GB2179802B - Shaping tool unit for an extrusion press - Google Patents

Shaping tool unit for an extrusion press

Info

Publication number
GB2179802B
GB2179802B GB8619214A GB8619214A GB2179802B GB 2179802 B GB2179802 B GB 2179802B GB 8619214 A GB8619214 A GB 8619214A GB 8619214 A GB8619214 A GB 8619214A GB 2179802 B GB2179802 B GB 2179802B
Authority
GB
United Kingdom
Prior art keywords
lip
groups
piezoelectric
unit
voltage source
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
Application number
GB8619214A
Other languages
English (en)
Other versions
GB8619214D0 (en
GB2179802A (en
Inventor
Bernhard Erckmann
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.)
Reifenhaeuser GmbH and Co KG Maschinenenfabrik
Original Assignee
Reifenhaeuser GmbH and Co KG Maschinenenfabrik
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 Reifenhaeuser GmbH and Co KG Maschinenenfabrik filed Critical Reifenhaeuser GmbH and Co KG Maschinenenfabrik
Publication of GB8619214D0 publication Critical patent/GB8619214D0/en
Publication of GB2179802A publication Critical patent/GB2179802A/en
Application granted granted Critical
Publication of GB2179802B publication Critical patent/GB2179802B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/802—Circuitry or processes for operating piezoelectric or electrostrictive devices not otherwise provided for, e.g. drive circuits
    • 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
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/31—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections
    • B29C48/313—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections by positioning the die lips
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
    • 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
    • B29C48/03—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB8619214A 1985-08-24 1986-08-06 Shaping tool unit for an extrusion press Expired GB2179802B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853530383 DE3530383A1 (de) 1985-08-24 1985-08-24 Formgebendes werkzeugaggregat fuer eine strangpressvorrichtung fuer thermoplastifizierten kunststoff

Publications (3)

Publication Number Publication Date
GB8619214D0 GB8619214D0 (en) 1986-09-17
GB2179802A GB2179802A (en) 1987-03-11
GB2179802B true GB2179802B (en) 1989-05-10

Family

ID=6279336

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8619214A Expired GB2179802B (en) 1985-08-24 1986-08-06 Shaping tool unit for an extrusion press

Country Status (6)

