PROCESS FOR PRODUCING TONER POWDER
Colored resinous particles suitable for use in toner powder for developing electrostatic latent images are produced from a pulverized feed at a good production efficiency and with a sharp particle size distribution through a classifying and pulverizing system including a second pulverization step as...
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| creator | NOBUYUKI ASAOKA NORIO HIKAKE NAOTO KITAMORI |
| description | Colored resinous particles suitable for use in toner powder for developing electrostatic latent images are produced from a pulverized feed at a good production efficiency and with a sharp particle size distribution through a classifying and pulverizing system including a second pulverization step associated with a second classification step in addition to a first classification step, such a second classification step and a first pulverization step. The pulverized feed supplied to the first classification step is classified into a first classified fine powder and a first coarse powder, which is then pulverized in the first pulverization step and recycled to the first classification step. The first classified fine powder is supplied to the second classification step and classified therein into a second classified fine powder and a second coarse powder, which is then pulverized in the second pulverization step and recycled to the first classification step or the second classification step. The second pulverization step is effected under the action of an impact force which is smaller than that exerted in the first pulverization step. |
| format | Patent |
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The pulverized feed supplied to the first classification step is classified into a first classified fine powder and a first coarse powder, which is then pulverized in the first pulverization step and recycled to the first classification step. The first classified fine powder is supplied to the second classification step and classified therein into a second classified fine powder and a second coarse powder, which is then pulverized in the second pulverization step and recycled to the first classification step or the second classification step. The second pulverization step is effected under the action of an impact force which is smaller than that exerted in the first pulverization step.</description><edition>5</edition><language>eng</language><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; CHEMISTRY ; CINEMATOGRAPHY ; COMPOSITIONS BASED THEREON ; CRUSHING, PULVERISING, OR DISINTEGRATING ; CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL ; ELECTROGRAPHY ; ELECTROPHOTOGRAPHY ; GENERAL PROCESSES OF COMPOUNDING ; HOLOGRAPHY ; MAGNETOGRAPHY ; METALLURGY ; MILLING GRAIN ; ORGANIC MACROMOLECULAR COMPOUNDS ; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL ; PERFORMING OPERATIONS ; PHOTOGRAPHY ; PHYSICS ; PREPARATORY TREATMENT OF GRAIN FOR MILLING ; SEPARATING SOLIDS FROM SOLIDS ; SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS ; SORTING ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TRANSPORTING ; WORKING-UP</subject><creationdate>1992</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19920930&DB=EPODOC&CC=CN&NR=1018459B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19920930&DB=EPODOC&CC=CN&NR=1018459B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NOBUYUKI ASAOKA</creatorcontrib><creatorcontrib>NORIO HIKAKE</creatorcontrib><creatorcontrib>NAOTO KITAMORI</creatorcontrib><title>PROCESS FOR PRODUCING TONER POWDER</title><description>Colored resinous particles suitable for use in toner powder for developing electrostatic latent images are produced from a pulverized feed at a good production efficiency and with a sharp particle size distribution through a classifying and pulverizing system including a second pulverization step associated with a second classification step in addition to a first classification step, such a second classification step and a first pulverization step. The pulverized feed supplied to the first classification step is classified into a first classified fine powder and a first coarse powder, which is then pulverized in the first pulverization step and recycled to the first classification step. The first classified fine powder is supplied to the second classification step and classified therein into a second classified fine powder and a second coarse powder, which is then pulverized in the second pulverization step and recycled to the first classification step or the second classification step. The second pulverization step is effected under the action of an impact force which is smaller than that exerted in the first pulverization step.