CA1090904A - Method and apparatus for controlling the thickness of extruded stock - Google Patents

Method and apparatus for controlling the thickness of extruded stock

Info

Publication number
CA1090904A
CA1090904A CA285,545A CA285545A CA1090904A CA 1090904 A CA1090904 A CA 1090904A CA 285545 A CA285545 A CA 285545A CA 1090904 A CA1090904 A CA 1090904A
Authority
CA
Canada
Prior art keywords
weigh
scale
running
extrusion
average
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
CA285,545A
Other languages
English (en)
French (fr)
Inventor
Anthony M. Apicella, Jr.
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.)
Goodyear Tire and Rubber Co
Original Assignee
Goodyear Tire and Rubber Co
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 Goodyear Tire and Rubber Co filed Critical Goodyear Tire and Rubber Co
Application granted granted Critical
Publication of CA1090904A publication Critical patent/CA1090904A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G11/00—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers
    • G01G11/08—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers having means for controlling the rate of feed or discharge
    • G01G11/12—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers having means for controlling the rate of feed or discharge by controlling the speed of the belt
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D5/00—Control of dimensions of material
    • G05D5/02—Control of dimensions of material of thickness, e.g. of rolled material
    • G05D5/03—Control of dimensions of material of thickness, e.g. of rolled material characterised by the use of electric means
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C2037/90—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
    • B29C2948/9218—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
    • B29C2948/92504—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
    • B29C2948/92638—Length
    • 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
    • B29C2948/92933—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
    • B29C2948/92952—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
    • 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
    • B29C48/07—Flat, e.g. panels
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/38—Textile inserts, e.g. cord or canvas layers, for tyres; Treatment of inserts prior to building the tyre
    • B29D30/44—Stretching or treating the layers before application on the drum
    • B29D2030/4437—Adjusting the dimensions of the layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/38—Textile inserts, e.g. cord or canvas layers, for tyres; Treatment of inserts prior to building the tyre
    • B29D30/44—Stretching or treating the layers before application on the drum
    • B29D2030/4437—Adjusting the dimensions of the layers
    • B29D2030/4456—Adjusting the dimensions of the layers by using speed differences, e.g. between conveyors or between conveyor and drum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Tyre Moulding (AREA)
CA285,545A 1976-09-24 1977-08-26 Method and apparatus for controlling the thickness of extruded stock Expired CA1090904A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US726,712 1976-09-24
US05/726,712 US4088721A (en) 1976-09-24 1976-09-24 Method and apparatus for controlling the thickness of extruded stock

Publications (1)

Publication Number Publication Date
CA1090904A true CA1090904A (en) 1980-12-02

Family

ID=24919703

Family Applications (1)

Application Number Title Priority Date Filing Date
CA285,545A Expired CA1090904A (en) 1976-09-24 1977-08-26 Method and apparatus for controlling the thickness of extruded stock

Country Status (11)

