FR2427897A1 - Procede d'extrusion et filiere chaude pour sa mise en oeuvre - Google Patents
Procede d'extrusion et filiere chaude pour sa mise en oeuvreInfo
- Publication number
- FR2427897A1 FR2427897A1 FR7817377A FR7817377A FR2427897A1 FR 2427897 A1 FR2427897 A1 FR 2427897A1 FR 7817377 A FR7817377 A FR 7817377A FR 7817377 A FR7817377 A FR 7817377A FR 2427897 A1 FR2427897 A1 FR 2427897A1
- Authority
- FR
- France
- Prior art keywords
- die
- wall thickness
- melt
- adjustment
- pipe extrusion
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/252—Drive or actuation means; Transmission means; Screw supporting means
- B29C48/2528—Drive or actuation means for non-plasticising purposes, e.g. dosing unit
-
- 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
-
- 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
- B29C48/13—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
- 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
Suivant l'invention, pour modifier l'épaisseur du corps 7 extrudé, on modifie le volume de la cavité 37 de la filière chaude 2 tout en maintenant constante la vitesse linéaire d'étirage du tube.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7817377A FR2427897A1 (fr) | 1978-06-09 | 1978-06-09 | Procede d'extrusion et filiere chaude pour sa mise en oeuvre |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7817377A FR2427897A1 (fr) | 1978-06-09 | 1978-06-09 | Procede d'extrusion et filiere chaude pour sa mise en oeuvre |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2427897A1 true FR2427897A1 (fr) | 1980-01-04 |
FR2427897B1 FR2427897B1 (fr) | 1981-04-17 |
Family
ID=9209326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7817377A Granted FR2427897A1 (fr) | 1978-06-09 | 1978-06-09 | Procede d'extrusion et filiere chaude pour sa mise en oeuvre |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2427897A1 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0105142A1 (fr) * | 1982-09-08 | 1984-04-11 | BASF Aktiengesellschaft | Appareil d'extrusion de résines thermoplastiques |
FR2633554A1 (fr) * | 1988-07-04 | 1990-01-05 | Solvay | Procede pour realiser, par coextrusion, un tuyau allege et filiere pour sa realisation |
WO1998056565A1 (fr) * | 1997-06-12 | 1998-12-17 | Crompton & Knowles Corporation | Commande electrique pour tete a mouler par soufflage |
EP2538091A1 (fr) * | 2010-02-16 | 2012-12-26 | Alexandr Nikolayevich Kurasov | Procédé de changement de la résistance d'un liquide et récipient pour liquide |
EP2546044A1 (fr) * | 2011-07-13 | 2013-01-16 | Wavin B.V. | Dispositif d'extrusion de tuyau et procédé d'extrusion de tuyaux en plastique |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU30832A1 (fr) * | 1900-01-01 | |||
US3221371A (en) * | 1963-03-25 | 1965-12-07 | Stevens Alexander Michael | Extruding dies |
US3245115A (en) * | 1963-11-29 | 1966-04-12 | American Can Co | Thermoplastic accumulator |
US3280847A (en) * | 1961-09-19 | 1966-10-25 | Dow Chemical Co | Extrusion die |
US3420926A (en) * | 1962-11-13 | 1969-01-07 | Monsanto Co | Method for selectively controlling the extrusion of plastic material |
FR2119465A5 (fr) * | 1970-12-22 | 1972-08-04 | Sig Schweiz Industrieges | |
US3706827A (en) * | 1968-03-28 | 1972-12-19 | Ici Ltd | Method for flow rate control |
-
1978
- 1978-06-09 FR FR7817377A patent/FR2427897A1/fr active Granted
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU30832A1 (fr) * | 1900-01-01 | |||
US3280847A (en) * | 1961-09-19 | 1966-10-25 | Dow Chemical Co | Extrusion die |
US3420926A (en) * | 1962-11-13 | 1969-01-07 | Monsanto Co | Method for selectively controlling the extrusion of plastic material |
US3221371A (en) * | 1963-03-25 | 1965-12-07 | Stevens Alexander Michael | Extruding dies |
US3245115A (en) * | 1963-11-29 | 1966-04-12 | American Can Co | Thermoplastic accumulator |
US3706827A (en) * | 1968-03-28 | 1972-12-19 | Ici Ltd | Method for flow rate control |
FR2119465A5 (fr) * | 1970-12-22 | 1972-08-04 | Sig Schweiz Industrieges |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0105142A1 (fr) * | 1982-09-08 | 1984-04-11 | BASF Aktiengesellschaft | Appareil d'extrusion de résines thermoplastiques |
FR2633554A1 (fr) * | 1988-07-04 | 1990-01-05 | Solvay | Procede pour realiser, par coextrusion, un tuyau allege et filiere pour sa realisation |
BE1006667A3 (fr) * | 1988-07-04 | 1994-11-16 | Solvay | Procede pour realiser, par coextrusion, un tuyau allege et filiere pour sa realisation. |
WO1998056565A1 (fr) * | 1997-06-12 | 1998-12-17 | Crompton & Knowles Corporation | Commande electrique pour tete a mouler par soufflage |
EP2538091A1 (fr) * | 2010-02-16 | 2012-12-26 | Alexandr Nikolayevich Kurasov | Procédé de changement de la résistance d'un liquide et récipient pour liquide |
EP2538091A4 (fr) * | 2010-02-16 | 2013-12-11 | Alexandr Nikolayevich Kurasov | Procédé de changement de la résistance d'un liquide et récipient pour liquide |
EP2546044A1 (fr) * | 2011-07-13 | 2013-01-16 | Wavin B.V. | Dispositif d'extrusion de tuyau et procédé d'extrusion de tuyaux en plastique |
Also Published As
Publication number | Publication date |
---|---|
FR2427897B1 (fr) | 1981-04-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |