SE434365B - Sett for framstellning av strukturella termoplastiska skumplastprodukter - Google Patents
Sett for framstellning av strukturella termoplastiska skumplastprodukterInfo
- Publication number
- SE434365B SE434365B SE7902361A SE7902361A SE434365B SE 434365 B SE434365 B SE 434365B SE 7902361 A SE7902361 A SE 7902361A SE 7902361 A SE7902361 A SE 7902361A SE 434365 B SE434365 B SE 434365B
- Authority
- SE
- Sweden
- Prior art keywords
- zone
- screw
- mixture
- drum
- ventilation
- Prior art date
Links
- 239000004033 plastic Substances 0.000 title claims description 33
- 229920003023 plastic Polymers 0.000 title claims description 33
- 239000006260 foam Substances 0.000 title claims description 12
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 229920001169 thermoplastic Polymers 0.000 title description 11
- 239000004416 thermosoftening plastic Substances 0.000 title description 11
- 239000000203 mixture Substances 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 22
- 238000007906 compression Methods 0.000 claims description 19
- 239000004604 Blowing Agent Substances 0.000 claims description 11
- 239000000470 constituent Substances 0.000 claims description 9
- 238000000855 fermentation Methods 0.000 claims description 7
- 230000004151 fermentation Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 239000004014 plasticizer Substances 0.000 claims description 2
- 239000004616 structural foam Substances 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 description 59
- 230000006835 compression Effects 0.000 description 15
- 239000007789 gas Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000002156 mixing Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- 229920000426 Microplastic Polymers 0.000 description 5
- 230000006837 decompression Effects 0.000 description 5
- 238000000748 compression moulding Methods 0.000 description 4
- 238000005187 foaming Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 239000006261 foam material Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 238000010077 mastication Methods 0.000 description 2
- 230000018984 mastication Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000004610 Internal Lubricant Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 239000002666 chemical blowing agent Substances 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
-
- 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
- B29C48/268—Throttling of the flow, e.g. for cooperating with plasticising elements or for degassing
-
- 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
- B29C48/767—Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel
-
- 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
-
- 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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/83—Injection molding of polyolefin-type foam
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/812—Venting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/887,616 US4185060A (en) | 1978-03-17 | 1978-03-17 | Method of manufacturing structural foam plastic products free from undesirable contaminant constituents |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7902361L SE7902361L (sv) | 1979-09-18 |
| SE434365B true SE434365B (sv) | 1984-07-23 |
Family
ID=25391519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7902361A SE434365B (sv) | 1978-03-17 | 1979-03-16 | Sett for framstellning av strukturella termoplastiska skumplastprodukter |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4185060A (it) |
| JP (1) | JPS585774B2 (it) |
| AU (1) | AU522743B2 (it) |
| BR (1) | BR7901667A (it) |
| CA (1) | CA1103873A (it) |
| DE (1) | DE2910504C2 (it) |
| FR (1) | FR2419813A1 (it) |
| GB (1) | GB2016359B (it) |
| IT (1) | IT1114478B (it) |
| SE (1) | SE434365B (it) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4409165A (en) * | 1981-06-18 | 1983-10-11 | The B. F. Goodrich Company | Method and apparatus for extruding a cellular product |
| EP0102400B1 (de) * | 1982-08-26 | 1987-01-14 | HERMANN BERSTORFF Maschinenbau GmbH | Entgasungsextruder |
| US4944906A (en) * | 1988-10-11 | 1990-07-31 | Spirex Corporation | Methods of injection molding and extruding wet hygroscopic ionomers |
