FR2304952A1 - Procede et dispositif pour la regulation de l'epaisseur d'une feuille plastique extrudee - Google Patents

Procede et dispositif pour la regulation de l'epaisseur d'une feuille plastique extrudee

Info

Publication number
FR2304952A1
FR2304952A1 FR7509369A FR7509369A FR2304952A1 FR 2304952 A1 FR2304952 A1 FR 2304952A1 FR 7509369 A FR7509369 A FR 7509369A FR 7509369 A FR7509369 A FR 7509369A FR 2304952 A1 FR2304952 A1 FR 2304952A1
Authority
FR
France
Prior art keywords
thickness
sheet
control
max
extrusion rate
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.)
Granted
Application number
FR7509369A
Other languages
English (en)
French (fr)
Other versions
FR2304952B1 (enExample
Inventor
Jean-Michel Poulet
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.)
Lesieur Cotelle et Associes SA
Lesieur Cotelle SA
Original Assignee
Lesieur Cotelle et Associes SA
Lesieur Cotelle SA
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 Lesieur Cotelle et Associes SA, Lesieur Cotelle SA filed Critical Lesieur Cotelle et Associes SA
Priority to FR7509369A priority Critical patent/FR2304952A1/fr
Publication of FR2304952A1 publication Critical patent/FR2304952A1/fr
Application granted granted Critical
Publication of FR2304952B1 publication Critical patent/FR2304952B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92447—Moulded article
    • 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
    • B29C2948/92819—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
    • B29C48/08—Flat, e.g. panels flexible, e.g. films

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)
FR7509369A 1975-03-20 1975-03-20 Procede et dispositif pour la regulation de l'epaisseur d'une feuille plastique extrudee Granted FR2304952A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7509369A FR2304952A1 (fr) 1975-03-20 1975-03-20 Procede et dispositif pour la regulation de l'epaisseur d'une feuille plastique extrudee

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7509369A FR2304952A1 (fr) 1975-03-20 1975-03-20 Procede et dispositif pour la regulation de l'epaisseur d'une feuille plastique extrudee

Publications (2)

Publication Number Publication Date
FR2304952A1 true FR2304952A1 (fr) 1976-10-15
FR2304952B1 FR2304952B1 (enExample) 1977-11-18

Family

ID=9153071

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7509369A Granted FR2304952A1 (fr) 1975-03-20 1975-03-20 Procede et dispositif pour la regulation de l'epaisseur d'une feuille plastique extrudee

Country Status (1)

Country Link
FR (1) FR2304952A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4515738A (en) * 1983-04-27 1985-05-07 Hermann Berstorff Maschinenbau Gmbh Method of monitoring the production of extruded profiles and an apparatus incorporating means for effecting such monitoring
EP0124188A3 (en) * 1983-04-13 1985-12-18 Ford Motor Company Limited Controlling an adhesive laying machine
EP0218850A1 (de) * 1985-09-25 1987-04-22 Kunststoff-Verarbeitungs GmbH Dirk A. Brügmann Verfahren zur Ermittlung einer proportionalen Veränderung eines Profils

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0124188A3 (en) * 1983-04-13 1985-12-18 Ford Motor Company Limited Controlling an adhesive laying machine
US4515738A (en) * 1983-04-27 1985-05-07 Hermann Berstorff Maschinenbau Gmbh Method of monitoring the production of extruded profiles and an apparatus incorporating means for effecting such monitoring
EP0218850A1 (de) * 1985-09-25 1987-04-22 Kunststoff-Verarbeitungs GmbH Dirk A. Brügmann Verfahren zur Ermittlung einer proportionalen Veränderung eines Profils

Also Published As

Publication number Publication date
FR2304952B1 (enExample) 1977-11-18

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