FR2342838A1 - Procede pour le controle d'une extrudeuse, et extrudeuse mettant en oeuvre ce procede - Google Patents
Procede pour le controle d'une extrudeuse, et extrudeuse mettant en oeuvre ce procedeInfo
- Publication number
- FR2342838A1 FR2342838A1 FR7605949A FR7605949A FR2342838A1 FR 2342838 A1 FR2342838 A1 FR 2342838A1 FR 7605949 A FR7605949 A FR 7605949A FR 7605949 A FR7605949 A FR 7605949A FR 2342838 A1 FR2342838 A1 FR 2342838A1
- Authority
- FR
- France
- Prior art keywords
- melt
- physical properties
- die
- delay
- monitor
- 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
- 238000001125 extrusion Methods 0.000 title abstract 5
- 238000001879 gelation Methods 0.000 title abstract 2
- 238000005259 measurement Methods 0.000 title abstract 2
- 230000000704 physical effect Effects 0.000 title abstract 2
- 239000000155 melt Substances 0.000 abstract 2
- 239000004801 Chlorinated PVC Substances 0.000 abstract 1
- 239000004952 Polyamide Substances 0.000 abstract 1
- 230000000295 complement effect Effects 0.000 abstract 1
- 230000002596 correlated effect Effects 0.000 abstract 1
- 238000013031 physical testing Methods 0.000 abstract 1
- 229920000058 polyacrylate Polymers 0.000 abstract 1
- 229920002647 polyamide Polymers 0.000 abstract 1
- 229920000728 polyester Polymers 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 239000004800 polyvinyl chloride Substances 0.000 abstract 1
- 238000003908 quality control method Methods 0.000 abstract 1
- 229920001169 thermoplastic Polymers 0.000 abstract 1
- 239000004416 thermosoftening plastic Substances 0.000 abstract 1
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
-
- 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
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92238—Electrical properties
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7605949A FR2342838A1 (fr) | 1976-03-03 | 1976-03-03 | Procede pour le controle d'une extrudeuse, et extrudeuse mettant en oeuvre ce procede |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7605949A FR2342838A1 (fr) | 1976-03-03 | 1976-03-03 | Procede pour le controle d'une extrudeuse, et extrudeuse mettant en oeuvre ce procede |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2342838A1 true FR2342838A1 (fr) | 1977-09-30 |
| FR2342838B1 FR2342838B1 (enExample) | 1979-09-21 |
Family
ID=9169869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7605949A Granted FR2342838A1 (fr) | 1976-03-03 | 1976-03-03 | Procede pour le controle d'une extrudeuse, et extrudeuse mettant en oeuvre ce procede |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2342838A1 (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0114620A3 (de) * | 1983-01-19 | 1987-04-22 | Siemens Aktiengesellschaft | Herstellung von leitfähigen Kunststoffen |
| US5271876A (en) * | 1986-12-02 | 1993-12-21 | Solomat Partners, L.P. | Process for analyzing, monitoring and/or controlling the internal structure of non-conductive, moldable material by inducing an electrical effect therein before it is molded |
| DE4131999C2 (de) * | 1990-09-26 | 2003-08-14 | Du Pont | Dielektrischer In-Line-Sensor |
-
1976
- 1976-03-03 FR FR7605949A patent/FR2342838A1/fr active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0114620A3 (de) * | 1983-01-19 | 1987-04-22 | Siemens Aktiengesellschaft | Herstellung von leitfähigen Kunststoffen |
| US5271876A (en) * | 1986-12-02 | 1993-12-21 | Solomat Partners, L.P. | Process for analyzing, monitoring and/or controlling the internal structure of non-conductive, moldable material by inducing an electrical effect therein before it is molded |
| DE4131999C2 (de) * | 1990-09-26 | 2003-08-14 | Du Pont | Dielektrischer In-Line-Sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2342838B1 (enExample) | 1979-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4244897A (en) | Method and apparatus to control the density of products produced from an extrusion process | |
| Axelos et al. | Crosslinked biopolymers: Experimental evidence for scalar percolation theory | |
| KR870001467A (ko) | 열가소성 물질의 유동 특성측정장치 | |
| US4425790A (en) | Prediction of extrusion performance of polymers | |
| DE3472919D1 (en) | Method and apparatus for extruding a plastic pipe with controlled wall thickness | |
| Batchelor et al. | Die swell in elastic and viscous fluids | |
| US6691558B1 (en) | In-line rheometer device and method | |
| Toki et al. | Rheological and solid wall boundary condition characterization of unvulcanized elastomers and their compounds | |
| EP0013594B1 (en) | Method and apparatus for measuring the rheological properties of an extrudable material | |
| FR2342838A1 (fr) | Procede pour le controle d'une extrudeuse, et extrudeuse mettant en oeuvre ce procede | |
| Fukuma et al. | Space charge dynamics in LDPE films immediately before breakdown | |
| Shida et al. | Correlation of low density polyethylene rheological measurements, with optical and processing properties | |
| EP0437252A2 (en) | Method and apparatus for using flow behavior index to control polymer rheology and physical properties | |
| Laun | Elastic properties of polyethylene melts at high shear rates with respect to extrusion | |
| US3242720A (en) | Apparatus for determining rheological properties | |
| Selker et al. | Brittle point of rubber upon freezing | |
| Knappe et al. | Slip flow of non-plasticized PVC compounds | |
| Schott et al. | Viscous flow and degradation of molten polypropylene | |
| Shen et al. | An experimental evaluation of melt temperature sensors for thermoplastic extrusion | |
| Han et al. | A method for the determination of polymer melt die swell | |
| Teh et al. | Shear modification of low density polyethylene | |
| Whitlock et al. | The source of degradation during extrusion of polystyrene | |
| Goodrich | Torque rheometer evaluation of polypropylene process stability | |
| GB2202537A (en) | Control of grafting processes | |
| JPS5438363A (en) | Apparatus for automatic regulation of outer diameter of extrusion molded product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |