable choke area
CA2153366A1 (en) * 1995-01-31 1996-08-01 Pasta Acquisition Corp. Heating element for a pasta die and a method for extruding pasta
US5674440A (en) * 1995-05-05 1997-10-07 Graham Engineering Corporation Die head with adjustable mandrel and method
DE19541296C2 (de) * 1995-11-06 1999-07-01 Windmoeller & Hoelscher Vorrichtung zur Erwärmung der Foliensektoren eines aus einem Folienblaskopf extrudierten Folienschlauches
US5630982A (en) * 1995-12-12 1997-05-20 Sonoco Products Company Method and apparatus for extruding plastic tubing
IT1285075B1 (it) * 1996-05-03 1998-06-03 Giuseppe Raia Procedimento e dispositivo di trafilatura con estrusione calibrata di tubi e rivestimenti tubolari di precisione in gomma, materia plastica
US6093350A (en) * 1996-08-14 2000-07-25 Owens Corning Fiberglas Technology, Inc. Sealable chamber extrusion apparatus and method with process controls
DE19851531B4 (de) * 1998-11-09 2010-09-02 Sew-Eurodrive Gmbh & Co. Kg Raupenabzug, insbesondere für eine Extrusionsmaschine
NL1012032C2 (nl) * 1999-03-05 2000-09-06 Wavin Bv Werkwijze voor het vervaardigen van een buis van biaxiaal georiënteerd thermoplastisch kunststofmateriaal.
FR2806956B1 (fr) * 2000-03-29 2003-05-09 Alphacan Sa Procede et ligne de fabrication en continu de tubes en matiere plastique avec etirage bi-axial, et tube en matiere plastique obtenu
AU2002359806A1 (en) * 2001-12-21 2003-07-15 Rubbermaid Incorporated Apparatus and method for forming discrete hollow parts
ATE366650T1 (de) * 2003-06-03 2007-08-15 Avery Dennison Corp Düsenaufbau
US7738993B2 (en) * 2003-10-10 2010-06-15 Boston Scientific Scimed, Inc. Extrusion of articles
EP1600278B1 (de) * 2004-05-18 2009-09-02 betacontrol gmbh mess- und regeltechnik Verfahren und Vorrichtung zur Herstellung von flachbahnigen Erzeugnissen
ZA200902052B (en) 2006-10-16 2010-07-28 Strandex Corp Puller speed control device for monitoring the dimension of an extruded synthetic wood composition
DE102007008887B4 (de) * 2007-02-21 2010-02-18 Rattunde & Co Gmbh Messstempel
JP4421654B2 (ja) * 2008-01-16 2010-02-24 日東電工株式会社 加熱発泡シートの製造方法
US8562885B2 (en) * 2009-02-21 2013-10-22 Dow Global Technologies Inc. Multilayer structures having annular profiles and methods and apparatus of making the same
WO2013037042A1 (en) * 2011-09-16 2013-03-21 Exco Technologies Limited Extrusion press container and liner for same
US20140044823A1 (en) * 2012-08-09 2014-02-13 Charles E. Pax Heater for three-dimensional printing
US9707712B2 (en) * 2012-10-10 2017-07-18 Boaz Barry Groman Blow molding techniques
KR20170077206A (ko) * 2014-10-27 2017-07-05 엑스코 테크놀로지스 리미티드 압출 프레스 컨테이너 및 이를 위한 맨틀, 및 방법
DE102017116955B3 (de) * 2017-07-26 2018-11-15 Schlemmer Holding GmbH Verfahren und Vorrichtung zur Fertigungskontrolle eines extrudierten Kunststoffprodukts sowie Extrusionsanlage zum Extrudieren eines derartigen Kunststoffprodukts
DE102018204729A1 (de) * 2018-03-28 2019-10-02 Raumedic Ag Werkzeugkopf für einen Hohlprofil-Extruder
CA3095514A1 (en) * 2019-10-09 2021-04-09 Davis-Standard, Llc A polymeric tube forming apparatus with a multi-dimensional control system
CN113459372A (zh) * 2021-06-30 2021-10-01 深圳市广麟材耀新能源材料科技有限公司 铝塑膜生产工艺
CN113492508A (zh) * 2021-09-09 2021-10-12 日丰新材有限公司 一种塑料实壁管壁厚自动调节设备及调节方法
DE102022210169A1 (de) * 2022-09-27 2024-03-28 Continental Reifen Deutschland Gmbh Computerimplementiertes Verfahren zur Ermittlung eines Schrumpfverhaltens
CN116118155B (zh) * 2023-04-14 2023-06-27 广州超力管业有限公司 一种基于实壁管的双重冷却控制方法及其系统

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US29886A (en) * 1860-09-04 Corh-sheller
BE642865A (de) * 1963-01-23 1900-01-01
FR1248751A (fr) * 1964-03-18 1966-01-10 Appareil vibrant pour la préfabrication de dalles tubulaires, rainurées ou pleines
US3474160A (en) * 1965-04-27 1969-10-21 Industrial Nucleonics Corp Method and apparatus for controlling blown film extruder
FR1492742A (fr) * 1965-09-17 1967-08-18 Marrick Mfg Co Ltd Tête d'extrusion, plus spécialement pour l'extrusion de tubes en matières thermoplastiques à paroi mince
FR1467944A (fr) * 1965-12-23 1967-02-03 Dispositif de régulation de la température d'un cylindre d'extrudeuse
DE1957078C3 (de) * 1969-11-10 1979-09-20 Mannesmann Ag, 4000 Duesseldorf Extruderkopf
NL7014565A (de) * 1970-10-05 1972-04-07
GB1370946A (en) * 1971-05-14 1974-10-16 Wavin Plastics Ltd Extrusion of thermoplastics materials
US3761553A (en) * 1971-06-28 1973-09-25 Celanese Corp Method for producing uniform drawn films
DE2232930A1 (de) * 1971-07-06 1973-02-01 Hepworth Plastics Ltd Verfahren und vorrichtung zur herstellung von rohren unbedingt gleichmaessiger wandstaerke im strangpressverfahren
NL7109900A (de) * 1971-07-16 1973-01-18
NO137266C (no) * 1971-08-11 1978-02-01 Basf Ag Ringdyse for ekstrudere.
FR2157051A5 (en) * 1971-10-15 1973-06-01 Aquitaine Total Organico Pipe extrusion control - with extrudate dimension monitors controlling axiality and output rate
US3819775A (en) * 1972-08-15 1974-06-25 R Mules Method of making polymeric film
GB1448669A (en) * 1972-09-08 1976-09-08 Bakelite Xylonite Ltd Profile determining and/or controlling system
US4000402A (en) * 1974-06-10 1976-12-28 Measurex Corporation Scanning gauge control for sheet processing apparatus
AT362922B (de) * 1975-02-26 1981-06-25 Cincinnati Milacron Austria Strangpresse
US4027527A (en) * 1975-04-01 1977-06-07 Aluminum Company Of America System for determining tube eccentricity
DE2700003A1 (de) * 1977-01-03 1978-07-06 Reifenhaeuser Kg Anlage zur herstellung von strangpressprofilen
DE2706085C2 (de) * 1977-02-12 1984-02-02 Reifenhäuser KG, 5210 Troisdorf Vorrichtung zum Extrudieren von Rohren aus thermoplastischem Kunststoff
US4137025A (en) * 1977-03-07 1979-01-30 Graves Kenneth E Apparatus for measuring and controlling the wall thickness of plastic pipes
DE2947293C2 (de) * 1979-11-23 1983-09-15 Windmöller & Hölscher, 4540 Lengerich Verfahren zur Regelung der Foliendicke an einer Blasfolien-Extruderanlage
DE3002903C2 (de) * 1980-01-28 1986-12-04 Windmöller & Hölscher, 4540 Lengerich Verfahren zur Regelung der Foliendicke an einer Blasfolienextruderanlage
DE3006566A1 (de) * 1980-02-21 1981-08-27 Windmöller & Hölscher, 4540 Lengerich Verfahren zur regelung der foliendicke von in flachfolien-extrusionsanlagen hergestellten flachfolien
DE3107701A1 (de) * 1980-03-05 1982-01-14 Basf Ag, 6700 Ludwigshafen Verfahren und vorrichtung zur regelung der dicke von extrudierten flachfolien oder platten aus thermoplastischen kunststoffen
DE3014989C2 (de) * 1980-04-18 1991-01-24 Windmöller & Hölscher, 4540 Lengerich Verfahren zur Steuerung der Foliendicke an einer Blasfolienextruderanlage
JPS58148740A (ja) * 1982-02-27 1983-09-03 Fujikura Ltd プラスチツク成形機の樹脂温度制御方法
US4520672A (en) * 1982-08-19 1985-06-04 Saint Amour John D Thickness measuring
US4425289A (en) * 1982-08-30 1984-01-10 The General Tire & Rubber Company Method of producing an extrudate having controlled shape and size
DE3304865A1 (de) * 1983-02-12 1984-08-16 Battenfeld Extrusionstechnik GmbH, 4970 Bad Oeynhausen Verfahren und vorrichtung zum konstanthalten der wandstaerke beim extrudieren von blasfolien, rohren oder rohrfoermigen straengen aus kunststoff
DE3306533A1 (de) * 1983-02-24 1984-08-30 Bm-Elektronik Meletzky Kg, 1000 Berlin Wanddickenprogrammiervorrichtung fuer eine blasformmaschine
US4548570A (en) * 1983-05-12 1985-10-22 Cosden Technology, Inc. Extrusion apparatus for producing thermoplastic pipe
US4512943A (en) * 1983-05-20 1985-04-23 Cosden Technology, Inc. Extrusion process for producing thermoplastic pipe
NL8304451A (nl) * 1983-12-27 1985-07-16 Wavin Bv Werkwijze en inrichting voor het regelen van de wanddikte van geextrudeerde kunststofbuis.
EP0180571A3 (de) * 1984-09-11 1986-11-26 Erwin Hartl Strangpressdüsen-Anordnung und automatisch zentrierendes Strangpress-Verfahren
US4719808A (en) * 1985-04-26 1988-01-19 Siemens Aktiengesellschaft Temperature-compensated ultrasonic measurement of wall thickness
DE3518155A1 (de) * 1985-05-21 1986-11-27 Reifenhäuser GmbH & Co Maschinenfabrik, 5210 Troisdorf Verfahren zur herstellung einer kunststoffolie mit geringer dickentoleranz
US4740146A (en) * 1986-07-25 1988-04-26 Peter Angelbeck Apparatus for measuring and controlling the wall thickness of plastic pipes

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DE287551T1 (de) 1989-03-30
CA1308530C (en) 1992-10-13
IN168898B (de) 1991-07-06
EP0287551B1 (de) 1993-05-12
US4882104A (en) 1989-11-21
KR880012335A (ko) 1988-11-26
AU1381988A (en) 1988-10-06
JPS63272519A (ja) 1988-11-10
AU605265B2 (en) 1991-01-10
EP0287551A1 (de) 1988-10-19

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