Country Link
US (2) US4088721A (enExample)
JP (1) JPS5917944B2 (enExample)
AU (1) AU509672B2 (enExample)
BR (1) BR7706267A (enExample)
CA (1) CA1090904A (enExample)
DE (1) DE2742984C2 (enExample)
FR (1) FR2365430A1 (enExample)
GB (1) GB1560820A (enExample)
IT (1) IT1086386B (enExample)
NL (1) NL7710211A (enExample)
ZA (1) ZA775064B (enExample)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
US4474716A (en) * 1979-10-05 1984-10-02 Krupp-Kautex Maschinenbau Gmbh Controlling an extrusion blowing process
JPS5811129A (ja) * 1981-07-14 1983-01-21 Bridgestone Corp 制御機構を備えた押出機
FR2528350A1 (fr) * 1982-06-11 1983-12-16 Briand Jean Patrick Procede de fabrication en continu de produits en matiere thermoplastique, chargee ou non, enveloppes d'au moins une feuille d'un materiau souple, installation pour la mise en oeuvre de ce procede et produits obtenus
US4425289A (en) 1982-08-30 1984-01-10 The General Tire & Rubber Company Method of producing an extrudate having controlled shape and size
US4428896A (en) 1982-08-30 1984-01-31 The General Tire & Rubber Company Method of producing an extrudate of controlled size and shape from a roller die
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
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
DE3434904C1 (de) * 1984-09-22 1985-10-17 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Verfahren und Anlage zum UEberwachen der Abmessungen eines aus einer oder mehreren Mischungen bestehenden,kontinuierlich extrudierten Profilbandes aus Kautschuk oder thermoplastischem Kunststoff
GB8505199D0 (en) * 1985-02-28 1985-04-03 Bicc Plc Extrusion control
DE3526050C2 (de) * 1985-07-20 1994-11-17 Krupp Ag Hoesch Krupp Verfahren zum Betreiben eines Extruders
IT1185704B (it) * 1985-09-11 1987-11-12 Milani Resine Spa Apparecchiatura automatica per la selezione e la regolazione di barre di profilato in macchine produttrici di profilati plastici estrusi
US4758398A (en) * 1986-10-07 1988-07-19 The Dexter Corporation Method of manufacture preforms
US4844846A (en) * 1988-01-15 1989-07-04 The Uniroyal Goodrich Tire Company Method and apparatus for controlling the weight per unit length of a continuous extrudate
US4899298A (en) * 1988-02-25 1990-02-06 Overhoff Mario W High resolution measurement of moving materials using a scintillation detector
DE3902405C1 (enExample) * 1989-01-27 1990-03-08 Paul Troester Maschinenfabrik, 3000 Hannover, De
US5149478A (en) * 1991-11-18 1992-09-22 The Standard Products Company Forming decorative trim strips from continuous extrusions
US5205367A (en) * 1991-12-23 1993-04-27 Wacker Silicones Corporation Stacker-cutter-weigher
IT1257108B (it) * 1992-09-18 1996-01-05 Iveco Fiat Metodo ad apparecchiatura di preparazione di cariche di materiale plastico per l'alimentazione di una pressa di stampaggio.
DE19507598C2 (de) * 1995-03-04 1997-02-20 Uniroyal Englebert Gmbh Mehrkomponentenextruder
JP4556328B2 (ja) * 2000-12-27 2010-10-06 横浜ゴム株式会社 帯状ゴム部材の搬送，転写方法及びその装置
ITTO20040914A1 (it) * 2004-12-28 2005-03-28 Bridgestone Technical Ct Europ Macchina e metodo per l'applicazione di un battistrada ad una carcassa di un pneumatico
KR100713694B1 (ko) * 2005-03-22 2007-05-04 (주) 케이엔엘 트레드 제조장치 및 제조방법
DE102005028231A1 (de) * 2005-06-17 2006-12-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Konzept zum Überwachen der Herstellung von aus mehreren Materiallagen bestehenden Objekten
US8123510B1 (en) * 2008-03-24 2012-02-28 Ebert Composite Corporation Thermoplastic pultrusion die system and method
US8747098B1 (en) 2008-03-24 2014-06-10 Ebert Composites Corporation Thermoplastic pultrusion die system and method
DE102010018527A1 (de) * 2010-04-27 2011-10-27 Kautex Textron Gmbh & Co. Kg Verfahren zur Herstellung von Hohlkörpern aus thermoplastischem Kunststoff
US9127457B2 (en) * 2012-07-10 2015-09-08 King Saud University Machine for deforming and cutting plastic strips for enhancing concrete
EP3137061A1 (de) * 2014-04-30 2017-03-08 Acino Supply AG Verfahren und vorrichtung zur herstellung einer pharmazeutischen zusammensetzung
JP7524621B2 (ja) * 2020-06-09 2024-07-30 住友ゴム工業株式会社 シート状ゴム材料の製造装置及びその製造方法
CN113124985B (zh) * 2021-03-29 2023-01-24 赛轮集团股份有限公司 一种适用于压出米秤的动态校验方法
CN120756065B (zh) * 2025-09-08 2025-11-14 江苏通用科技股份有限公司 一种压出胶种在线不停机切换排空工艺

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US2965050A (en) * 1957-02-20 1960-12-20 Industrial Nucleonics Corp Measurement and controlling system for a dough machine
US3265786A (en) * 1962-11-23 1966-08-09 Allied Chem Method and apparatus for producing shaped polyurethane foam strip
US3496344A (en) * 1964-06-19 1970-02-17 Industrial Nucleonics Corp Statistical variance component analysis of sheet materials and the like using frequency-domain filter techniques
US3852578A (en) * 1970-02-03 1974-12-03 Industrial Nucleonics Corp Control system and method for machine or process having dead time
US3890078A (en) * 1972-01-31 1975-06-17 Industrial Nucleonics Corp Noninteracting extruder control
US3930922A (en) * 1972-06-12 1976-01-06 Industrial Nucleonics Corporation Process control
US3843434A (en) * 1972-06-12 1974-10-22 Industrial Nucleonics Corp Process control
US3844870A (en) * 1972-06-12 1974-10-29 Industrial Nucleonics Corp Process control system
US3875383A (en) * 1973-03-29 1975-04-01 Industrial Nucleonics Corp Control system for average value setpoint
US3930774A (en) * 1973-07-24 1976-01-06 Industrial Nucleonics Corporation Extruder controller
DE2433242A1 (de) * 1974-07-11 1976-01-29 Gofini Ag Verfahren zum betrieb einer anlage zur herstellung eines kunststoffprofilstranges und fuer das verfahren ausgeruestete anlage
US3975126A (en) * 1974-08-28 1976-08-17 Amf Incorporated Method and apparatus for forming material having a predefined cross-section

Also Published As

Publication number Publication date
AU2830177A (en) 1979-03-08
ZA775064B (en) 1978-07-26
JPS5917944B2 (ja) 1984-04-24
FR2365430B1 (enExample) 1980-08-01
BR7706267A (pt) 1978-05-09
US4088721A (en) 1978-05-09
FR2365430A1 (fr) 1978-04-21
DE2742984C2 (de) 1984-11-22
AU509672B2 (en) 1980-05-22
DE2742984A1 (de) 1978-03-30
IT1086386B (it) 1985-05-28
US4156913A (en) 1979-05-29
NL7710211A (nl) 1978-03-29
GB1560820A (en) 1980-02-13
JPS5340086A (en) 1978-04-12

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