FR2421048A1 - Dispositif d'extrusion de matiere plastique - Google Patents
Dispositif d'extrusion de matiere plastiqueInfo
- Publication number
- FR2421048A1 FR2421048A1 FR7908045A FR7908045A FR2421048A1 FR 2421048 A1 FR2421048 A1 FR 2421048A1 FR 7908045 A FR7908045 A FR 7908045A FR 7908045 A FR7908045 A FR 7908045A FR 2421048 A1 FR2421048 A1 FR 2421048A1
- Authority
- FR
- France
- Prior art keywords
- single head
- regulators
- temp
- extruded
- flow divider
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/695—Flow dividers, e.g. breaker plates
- B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
- B29C48/71—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows for layer multiplication
-
- 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
- B29C48/0013—Extrusion moulding in several steps, i.e. components merging outside the die
- B29C48/0015—Extrusion moulding in several steps, i.e. components merging outside the die producing hollow articles having components brought in contact outside the extrusion die
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
- B29C48/255—Flow control means, e.g. valves
-
- 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
- B29C48/03—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
- B29C48/11—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels comprising two or more partially or fully enclosed cavities, e.g. honeycomb-shaped
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Moulding By Coating Moulds (AREA)
- Steroid Compounds (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Abstract
Dispositif à tête d'extrusion pour la fabrication d'un tuyau en matière plastique constitué de deux tubes élémentaires concentriques, par exemple pour la fabrication de tuyaux en chlorure de polyvinyle présentant une paroi extérieure à rainures tranversales et une paroi intérieure essentiellement lisse, caractérisé en ce qu'il comprend une seule tête d'extrusion rectiligne 1 comportant une buse 5, une partie intermédiaire 6 et un mandrin 2, ladite partie intermédiaire 6 divisant l'écoulement de matière plastique A introduit en amont en deux écoulements concentriques B, C, cette partie intermédiaire 6 étant avantageusement fixée sur la buse 5.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0223278A AT374737B (de) | 1978-03-30 | 1978-03-30 | Spritzkopf |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2421048A1 true FR2421048A1 (fr) | 1979-10-26 |
FR2421048B1 FR2421048B1 (fr) | 1985-01-25 |
Family
ID=3530477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7908045A Expired FR2421048B1 (fr) | 1978-03-30 | 1979-03-30 | Dispositif d'extrusion de matiere plastique |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS54135858A (fr) |
AT (1) | AT374737B (fr) |
DE (1) | DE2911833C3 (fr) |
FI (1) | FI791002A (fr) |
FR (1) | FR2421048B1 (fr) |
IT (1) | IT1165652B (fr) |
NL (1) | NL190957C (fr) |
NO (1) | NO156160C (fr) |
SE (1) | SE433057B (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0230055A2 (fr) * | 1986-01-15 | 1987-07-29 | Manfred Arno Alfred Lupke | Filière d'extrusion pour la fabrication de tuyauterie à deux couches |
EP0243516A1 (fr) * | 1986-04-28 | 1987-11-04 | UNICOR GmbH Rahn Plastmaschinen | Dispositif pour l'extrusion d'un tube en matière plastique à double paroi |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4128654C2 (de) * | 1991-08-29 | 1995-05-18 | Wolfgang Mayer | Mehrschichtiges Leitungsrohr aus Kunststoff und Verfahren zu dessen Herstellung |
DE19640928A1 (de) * | 1996-10-04 | 1998-04-09 | Ralph Peter Dr Ing Hegler | Vorrichtung zur Herstellung von Kunststoff-Verbund-Rohren |
DE19835189C2 (de) | 1998-08-04 | 2001-02-08 | Unicor Rohrsysteme Gmbh | Vorrichtung zur kontinuierlichen Herstellung von nahtlosen Kunststoffrohren |
DE19956880B4 (de) * | 1999-11-26 | 2004-07-08 | Henco Industries Nv | Kunststoffrohr mit umgebenden Rippenrohr |
DE102006037885A1 (de) | 2006-08-11 | 2008-02-14 | Unicor Gmbh | Spritzkopf für einen Corrugator |
DE102010046501B4 (de) | 2010-09-24 | 2013-12-12 | Unitec Gmbh Technische Entwicklungen | Vorrichtung bzw. Werkzeug zum kontinuierlichen Herstellen von flexiblen ein- oder mehrlagigen und materialsparenden Kunststoff-Wellrohren in Verbindung mit Wellrohrformmaschinen und umlaufenden Formkokillen. |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1154035A (fr) * | 1956-06-26 | 1958-04-01 | Plax Corp | Perfectionnements aux procédés et aux appareils de formation de tubes ou de feuilles à plusieurs couches en matière thermoplastique |