Country Link
US (1) US4721447A (enExample)
JP (1) JPS6251422A (enExample)
DE (1) DE3530383A1 (enExample)
FR (1) FR2586372B1 (enExample)
GB (1) GB2179802B (enExample)
IT (1) IT1197857B (enExample)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3740088C1 (de) * 1987-11-26 1988-11-10 Reifenhaeuser Masch Verfahren zur Herstellung einer Folie aus thermoplastischem Kunststoff
US4958100A (en) * 1989-02-22 1990-09-18 Massachusetts Institute Of Technology Actuated truss system
DE4013610A1 (de) * 1989-10-26 1991-05-02 Reifenhaeuser Masch Verfahren zum betrieb einer blasfolien-extruderanlage und fuer das verfahren eingerichtete blasfolien-extruderanlage
DE4000530A1 (de) * 1989-10-26 1991-05-02 Reifenhaeuser Masch Verfahren zur herstellung einer kunststoffolie aus thermoplastischem kunststoff
DE3936496A1 (de) * 1989-11-02 1991-05-08 Krauss Maffei Ag Zentriervorrichtung fuer einen rohrextrusionskopf
DE8915137U1 (de) * 1989-12-23 1990-02-08 Röhm GmbH, 64293 Darmstadt Extrusionsdüse zur Herstellung von Hohlkammerplatten
US5089739A (en) * 1990-03-19 1992-02-18 Brother Kogyo Kabushiki Kaisha Laminate type piezoelectric actuator element
DE4042534C3 (de) * 1990-04-27 1997-12-04 Reifenhaeuser Masch Verfahren zur Herstellung einer Kunststoffolie sowie zum Aufwickeln der Kunststoffolie zu einem Coil
DE4013611C2 (de) * 1990-04-27 1994-03-31 Reifenhaeuser Masch Verfahren zur Herstellung einer Kunststoffolie sowie zum Aufwickeln der Kunststoffolie zu einem Coil
US5206557A (en) * 1990-11-27 1993-04-27 Mcnc Microelectromechanical transducer and fabrication method
US5170103A (en) * 1991-05-20 1992-12-08 University Of Kentucky Research Foundation Active vibration control device
US5266021A (en) * 1991-10-10 1993-11-30 Jacobson Theodore L Apparatus for continuous forming of complex molded shapes
US5479061A (en) * 1992-12-31 1995-12-26 University Of North Carolina Pleated sheet microelectromechanical transducer
US6007319A (en) * 1993-11-30 1999-12-28 Continuous Molding, Inc. Continuous forming of complex molded shapes
DE19535930C1 (de) * 1995-09-27 1997-01-09 Heinz Dr Ing Gros Vorrichtung zur veränderlichen Begrenzung eines flachen Fließkanals und Verfahren zum Austragen einer Massebahn mit veränderlicher Geometrie
AU5707796A (en) * 1996-03-26 1997-10-17 Mats Bexell An actuator motor and a method for fabrication of such an actuator
CN1083776C (zh) * 1996-07-26 2002-05-01 西铁城钟表株式会社 打印机用步进马达的传动结构
US6707230B2 (en) * 2001-05-29 2004-03-16 University Of North Carolina At Charlotte Closed loop control systems employing relaxor ferroelectric actuators
DE10321705A1 (de) * 2003-05-14 2004-12-02 Marco Systemanalyse Und Entwicklung Gmbh Piezoelektrisches Antriebselement
US6979189B2 (en) * 2003-07-16 2005-12-27 Rex Baxter Apparatus and method for adjusting component features
DE102005014784B4 (de) * 2005-03-31 2013-07-18 Continental Automotive Gmbh Stellgebersystem, Stellgeber sowie Steuereinheit und Verfahren zum Ansteuern des Stellgebers
DE102005017410A1 (de) * 2005-04-15 2006-10-19 Schaeffler Kg Elektrische Stellvorrichtung zur variablen Betätigung eines Gaswechselventils
EP2248197A1 (en) * 2008-01-28 2010-11-10 Technion Research & Development Foundation LTD. Piezoelectric-ferroelectric actuator device
DE102009058467B4 (de) 2009-12-16 2012-12-06 Andritz Küsters Gmbh Vorhang-Auftragswerk
DE102010010872A1 (de) 2010-03-10 2011-09-15 Heinz Gross Fließkanal mit verstellbarer Geometrie
DE102019201650A1 (de) 2019-02-08 2020-08-13 Pi Ceramic Gmbh Verfahren zur Herstellung eines piezoelektrischen Stapelaktors und piezoelektrischer Stapelaktor, vorzugsweise hergestellt nach dem Verfahren

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1073830A (en) * 1964-10-19 1967-06-28 Du Pont Apparatus and process for forming uniform layers of viscous material
GB1105566A (en) * 1965-04-28 1968-03-06 Aeroprojects Inc Mounting member for vibratory device and extrusion apparatus incorporating the same
GB1477456A (en) * 1973-07-12 1977-06-22 Cav Ltd Fluid pressure generators

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2938231A (en) * 1958-10-02 1960-05-31 Blaw Knox Co Plastic extrusion die
US3610969A (en) * 1970-02-06 1971-10-05 Mallory & Co Inc P R Monolithic piezoelectric resonator for use as filter or transformer
US3819775A (en) * 1972-08-15 1974-06-25 R Mules Method of making polymeric film
US3940221A (en) * 1973-09-10 1976-02-24 Welex Incorporated Thickness control system for an extrusion die
US4011474A (en) * 1974-10-03 1977-03-08 Pz Technology, Inc. Piezoelectric stack insulation
US4125350A (en) * 1976-04-19 1978-11-14 Sweetheart Plastic, Inc. Mechanical die adjustment mechanism
US4384230A (en) * 1980-11-06 1983-05-17 United Technologies Corporation Digital piezoelectric actuator
JPS5917876A (ja) * 1982-02-12 1984-01-30 West Electric Co Ltd 圧電駆動装置
JPS58218183A (ja) * 1982-06-14 1983-12-19 Nippon Soken Inc 電歪式アクチユエ−タとその製造方法
US4471256A (en) * 1982-06-14 1984-09-11 Nippon Soken, Inc. Piezoelectric actuator, and valve apparatus having actuator
JPS5916722A (ja) * 1982-07-20 1984-01-27 Toray Ind Inc 口金のスリツト間隙調整装置
DE3315184C1 (de) * 1983-04-27 1984-06-28 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Verfahren und Strangpresseinrichtung zum UEberwachen der Herstellung von Profilen aus einer oder mehreren Kautschuk- oder Kunststoffmischungen
JPS60210418A (ja) * 1984-04-04 1985-10-22 Mitsubishi Heavy Ind Ltd 厚み制御用ダイ
DE3427915C1 (de) * 1984-07-28 1986-03-06 Reifenhäuser GmbH & Co Maschinenfabrik, 5210 Troisdorf Kalibrieraggregat einer Strangpressvorrichtung fuer thermoplastifizierten Kunststoff
DE3427912C1 (de) * 1984-07-28 1986-03-06 Reifenhäuser GmbH & Co Maschinenfabrik, 5210 Troisdorf Strangpressaggregat fuer das Strangpressen von thermoplastifiziertem Kunststoff

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1073830A (en) * 1964-10-19 1967-06-28 Du Pont Apparatus and process for forming uniform layers of viscous material
GB1105566A (en) * 1965-04-28 1968-03-06 Aeroprojects Inc Mounting member for vibratory device and extrusion apparatus incorporating the same
GB1477456A (en) * 1973-07-12 1977-06-22 Cav Ltd Fluid pressure generators

Also Published As

Publication number Publication date
IT8621448A0 (it) 1986-08-08
DE3530383C2 (enExample) 1987-11-12
JPS6251422A (ja) 1987-03-06
FR2586372A1 (fr) 1987-02-27
IT1197857B (it) 1988-12-21
DE3530383A1 (de) 1987-03-05
US4721447A (en) 1988-01-26
IT8621448A1 (it) 1988-02-08
FR2586372B1 (fr) 1989-03-31
GB8619214D0 (en) 1986-09-17
GB2179802A (en) 1987-03-11

Similar Documents

Publication Publication Date Title
GB2179802B (en) Shaping tool unit for an extrusion press
EP0186861A3 (en) Method of and apparatus for extruding thermoplastic resin
AU1206988A (en) Process of producing thermoplastic resin sheet and the like and equipment therefor
ES8301749A1 (es) Una matriz de extrusion para la coextrusion de materiales plasticos en forma de pelicula tubular.
JPS53134866A (en) Screw press for processing plastics rubber and plastic material
GB2047607B (en) Multiple stage apparatus for plasticising and extruding plastic material
ATE40073T1 (de) Schneckenextruder.
EP0340407A3 (en) Planetary roller extruder for compounding and extruding plastic masses
GB2177042B (en) A screw extrusion press having barrel temperature control means
GB1423220A (en) Extruder for plastic material particularly thermoplastic or non-crosslinked elastomeric materials
EP0179315A3 (en) Single screw extruder for thermoplastics and elastomers
AU7089487A (en) A method for regulating the working and the output of plastic material in extrusion moulding
DE3560522D1 (en) Apparatus for producing flat profiles from plastic caoutchouc or synthetic material mixtures of various compositions by extrusion moulding
BR8803523A (pt) Aparelho para extrusao e conformacao de preformas a partir de um material suscetivel de escoamento plastico
EP0213510A3 (en) Screw for molding thermoplastic resin
EP0122886A3 (en) An electric thermal unit for controllably heating cylinders in extruders and injection presses for plastic materials, rubber drawing machines, and the like apparata, having two coaxial interspaces for circulating ventilation air therethrough
DE59508778D1 (de) Vorrichtung zum Beschicken von Spritzgiess- und Extrudereinheiten
GB2003080B (en) Screw extruder for the continuous extrusion of thermoplastic materials
ZA85184B (en) Extrusion die head assembly for plastic pelletizers
CA2057603A1 (en) Extruder for Poorly Miscible Extrudates
EP0265420A3 (en) Extrusion die for extruding plastics materials
ATA9886A (de) Stiftverstelleinrichtung an einem stiftextruder fuer die verarbeitung von kautschuk, thermoplastischen kunststoffen od.dgl.
AU567398B2 (en) Dough extruder with heating means
ATE74059T1 (de) Vorrichtung fuer die herstellung von kunststoffolien.
MY103077A (en) Web slitter

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee