METHOD FOR STRETCHING THERMOPLASTIC RESIN FILM OR SHEET
PROBLEM TO BE SOLVED: To uniformize the stretching start and complesion positions of a sheet in the width direction thereof by dividing a heating furnace into respective preheating, heating, buffer and cooling zones and providing a mechanism discharging the atmospheres of the heating and cooling zon...
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| creator | OTSUBO AKITO KINAMI KAZUHIRO |
| description | PROBLEM TO BE SOLVED: To uniformize the stretching start and complesion positions of a sheet in the width direction thereof by dividing a heating furnace into respective preheating, heating, buffer and cooling zones and providing a mechanism discharging the atmospheres of the heating and cooling zones from the buffer zone to the outside of the heating furnace and set the respective zones to specific temps. SOLUTION: A heating furnace is divided into a preheating zone 1, a heating zone 2, a buffer zone 4 and a cooling zone 3 and the atmospheres of the heating and cooling zones 2, 3 are discharged from the buffer zone 4. During the passage of a thermoplastic resin film or sheet through a heating furnace, the temp. T1 of the preheating zone 1, the temp. T2 of the heating zone 2 and the temp. T3 of the cooling zone 3 are held to the ranges represented by the following formulae, that is Tg-50 deg.C |
| format | Patent |
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SOLUTION: A heating furnace is divided into a preheating zone 1, a heating zone 2, a buffer zone 4 and a cooling zone 3 and the atmospheres of the heating and cooling zones 2, 3 are discharged from the buffer zone 4. During the passage of a thermoplastic resin film or sheet through a heating furnace, the temp. T1 of the preheating zone 1, the temp. T2 of the heating zone 2 and the temp. T3 of the cooling zone 3 are held to the ranges represented by the following formulae, that is Tg-50 deg.C<=T1 deg.C<=Tg-10 deg.C, Tg-10 deg.C<=T2 deg.C<=Tg+10 deg.C and Tg-50 deg.C<=T3 deg.C<=Tg+10 deg.C (wherein Tg is the glass transition temp. of the thermoplastic resin film or sheet). As a result, heating or cooling air is mainly distributed and discharged through the buffer zone 4.]]></description><edition>6</edition><language>eng</language><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES ; PERFORMING OPERATIONS ; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR ; SHAPING OR JOINING OF PLASTICS ; TRANSPORTING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><creationdate>1997</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=19970729&DB=EPODOC&CC=JP&NR=H09193240A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19970729&DB=EPODOC&CC=JP&NR=H09193240A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>OTSUBO AKITO</creatorcontrib><creatorcontrib>KINAMI KAZUHIRO</creatorcontrib><title>METHOD FOR STRETCHING THERMOPLASTIC RESIN FILM OR SHEET</title><description><![CDATA[PROBLEM TO BE SOLVED: To uniformize the stretching start and complesion positions of a sheet in the width direction thereof by dividing a heating furnace into respective preheating, heating, buffer and cooling zones and providing a mechanism discharging the atmospheres of the heating and cooling zones from the buffer zone to the outside of the heating furnace and set the respective zones to specific temps. SOLUTION: A heating furnace is divided into a preheating zone 1, a heating zone 2, a buffer zone 4 and a cooling zone 3 and the atmospheres of the heating and cooling zones 2, 3 are discharged from the buffer zone 4. During the passage of a thermoplastic resin film or sheet through a heating furnace, the temp. T1 of the preheating zone 1, the temp. T2 of the heating zone 2 and the temp. T3 of the cooling zone 3 are held to the ranges represented by the following formulae, that is Tg-50 deg.C<=T1 deg.C<=Tg-10 deg.C, Tg-10 deg.C<=T2 deg.C<=Tg+10 deg.C and Tg-50 deg.C<=T3 deg.C<=Tg+10 deg.C (wherein Tg is the glass transition temp. of the thermoplastic resin film or sheet). As a result, heating or cooling air is mainly distributed and discharged through the buffer zone 4.]]></description><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</subject><subject>INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES</subject><subject>PERFORMING OPERATIONS</subject><subject>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</subject><subject>SHAPING OR JOINING OF PLASTICS</subject><subject>TRANSPORTING</subject><subject>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1997</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDD3dQ3x8HdRcPMPUggOCXINcfbw9HNXCPFwDfL1D_BxDA7xdFYIcg329FNw8_TxVQAp83B1DeFhYE1LzClO5YXS3AyKbiDNuqkF-fGpxQWJyal5qSXxXgEeBpaGlsZGJgaOxsSoAQBPQSh9</recordid><startdate>19970729</startdate><enddate>19970729</enddate><creator>OTSUBO AKITO</creator><creator>KINAMI KAZUHIRO</creator><scope>EVB</scope></search><sort><creationdate>19970729</creationdate><title>METHOD FOR STRETCHING THERMOPLASTIC RESIN FILM OR SHEET</title><author>OTSUBO AKITO ; KINAMI KAZUHIRO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH09193240A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1997</creationdate><topic>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</topic><topic>INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES</topic><topic>PERFORMING OPERATIONS</topic><topic>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</topic><topic>SHAPING OR JOINING OF PLASTICS</topic><topic>TRANSPORTING</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>OTSUBO AKITO</creatorcontrib><creatorcontrib>KINAMI KAZUHIRO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>OTSUBO AKITO</au><au>KINAMI KAZUHIRO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD FOR STRETCHING THERMOPLASTIC RESIN FILM OR SHEET</title><date>1997-07-29</date><risdate>1997</risdate><abstract><![CDATA[PROBLEM TO BE SOLVED: To uniformize the stretching start and complesion positions of a sheet in the width direction thereof by dividing a heating furnace into respective preheating, heating, buffer and cooling zones and providing a mechanism discharging the atmospheres of the heating and cooling zones from the buffer zone to the outside of the heating furnace and set the respective zones to specific temps. SOLUTION: A heating furnace is divided into a preheating zone 1, a heating zone 2, a buffer zone 4 and a cooling zone 3 and the atmospheres of the heating and cooling zones 2, 3 are discharged from the buffer zone 4. During the passage of a thermoplastic resin film or sheet through a heating furnace, the temp. T1 of the preheating zone 1, the temp. T2 of the heating zone 2 and the temp. T3 of the cooling zone 3 are held to the ranges represented by the following formulae, that is Tg-50 deg.C<=T1 deg.C<=Tg-10 deg.C, Tg-10 deg.C<=T2 deg.C<=Tg+10 deg.C and Tg-50 deg.C<=T3 deg.C<=Tg+10 deg.C (wherein Tg is the glass transition temp. of the thermoplastic resin film or sheet). As a result, heating or cooling air is mainly distributed and discharged through the buffer zone 4.]]></abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | METHOD FOR STRETCHING THERMOPLASTIC RESIN FILM OR SHEET |
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