FR2290290A1 - Dispositif et procede pour extruder une pellicule d'un polymere - Google Patents
Dispositif et procede pour extruder une pellicule d'un polymereInfo
- Publication number
- FR2290290A1 FR2290290A1 FR7529837A FR7529837A FR2290290A1 FR 2290290 A1 FR2290290 A1 FR 2290290A1 FR 7529837 A FR7529837 A FR 7529837A FR 7529837 A FR7529837 A FR 7529837A FR 2290290 A1 FR2290290 A1 FR 2290290A1
- Authority
- FR
- France
- Prior art keywords
- film
- ancillary
- lips
- extrudate
- lateral contraction
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
- B29C48/9165—Electrostatic pinning
-
- 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
-
- 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
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1992875 | 1975-05-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2290290A1 true FR2290290A1 (fr) | 1976-06-04 |
FR2290290B1 FR2290290B1 (fr) | 1977-12-16 |
Family
ID=10137475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7529837A Granted FR2290290A1 (fr) | 1975-05-12 | 1975-09-26 | Dispositif et procede pour extruder une pellicule d'un polymere |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2290290A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4389181A (en) * | 1981-09-24 | 1983-06-21 | Kimberly-Clark Corporation | Wide band extruder nozzle |
US4986746A (en) * | 1988-08-11 | 1991-01-22 | Diafoil Company, Limited | Apparatus for preparing polymer film |
EP1190834A3 (fr) * | 2000-09-26 | 2003-12-03 | Toray Industries, Inc. | Méthode pour fabriquer une feuille et filière plate pour produire cette feuille |
WO2005070651A1 (fr) * | 2004-01-23 | 2005-08-04 | E.I. Dupont De Nemours And Company | Rouleaux de polyvinylbutyral presentant des bords epais par rapport a l'interieur du rouleau et procede pour leur preparation |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2308034A (en) * | 1941-04-07 | 1943-01-12 | Eastman Kodak Co | Film forming apparatus |
US2329421A (en) * | 1940-07-31 | 1943-09-14 | Du Pont | Apparatus |
FR1078952A (fr) * | 1951-08-23 | 1954-11-24 | Kodak Pathe | Procédé et dispositif pour la fabrication de produits en feuille continue |
FR1148780A (fr) * | 1955-02-03 | 1957-12-13 | Kodak Pathe | Machine de coulée de films |
FR1519930A (fr) * | 1966-03-17 | 1968-04-05 | Agfa Gevaert Nv | Extrudeuse perfectionnée pour films thermoplastiques plans |
FR2158370A1 (en) * | 1971-11-01 | 1973-06-15 | Fuji Photo Film Co Ltd | Extruded resin coating - using die with projections enclosing slot to reduce shrinkage |
-
1975
- 1975-09-26 FR FR7529837A patent/FR2290290A1/fr active Granted
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2329421A (en) * | 1940-07-31 | 1943-09-14 | Du Pont | Apparatus |
US2308034A (en) * | 1941-04-07 | 1943-01-12 | Eastman Kodak Co | Film forming apparatus |
FR1078952A (fr) * | 1951-08-23 | 1954-11-24 | Kodak Pathe | Procédé et dispositif pour la fabrication de produits en feuille continue |
FR1148780A (fr) * | 1955-02-03 | 1957-12-13 | Kodak Pathe | Machine de coulée de films |
FR1519930A (fr) * | 1966-03-17 | 1968-04-05 | Agfa Gevaert Nv | Extrudeuse perfectionnée pour films thermoplastiques plans |
FR2158370A1 (en) * | 1971-11-01 | 1973-06-15 | Fuji Photo Film Co Ltd | Extruded resin coating - using die with projections enclosing slot to reduce shrinkage |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4389181A (en) * | 1981-09-24 | 1983-06-21 | Kimberly-Clark Corporation | Wide band extruder nozzle |
US4986746A (en) * | 1988-08-11 | 1991-01-22 | Diafoil Company, Limited | Apparatus for preparing polymer film |
EP1190834A3 (fr) * | 2000-09-26 | 2003-12-03 | Toray Industries, Inc. | Méthode pour fabriquer une feuille et filière plate pour produire cette feuille |
WO2005070651A1 (fr) * | 2004-01-23 | 2005-08-04 | E.I. Dupont De Nemours And Company | Rouleaux de polyvinylbutyral presentant des bords epais par rapport a l'interieur du rouleau et procede pour leur preparation |
US7572399B2 (en) | 2004-01-23 | 2009-08-11 | E.I. Du Pont De Nemours And Company | Polyvinylbutyral rolls having thick edges relative to the interior of the roll and a process for preparing same |
Also Published As
Publication number | Publication date |
---|---|
FR2290290B1 (fr) | 1977-12-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2290290A1 (fr) | Dispositif et procede pour extruder une pellicule d'un polymere | |
ES400983A1 (es) | Procedimiento y dispositivo para moldear en forma continua materiales termoplasticos extruidos huecos. | |
CH549455A (fr) | Procede de fabrication d'un film tubulaire en matiere plastique, installation pour la mise en oeuvre de ce procede et film obtenu par ce procede. | |
MX171902B (es) | Un metodo para la fabricacion de hojas de resina termoplastica | |
FR1602792A (en) | Combined extrusion and injection moulding equipment for | |
GB995591A (en) | Packaging film and a method for its preparation | |
FR2455967A1 (fr) | Procede de realisation d'un film thermoplastique a relief et dispositif pour sa mise en oeuvre | |
JPS56157319A (en) | Manufacture of fresnel lens | |
ES408641A1 (es) | Procedimiento para la fabricacion de perfilados de plasti- co. | |
GB2043527A (en) | Process for producing plastic foils with increased surface friction | |
GB1526918A (en) | Process for producing an extruded thermoplastic polymer sheet | |
ES412945A1 (es) | Procedimiento para la produccion de una pelicula de clorurode polivinilo orientada longitudinalmente. | |
ZA702209B (en) | Process for the continuous production of a layer of polymer material on the surface of a web of multi-layer sheet material | |
GB1528225A (en) | Method for the manufacture of collar stiffeners | |
GB1016011A (en) | Improvements in and relating to extrusion processes | |
FR2113892A1 (en) | Biaxial film stretching - with loosely turning pressure rollers in direction of guideways | |
NL6918540A (en) | Combined extrusion and injection moulding equipment for | |
FR2221263A1 (en) | Extruded sheet with closures for plastics bags - can be made in varying widths using movable nozzles | |
FR2351765A1 (fr) | Pellicule en matiere plastique pour operations de formage, notamment de moulage sous pression reduite | |
SE7511800L (sv) | Polyamidfolie och forfarande for dess framstellning | |
FR2391835A1 (fr) | Procede d'extrusion de film plastique, dispositif mettant en oeuvre ledit procede, film plastique produit et application notamment a la fabrication de rubans encreurs | |
GB1269542A (en) | Improvements in or relating to the embossing of films | |
JPS55158924A (en) | Manufacture of embossed sheet | |
FR2405813A1 (fr) | Procede pour la reception de feuilles ou plaques extrudees a leur sortie de la filiere d'extrusion, et dispositif pour sa mise en oeuvre | |
JPS52107044A (en) | Thermoplastic resin rolling film for packaging or process for production of sheets |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |