SE8704203L - Controlling plastic melt temp. by controlling mechanical energy - using extruder screw speed and monitoring melt pressure - Google Patents
Controlling plastic melt temp. by controlling mechanical energy - using extruder screw speed and monitoring melt pressureInfo
- Publication number
- SE8704203L SE8704203L SE8704203A SE8704203A SE8704203L SE 8704203 L SE8704203 L SE 8704203L SE 8704203 A SE8704203 A SE 8704203A SE 8704203 A SE8704203 A SE 8704203A SE 8704203 L SE8704203 L SE 8704203L
- Authority
- SE
- Sweden
- Prior art keywords
- controlling
- mechanical energy
- screw speed
- extruder screw
- monitoring
- Prior art date
Links
- 238000012544 monitoring process Methods 0.000 title 1
- 239000002994 raw material Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Melt temp. of plastic raw material being used to mfr. plastic product is controlled, i.e. obtained and maintained, by changing the amount of mechanical energy supplied to it in the plasticizing section of the appts., e.g., extruder through which it is passed before it is fed to a die.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8704203A SE8704203L (en) | 1987-08-07 | 1987-10-28 | Controlling plastic melt temp. by controlling mechanical energy - using extruder screw speed and monitoring melt pressure |
EP88909641A EP0386068A1 (en) | 1987-10-28 | 1988-10-28 | A method of controlling the melt temperature of a plastic mass during manufacture of plastic articles |
PCT/SE1988/000583 WO1989003754A1 (en) | 1987-10-28 | 1988-10-28 | A method of controlling the melt temperature of a plastic mass during manufacture of plastic articles |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8703093A SE8703093D0 (en) | 1987-08-07 | 1987-08-07 | PROCEDURE FOR CONTROL OF THE PLASTIC MELTING TEMPERATURE IN MANUFACTURE OF PLASTIC PRODUCTS |
SE8704203A SE8704203L (en) | 1987-08-07 | 1987-10-28 | Controlling plastic melt temp. by controlling mechanical energy - using extruder screw speed and monitoring melt pressure |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8704203D0 SE8704203D0 (en) | 1987-10-28 |
SE8704203L true SE8704203L (en) | 1989-02-08 |
Family
ID=26659909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8704203A SE8704203L (en) | 1987-08-07 | 1987-10-28 | Controlling plastic melt temp. by controlling mechanical energy - using extruder screw speed and monitoring melt pressure |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE8704203L (en) |
-
1987
- 1987-10-28 SE SE8704203A patent/SE8704203L/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE8704203D0 (en) | 1987-10-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8704203-2 Effective date: 19940501 |