CA1226712A - Process for extruding polymers - Google Patents
Process for extruding polymersInfo
- Publication number
- CA1226712A CA1226712A CA000458018A CA458018A CA1226712A CA 1226712 A CA1226712 A CA 1226712A CA 000458018 A CA000458018 A CA 000458018A CA 458018 A CA458018 A CA 458018A CA 1226712 A CA1226712 A CA 1226712A
- Authority
- CA
- Canada
- Prior art keywords
- core material
- polymeric core
- die cavity
- molten polymeric
- die
- 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
- 238000000034 method Methods 0.000 title claims abstract description 46
- 229920000642 polymer Polymers 0.000 title abstract description 10
- 239000011162 core material Substances 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 10
- 239000011148 porous material Substances 0.000 claims abstract description 8
- 239000002131 composite material Substances 0.000 claims abstract description 7
- -1 ethylene, propylene Chemical group 0.000 claims description 22
- 239000004698 Polyethylene Substances 0.000 claims description 12
- 229920001971 elastomer Polymers 0.000 claims description 12
- 229920000573 polyethylene Polymers 0.000 claims description 12
- 229920001577 copolymer Polymers 0.000 claims description 9
- 239000000806 elastomer Substances 0.000 claims description 8
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 229920000098 polyolefin Polymers 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 229920001973 fluoroelastomer Polymers 0.000 claims description 4
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 229920002681 hypalon Polymers 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 239000004709 Chlorinated polyethylene Substances 0.000 claims description 2
- 244000043261 Hevea brasiliensis Species 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 229920003052 natural elastomer Polymers 0.000 claims description 2
- 229920001194 natural rubber Polymers 0.000 claims description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 2
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 description 33
- 238000001125 extrusion Methods 0.000 description 16
- 239000002184 metal Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 5
- 239000005977 Ethylene Substances 0.000 description 5
- 239000008188 pellet Substances 0.000 description 5
- 229920002943 EPDM rubber Polymers 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920006124 polyolefin elastomer Polymers 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- 235000009434 Actinidia chinensis Nutrition 0.000 description 1
- 244000298697 Actinidia deliciosa Species 0.000 description 1
- 235000009436 Actinidia deliciosa Nutrition 0.000 description 1
- 241000287513 Anhingidae Species 0.000 description 1
- 235000011297 Brassica napobrassica Nutrition 0.000 description 1
- 240000002791 Brassica napus Species 0.000 description 1
- 241000238366 Cephalopoda Species 0.000 description 1
- 235000004237 Crocus Nutrition 0.000 description 1
- 241000596148 Crocus Species 0.000 description 1
- 241001050985 Disco Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241000282322 Panthera Species 0.000 description 1
- 241000282320 Panthera leo Species 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 208000003251 Pruritus Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 229920006228 ethylene acrylate copolymer Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 210000003692 ilium Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012184 mineral wax Substances 0.000 description 1
- AJDUTMFFZHIJEM-UHFFFAOYSA-N n-(9,10-dioxoanthracen-1-yl)-4-[4-[[4-[4-[(9,10-dioxoanthracen-1-yl)carbamoyl]phenyl]phenyl]diazenyl]phenyl]benzamide Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2NC(=O)C(C=C1)=CC=C1C(C=C1)=CC=C1N=NC(C=C1)=CC=C1C(C=C1)=CC=C1C(=O)NC1=CC=CC2=C1C(=O)C1=CC=CC=C1C2=O AJDUTMFFZHIJEM-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 235000002020 sage Nutrition 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 239000002195 soluble material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000001043 yellow dye Substances 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
- 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
- B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising
-
- 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
- B29C48/94—Lubricating
- B29C48/95—Lubricating by adding lubricant to the moulding 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