US3372429A (en) * | 1963-03-04 | 1968-03-12 | Kato Seisakusho Kk | Manufacture of double-walled hollow plastic product |
US3758354A (en) * | 1969-10-18 | 1973-09-11 | Gunze Kobunshi Kogyo Co Ltd | Manufacture of multi ply board of thermoplastic material |
FR2397933A1 (fr) * | 1977-07-22 | 1979-02-16 | Usinage Tubes Pour Electr | Dispositif pour la fabrication d'un tube annele en matiere plastique avec gaine interieure lisse |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB994567A (en) * | 1964-04-30 | 1965-06-10 | Gnii Plasticheskykh Mass | Double-wall tube and die for extruding the same |
US3280430A (en) * | 1965-05-24 | 1966-10-25 | Acme Hamilton Mfg Corp | Apparatus for making corrugated plastic tubing |
AT325299B (de) * | 1967-02-27 | 1975-10-10 | Hegler Wilhelm | Vorrichtung zur herstellung von rohren aus thermoplastischem kunststoff |
DE2413877C3 (de) * | 1974-03-22 | 1979-02-01 | Hegler, Wilhelm, 8730 Bad Kissingen | Extrusionskopf zum kontinuierlichen Ummanteln eines Rohres oder Kabels |
DE2461340C3 (de) * | 1974-12-24 | 1980-10-23 | Hermann Dipl.-Ing. 7000 Stuttgart Staehle | Spritzkopf für Hohlkörper-Blasmaschinen zur Erzeugung von zwei Hohlsträngen aus thermoplastischem Kunststoff |
NL7500386A (nl) * | 1975-01-13 | 1976-07-15 | Wavin Bv | Werkwijze en inrichting voor het vervaardigen van een kunststofbuis met langwerpige kanalen in de wand. |
JPS534214A (en) * | 1976-07-01 | 1978-01-14 | Tokan Kogyo Co Ltd | Multiiwalled pipe of synthetic resin and forming method |
-
1978
- 1978-03-30 AT AT0223278A patent/AT374737B/de not_active IP Right Cessation
-
1979
- 1979-03-26 NL NL7902354A patent/NL190957C/xx not_active IP Right Cessation
- 1979-03-26 DE DE2911833A patent/DE2911833C3/de not_active Expired - Lifetime
- 1979-03-26 FI FI791002A patent/FI791002A/fi not_active Application Discontinuation
- 1979-03-27 SE SE7902743A patent/SE433057B/sv not_active IP Right Cessation
- 1979-03-29 NO NO791040A patent/NO156160C/no unknown
- 1979-03-29 IT IT67653/79A patent/IT1165652B/it active
- 1979-03-30 FR FR7908045A patent/FR2421048B1/fr not_active Expired
- 1979-03-30 JP JP3825379A patent/JPS54135858A/ja active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1154035A (fr) * | 1956-06-26 | 1958-04-01 | Plax Corp | Perfectionnements aux procédés et aux appareils de formation de tubes ou de feuilles à plusieurs couches en matière thermoplastique |
US3372429A (en) * | 1963-03-04 | 1968-03-12 | Kato Seisakusho Kk | Manufacture of double-walled hollow plastic product |
US3758354A (en) * | 1969-10-18 | 1973-09-11 | Gunze Kobunshi Kogyo Co Ltd | Manufacture of multi ply board of thermoplastic material |
FR2397933A1 (fr) * | 1977-07-22 | 1979-02-16 | Usinage Tubes Pour Electr | Dispositif pour la fabrication d'un tube annele en matiere plastique avec gaine interieure lisse |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0230055A2 (fr) * | 1986-01-15 | 1987-07-29 | Manfred Arno Alfred Lupke | Filière d'extrusion pour la fabrication de tuyauterie à deux couches |
EP0230055A3 (en) * | 1986-01-15 | 1988-11-23 | Manfred Arno Alfred Lupke | Extrusion die for manufacturing two-ply plastic tubing |
EP0243516A1 (fr) * | 1986-04-28 | 1987-11-04 | UNICOR GmbH Rahn Plastmaschinen | Dispositif pour l'extrusion d'un tube en matière plastique à double paroi |
Also Published As
Publication number | Publication date |
---|---|
NO791040L (no) | 1979-10-02 |
SE433057B (sv) | 1984-05-07 |
DE2911833A1 (de) | 1979-10-04 |
DE2911833C3 (de) | 1994-07-07 |
NL190957C (nl) | 1994-11-16 |
IT1165652B (it) | 1987-04-22 |
NO156160B (no) | 1987-04-27 |
NL190957B (nl) | 1994-06-16 |
AT374737B (de) | 1984-05-25 |
DE2911833C2 (fr) | 1988-07-14 |
JPS6260256B2 (fr) | 1987-12-15 |
SE7902743L (sv) | 1979-10-01 |
ATA223278A (de) | 1983-10-15 |
FR2421048B1 (fr) | 1985-01-25 |
NL7902354A (nl) | 1979-10-02 |
NO156160C (no) | 1987-08-05 |
JPS54135858A (en) | 1979-10-22 |
FI791002A (fi) | 1979-10-01 |
IT7967653A0 (it) | 1979-03-29 |
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