| US4992222A (en) * | 1988-12-29 | 1991-02-12 | General Electric Company | Method for removing volatile substances from polyphenylene ether or polyphenylene ether/styrene resin compositions |
| AT393272B (de) * | 1989-06-07 | 1991-09-25 | Rettenbacher Markus Dipl Ing | Verfahren zur herstellung von extrudierten, direkt expandierten biopolymerprodukten und holzfaserplatten, verpackungs- und isoliermaterialien |
| US5034171A (en) * | 1989-11-30 | 1991-07-23 | Air Products And Chemicals, Inc. | Process for extruding thermoplastic materials using low pressure inert gases as foaming agents |
| US5236645A (en) * | 1990-09-21 | 1993-08-17 | Basf Corporation | Addition of additives to polymeric materials |
| JPH0479623U (it) * | 1990-11-22 | 1992-07-10 | ||
| US5123828A (en) * | 1991-04-24 | 1992-06-23 | Cincinnati Milacron Inc. | Extruder vent having recessed vent passageway opening |
| US5238633A (en) * | 1991-05-24 | 1993-08-24 | Duraplast Corporation | Method and apparatus for recycling plastic waste into a thin profile, mechanically reinforced board |
| KR100363291B1 (ko) * | 1994-12-27 | 2003-05-09 | 세키스이가세이힝코교가부시키가이샤 | 열가소성폴리에스테르계수지발포체의연속적제조방법및제조장치 |
| US6234659B1 (en) | 1998-09-25 | 2001-05-22 | Hpm Corporation | Surge suppressor for vented injection molding machine screw |
| US6056430A (en) * | 1998-09-25 | 2000-05-02 | Hpm Corporation | Plasticating apparatus having a multichannel wave screw with a cross channel solids transition |
| US6132075A (en) * | 1998-09-25 | 2000-10-17 | Hpm Corporation | Multichannel wave screw with a slush channel barrier section |
| US6432337B1 (en) * | 1998-11-09 | 2002-08-13 | James D. Fogarty | Thermoplastic foam extrusion |
| US6113375A (en) * | 1998-11-09 | 2000-09-05 | Fogarty; James | Thermoplastic foam extrusion assembly |
| FR2786123B1 (fr) * | 1998-11-25 | 2001-02-09 | Schmalbach Lubeca | Procede et installation pour la fabrication d'une preforme, mettant en oeuvre des moyens de sechage perfectionnes, et recipient plastique obtenu a partir de la preforme |
| US6132076A (en) * | 1998-12-09 | 2000-10-17 | General Electric Company | Single extruder screw for efficient blending of miscible and immiscible polymeric materials |
| US20020070288A1 (en) * | 1999-11-08 | 2002-06-13 | Abdeslam Bouti | Mixer bushing to improve melt homogeneity in injection molding machines and hot runners |
| EP1293319A4 (en) * | 2000-05-31 | 2006-05-24 | Asahi Chemical Ind | INJECTION MOLDING PROCESS |
| US6513963B2 (en) | 2001-01-19 | 2003-02-04 | Eastman Kodak Company | Multi-staged vented extrusion screw with dual channel depth pumping section |
| JP4977683B2 (ja) * | 2005-03-08 | 2012-07-18 | スティール エンジニアリング プライベート リミテッド | 押出機システム用の二軸装置、材料運搬用の押出機システム |
| AT9383U1 (de) * | 2006-05-16 | 2007-09-15 | Engel Austria Gmbh | Verfahren zur herstellung geschäumter kunststoffkörper |
| IT1391389B1 (it) * | 2008-10-06 | 2011-12-13 | Bazzica Engineering Di Carlo Bazzica & C S A S | Metodo per il cambio colore in una macchina di stampaggio di materiale plastico espanso e macchina di stampaggio implementante tale metodo |
| ITPR20080068A1 (it) * | 2008-10-22 | 2010-04-23 | Storci S P A | Vite di compressione in macchine continue per estrusione e produzione pasta |
| US8641263B2 (en) * | 2008-11-24 | 2014-02-04 | Kraft Foods Group Brands Llc | Method and apparatus for continuous processing of whole muscle meat products |
| US8308342B2 (en) * | 2008-11-24 | 2012-11-13 | Kraft Foods Global Brands Llc | Processing elements for mixing meat products |
| US8187651B2 (en) | 2008-11-24 | 2012-05-29 | Kraft Foods Global Brands Llc | Method and apparatus for continuous processing of whole muscle meat products |
| AT522425B1 (de) * | 2019-03-20 | 2022-01-15 | Erema Eng Recycling Maschinen & Anlagen Gmbh | Schälschnecke |
| JP7485868B2 (ja) * | 2019-06-18 | 2024-05-17 | 三菱エンジニアリングプラスチックス株式会社 | ペレットの製造方法、スクリュー、および、押出機 |
Family Cites Families (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US687915A (en) * | 1900-06-29 | 1901-12-03 | Chambers Brothers Co | Brick-machine. |
| US2774105A (en) * | 1954-04-27 | 1956-12-18 | Du Pont | Extraction-extrusion apparatus |
| US3150214A (en) * | 1959-11-23 | 1964-09-22 | Owens Illinois Glass Co | Method of extruding a foamed plastic composition |