- B29C48/03—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Developing Agents For Electrophotography (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/510,811 US4485062A (en) | 1983-07-05 | 1983-07-05 | Process for extruding polymers |
| US510,811 | 1983-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1226712A true CA1226712A (en) | 1987-09-15 |
Family
ID=24032301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000458018A Expired CA1226712A (en) | 1983-07-05 | 1984-07-03 | Process for extruding polymers |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4485062A (en, 2012) |
| EP (1) | EP0133909B1 (en, 2012) |
| JP (1) | JPS6040225A (en, 2012) |
| AT (1) | ATE32577T1 (en, 2012) |
| CA (1) | CA1226712A (en, 2012) |
| DE (1) | DE3469421D1 (en, 2012) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56162617A (en) * | 1980-05-20 | 1981-12-14 | Fuji Photo Film Co Ltd | Preparation of film |
| JPS6189006A (ja) * | 1984-10-08 | 1986-05-07 | 株式会社ノリタケカンパニーリミテド | 陶磁器食器類坏土のロクロ回転式圧延成形法及び回転成形鏝 |
| JPS626211A (ja) * | 1985-02-06 | 1987-01-13 | Sumitomo Electric Ind Ltd | 高配向性樹脂製補強部材およびその製造方法 |
| US4623502A (en) * | 1985-03-15 | 1986-11-18 | The Dow Chemical Company | Method and apparatus for the extrusion of synthetic resinous thermoplastics |
| US4663220A (en) * | 1985-07-30 | 1987-05-05 | Kimberly-Clark Corporation | Polyolefin-containing extrudable compositions and methods for their formation into elastomeric products including microfibers |
| US4680156A (en) * | 1985-10-11 | 1987-07-14 | Ohio University | Sheath core composite extrusion and a method of making it by melt transformation coextrusion |
| JPS6292593U (en, 2012) * | 1985-11-30 | 1987-06-13 | ||
| US5028372A (en) * | 1988-06-30 | 1991-07-02 | E. I. Du Pont De Nemours And Company | Method for producing para-aramid pulp |
| CA2002460A1 (en) * | 1988-11-09 | 1990-05-09 | Yun C. Sun | Polymeric polyblend composition |
| EP0373255A1 (de) * | 1988-12-16 | 1990-06-20 | Institut Mekhaniki Metallopolimernykh Sistem Akademii Nauk Belorusskoi Ssr | Polymere Korrosionsschutzfolie, Verfahren zu ihrer Herstellung und Vorrichtung zur Durchführung des Verfahrens |
| EP0377059A1 (de) * | 1989-01-02 | 1990-07-11 | Institut Mekhaniki Metallopolimernykh Sistem Akademii Nauk Belorusskoi Ssr | Spritzkopf zur Herstellung einer polymeren Rostschutz-Schlauchfolie |
| AU621471B2 (en) * | 1989-03-31 | 1992-03-12 | Sekisui Kagaku Kogyo Kabushiki Kaisha | A method for the manufacture of thermoplastic resin sheets |
| US5061424A (en) * | 1991-01-22 | 1991-10-29 | Becton, Dickinson And Company | Method for applying a lubricious coating to an article |
| US5484645A (en) * | 1991-10-30 | 1996-01-16 | Fiberweb North America, Inc. | Composite nonwoven fabric and articles produced therefrom |
| US5503907A (en) * | 1993-07-19 | 1996-04-02 | Fiberweb North America, Inc. | Barrier fabrics which incorporate multicomponent fiber support webs |
| US5270107A (en) * | 1992-04-16 | 1993-12-14 | Fiberweb North America | High loft nonwoven fabrics and method for producing same |
| FR2692093A1 (fr) * | 1992-06-05 | 1993-12-10 | France Telecom | Serveur à haut débit. |
| AU659314B2 (en) * | 1992-06-19 | 1995-05-11 | Shell Internationale Research Maatschappij B.V. | Polyolefin/filler composite materials and their use |
| US5269995A (en) * | 1992-10-02 | 1993-12-14 | The Dow Chemical Company | Coextrusion of multilayer articles using protective boundary layers and apparatus therefor |
| US5393546A (en) * | 1993-02-26 | 1995-02-28 | Rich-Seapak Corporation | Method for two phase conveyance of a product |
| US5458836B1 (en) * | 1994-03-11 | 1998-08-04 | Du Pont | Polymer extrusion die and use thereof |
| US5578337A (en) * | 1995-02-02 | 1996-11-26 | Rich Sea-Pak Corporation | Process for extruding gelled product |
| US6239223B1 (en) | 1997-09-05 | 2001-05-29 | Chemfab Corporation | Fluoropolymeric composition |
| US20040086591A1 (en) * | 1999-11-27 | 2004-05-06 | Vollrath Friedrich W. L. | Multiple passage extrusion apparatus |
| GB9927950D0 (en) * | 1999-11-27 | 2000-01-26 | Knight David P | Apparatus and method for forming materials |
| EP1167441B1 (en) * | 2000-06-29 | 2015-07-29 | 3M Innovative Properties Company | Fluoroelastomer composition comprising a mineral oil |
| FI20040229A7 (fi) * | 2004-02-13 | 2005-08-14 | Maillefer Sa | Menetelmä ekstruusioprosessin yhteydessä, ekstruusioprosessi ja laite ekstruusioprosessia varten |