</description><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G</subject><subject>CHEMISTRY</subject><subject>CINEMATOGRAPHY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>CRUSHING, PULVERISING, OR DISINTEGRATING</subject><subject>CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL</subject><subject>ELECTROGRAPHY</subject><subject>ELECTROPHOTOGRAPHY</subject><subject>GENERAL PROCESSES OF COMPOUNDING</subject><subject>HOLOGRAPHY</subject><subject>MAGNETOGRAPHY</subject><subject>METALLURGY</subject><subject>MILLING GRAIN</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL</subject><subject>PERFORMING OPERATIONS</subject><subject>PHOTOGRAPHY</subject><subject>PHYSICS</subject><subject>PREPARATORY TREATMENT OF GRAIN FOR MILLING</subject><subject>SEPARATING SOLIDS FROM SOLIDS</subject><subject>SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS</subject><subject>SORTING</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>TRANSPORTING</subject><subject>WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1992</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFAKCPJ3dg0OVnDzD1IAsl1CnT393BVC_P1cgXz_cBfXIB4G1rTEnOJUXijNzaDg5hri7KGbWpAfn1pckJicmpdaEu_sZ2hgaGFiaunkZEyEEgAHwyJP</recordid><startdate>19920930</startdate><enddate>19920930</enddate><creator>NOBUYUKI ASAOKA</creator><creator>NORIO HIKAKE</creator><creator>NAOTO KITAMORI</creator><scope>EVB</scope></search><sort><creationdate>19920930</creationdate><title>PROCESS FOR PRODUCING TONER POWDER</title><author>NOBUYUKI ASAOKA ; NORIO HIKAKE ; NAOTO KITAMORI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN1018459BB3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1992</creationdate><topic>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G</topic><topic>CHEMISTRY</topic><topic>CINEMATOGRAPHY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>CRUSHING, PULVERISING, OR DISINTEGRATING</topic><topic>CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL</topic><topic>ELECTROGRAPHY</topic><topic>ELECTROPHOTOGRAPHY</topic><topic>GENERAL PROCESSES OF COMPOUNDING</topic><topic>HOLOGRAPHY</topic><topic>MAGNETOGRAPHY</topic><topic>METALLURGY</topic><topic>MILLING GRAIN</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL</topic><topic>PERFORMING OPERATIONS</topic><topic>PHOTOGRAPHY</topic><topic>PHYSICS</topic><topic>PREPARATORY TREATMENT OF GRAIN FOR MILLING</topic><topic>SEPARATING SOLIDS FROM SOLIDS</topic><topic>SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS</topic><topic>SORTING</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>TRANSPORTING</topic><topic>WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>NOBUYUKI ASAOKA</creatorcontrib><creatorcontrib>NORIO HIKAKE</creatorcontrib><creatorcontrib>NAOTO KITAMORI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NOBUYUKI ASAOKA</au><au>NORIO HIKAKE</au><au>NAOTO KITAMORI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PROCESS FOR PRODUCING TONER POWDER</title><date>1992-09-30</date><risdate>1992</risdate><abstract>Colored resinous particles suitable for use in toner powder for developing electrostatic latent images are produced from a pulverized feed at a good production efficiency and with a sharp particle size distribution through a classifying and pulverizing system including a second pulverization step associated with a second classification step in addition to a first classification step, such a second classification step and a first pulverization step. The pulverized feed supplied to the first classification step is classified into a first classified fine powder and a first coarse powder, which is then pulverized in the first pulverization step and recycled to the first classification step. The first classified fine powder is supplied to the second classification step and classified therein into a second classified fine powder and a second coarse powder, which is then pulverized in the second pulverization step and recycled to the first classification step or the second classification step. The second pulverization step is effected under the action of an impact force which is smaller than that exerted in the first pulverization step.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY CINEMATOGRAPHY COMPOSITIONS BASED THEREON CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL ELECTROGRAPHY ELECTROPHOTOGRAPHY GENERAL PROCESSES OF COMPOUNDING HOLOGRAPHY MAGNETOGRAPHY METALLURGY MILLING GRAIN ORGANIC MACROMOLECULAR COMPOUNDS OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS PREPARATORY TREATMENT OF GRAIN FOR MILLING SEPARATING SOLIDS FROM SOLIDS SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS SORTING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP |
| title | PROCESS FOR PRODUCING TONER POWDER |
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