BE883702A - Procede et appareil pour eliminer des substances volatiles d'une matiere polymerique extrudable - Google Patents
Procede et appareil pour eliminer des substances volatiles d'une matiere polymerique extrudableInfo
- Publication number
- BE883702A BE883702A BE0/200944A BE200944A BE883702A BE 883702 A BE883702 A BE 883702A BE 0/200944 A BE0/200944 A BE 0/200944A BE 200944 A BE200944 A BE 200944A BE 883702 A BE883702 A BE 883702A
- Authority
- BE
- Belgium
- Prior art keywords
- polymeric material
- volatile substances
- removing volatile
- extrudable polymeric
- extrudable
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/18—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs
- F26B17/20—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being horizontal or slightly inclined
-
- 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
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/76—Venting, drying means; Degassing means
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/76—Venting, drying means; Degassing means
- B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
- B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
-
- 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
- B29C48/04—Particle-shaped
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4690879A | 1979-06-08 | 1979-06-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE883702A true BE883702A (fr) | 1980-12-08 |
Family
ID=21946038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/200944A BE883702A (fr) | 1979-06-08 | 1980-06-06 | Procede et appareil pour eliminer des substances volatiles d'une matiere polymerique extrudable |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5638244A (fr) |
BE (1) | BE883702A (fr) |
CA (1) | CA1138612A (fr) |
FR (1) | FR2458383A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2615781B1 (fr) * | 1987-05-26 | 1989-07-28 | Biomass Dev Sa | Tete de compression perfectionnee pour machine a densifier en continu les matieres vegetales |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1132898A (en) * | 1965-08-13 | 1968-11-06 | Werner & Pfleiderer | Multi-stage screw treatment device |
DE2027564A1 (de) * | 1969-06-05 | 1970-12-10 | International Basic Economy Corp., New York, N.Y. (V.St.A.) | Verfahren und Vorrichtung zur Entfernung von Flüssigkeit aus einem Polymermaterial |
DE2120601B2 (de) * | 1971-04-27 | 1973-08-09 | Barmag Barmer Maschinenfabrik Ag, 5600 Wuppertal | Verfahren und vorrichtung zum verarbeiten und entgasen thermisch empfindlicher pulverfoermiger thermoplaste |
-
1980
- 1980-05-08 CA CA000351506A patent/CA1138612A/fr not_active Expired
- 1980-06-06 BE BE0/200944A patent/BE883702A/fr not_active IP Right Cessation
- 1980-06-06 FR FR8012634A patent/FR2458383A1/fr active Granted
- 1980-06-06 JP JP7656580A patent/JPS5638244A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2458383A1 (fr) | 1981-01-02 |
JPS5638244A (en) | 1981-04-13 |
CA1138612A (fr) | 1983-01-04 |
FR2458383B1 (fr) | 1983-12-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: POLYSAR LTD Effective date: 19980630 |