DE3682312D1 - Kontrollvorrichtung fuer extruder. - Google Patents

Kontrollvorrichtung fuer extruder.

Info

Publication number
DE3682312D1
DE3682312D1 DE8686301436T DE3682312T DE3682312D1 DE 3682312 D1 DE3682312 D1 DE 3682312D1 DE 8686301436 T DE8686301436 T DE 8686301436T DE 3682312 T DE3682312 T DE 3682312T DE 3682312 D1 DE3682312 D1 DE 3682312D1
Authority
DE
Germany
Prior art keywords
line speed
extruder
metre
throughput
extrudate
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
DE8686301436T
Other languages
English (en)
Inventor
Reginald James Twist
James Howard Hughes
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.)
Balfour Beatty PLC
Original Assignee
BICC PLC
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 BICC PLC filed Critical BICC PLC
Application granted granted Critical
Publication of DE3682312D1 publication Critical patent/DE3682312D1/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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/60—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
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • B29C48/06—Rod-shaped
    • 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
    • B29C48/911—Cooling
    • 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
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
    • 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
    • B29C2948/92019—Pressure
    • 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
    • B29C2948/92047—Energy, power, electric current or voltage
    • 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
    • B29C2948/92323—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
    • B29C2948/92457—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
    • 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
    • B29C2948/92676—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
    • 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
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
    • B29C48/2888—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules in band or in strip form, e.g. rubber strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3462—Cables

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Formation And Processing Of Food Products (AREA)
DE8686301436T 1985-02-28 1986-02-28 Kontrollvorrichtung fuer extruder. Expired - Lifetime DE3682312D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858505199A GB8505199D0 (en) 1985-02-28 1985-02-28 Extrusion control

Publications (1)

Publication Number Publication Date
DE3682312D1 true DE3682312D1 (de) 1991-12-12

Family

ID=10575231

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686301436T Expired - Lifetime DE3682312D1 (de) 1985-02-28 1986-02-28 Kontrollvorrichtung fuer extruder.

Country Status (8)

Country Link
US (1) US4744930A (de)
EP (1) EP0197647B1 (de)
JP (1) JPS61228928A (de)
AT (1) ATE69196T1 (de)
AU (1) AU581959B2 (de)
CA (1) CA1257759A (de)
DE (1) DE3682312D1 (de)
GB (2) GB8505199D0 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2512509B2 (ja) * 1986-07-12 1996-07-03 フライ フィッシング テクノロジー リミテッド 釣糸製造方法及び装置
US4857247A (en) * 1986-08-18 1989-08-15 Technicon Instruments Corporation Method for drawing thermoplastic tubing
JP2691007B2 (ja) * 1989-03-20 1997-12-17 株式会社日立製作所 真空連続処理装置
DE3915279A1 (de) * 1989-05-10 1990-11-15 Troester Maschf Paul Vorrichtung zum steuern von anlagen zur behandlung von in extrudern und/oder kalandern der kautschuk- und/oder kunststoffverarbeitung hergestellten strangfoermigen erzeugnissen
BE1006729A3 (fr) * 1993-02-24 1994-11-29 Eupen Kabelwerk Procede et dispositif pour refroidir un tuyau lors de sa fabrication par extrusion a l'aide de dispersions successives d'un liquide sur la paroi interne.
JP3093518B2 (ja) * 1993-06-02 2000-10-03 株式会社神戸製鋼所 金属線被覆設備の制御方法
FR2708511B1 (fr) * 1993-07-30 1995-09-15 Budendorff Ets Procédé et installation pour la conception de profilé tubulaire avec matière synthétique expansible injectée.
FI94989C (fi) * 1993-12-31 1995-11-27 Maillefer Nokia Holding Toisiopäällystyslinja
US5836680A (en) * 1996-03-26 1998-11-17 The Goodyear Tire & Rubber Company Extruder with feedback loop control
DE19936827A1 (de) * 1999-08-05 2001-03-08 Hosokawa Bepex Gmbh Vorrichtung zum Extrudieren plastischer Massen
RU2168413C1 (ru) * 2000-06-22 2001-06-10 Воронежская государственная технологическая академия Способ автоматического управления экструдером
RU2178739C1 (ru) * 2001-03-11 2002-01-27 Воронежская государственная технологическая академия Способ автоматического управления экструдером
US7060209B2 (en) * 2001-09-10 2006-06-13 Pirelli & C. S.P.A. Extrusion method and apparatus for producing a cable
US8074339B1 (en) 2004-11-22 2011-12-13 The Crane Group Companies Limited Methods of manufacturing a lattice having a distressed appearance
RU2276013C1 (ru) * 2004-11-29 2006-05-10 Государственное образовательное учреждение высшего профессионального образования Воронежская государственная технологическая академия Способ автоматического управления экструдером
JP4587469B2 (ja) * 2005-05-20 2010-11-24 株式会社ブリヂストン ゴム押出装置及びゴム押出量の変動を抑制する方法
US7497241B2 (en) * 2005-07-27 2009-03-03 The Steelastic Company, Llc Tire belt machine
US8167275B1 (en) 2005-11-30 2012-05-01 The Crane Group Companies Limited Rail system and method for assembly
RU2294833C1 (ru) * 2005-11-30 2007-03-10 Государственное образовательное учреждение высшего профессионального образования Воронежская государственная технологическая академия Способ автоматического управления экструдером
US7743567B1 (en) 2006-01-20 2010-06-29 The Crane Group Companies Limited Fiberglass/cellulosic composite and method for molding
US20080099942A1 (en) * 2006-10-26 2008-05-01 Shipman Yvette M Automatic ramping method and system for extrusion coating wire
US7604148B2 (en) 2006-11-15 2009-10-20 The Goodyear Tire & Rubber Company Device for reducing the tension on an elastomeric feed
US8460797B1 (en) 2006-12-29 2013-06-11 Timbertech Limited Capped component and method for forming
US7913960B1 (en) 2007-08-22 2011-03-29 The Crane Group Companies Limited Bracketing system
US9126360B2 (en) * 2009-11-24 2015-09-08 Corning Incorporated Methods of operating an extrusion apparatus
ITUB20159733A1 (it) * 2015-12-17 2017-06-17 Samp Spa Con Unico Socio Impianto di raffreddamento di un cavo

