BE868687A - METHOD AND APPARATUS FOR THE PRODUCTION OF MULTI-LAYER PIPES IN THERMOPLASTIC MATERIALS - Google Patents
METHOD AND APPARATUS FOR THE PRODUCTION OF MULTI-LAYER PIPES IN THERMOPLASTIC MATERIALSInfo
- Publication number
- BE868687A BE868687A BE189031A BE189031A BE868687A BE 868687 A BE868687 A BE 868687A BE 189031 A BE189031 A BE 189031A BE 189031 A BE189031 A BE 189031A BE 868687 A BE868687 A BE 868687A
- Authority
- BE
- Belgium
- Prior art keywords
- production
- thermoplastic materials
- layer pipes
- pipes
- layer
- 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
- B29C48/335—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
- 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
- B29C48/30—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
- B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
- B29C48/327—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections with centering means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81204177A | 1977-07-01 | 1977-07-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE868687A true BE868687A (en) | 1978-11-03 |
Family
ID=25208307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE189031A BE868687A (en) | 1977-07-01 | 1978-07-03 | METHOD AND APPARATUS FOR THE PRODUCTION OF MULTI-LAYER PIPES IN THERMOPLASTIC MATERIALS |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5439481A (en) |
BE (1) | BE868687A (en) |
FR (1) | FR2396230A1 (en) |
GB (1) | GB2000570A (en) |
IT (1) | IT1158868B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3001705C2 (en) * | 1980-01-18 | 1984-10-18 | Wavin B.V., Zwolle | Centering device for molding tools of extrusion presses |
US4465449A (en) * | 1982-12-06 | 1984-08-14 | Borg-Warner Chemicals, Inc. | Coextrusion feedblock for making lightweight, rigid thermoplastic pipe |
JPS6422541A (en) * | 1987-07-17 | 1989-01-25 | Idemitsu Petrochemical Co | Multi-layer material |
DE4135336C2 (en) * | 1991-10-26 | 1993-10-21 | Rehau Ag & Co | Process for extruding multilayer pipes |
US7584771B2 (en) | 2002-05-07 | 2009-09-08 | Durr Systems, Inc. | Method and apparatus for delivering paint to an applicator and flushing same |
ATE312670T1 (en) * | 2002-05-07 | 2005-12-15 | Duerr Systems Gmbh | METHOD AND DEVICE FOR SUPPLYING PAINT TO AN APPLICATION DEVICE AND FOR FLUSHING IT |
JP2013043412A (en) * | 2011-08-26 | 2013-03-04 | Sekisui Chem Co Ltd | Die for multi-layered tube |
DE102013220746A1 (en) * | 2013-10-14 | 2015-04-16 | Battenfeld-Cincinnati Austria Gmbh | Apparatus and method for cooling plastic profiles |
-
1978
- 1978-06-29 IT IT25135/78A patent/IT1158868B/en active
- 1978-06-30 JP JP7876478A patent/JPS5439481A/en active Pending
- 1978-06-30 GB GB7828443A patent/GB2000570A/en not_active Withdrawn
- 1978-07-03 FR FR7819751A patent/FR2396230A1/en active Granted
- 1978-07-03 BE BE189031A patent/BE868687A/en unknown
Also Published As
Publication number | Publication date |
---|---|
IT7825135A0 (en) | 1978-06-29 |
JPS5439481A (en) | 1979-03-26 |
IT1158868B (en) | 1987-02-25 |
FR2396230B3 (en) | 1981-02-06 |
GB2000570A (en) | 1979-01-10 |
FR2396230A1 (en) | 1979-01-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE878948A (en) | APPARATUS AND METHOD FOR MIXING MATERIAL | |
FR2352593B1 (en) | METHOD AND APPARATUS FOR THE GENERATION OF ATOMIZED AND MIXED FLUIDS | |
BE864046A (en) | METHOD AND APPARATUS FOR DETECTING THE PRESENCE OF MICROORGANISMS | |
FR2431135B1 (en) | METHOD AND APPARATUS FOR FORMING ULTRASONIC IMAGES | |
FR2300545A1 (en) | METHOD AND APPARATUS FOR COLLECTING MATERIALS | |
BE873899A (en) | METHOD AND APPARATUS FOR COATING SHEETS | |
BE882513A (en) | PROCESS AND APPARATUS FOR THE PRODUCTION OF CHLORINE | |
FR2337331A1 (en) | ULTRASONIC METHOD AND APPARATUS FOR MEASURING THE WALL THICKNESS OF TUBULAR ELEMENTS | |
FR2297378A1 (en) | PROCESS AND APPARATUS FOR PASSING AN OBJECT INSIDE A PIPE | |
FR2325493A1 (en) | PROCESS AND APPARATUS FOR EXTRUSION OF SYNTHETIC MATERIALS AND SIMILAR MATERIALS | |
BE856399A (en) | IMMUNOADSORBANT POLYMER AND PROCESS FOR PRODUCING IT | |
FR2328380A1 (en) | METHOD AND APPARATUS FOR LAYING BURIED MEMBRANES | |
FR2344836A1 (en) | ULTRA-SOUND WELD INSPECTION PROCESS AND APPARATUS | |
FR2306146A1 (en) | FLUIDIFICATION PROCESS AND APPARATUS | |
FR2332097A1 (en) | PROCESS AND APPARATUS FOR THE REALIZATION OF HELICOIDAL TRACKS | |
FR2347174A1 (en) | DEVICE AND METHOD FOR THE CONTINUOUS PRODUCTION OF ALVEOLAR SHEETS | |
BE864756A (en) | METHOD AND APPARATUS FOR SEPARATION OF MATERIALS | |
FR2349092A1 (en) | METHOD AND APPARATUS FOR CONNECTING UNDERWATER PIPES | |
BE874410A (en) | METHOD AND APPARATUS FOR MEASURING THE MATERIAL LOSS MODULE | |
BE865376A (en) | METHOD AND APPARATUS FOR MANUFACTURING NON-FABRICS | |
FR2336192A1 (en) | APPARATUS AND METHOD FOR STAGE EXTRUSION | |
BE868687A (en) | METHOD AND APPARATUS FOR THE PRODUCTION OF MULTI-LAYER PIPES IN THERMOPLASTIC MATERIALS | |
FR2443475B1 (en) | PROCESS AND APPARATUS FOR DEMONOMIZING POLYCAPRONAMIDE | |
FR2500953B1 (en) | CAPACITOR AND METHOD AND APPARATUS FOR THE PRODUCTION THEREOF | |
BE862000A (en) | APPARATUS AND METHOD FOR INSPECTING THE CONTOUR OF ARTICLES |