DRY PULP FOR PAPER MANUFACTURING
PURPOSE:To obtain dry pulp capable of forming paper or paper base materials good in dimensional stability to environmental humidity variation, by drying a pulp sheet under tensile force in the processes following the press process of its production. CONSTITUTION:A suspension of unbeaten broadleaf bl...
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| creator | ONO NAOTAKA ODAKA ISAO |
| description | PURPOSE:To obtain dry pulp capable of forming paper or paper base materials good in dimensional stability to environmental humidity variation, by drying a pulp sheet under tensile force in the processes following the press process of its production. CONSTITUTION:A suspension of unbeaten broadleaf bleached kraft pulp is made into a pulp mat which is then subjected to press dehydration to form a pulp sheet, and uniaxial or biaxial tensile force is applied to the pulp sheet to give it an extensional strain of >=0.5% followed by drying, thus obtaining a rigid dry pulp sheet retaining straight shape =8 in curl factor. This dry pulp sheet is immersed in water and disaggregated and then blended at 10-100wt.% with undried kraft pulp followed by conducting a papermaking process to obtain paper or a paper base material excellent in dimensional stability. |
| format | Patent |
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CONSTITUTION:A suspension of unbeaten broadleaf bleached kraft pulp is made into a pulp mat which is then subjected to press dehydration to form a pulp sheet, and uniaxial or biaxial tensile force is applied to the pulp sheet to give it an extensional strain of >=0.5% followed by drying, thus obtaining a rigid dry pulp sheet retaining straight shape <=4wt.% in finish moisture content and >=8 in curl factor. This dry pulp sheet is immersed in water and disaggregated and then blended at 10-100wt.% with undried kraft pulp followed by conducting a papermaking process to obtain paper or a paper base material excellent in dimensional stability.</description><edition>6</edition><language>eng</language><subject>APPARATUS THEREFOR ; IMPREGNATING OR COATING OF PAPER ; PAPER NOT OTHERWISE PROVIDED FOR ; PAPER-MAKING ; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D ; PRODUCTION OF CELLULOSE ; PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS ; PULP COMPOSITIONS ; REGENERATION OF PULPING LIQUORS ; TEXTILES ; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G ; TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKINGMACHINE</subject><creationdate>1995</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=19951107&DB=EPODOC&CC=JP&NR=H07292589A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19951107&DB=EPODOC&CC=JP&NR=H07292589A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ONO NAOTAKA</creatorcontrib><creatorcontrib>ODAKA ISAO</creatorcontrib><title>DRY PULP FOR PAPER MANUFACTURING</title><description>PURPOSE:To obtain dry pulp capable of forming paper or paper base materials good in dimensional stability to environmental humidity variation, by drying a pulp sheet under tensile force in the processes following the press process of its production. CONSTITUTION:A suspension of unbeaten broadleaf bleached kraft pulp is made into a pulp mat which is then subjected to press dehydration to form a pulp sheet, and uniaxial or biaxial tensile force is applied to the pulp sheet to give it an extensional strain of >=0.5% followed by drying, thus obtaining a rigid dry pulp sheet retaining straight shape <=4wt.% in finish moisture content and >=8 in curl factor. This dry pulp sheet is immersed in water and disaggregated and then blended at 10-100wt.% with undried kraft pulp followed by conducting a papermaking process to obtain paper or a paper base material excellent in dimensional stability.</description><subject>APPARATUS THEREFOR</subject><subject>IMPREGNATING OR COATING OF PAPER</subject><subject>PAPER NOT OTHERWISE PROVIDED FOR</subject><subject>PAPER-MAKING</subject><subject>PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D</subject><subject>PRODUCTION OF CELLULOSE</subject><subject>PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS</subject><subject>PULP COMPOSITIONS</subject><subject>REGENERATION OF PULPING LIQUORS</subject><subject>TEXTILES</subject><subject>TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G</subject><subject>TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKINGMACHINE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1995</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFBwCYpUCAj1CVBw8w9SCHAMcA1S8HX0C3VzdA4JDfL0c-dhYE1LzClO5YXS3AyKbq4hzh66qQX58anFBYnJqXmpJfFeAR4G5kaWRqYWlo7GxKgBAP7HIkA</recordid><startdate>19951107</startdate><enddate>19951107</enddate><creator>ONO NAOTAKA</creator><creator>ODAKA ISAO</creator><scope>EVB</scope></search><sort><creationdate>19951107</creationdate><title>DRY PULP FOR PAPER MANUFACTURING</title><author>ONO NAOTAKA ; ODAKA ISAO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH07292589A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1995</creationdate><topic>APPARATUS THEREFOR</topic><topic>IMPREGNATING OR COATING OF PAPER</topic><topic>PAPER NOT OTHERWISE PROVIDED FOR</topic><topic>PAPER-MAKING</topic><topic>PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D</topic><topic>PRODUCTION OF CELLULOSE</topic><topic>PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS</topic><topic>PULP COMPOSITIONS</topic><topic>REGENERATION OF PULPING LIQUORS</topic><topic>TEXTILES</topic><topic>TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G</topic><topic>TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKINGMACHINE</topic><toplevel>online_resources</toplevel><creatorcontrib>ONO NAOTAKA</creatorcontrib><creatorcontrib>ODAKA ISAO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ONO NAOTAKA</au><au>ODAKA ISAO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>DRY PULP FOR PAPER MANUFACTURING</title><date>1995-11-07</date><risdate>1995</risdate><abstract>PURPOSE:To obtain dry pulp capable of forming paper or paper base materials good in dimensional stability to environmental humidity variation, by drying a pulp sheet under tensile force in the processes following the press process of its production. CONSTITUTION:A suspension of unbeaten broadleaf bleached kraft pulp is made into a pulp mat which is then subjected to press dehydration to form a pulp sheet, and uniaxial or biaxial tensile force is applied to the pulp sheet to give it an extensional strain of >=0.5% followed by drying, thus obtaining a rigid dry pulp sheet retaining straight shape <=4wt.% in finish moisture content and >=8 in curl factor. This dry pulp sheet is immersed in water and disaggregated and then blended at 10-100wt.% with undried kraft pulp followed by conducting a papermaking process to obtain paper or a paper base material excellent in dimensional stability.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | APPARATUS THEREFOR IMPREGNATING OR COATING OF PAPER PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS PULP COMPOSITIONS REGENERATION OF PULPING LIQUORS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKINGMACHINE |
| title | DRY PULP FOR PAPER MANUFACTURING |
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