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1217187A (en) * 1968-09-09 1970-12-31 British Insulated Callenders Extrusion method and apparatus
FI50486C (fi) * 1969-12-23 1976-04-12 Kabel Metallwerke Ghh Menetelmä sähkökaapelien tai putkien suulakepuristettujen muovivaippoj en seinämäpaksuuden pitämiseksi vakiona
US3733160A (en) * 1971-03-18 1973-05-15 Standard Oil Co Material handling system for plastic film molding apparatus
US3890078A (en) * 1972-01-31 1975-06-17 Industrial Nucleonics Corp Noninteracting extruder control
US3904338A (en) * 1972-01-31 1975-09-09 Industrial Nucleonics Corp System and method for controlling a machine continuously feeding a sheet to intermittently activated station
CA981411A (en) * 1972-11-14 1976-01-13 Phillips Cables Limited Instrumentation of cellular extrusion
US4168290A (en) * 1976-03-12 1979-09-18 Phillips Petroleum Co. Automatic control of extrusion
DE2634280A1 (de) * 1976-07-28 1978-02-02 Aeg Telefunken Kabelwerke Vorrichtung und verfahren zur regelung der ausstossleistung von extrudern
US4088721A (en) * 1976-09-24 1978-05-09 The Goodyear Tire & Rubber Company Method and apparatus for controlling the thickness of extruded stock
CA1087712A (en) * 1976-11-01 1980-10-14 Northern Telecom Limited Control for wire coating line
SU610185A1 (ru) * 1976-11-23 1978-06-05 Пермский политехнический институт Устройство стабилизации диаметра изолированного провода (кабел )
US4137025A (en) * 1977-03-07 1979-01-30 Graves Kenneth E Apparatus for measuring and controlling the wall thickness of plastic pipes
US4209476A (en) * 1977-05-27 1980-06-24 Harrel, Incorporated Method and apparatus for fabrication of extruded articles
US4097566A (en) * 1977-06-01 1978-06-27 Nucleonics Data Systems Extrusion line control system
US4233255A (en) * 1978-11-29 1980-11-11 Measurex Corporation Method for controlling the thickness or weight of extruded stock
US4244897A (en) * 1979-03-22 1981-01-13 Measurex Corporation Method and apparatus to control the density of products produced from an extrusion process
FR2490516A1 (fr) * 1980-09-01 1982-03-26 Scal Gp Condit Aluminium Procede de controle et de regulation de parametres de marche d'une machine de coulee continue de bandes entre cylindres
CH637062A5 (en) * 1980-09-22 1983-07-15 Maillefer Sa Feed device for an extruder
DD200214A1 (de) * 1981-09-01 1983-03-30 Csaba Villanyi Vorrichtung und verfahren zur extruderstrassenregelung
US4585603A (en) * 1982-03-15 1986-04-29 Showa Electric Wire & Cable Co., Ltd Method for controlling an extrusion line for foamed insulation cables involving use of a plurality of generated and measured electrical signals
US4425289A (en) * 1982-08-30 1984-01-10 The General Tire & Rubber Company Method of producing an extrudate having controlled shape and size
US4514812A (en) * 1982-09-27 1985-04-30 Owens-Illinois, Inc. Method and apparatus for controlling the thickness of a lamina of a coextruded laminate
CH645846A5 (de) * 1982-11-15 1984-10-31 Beta Instr Co Verfahren und vorrichtung zur regelung eines schaumbeschichtungs-extrusionsverfahrens, sowie kabel hergestellt nach diesem verfahren.
GB2130763B (en) * 1982-11-15 1986-05-21 Beta Instr Co Method and apparatus for controlling a cellular foam cable coating extrusion process
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
DE3310484C1 (de) * 1983-03-23 1984-07-12 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Verfahren zur Erzielung eines maximalen Ausstosses eines Doppelschneckenextruders
FR2547531A1 (fr) * 1983-06-16 1984-12-21 Prosymeca Procede et dispositif pour mesurer en fonctionnement sur une machine d'extrusion en continu au moins une caracteristique physique du produit extrude
US4510104A (en) * 1983-10-07 1985-04-09 Rca Corporation Apparatus and method for automatically controlling an extruder for thermoplastic material
JP2512509B2 (ja) * 1986-07-12 1996-07-03 フライ フィッシング テクノロジー リミテッド 釣糸製造方法及び装置

