DE69809089T2 - Verfahren zur Klasssifizierung von hydrophilen Polymerpartikeln und Siebvorrichtung - Google Patents
Verfahren zur Klasssifizierung von hydrophilen Polymerpartikeln und SiebvorrichtungInfo
- Publication number
- DE69809089T2 DE69809089T2 DE69809089T DE69809089T DE69809089T2 DE 69809089 T2 DE69809089 T2 DE 69809089T2 DE 69809089 T DE69809089 T DE 69809089T DE 69809089 T DE69809089 T DE 69809089T DE 69809089 T2 DE69809089 T2 DE 69809089T2
- Authority
- DE
- Germany
- Prior art keywords
- sieve
- classifying
- screening device
- temperature
- screening
- 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.)
- Revoked
Links
- 238000012216 screening Methods 0.000 title claims description 56
- 239000002245 particle Substances 0.000 title claims description 36
- 238000000034 method Methods 0.000 title claims description 25
- 229920001477 hydrophilic polymer Polymers 0.000 title claims description 16
- 239000002250 absorbent Substances 0.000 claims description 40
- 239000011347 resin Substances 0.000 claims description 40
- 229920005989 resin Polymers 0.000 claims description 40
- 238000007873 sieving Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 description 23
- 239000012212 insulator Substances 0.000 description 16
- -1 2-hydroxypropyl Chemical group 0.000 description 10
- 239000000178 monomer Substances 0.000 description 9
- 239000000843 powder Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 6
- 229940048053 acrylate Drugs 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000001464 adherent effect Effects 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 239000008187 granular material Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000010425 asbestos Substances 0.000 description 3
- 238000010332 dry classification Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 239000011490 mineral wool Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229910052895 riebeckite Inorganic materials 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 229920001038 ethylene copolymer Polymers 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000017 hydrogel Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000011232 storage material Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- QENRKQYUEGJNNZ-UHFFFAOYSA-N 2-methyl-1-(prop-2-enoylamino)propane-1-sulfonic acid Chemical compound CC(C)C(S(O)(=O)=O)NC(=O)C=C QENRKQYUEGJNNZ-UHFFFAOYSA-N 0.000 description 1
- AGBXYHCHUYARJY-UHFFFAOYSA-N 2-phenylethenesulfonic acid Chemical compound OS(=O)(=O)C=CC1=CC=CC=C1 AGBXYHCHUYARJY-UHFFFAOYSA-N 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- WQNTXSXCXGWOBT-UHFFFAOYSA-N C=C.C=C.F.F.F.F Chemical group C=C.C=C.F.F.F.F WQNTXSXCXGWOBT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 241000755266 Kathetostoma giganteum Species 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000003898 horticulture Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 229940047670 sodium acrylate Drugs 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/56—Heated screens
Landscapes
- Combined Means For Separation Of Solids (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01292797A JP3875757B2 (ja) | 1997-01-27 | 1997-01-27 | 粒子状親水性重合体の分級方法およびふるい分け装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69809089D1 DE69809089D1 (de) | 2002-12-12 |
| DE69809089T2 true DE69809089T2 (de) | 2003-06-18 |
Family
