BE829649A - Procede d'extrusion d'une feuille de matiere synthetique presentant de faibles variations d'epaisseur - Google Patents

Procede d'extrusion d'une feuille de matiere synthetique presentant de faibles variations d'epaisseur

Info

Publication number
BE829649A
BE829649A BE156839A BE156839A BE829649A BE 829649 A BE829649 A BE 829649A BE 156839 A BE156839 A BE 156839A BE 156839 A BE156839 A BE 156839A BE 829649 A BE829649 A BE 829649A
Authority
BE
Belgium
Prior art keywords
extrusion
sheet
thickness
synthetic material
material showing
Prior art date
Application number
BE156839A
Other languages
English (en)
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 filed Critical
Publication of BE829649A publication Critical patent/BE829649A/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0005—Direct recuperation and re-use of scrap material during moulding operation, i.e. feed-back of used material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
    • B29B7/603—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material in measured doses, e.g. proportioning of several materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B29B7/726—Measuring properties of mixture, e.g. temperature or density
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B29B7/728—Measuring data of the driving system, e.g. torque, speed, power, vibration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B29B7/885—Adding charges, i.e. additives with means for treating, e.g. milling, the charges
    • 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
    • B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
    • B29C31/04—Feeding of the material to be moulded, e.g. into a mould cavity
    • B29C31/06—Feeding of the material to be moulded, e.g. into a mould cavity in measured doses, e.g. by weighting
    • 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
    • B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
    • B29C31/04—Feeding of the material to be moulded, e.g. into a mould cavity
    • B29C31/10—Feeding of the material to be moulded, e.g. into a mould cavity of several materials
    • 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
    • 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
    • B29C48/275—Recovery or reuse of energy or materials
    • B29C48/277—Recovery or reuse of energy or materials of materials
    • 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
    • B29C48/286—Raw material dosing
    • 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
    • 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
    • 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
    • B29C48/365—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pumps, e.g. piston pumps
    • B29C48/37—Gear pumps
    • 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
    • B29C2948/92085—Velocity
    • B29C2948/92104—Flow or feed rate
    • 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
    • B29C2948/92161—Volume or quantity
    • 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
    • B29C2948/92009—Measured parameter
    • B29C2948/92219—Degree of crosslinking, solidification, crystallinity or homogeneity
    • 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
    • B29C2948/92333—Raw material handling or dosing, e.g. active hopper or feeding device
    • 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
    • B29C2948/9238—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
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/926—Flow or feed rate
    • 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
    • B29C2948/92657—Volume or quantity
    • 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
    • B29C2948/92828—Raw material handling or dosing, e.g. active hopper or feeding device
    • 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
    • B29K2031/00—Use of polyvinylesters or derivatives thereof as moulding material
    • B29K2031/04—Polymers of vinyl acetate, e.g. PVAc, i.e. polyvinyl acetate
    • 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
    • B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
    • 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
    • B29L2031/778—Windows
    • B29L2031/7782—Glazing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Robotics (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
BE156839A 1974-06-01 1975-05-29 Procede d'extrusion d'une feuille de matiere synthetique presentant de faibles variations d'epaisseur BE829649A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2426714A DE2426714C3 (de) 1974-06-01 1974-06-01 Verfahren zum Zuführen der Ausgangsmaterialien in eine Schneckenpresse zum Herstellen einer Folienbahn

Publications (1)

Publication Number Publication Date
BE829649A true BE829649A (fr) 1975-09-15

Family

ID=5917148

Family Applications (1)

Application Number Title Priority Date Filing Date
BE156839A BE829649A (fr) 1974-06-01 1975-05-29 Procede d'extrusion d'une feuille de matiere synthetique presentant de faibles variations d'epaisseur

Country Status (10)

Country Link
US (1) US4013745A (fr)
JP (1) JPS6031649B2 (fr)
BE (1) BE829649A (fr)
BR (1) BR7503337A (fr)
CA (1) CA1058362A (fr)
DE (1) DE2426714C3 (fr)
FR (1) FR2275296A1 (fr)
GB (1) GB1505512A (fr)
IT (1) IT1035491B (fr)
SU (1) SU639428A3 (fr)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4353851A (en) * 1977-11-04 1982-10-12 Standard Oil Company (Indiana) On-line reclaim method
US4139309A (en) * 1977-12-09 1979-02-13 E. I. Du Pont De Nemours And Company Apparatus and method
DE2845650B2 (de) * 1978-10-20 1981-02-19 Mannesmann Demag Kunststofftechnik Zweigniederlassung Der Mannesmann Demag Ag, 8500 Nuernberg Verfahren und Vorrichtung zur Herstellung von Kunststoff-Flach- oder Blasfolien
JPS5947980B2 (ja) * 1979-04-05 1984-11-22 積水化学工業株式会社 熱可塑性樹脂の押出方法
DE2940356A1 (de) * 1979-10-05 1981-04-23 Klaus 4803 Steinhagen Kalwar Vorrichtung zum extrudieren einer aus thermoplastischen kunststoffen bestehenden folienbahn
US4431598A (en) * 1980-02-25 1984-02-14 Permacel Process for extruding adhesive films and tapes
US4353967A (en) * 1980-04-25 1982-10-12 Mobil Oil Corporation Multilayer polyacrylonitrile film
US4287147A (en) * 1980-04-25 1981-09-01 Mobil Oil Corporation Multilayer film manufacture utilizing scrap resin
US4350657A (en) * 1980-11-04 1982-09-21 Union Carbide Corporation Low-energy extruder-pump system
US4358550A (en) 1981-07-14 1982-11-09 Hercules Incorporated Process for preparation of aqueous solutions of water-soluble polymers
DE3224324A1 (de) * 1982-06-30 1984-01-05 Basf Ag, 6700 Ludwigshafen Zweistufenverfahren zur herstellung von thermoplastischen polyurethan-elastomeren
US4461734A (en) * 1982-09-13 1984-07-24 Union Carbide Corporation Process for plasticization and pumping of low bulk density plastics
CH663178A5 (de) * 1984-07-12 1987-11-30 Gottlieb Looser Verfahren zur rueckfuehrung von thermoplastfolienabfall, vorrichtung zur durchfuehrung des verfahrens und extruder mit einer solchen vorrichtung.
DE3505036A1 (de) * 1985-02-14 1986-08-14 Werner & Pfleiderer, 7000 Stuttgart Verfahren und vorrichtung zur gesteuerten zugabe von farbkonzentraten in eine schneckenmaschine
DE3523661A1 (de) * 1985-06-28 1987-01-08 Siemens Ag Verfahren zum extrudieren von kunststoff
CA1290528C (fr) * 1985-07-09 1991-10-15 Martin Walsh Methode et dispositif pour la production de matieres thermoplastiques, et produits faits desdites matieres
JPS62179915A (ja) * 1986-02-03 1987-08-07 Idemitsu Petrochem Co Ltd 熱可塑性樹脂シ−トまたはフイルムの製造方法
DE3710418A1 (de) * 1987-02-26 1988-09-08 F W Hundhausen Gmbh & Co Kg Verfahren zur herstellung von extrudierten kunststofferzeugnissen, insbesondere kunststoffrohren
DE3810812A1 (de) * 1988-03-30 1989-10-12 Continental Ag Verfahren zur herstellung von foerderbaendern und anlage zu seiner durchfuehrung
DE8812244U1 (de) * 1988-09-28 1989-02-23 Entex Rust & Mitschke GmbH, 4630 Bochum Extruder
DE8812243U1 (de) * 1988-09-28 1989-08-10 Entex Rust & Mitschke GmbH, 4630 Bochum Extruder
DE8916223U1 (de) * 1989-05-24 1995-09-21 Dingler, Gerhard, 72221 Haiterbach Bauelement
US5122315A (en) * 1990-04-30 1992-06-16 Luwa Corporation Method and appparatus for monitoring and controlling thermoplastic extruder output
US5110521A (en) * 1990-08-17 1992-05-05 Hydreclaim Corporation Hybrid apparatus and method for blending materials
DE4027837C2 (de) * 1990-09-03 1996-01-18 Battenfeld Extrusionstech Gegenläufiger Doppelschnecken-Extruder
DE4110135A1 (de) * 1991-03-27 1992-10-01 Windmoeller & Hoelscher Verfahren und vorrichtung zur bestimmung der von einem extruder aus einem aufgabebehaelter ueber die zeit abgezogenen menge
JPH0735079B2 (ja) * 1991-07-18 1995-04-19 株式会社日本製鋼所 スクラップ混入用原料供給装置
DE4226766C2 (de) * 1992-08-13 1995-02-16 Freudenberg Carl Fa Mehrfarbig gemusterter Bodenbelag sowie Verfahren zu seiner Herstellung
DE4239307A1 (de) * 1992-11-23 1994-05-26 Windmoeller & Hoelscher Verfahren zur Bestimmung der von einem Extruder aus einem Aufgabebehälter über die Zeit abgezogenen Materialmenge
US5372765A (en) * 1993-06-01 1994-12-13 Chi Mei Corporation Continuous process for extrusion of thermoplastic resin
CN1050087C (zh) * 1993-06-11 2000-03-08 奇美实业股份有限公司 热可塑性树脂的直接挤出成型制造方法
US5433593A (en) * 1994-06-02 1995-07-18 Lci Corporation Gear pump mounting assembly for thermoplastic extrusion line
US5677517A (en) * 1994-12-29 1997-10-14 Lci Corporation International Gravimetric weighing hopper
US5772319A (en) * 1997-02-12 1998-06-30 Pemberton; Paul A. Material loader for injection molding press
US6361734B1 (en) * 1997-04-23 2002-03-26 Mitsubishi Polyester Film Corporation Process for producing polyester composition
US6306323B1 (en) * 1997-07-14 2001-10-23 Tyco Electronics Corporation Extrusion of polymers
WO2000053302A1 (fr) * 1997-09-24 2000-09-14 Japan Institute Of Construction Engineering Installation de malaxage continu
US6328919B1 (en) * 1999-02-16 2001-12-11 The Dow Chemical Company Method for extruding polycarbonate of low bulk density
DE19943738C1 (de) * 1999-09-03 2001-03-15 Mannesmann Ag Extruderanlage mit Schneckenextruder und Zahnradextruder
US6499878B1 (en) 1999-12-21 2002-12-31 Pactiv Corporation Reclosable packages with barrier properties
WO2002076705A1 (fr) * 2001-03-23 2002-10-03 Rpc Cobelplast Montonate S.R.L. Tete d'extrusion a largeur reglable pour l'extrusion de polymeres rapidement thermodegradables, et procede d'extrusion mettant en oeuvre cette tete
DE10163409B4 (de) * 2001-12-21 2005-07-14 Krauss-Maffei Kunststofftechnik Gmbh Regelung für einen Spritzgieß-Compounder
US7128853B2 (en) * 2002-09-11 2006-10-31 Mitsuboshi Belting Ltd. Method and apparatus for manufacturing a rubber sheet containing short fibers
EP1666223A1 (fr) * 2004-09-27 2006-06-07 Italrec S.R.L. Compresseur et procédé pour le traitement des matériaux plastiques
JP5879124B2 (ja) * 2011-12-28 2016-03-08 出光興産株式会社 ポリカーボネート樹脂組成物ペレットの製造方法
DE102017126946A1 (de) 2017-11-16 2019-05-16 Kraussmaffei Technologies Gmbh Verfahren zur Herstellung von Kunststoff-Formteilen
IT201800003921A1 (it) * 2018-03-26 2019-09-26 Colines Spa Impianto e metodo per il recupero in linea dei rifili in linee di estrusione di film di materia plastica
EP3808558B1 (fr) * 2019-10-17 2022-01-12 Kuraray Europe GmbH Procédé de séparation de films pvb plastifiés
CN111136886A (zh) * 2019-12-31 2020-05-12 浙江亚设塑业有限公司 一种塑料挤出拉丝机用薄膜挤出速度控制装置
AT525104A1 (de) * 2021-05-18 2022-12-15 Wittmann Tech Gmbh Verfahren zur Verarbeitung von wiederverwendetem oder rezykliertem Schüttgut, insbesondere Feststoffen, wie Granulate, Pulver, Körner, Folien, Schnipsel, o. dgl., vorzugsweise für kunststoffverarbeitende Maschinen und Kunststoffverarbeitungsanlagen hierfür
CN115008717B (zh) * 2022-03-31 2023-09-22 山东齐鲁乙烯化工股份有限公司 用于pvb膜片生产的自动上料挤出设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3150213A (en) * 1960-12-29 1964-09-22 Industrial Nucleonics Corp Regulation of extruder systems
US3391232A (en) * 1964-08-12 1968-07-02 Du Pont Forming process regulation
US3822867A (en) * 1972-10-17 1974-07-09 Improved Machinery Inc Control apparatus and methods for molding machinery

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GB1505512A (en) 1978-03-30
FR2275296B1 (fr) 1979-05-25
JPS6031649B2 (ja) 1985-07-23
SU639428A3 (ru) 1978-12-25
DE2426714B2 (de) 1977-01-13
DE2426714A1 (de) 1975-12-11
IT1035491B (it) 1979-10-20
JPS515365A (fr) 1976-01-17
FR2275296A1 (fr) 1976-01-16
DE2426714C3 (de) 1978-12-14
BR7503337A (pt) 1976-05-25
USB579153I5 (fr) 1976-03-30
US4013745A (en) 1977-03-22
CA1058362A (fr) 1979-07-17

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