Also Published As

Publication number Publication date
GB2171817B (en) 1988-10-12
US4744930A (en) 1988-05-17
ATE69196T1 (de) 1991-11-15
GB2171817A (en) 1986-09-03
AU5325886A (en) 1986-09-04
AU581959B2 (en) 1989-03-09
EP0197647A3 (en) 1988-08-03
JPS61228928A (ja) 1986-10-13
GB8505199D0 (en) 1985-04-03
GB8605004D0 (en) 1986-04-09
EP0197647B1 (de) 1991-11-06
EP0197647A2 (de) 1986-10-15
CA1257759A (en) 1989-07-25

Similar Documents

Publication Publication Date Title
DE3682312D1 (de) Kontrollvorrichtung fuer extruder.
US3698844A (en) Automatic temperature control system for extruders for molten material
GB1390226A (en) Production of films of uniform thickness
YU47297B (sh) Postupak i aparat za kontrolu mase kontinualnog ekstrudata po jedinici dužine
ES464829A1 (es) Procedimiento de fabricacion de cuerpos huecos de materia termoplastica.
ES483946A1 (es) Procedimiento para extruir polimeros de etileno
AU1206988A (en) Process of producing thermoplastic resin sheet and the like and equipment therefor
EP0390696A3 (de) Vorrichtung zum Kontrollieren der Schichtdicke von durch Schmelzextrusion hergestellten Folien
SE8504367L (sv) Forfarande och anleggning for overvakning av tillverkningen av av en eller flera blandningar bestaende, langstreckta profiler av kautschuck eller termoplastiskt syntetmaterial
GB1413676A (en) Extrusion process control systems
ES8603289A1 (es) Una instalacion de control para un reactor de polimerizaciontubular de olefinas
GB1079299A (en) Method of extrusion
ATE257769T1 (de) Extrusionsvorrichtung und verfahren
GB1315662A (en) Methods of and apparatus for extruding plastic material
ES2111783T3 (es) Dosificacion de agente de expansion en la fabricacion de espumas de material sintetico.
EP0482538A3 (en) Cooling apparatus for a blow extruder
FR2311653A1 (fr) Boudineuse a vis pour l'extrusion autothermique des matieres thermoplastiques
JPS5346682A (en) Depth control method and device employed in thermoplastic resin extrusion process for wire coating etc.
SU549027A1 (ru) Система автоматического регулиро-ВАНий РАзМЕРНыХ пАРАМЕТРОВ эКСТРу-диРуЕМыХ зАгОТОВОК
EP0422833A3 (en) Control system and method for the manufacture of plaster board
SU659399A2 (ru) Схема стабилизации технологических параметров экструдата
JPH0716996B2 (ja) 外径寸法が均一なオレフィン系樹脂発泡体の製造方法
GB1173169A (en) A method and apparatus for Transforming Plastic Material into Solid Chips
JPS55156035A (en) Method of extrusion molding foamed plastic insulated wire
JPH01184116A (ja) 押出成形機

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee