CA1111225A - Method and apparatus for processing polymeric material - Google Patents
Method and apparatus for processing polymeric materialInfo
- Publication number
- CA1111225A CA1111225A CA282,341A CA282341A CA1111225A CA 1111225 A CA1111225 A CA 1111225A CA 282341 A CA282341 A CA 282341A CA 1111225 A CA1111225 A CA 1111225A
- Authority
- CA
- Canada
- Prior art keywords
- channel
- processing
- plastic
- polymeric
- machine
- 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.)
- Expired
Links
- 239000000463 material Substances 0.000 title claims abstract description 219
- 238000012545 processing Methods 0.000 title claims abstract description 104
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000004033 plastic Substances 0.000 claims abstract description 70
- 229920003023 plastic Polymers 0.000 claims abstract description 70
- 230000033001 locomotion Effects 0.000 claims abstract description 27
- 239000007787 solid Substances 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract 2
- 239000007788 liquid Substances 0.000 claims description 27
- 238000002156 mixing Methods 0.000 claims description 27
- 230000009471 action Effects 0.000 claims description 18
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000010094 polymer processing Methods 0.000 claims description 8
- 239000011344 liquid material Substances 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000000543 intermediate Substances 0.000 claims 4
- 230000003993 interaction Effects 0.000 claims 2
- 238000013022 venting Methods 0.000 claims 2
- 206010013710 Drug interaction Diseases 0.000 claims 1
- 229910052729 chemical element Inorganic materials 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 230000000750 progressive effect Effects 0.000 abstract 1
- 238000005086 pumping Methods 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 239000012768 molten material Substances 0.000 description 5
- 239000011343 solid material Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 239000011345 viscous material Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000010006 flight Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- -1 polyethylenes Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 241001125929 Trisopterus luscus Species 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229920000592 inorganic polymer Polymers 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 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
- B29B13/022—Melting the material to be shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
- B01F27/272—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces
-
- 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
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/402—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft using a rotor-stator system with intermeshing elements, e.g. teeth
-
- 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
-
- 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
- B29C48/05—Filamentary, e.g. strands
-
- 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
- B29C48/06—Rod-shaped
-
- 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
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/29—Feeding the extrusion material to the extruder in liquid form
-
- 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
- B29C48/465—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US795,211 | 1977-05-11 | ||
| US05/795,211 US4142805A (en) | 1976-02-02 | 1977-05-11 | Method for processing polymeric material |
| AU27422/77A AU517417B2 (en) | 1977-05-11 | 1977-07-28 | Processing polymeric material |
| GB33834/77A GB1592261A (en) | 1977-05-11 | 1977-08-12 | Method and a machine for processing polymeric materials which are or become in the course of processing viscous liquids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1111225A true CA1111225A (en) | 1981-10-27 |
Family
ID=27153089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA282,341A Expired CA1111225A (en) | 1977-05-11 | 1977-07-08 | Method and apparatus for processing polymeric material |
Country Status (10)
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES475170A1 (es) * | 1977-11-07 | 1979-12-01 | Usm Corp | Maquina y metodo para elaborar materiales polimericos |
| US4227816A (en) * | 1978-08-21 | 1980-10-14 | Usm Corporation | Rotary processor |
| US4213709A (en) * | 1978-12-01 | 1980-07-22 | Usm Corporation | Rotary processor |
| CA1142319A (en) * | 1978-12-20 | 1983-03-08 | Peter Hold | Process and apparatus for processing plastic and polymeric materials |
| US4255059A (en) * | 1978-12-20 | 1981-03-10 | Usm Corporation | Processing element |
| US4411532A (en) * | 1982-01-04 | 1983-10-25 | Usm Corporation | Rotary processor |
| US4402616A (en) * | 1982-01-04 | 1983-09-06 | Usm Corporation | Rotary processors |
| GB2127735A (en) * | 1982-07-21 | 1984-04-18 | Atomic Energy Authority Uk | Extruding loose (particulate) material into coherent bodies |
| US4529478A (en) * | 1983-09-14 | 1985-07-16 | Usm Corporation | Rotary processors and vacuum systems |
| US4529320A (en) * | 1983-09-14 | 1985-07-16 | Usm Corporation | Rotary processors and method for devolatilizing materials |
| US4549810A (en) * | 1984-12-20 | 1985-10-29 | Usm Corporation | Phase separating rotary processor and method |
| GB2245860A (en) * | 1990-06-05 | 1992-01-15 | Atomic Energy Authority Uk | Plastics extrusion |
| IT201900024114A1 (it) * | 2019-12-16 | 2021-06-16 | Nexxus Channel S R L | Gruppo e metodo per processare materiale viscoso |
| DE102020102079B4 (de) | 2020-01-29 | 2022-11-10 | Cerdia International GmbH | Verfahren zum stofflichen wiederverwenden von celluloseacetathaltigem material und systeme zum stofflichen wiederverwenden von celluloseacetathaltigem material |
| AU2024326375A1 (en) * | 2023-11-02 | 2025-05-15 | Meltix Limited | Improvements in and relating to methods and apparatus for the manufacture of plastics and products therefrom, including parts and components therefor |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB632051A (en) * | 1948-01-21 | 1949-11-15 | Redfern S Rubber Works Ltd | Improvements relating to the compounding of rubber or the like |
| LU31896A1 (enrdf_load_stackoverflow) * | 1951-12-28 | 1900-01-01 | ||
| NL86722C (enrdf_load_stackoverflow) * | 1951-12-28 | 1900-01-01 | ||
| DE1720358U (de) | 1953-10-09 | 1956-04-12 | Danzer & Wessel Furnierwerk | Maschine zum entrinden bzw. schaelen von baumstaemmen. |
| NL109251C (enrdf_load_stackoverflow) * | 1957-02-08 | 1900-01-01 | ||
| DE1229279B (de) * | 1962-12-07 | 1966-11-24 | Helmut Alder Dipl Ing | Strangpresse zum Verarbeiten von plastischen oder plastifizierbaren Massen |
| DE1230341B (de) * | 1963-08-30 | 1966-12-08 | Rieter Werke Haendle | Strangpresse fuer keramische Massen |
| CH423212A (it) * | 1964-07-07 | 1966-10-31 | Gabbrielli Ernesto Ing Dr | Procedimento atto alla eliminazione della flessione del cilindro rotorico nelle presse a rottura di strato limite |
| US3442866A (en) * | 1966-01-07 | 1969-05-06 | Celanese Corp | Process for producing finely divided solid acetal copolymers |
| DE1544055B2 (de) * | 1966-11-25 | 1971-03-18 | Institut für Konstruktionstechnik der Technischen Hochschule München, Prof. Dr.-Ing. Rodenacker, 8000 München | Verfahren und vorrichtung zum entgasen von viskosen massen |
| BE793939A (fr) * | 1972-01-14 | 1973-05-02 | Rieter Werke Dipl Ing Walter | Boudineuse pour la mise en oeuvre d'une matiere visqueuse, notamment pour la mise en oeuvre de la terre glaise ou d'une matiere analogue |
| DD102027A1 (enrdf_load_stackoverflow) * | 1972-12-18 | 1973-11-20 | ||
| DE2332803C3 (de) * | 1973-06-28 | 1982-01-28 | Erich Ing.(grad.) 6520 Worms Beck | Vorrichtung zum Herstellen von Folien und Platten aus thermoplastischen Kunststoffen |
| IT1050956B (it) * | 1975-09-17 | 1981-03-20 | Gabbrielli Ernesto | Metodo per mantenere equilibrate in ogni regime di lavoro le sollecitazioni radiali operanti sul cilindro rotorico di presse di estrusione di materie pastose e termplastiche |
-
1977
- 1977-07-08 CA CA282,341A patent/CA1111225A/en not_active Expired
- 1977-07-15 DE DE2732173A patent/DE2732173C2/de not_active Expired
- 1977-07-15 DE DE2759878A patent/DE2759878C2/de not_active Expired
- 1977-07-18 SE SE7708283A patent/SE429519B/xx unknown
- 1977-07-28 AU AU27422/77A patent/AU517417B2/en not_active Expired
- 1977-07-29 JP JP9133877A patent/JPS53139688A/ja active Granted
- 1977-07-29 SU SU772511560A patent/SU1011039A3/ru active
- 1977-08-01 FR FR7723681A patent/FR2390259A1/fr active Granted
- 1977-08-12 GB GB33834/77A patent/GB1592261A/en not_active Expired
- 1977-10-26 BE BE182089A patent/BE860142A/xx not_active IP Right Cessation
- 1977-11-14 NL NLAANVRAGE7712481,A patent/NL189284C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE7708283L (sv) | 1978-11-12 |
| SE429519B (sv) | 1983-09-12 |
| DE2732173A1 (de) | 1978-11-16 |
| FR2390259B1 (enrdf_load_stackoverflow) | 1981-11-20 |
| BE860142A (fr) | 1978-02-15 |
| DE2759878C2 (de) | 1986-12-04 |
| SU1011039A3 (ru) | 1983-04-07 |
| DE2732173C2 (de) | 1985-10-10 |
| AU2742277A (en) | 1979-02-01 |
| AU517417B2 (en) | 1981-07-30 |
| NL189284B (nl) | 1992-10-01 |
| FR2390259A1 (fr) | 1978-12-08 |
| JPS53139688A (en) | 1978-12-06 |
| NL7712481A (nl) | 1978-11-14 |
| JPS6147684B2 (enrdf_load_stackoverflow) | 1986-10-21 |
| GB1592261A (en) | 1981-07-01 |
| NL189284C (nl) | 1993-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4194841A (en) | Method and apparatus for processing polymeric materials | |
| US4142805A (en) | Method for processing polymeric material | |
| CA1111225A (en) | Method and apparatus for processing polymeric material | |
| US3941535A (en) | Extrusion device | |
| US4421412A (en) | Process and apparatus for processing plastic and polymeric materials | |
| US4413913A (en) | Method for processing plastic and polymeric materials | |
| US4329065A (en) | Apparatus for processing plastic and polymeric materials | |
| US6210030B1 (en) | Method and apparatus to control viscosity of molten plastics prior to a molding operation | |
| US3870284A (en) | Extruder screws | |
| US4015832A (en) | Extruder screws | |
| US4411532A (en) | Rotary processor | |
| US4313909A (en) | Method and an apparatus for producing a reaction mixture for forming solid or cellular substances from flowable reactants and optionally fillers | |
| US4402616A (en) | Rotary processors | |
| US6062718A (en) | Thermoplastic foam extrusion assembly with an extrusion screw including a circulation channel defined therein | |
| US4486099A (en) | Rotary processors and devolatilizing methods for particulate materials | |
| US4444507A (en) | Apparatus and method for melting and conveying plasticated material | |
| CA1142319A (en) | Process and apparatus for processing plastic and polymeric materials | |
| AU735360B2 (en) | Rotor for a mixer and mixer having the same | |
| JPH11333831A (ja) | 連続混練機とその材料排出方法及び連続混練機のロータ | |
| US6609818B1 (en) | Thermoplastic foam extrusion screw with circulation channels | |
| EP1216125B1 (en) | A homogenization enhancing thermoplastic foam extrusion screw | |
| JP3530334B2 (ja) | 連続混練機及び連続混練機のロータ | |
| JPS6245044B2 (enrdf_load_stackoverflow) | ||
| Kocherov et al. | Flow of polymer melts in a disc‐type extruder and in rotational devices of the “cone‐plate” and “plate‐plate” type | |
| JPS5889341A (ja) | 熱可塑性樹脂成形用押出装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |