FR2393667A2 - Procede et dispositif pour modifier l'epaisseur d'un corps extrude a debit constant - Google Patents

Procede et dispositif pour modifier l'epaisseur d'un corps extrude a debit constant

Info

Publication number
FR2393667A2
FR2393667A2 FR7717902A FR7717902A FR2393667A2 FR 2393667 A2 FR2393667 A2 FR 2393667A2 FR 7717902 A FR7717902 A FR 7717902A FR 7717902 A FR7717902 A FR 7717902A FR 2393667 A2 FR2393667 A2 FR 2393667A2
Authority
FR
France
Prior art keywords
draw
extrusion
units
pipe
extruder
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
FR7717902A
Other languages
English (en)
Other versions
FR2393667B2 (fr
Inventor
Andre Emile Rene Lagabe
Bernard Andre Prevotat
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.)
Pont a Mousson SA
Original Assignee
Pont a Mousson 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 Pont a Mousson SA filed Critical Pont a Mousson SA
Priority to FR7717902A priority Critical patent/FR2393667A2/fr
Priority to MX169741A priority patent/MX144554A/es
Priority to NL7707749A priority patent/NL7707749A/xx
Priority to AR268505A priority patent/AR213529A1/es
Priority to US05/817,648 priority patent/US4157235A/en
Priority to CA283,429A priority patent/CA1092313A/fr
Priority to OA56238A priority patent/OA05723A/fr
Priority to IT68762/77A priority patent/IT1083600B/it
Priority to BR7704953A priority patent/BR7704953A/pt
Priority to GB32249/77A priority patent/GB1590542A/en
Priority to CH944477A priority patent/CH615860A5/fr
Priority to ES461162A priority patent/ES461162A1/es
Priority to DE19772734831 priority patent/DE2734831A1/de
Publication of FR2393667A2 publication Critical patent/FR2393667A2/fr
Application granted granted Critical
Publication of FR2393667B2 publication Critical patent/FR2393667B2/fr
Granted 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
    • 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
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
    • 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
    • B29C48/03—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
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • 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
    • B29L2023/00—Tubular articles
    • B29L2023/003—Tubular articles having irregular or rough surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

Ce procédé est du type décrit dans le brevet principal, dans le cas où l'on déplace l'extrudeuse A1 par rapport à l'étireuse B1, qui est fixé. Suivant l'addition, on asservit en permanence la vitesse d'entraînement de l'extrudeuse à la vitesse de rotation des organes de roulement.
FR7717902A 1976-07-30 1977-06-10 Procede et dispositif pour modifier l'epaisseur d'un corps extrude a debit constant Granted FR2393667A2 (fr)

Priority Applications (13)

Application Number Priority Date Filing Date Title
FR7717902A FR2393667A2 (fr) 1977-06-10 1977-06-10 Procede et dispositif pour modifier l'epaisseur d'un corps extrude a debit constant
MX169741A MX144554A (es) 1976-07-30 1977-07-05 Mejoras a procedimiento y sistema para modificar el espesor de un cuerpo extruido a caudal constante
NL7707749A NL7707749A (nl) 1976-07-30 1977-07-12 Werkwijze en inrichting voor het modificeren van de dikte van een met een constant debiet geextru- deerd lichaam.
AR268505A AR213529A1 (es) 1976-07-30 1977-07-20 Procedimiento e instalacion para modificar el espesor de un cuerpo extrusionado a caudal constante
US05/817,648 US4157235A (en) 1976-07-30 1977-07-21 Device for modifying the thickness of a body extruded at a constant rate
CA283,429A CA1092313A (fr) 1976-07-30 1977-07-25 Procede et dispositif pour modifier l'epaisseur d'un corps extrude a debit constant
OA56238A OA05723A (fr) 1976-07-30 1977-07-26 Procédé et dispositif pour modifier l'épaisseur d'un corps extrudé à débit constant
IT68762/77A IT1083600B (it) 1976-07-30 1977-07-28 Procedimento e dispositivo per modificare lo spessore di un corpo estruso particolarmente di un tubo di materia termoplastica
BR7704953A BR7704953A (pt) 1976-07-30 1977-07-28 Processo para modificar a espessura de um corpo,e instalacao de extrusao
GB32249/77A GB1590542A (en) 1976-07-30 1977-07-29 Method and apparatus for modifying the thickness of extruded material
CH944477A CH615860A5 (fr) 1976-07-30 1977-07-29
ES461162A ES461162A1 (es) 1976-07-30 1977-07-29 Procedimiento e instalacion para modificar el espesor de un cuerpo extrusionado a caudal constante.
DE19772734831 DE2734831A1 (de) 1977-06-10 1977-08-02 Verfahren und vorrichtung zur aenderung der dicke eines mit konstantem durchsatz extrudierten koerpers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7717902A FR2393667A2 (fr) 1977-06-10 1977-06-10 Procede et dispositif pour modifier l'epaisseur d'un corps extrude a debit constant

Publications (2)

Publication Number Publication Date
FR2393667A2 true FR2393667A2 (fr) 1979-01-05
FR2393667B2 FR2393667B2 (fr) 1980-04-04

Family

ID=9191978

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7717902A Granted FR2393667A2 (fr) 1976-07-30 1977-06-10 Procede et dispositif pour modifier l'epaisseur d'un corps extrude a debit constant

Country Status (2)

Country Link
DE (1) DE2734831A1 (fr)
FR (1) FR2393667A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT408862B (de) 1997-12-22 2002-03-25 Technoplast Kunststofftechnik Vorrichtung zum abkühlen und kalibrieren von extrudierten kunststoffprofilen
EP1739119A1 (fr) * 2005-06-29 2007-01-03 Bayer MaterialScience AG Procédé pour le traitement de profilés en matière plastique

Also Published As

Publication number Publication date
FR2393667B2 (fr) 1980-04-04
DE2734831A1 (de) 1978-12-21

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