| WO2005080063A1 (en) * | 2004-02-19 | 2005-09-01 | Five Peaks Technology | Formulations and methods for creating anti-grifitti polymer components |
| GB0911822D0 (en) * | 2009-07-08 | 2009-08-19 | Rasmussen O B | Gas filled crosslaminate and method and apparatus for its manufacture |
| CN110394966B (zh) * | 2019-07-18 | 2024-09-24 | 南京橡塑机械厂有限公司 | 一种脱挥螺杆及脱挥挤出机 |
Family Cites Families (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA694382A (en) * | 1964-09-15 | B. Seed John | Extrusion processes and apparatus therefor | |
| US2597553A (en) * | 1948-09-17 | 1952-05-20 | Donald J Weber | Apparatus for lubricating plastic materials undergoing extrusion |
| US2742669A (en) * | 1951-02-17 | 1956-04-24 | Us Rubber Co | Extrusion method and apparatus |
| BE549181A (en, 2012) * | 1955-06-30 | |||
| GB861311A (en) * | 1957-11-21 | 1961-02-15 | Us Rubber Co | Improvements in apparatus for making expanded rubber |
| GB861312A (en) * | 1957-12-16 | 1961-02-15 | Us Rubber Co | Improvements in apparatus and method for making expanded rubber |
| US3054142A (en) * | 1959-10-06 | 1962-09-18 | Anaconda Wire & Cable Co | Extrusion of thermosetting polymeric materials |
| US3095608A (en) * | 1959-12-09 | 1963-07-02 | Cabot Corp | Process and apparatus for extruding and curing polymeric compositions |
| US3458615A (en) * | 1967-04-18 | 1969-07-29 | Du Pont | Hydrodynamically centering sheath/core filament spinnerette |
| US3669722A (en) * | 1969-06-25 | 1972-06-13 | Copolymer Rubber & Chem Corp | Free flowing pellets of uncured elastomeric material |
| US3928525A (en) * | 1970-12-29 | 1975-12-23 | Mitsubishi Petrochemical Co | Method for forming and vulcanizing vulcanizable materials |
| JPS5150844Y2 (en, 2012) * | 1971-07-21 | 1976-12-07 | ||
| FR2162707A5 (en, 2012) * | 1971-11-29 | 1973-07-20 | Pont A Mousson Fond | |
| FR2172788B1 (en, 2012) * | 1972-02-22 | 1974-12-13 | Aquitaine Total Organico | |
| GB1441586A (en) * | 1972-07-12 | 1976-07-07 | Ici Ltd | Method for reducing sharkskin on extruded polymeric material |
| JPS49121866A (en, 2012) * | 1973-03-27 | 1974-11-21 | ||
| JPS5065190A (en, 2012) * | 1973-10-09 | 1975-06-02 | ||
| GB1487323A (en) * | 1973-10-26 | 1977-09-28 | Ici Ltd | Extrusion |
| US4165556A (en) * | 1974-02-08 | 1979-08-28 | Kanebo, Ltd. | Method for manufacturing suede-like artificial leathers |
| FR2271917A1 (en) * | 1974-05-24 | 1975-12-19 | Ato Chimie | Extrusion die adaptor for admitting a hot fluid lubricant - to reduce haul off stresses or increase extrusion rates |
| JPS5179168A (en) * | 1974-12-28 | 1976-07-09 | Sumitomo Electric Industries | Kakyoseikeihinno oshidashikanetsuseikeihoho |
| US4080138A (en) * | 1975-11-17 | 1978-03-21 | The Dow Chemical Company | Extrusion process and apparatus |
| US4248824A (en) * | 1979-01-24 | 1981-02-03 | Alcan Aluminum Corporation | Method and apparatus for striping extruded polymer products |
| FR2455972A1 (fr) * | 1979-05-10 | 1980-12-05 | Sogecan Ste Gle Canalisations | Procede et appareillage pour l'extrusion de tubes plastiques a parois composites |
| US4370114A (en) * | 1979-09-07 | 1983-01-25 | Toray Industries, Inc. | Spinneret assembly for use in production of multi-ingredient multi-core composite filaments |
| US4348346A (en) * | 1980-07-23 | 1982-09-07 | Champion International Corporation | Polyester film extrusion with edge bead control |
| SU931476A1 (ru) * | 1980-11-17 | 1982-05-30 | Институт механики сплошных сред Уральского научного центра АН СССР | Устройство дл регулировани процесса экструзии полимерных материалов |
| US4388261A (en) * | 1981-10-01 | 1983-06-14 | The General Tire & Rubber Company | Method for forming a compartmented puncture sealant package by co-extrusion |
-
1983
- 1983-07-05 US US06/510,811 patent/US4485062A/en not_active Expired - Lifetime
-
1984
- 1984-06-30 AT AT84107620T patent/ATE32577T1/de active
- 1984-06-30 DE DE8484107620T patent/DE3469421D1/de not_active Expired
- 1984-06-30 EP EP84107620A patent/EP0133909B1/en not_active Expired
- 1984-07-03 CA CA000458018A patent/CA1226712A/en not_active Expired
- 1984-07-04 JP JP59137420A patent/JPS6040225A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4485062A (en) | 1984-11-27 |
| DE3469421D1 (en) | 1988-03-31 |
| EP0133909B1 (en) | 1988-02-24 |
| EP0133909A1 (en) | 1985-03-13 |
| JPH026619B2 (en, 2012) | 1990-02-13 |
| JPS6040225A (ja) | 1985-03-02 |
| ATE32577T1 (de) | 1988-03-15 |
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