IT1230529B - Procedimento e filiera per l'estrusione di tubi di materiale termoplastico. - Google Patents
Procedimento e filiera per l'estrusione di tubi di materiale termoplastico.Info
- Publication number
- IT1230529B IT1230529B IT8921453A IT2145389A IT1230529B IT 1230529 B IT1230529 B IT 1230529B IT 8921453 A IT8921453 A IT 8921453A IT 2145389 A IT2145389 A IT 2145389A IT 1230529 B IT1230529 B IT 1230529B
- Authority
- IT
- Italy
- Prior art keywords
- extrusion
- tubes
- procedure
- thermoplastic material
- supply chain
- Prior art date
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
- B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
-
- 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- 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
- B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
- B29C48/147—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle
- B29C48/1472—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle at the die nozzle exit zone
-
- 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
- B29C48/30—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
- B29C48/25—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
- B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
- B29C48/336—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die
- B29C48/3363—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die using a layered die, e.g. stacked discs
-
- 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
- B29C2791/00—Shaping characteristics in general
- B29C2791/004—Shaping under special conditions
- B29C2791/007—Using fluid under pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8810976A FR2635482B1 (fr) | 1988-08-16 | 1988-08-16 | Procede et filiere pour l'extrusion de tuyaux en matiere thermoplastique |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8921453A0 IT8921453A0 (it) | 1989-08-04 |
IT1230529B true IT1230529B (it) | 1991-10-28 |
Family
ID=9369383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8921453A IT1230529B (it) | 1988-08-16 | 1989-08-04 | Procedimento e filiera per l'estrusione di tubi di materiale termoplastico. |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE1006642A3 (it) |
DE (1) | DE3926998C2 (it) |
ES (1) | ES2014861A6 (it) |
FR (1) | FR2635482B1 (it) |
GB (1) | GB2221866B (it) |
IT (1) | IT1230529B (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20120562U1 (de) | 2001-12-19 | 2002-04-18 | Topf Kunststofftechnik Gesellschaft Mbh, Kirchdorf | Extrusionswerkzeug |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB683217A (en) * | 1950-01-06 | 1952-11-26 | William Walker & Sons Ltd | Improvements in or relating to extrusion dies for making tubes from rubber, plastic materials and the like |
US3334141A (en) * | 1963-11-18 | 1967-08-01 | Allied Chem | Chlorine initiated liquid phase oxidation of alicyclic hydrocarbons |
US3308508A (en) * | 1964-10-02 | 1967-03-14 | Dow Chemical Co | Die |
DE1923654U (de) * | 1965-07-08 | 1965-09-16 | Henschel Werke Ag | Rohrduesenkopf fuer kunststoff-strangpressen. |
US3409941A (en) * | 1966-09-06 | 1968-11-12 | Phillips Petroleum Co | Apparatus for producing plastic articles |
US3497915A (en) * | 1967-03-16 | 1970-03-03 | Cupples Container Co | Extrusion die |
US3525125A (en) * | 1967-07-12 | 1970-08-25 | Basf Ag | Annular die for extruders,particularly an annular die for the production of blown tubular film and sheeting from expandable thermoplastics |
FR2130735A5 (it) * | 1970-05-29 | 1972-11-10 | Armosig | |
US3899276A (en) * | 1973-05-29 | 1975-08-12 | Beloit Corp | Annular extrusion die with back pressure control |
US4057610A (en) * | 1975-07-25 | 1977-11-08 | Monsanto Company | Hose reinforced with discontinuous fibers oriented in the radial direction |
DE2610972C2 (de) * | 1976-03-16 | 1984-04-12 | Erich 7326 Heiningen Oprach | Vorrichtung zur Herstellung von Rohren o.ä. Hohlsträngen aus thermoplastischem Kunststoff |
FR2494180A1 (fr) * | 1980-11-19 | 1982-05-21 | Comp Generale Electricite | Procede de fabrication de tubes ou profiles curvilignes ou feuilles de materiau plastique a conductibilite thermique elevee anisotrope |
FR2503627A1 (fr) * | 1981-04-09 | 1982-10-15 | Raffinage Cie Francaise | Tete pour l'extrusion d'une paraison tubulaire a au moins une couche de matiere |
US4402658A (en) * | 1981-09-21 | 1983-09-06 | Phillips Petroleum Company | Thermoplastic pipe extrusion die |
DE3233250A1 (de) * | 1982-09-08 | 1984-03-08 | Basf Ag, 6700 Ludwigshafen | Vorrichtung zum strangpressen von thermoplastischen kunststoffen |
-
1988
- 1988-08-16 FR FR8810976A patent/FR2635482B1/fr not_active Expired - Fee Related
-
1989
- 1989-08-04 IT IT8921453A patent/IT1230529B/it active
- 1989-08-10 BE BE8900862A patent/BE1006642A3/fr not_active IP Right Cessation
- 1989-08-14 GB GB8918494A patent/GB2221866B/en not_active Expired - Fee Related
- 1989-08-14 ES ES8902859A patent/ES2014861A6/es not_active Expired - Fee Related
- 1989-08-16 DE DE3926998A patent/DE3926998C2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
BE1006642A3 (fr) | 1994-11-08 |
GB2221866B (en) | 1992-07-01 |
GB2221866A (en) | 1990-02-21 |
DE3926998A1 (de) | 1990-02-22 |
ES2014861A6 (es) | 1990-07-16 |
DE3926998C2 (de) | 2002-01-24 |
FR2635482B1 (fr) | 1991-02-01 |
IT8921453A0 (it) | 1989-08-04 |
GB8918494D0 (en) | 1989-09-20 |
FR2635482A1 (fr) | 1990-02-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970828 |