| US3115675A (en) * | 1961-04-28 | 1963-12-31 | Shell Oil Co | Extrusion apparatus with degasification elements |
| US3151192A (en) * | 1961-07-24 | 1964-09-29 | Sun Chemical Corp | Method of extruding a foamed thermoplastic product |
| CH387939A (de) * | 1961-10-30 | 1965-02-15 | Buehler Ag Geb | Spritzgussmaschine mit Vakuumentgasung der plastifizierten Masse |
| BE638935A (it) * | 1962-10-22 | 1900-01-01 | ||
| US3268636A (en) * | 1963-07-01 | 1966-08-23 | Union Carbide Corp | Method and apparatus for injection molding foamed plastic articles |
| DE1251943B (it) * | 1965-01-02 | 1900-01-01 | ||
| US3461497A (en) * | 1967-02-23 | 1969-08-19 | James Winston Geyer | Extrusion apparatus |
| JPS4814021B1 (it) * | 1967-04-13 | 1973-05-02 | ||
| US3496603A (en) * | 1967-08-17 | 1970-02-24 | Johnson & Johnson | Single screw extruder |
| GB1289863A (it) * | 1968-10-21 | 1972-09-20 | ||
| DE1964748B2 (de) * | 1969-12-24 | 1973-12-13 | Chemische Werke Huels Ag, 4370 Marl | Verfahren zum Herstellen thermo plastischer Schaumkunststoff Form korper nach dem Spritzgießverfahren |
| DE2005095B2 (de) * | 1970-02-04 | 1975-11-27 | Krauss-Maffei Ag, 8000 Muenchen | Einspritzeinheit einer SpritzgieBmaschine zum Verarbeiten von thermoplastischen Formmassen |
| US3650652A (en) * | 1970-05-05 | 1972-03-21 | Feed Screws Inc | Apparatus for extruding plastic material |
| US3814779A (en) * | 1971-04-01 | 1974-06-04 | Cosden Oil & Chem Co | Method of forming foamed polystyrene articles from polystyrene beads |
| US3826477A (en) * | 1971-04-13 | 1974-07-30 | Meiki Seisakusho Kk | Injection molding machine with a venting device |
| GB1399222A (en) * | 1973-03-02 | 1975-06-25 | Japan Steel Works Ltd | Cooling of melted thermoplastics resins |
| US3927160A (en) * | 1973-07-17 | 1975-12-16 | Cosden Oil & Chem Co | Formal profile extrusion process |
| US3940467A (en) * | 1973-07-20 | 1976-02-24 | Bethlehem Steel Corporation | Method of injection molding a structural foamed thermoplastic article having a uniform swirl-free and indent-free surface |
| JPS5232776B2 (it) * | 1973-10-27 | 1977-08-24 | ||
| CA1035107A (en) * | 1974-04-09 | 1978-07-25 | United States Gypsum Company | Method and apparatus for extruding thermoplastic polymers |
| US4065532A (en) * | 1974-04-11 | 1977-12-27 | Basf Aktiengesellschaft | Process for the admixture of additives into plastics with simultaneous removal of volatile constituents |
| US3992500A (en) * | 1974-06-07 | 1976-11-16 | Koehring Company | Vented extruder |
| US3949973A (en) * | 1974-07-05 | 1976-04-13 | Koehring Company | Undercut feed section screw |
| JPS5332424B2 (it) * | 1974-07-25 | 1978-09-08 | ||
| US4006209A (en) * | 1975-02-10 | 1977-02-01 | Egan Machinery Company | Method for additive feeding |
| US4060226A (en) * | 1976-07-08 | 1977-11-29 | John Schweller | Apparatus for injection molding |
| US4074362A (en) * | 1976-11-19 | 1978-02-14 | Hpm Corporation | Vented injection molding machine |
-
1978
- 1978-03-17 US US05/887,616 patent/US4185060A/en not_active Expired - Lifetime
-
1979
- 1979-02-14 CA CA321,458A patent/CA1103873A/en not_active Expired
- 1979-02-16 AU AU44304/79A patent/AU522743B2/en not_active Ceased
- 1979-03-06 FR FR7905795A patent/FR2419813A1/fr active Granted
- 1979-03-13 JP JP54028343A patent/JPS585774B2/ja not_active Expired
- 1979-03-15 IT IT48360/79A patent/IT1114478B/it active
- 1979-03-16 BR BR7901667A patent/BR7901667A/pt unknown
- 1979-03-16 DE DE2910504A patent/DE2910504C2/de not_active Expired
- 1979-03-16 SE SE7902361A patent/SE434365B/sv not_active IP Right Cessation
- 1979-03-16 GB GB7909273A patent/GB2016359B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2910504A1 (de) | 1979-09-20 |
| US4185060A (en) | 1980-01-22 |
| IT7948360A0 (it) | 1979-03-15 |
| IT1114478B (it) | 1986-01-27 |
| GB2016359A (en) | 1979-09-26 |
| JPS54127977A (en) | 1979-10-04 |
| BR7901667A (pt) | 1979-10-16 |
| JPS585774B2 (ja) | 1983-02-01 |
| CA1103873A (en) | 1981-06-30 |
| SE7902361L (sv) | 1979-09-18 |
| AU522743B2 (en) | 1982-06-24 |
| DE2910504C2 (de) | 1984-02-02 |
| AU4430479A (en) | 1979-09-20 |
| FR2419813B1 (it) | 1983-12-16 |
| FR2419813A1 (fr) | 1979-10-12 |
| GB2016359B (en) | 1982-09-02 |
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