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 constantInfo
- 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
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.
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 |
CH944477A CH615860A5 (fr) | 1976-07-30 | 1977-07-29 | |
GB32249/77A GB1590542A (en) | 1976-07-30 | 1977-07-29 | Method and apparatus for modifying the thickness of extruded material |
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)
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 |
-
1977
- 1977-06-10 FR FR7717902A patent/FR2393667A2/fr active Granted
- 1977-08-02 DE DE19772734831 patent/DE2734831A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FR2393667B2 (fr) | 1980-04-04 |
DE2734831A1 (de) | 1978-12-21 |
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