ID=11818964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69809089T Revoked DE69809089T2 (de) | 1997-01-27 | 1998-01-26 | Verfahren zur Klasssifizierung von hydrophilen Polymerpartikeln und Siebvorrichtung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6164455A (enExample) |
| EP (1) | EP0855232B1 (enExample) |
| JP (1) | JP3875757B2 (enExample) |
| DE (1) | DE69809089T2 (enExample) |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4739534B2 (ja) * | 2000-01-20 | 2011-08-03 | 株式会社日本触媒 | 吸水性樹脂の取扱方法 |
| US6817557B2 (en) * | 2000-01-20 | 2004-11-16 | Nippon Shokubai Co., Ltd. | Process for transporting, storing, and producing a particulate water-absorbent resin |
| EP1130045B2 (en) | 2000-02-29 | 2015-10-28 | Nippon Shokubai Co., Ltd. | Process for producing a water-absorbent resin powder |
| US6716894B2 (en) | 2001-07-06 | 2004-04-06 | Nippon Shokubai Co., Ltd. | Water-absorbent resin powder and its production process and uses |
| DE102005001789A1 (de) * | 2005-01-13 | 2006-07-27 | Basf Ag | Verfahren zum Klassieren eines teilchenförmigen wasserabsorbierenden Harzes |
| JP5334080B2 (ja) * | 2006-05-29 | 2013-11-06 | 株式会社大貴 | 吸収体又は該吸収体を使用するシーツ |
| WO2008037675A1 (de) * | 2006-09-25 | 2008-04-03 | Basf Se | Verfahren zum klassieren wasserabsorbierender polymerpartikel |
| US20090261023A1 (en) | 2006-09-25 | 2009-10-22 | Basf Se | Method for the Classification of Water Absorbent Polymer Particles |
| CN101516530B (zh) * | 2006-09-25 | 2012-06-27 | 巴斯夫欧洲公司 | 吸水性聚合物颗粒的分级方法 |
| US8307987B2 (en) | 2006-11-03 | 2012-11-13 | Emerging Acquisitions, Llc | Electrostatic material separator |
| SA08290542B1 (ar) | 2007-08-28 | 2012-11-14 | نيبون شوكوباي كو. ، ليمتد | طريقة لإنتاج راتنج ماص للماء |
| US8618432B2 (en) | 2007-12-18 | 2013-12-31 | Emerging Acquisitions, Llc | Separation system for recyclable material |
| WO2009113672A1 (ja) | 2008-03-13 | 2009-09-17 | 株式会社日本触媒 | 吸水性樹脂の製造方法 |
| WO2009125849A1 (ja) | 2008-04-11 | 2009-10-15 | 株式会社日本触媒 | 吸水性樹脂の表面処理方法および吸水性樹脂の製造方法 |
| JP5560192B2 (ja) | 2008-09-16 | 2014-07-23 | 株式会社日本触媒 | 吸水性樹脂の製造方法および通液性向上方法 |
| WO2010094639A2 (de) | 2009-02-18 | 2010-08-26 | Basf Se | Verfahren zur herstellung wasserabsorbierender polymerpartikel |
| CN104974358B (zh) | 2009-03-31 | 2018-11-23 | 株式会社日本触媒 | 颗粒状吸水性树脂的制造方法 |
| WO2010124954A1 (de) | 2009-04-30 | 2010-11-04 | Basf Se | Verfahren zur abtrennung metallischer verunreinigungen |
| US8336714B2 (en) * | 2009-05-14 | 2012-12-25 | Emerging Acquistions, LLC | Heating system for material processing screen |
| WO2010131589A1 (ja) | 2009-05-15 | 2010-11-18 | 株式会社日本触媒 | (メタ)アクリル酸の製造方法 |
| EP2431350B1 (en) | 2009-05-15 | 2017-10-04 | Nippon Shokubai Co., Ltd. | Method for producing (meth)acrylic acid and crystallization system |
| US8586787B2 (en) | 2009-05-15 | 2013-11-19 | Nippon Shokubai Co., Ltd. | Process for producing (meth)acrylic acid |
| CN102498134B (zh) | 2009-09-16 | 2013-10-30 | 株式会社日本触媒 | 吸水性树脂粉末的制造方法 |
| WO2011042468A2 (de) * | 2009-10-09 | 2011-04-14 | Basf Se | Verfahren zur nachbefeuchtung oberflächennachvernetzter wasserabsorbierender polymerpartikel |
| US9976001B2 (en) | 2010-02-10 | 2018-05-22 | Nippon Shokubai Co., Ltd. | Process for producing water-absorbing resin powder |
| WO2011111857A1 (ja) | 2010-03-12 | 2011-09-15 | 株式会社日本触媒 | 吸水性樹脂の製造方法 |
| EP2548911B1 (en) * | 2010-03-17 | 2020-03-04 | Nippon Shokubai Co., Ltd. | Method of producing absorbent resin |
| US20130043384A1 (en) | 2010-04-26 | 2013-02-21 | Nippon Shokubai Co., Ltd. | Polyacrylic acid (salt), polyacrylic acid (salt)-based water-absorbing resin, and process for producing same |
| CN102858815B (zh) | 2010-04-26 | 2016-07-06 | 株式会社日本触媒 | 聚丙烯酸(盐)、聚丙烯酸(盐)系吸水性树脂及其制造方法 |
| JP5616437B2 (ja) | 2010-04-27 | 2014-10-29 | 株式会社日本触媒 | ポリアクリル酸（塩）系吸水性樹脂粉末の製造方法 |
| WO2012102406A1 (ja) | 2011-01-28 | 2012-08-02 | 株式会社日本触媒 | ポリアクリル酸（塩）系吸水性樹脂粉末の製造方法 |
| CN103459473B (zh) | 2011-01-28 | 2016-04-13 | 株式会社日本触媒 | 聚丙烯酸(盐)系吸水性树脂粉末的制造方法 |
| US9580519B2 (en) | 2011-04-20 | 2017-02-28 | Nippon Shokubai Co., Ltd. | Method and apparatus for producing polyacrylic acid (salt)-based water absorbent resin |
| WO2013073682A1 (ja) | 2011-11-16 | 2013-05-23 | 株式会社日本触媒 | ポリアクリル酸（塩）系吸水性樹脂の製造方法 |
| EP2881420B1 (en) | 2012-08-01 | 2022-10-19 | Nippon Shokubai Co., Ltd. | Process for producing polyacrylic acid (salt)-based water-absorbing resin |
| US9550843B2 (en) | 2012-11-27 | 2017-01-24 | Nippon Shokubai Co., Ltd. | Method for producing polyacrylic acid (salt)-based water absorbent resin |
| CN105593119B (zh) | 2013-09-30 | 2018-11-13 | 株式会社日本触媒 | 颗粒状吸水剂的填充方法和颗粒状吸水剂填充物的取样方法 |
| WO2016159144A1 (ja) * | 2015-04-02 | 2016-10-06 | 株式会社日本触媒 | ポリアクリル酸（塩）系吸水性樹脂を主成分とする粒子状吸水剤の製造方法 |
| EP3464427B1 (de) | 2016-05-31 | 2021-01-06 | Basf Se | Verfahren zur herstellung von superabsorbern |
| JP7287946B2 (ja) | 2017-07-31 | 2023-06-06 | ビーエーエスエフ ソシエタス・ヨーロピア | 超吸収性ポリマー粒子の分級方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1010522A (fr) * | 1948-09-06 | 1952-06-12 | Procédé de criblage ou de tamisage direct de matières humides et appareillage appliquant ce procédé | |
| US2868378A (en) * | 1952-11-03 | 1959-01-13 | Longwy Acieries | Electrically heated screens |
| US2850163A (en) * | 1954-02-23 | 1958-09-02 | Link Belt Co | Electrically heated vibrating screen |
| US2866551A (en) * | 1954-05-24 | 1958-12-30 | Schlebusch Ludwig | Induction influenced screening apparatus |
| US2808152A (en) * | 1956-01-04 | 1957-10-01 | Marble Cliff Quarries Company | Terminal construction for electrically heated screens of material separators |
| US2984357A (en) * | 1957-04-08 | 1961-05-16 | Kufferath Josef | Electrically heated screen for separating coarser material from accompanying fines |
| US3760941A (en) * | 1971-05-04 | 1973-09-25 | Kali & Salz Ag | Process for preparing highly free flowing rock or table salt |
| US3831290A (en) * | 1971-11-11 | 1974-08-27 | Monsanto Co | Method and apparatus for processing high nitrile polymers |
| JP2745703B2 (ja) * | 1989-07-26 | 1998-04-28 | 東亞合成株式会社 | 吸水性ポリマーの製造方法 |
| JPH03170323A (ja) * | 1989-11-29 | 1991-07-23 | Sakito Seien Kk | 乾燥分級方法および装置 |
| US5061735A (en) * | 1990-08-15 | 1991-10-29 | Plastic Recovery Systems, Inc. | Process for the separation of plastics |
| DE4127572C1 (enExample) * | 1991-08-21 | 1993-03-11 | Kali Und Salz Ag, 3500 Kassel, De | |
| US5398816A (en) * | 1993-07-20 | 1995-03-21 | Sweco, Incorporated | Fine mesh screening |
-
1997
- 1997-01-27 JP JP01292797A patent/JP3875757B2/ja not_active Expired - Fee Related
-
1998
- 1998-01-20 US US09/009,458 patent/US6164455A/en not_active Expired - Lifetime
- 1998-01-26 DE DE69809089T patent/DE69809089T2/de not_active Revoked
- 1998-01-26 EP EP98101305A patent/EP0855232B1/en not_active Revoked
Also Published As
| Publication number | Publication date |
|---|---|
| EP0855232A2 (en) | 1998-07-29 |
| EP0855232B1 (en) | 2002-11-06 |
| DE69809089D1 (de) | 2002-12-12 |
| JPH10202187A (ja) | 1998-08-04 |
| JP3875757B2 (ja) | 2007-01-31 |
| EP0855232A3 (en) | 1999-06-30 |
| US6164455A (en) | 2000-12-26 |
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