FOAMED MOLDED BODY OF POLYPROPYLENE RESIN
PROBLEM TO BE SOLVED: To provide a foamed molded body of a polypropylene resin which is improved in the strength of the boundary portion between a main body portion and a rib portion without increasing the thickness of the rib portion, in regard to the foamed molded body of the polypropylene resin h...
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| creator | KUGIMIYA YOICHI HONDA KOICHI |
| description | PROBLEM TO BE SOLVED: To provide a foamed molded body of a polypropylene resin which is improved in the strength of the boundary portion between a main body portion and a rib portion without increasing the thickness of the rib portion, in regard to the foamed molded body of the polypropylene resin having a rib of a relatively small thickness. SOLUTION: The foamed molded body is obtained by molding a material for the foamed molded body prepared by using the polypropylene resin. It has the main body portion and the rib portion provided perpendicularly to the main body portion and the thickness (Tr) of the rib portion is 3 mm or less, or the thickness ratio (Tr/Tb) between the thickness (Tr) of the rib portion and the thickness (Tb) of the main body portion is 0.8 or less. The main body portion and the rib portion are constituted respectively of a non-foamed surface layer and an intermediate layer having a foamed structure and the respective intermediate layers of the main body portion and the rib portion are joined together. The foamed molded body of the polypropylene resin is molded by using the material for the foamed molded body prepared by using the polypropylene resin of which the melt flow rate and the melting tensile force satisfy a prescribed relation. |
| format | Patent |
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SOLUTION: The foamed molded body is obtained by molding a material for the foamed molded body prepared by using the polypropylene resin. It has the main body portion and the rib portion provided perpendicularly to the main body portion and the thickness (Tr) of the rib portion is 3 mm or less, or the thickness ratio (Tr/Tb) between the thickness (Tr) of the rib portion and the thickness (Tb) of the main body portion is 0.8 or less. The main body portion and the rib portion are constituted respectively of a non-foamed surface layer and an intermediate layer having a foamed structure and the respective intermediate layers of the main body portion and the rib portion are joined together. The foamed molded body of the polypropylene resin is molded by using the material for the foamed molded body prepared by using the polypropylene resin of which the melt flow rate and the melting tensile force satisfy a prescribed relation.</description><edition>7</edition><language>eng</language><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; GENERAL PROCESSES OF COMPOUNDING ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PERFORMING OPERATIONS ; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR ; SHAPING OR JOINING OF PLASTICS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TRANSPORTING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL ; WORKING-UP</subject><creationdate>2002</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=20020122&DB=EPODOC&CC=JP&NR=2002018887A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76419</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20020122&DB=EPODOC&CC=JP&NR=2002018887A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KUGIMIYA YOICHI</creatorcontrib><creatorcontrib>HONDA KOICHI</creatorcontrib><title>FOAMED MOLDED BODY OF POLYPROPYLENE RESIN</title><description>PROBLEM TO BE SOLVED: To provide a foamed molded body of a polypropylene resin which is improved in the strength of the boundary portion between a main body portion and a rib portion without increasing the thickness of the rib portion, in regard to the foamed molded body of the polypropylene resin having a rib of a relatively small thickness. SOLUTION: The foamed molded body is obtained by molding a material for the foamed molded body prepared by using the polypropylene resin. It has the main body portion and the rib portion provided perpendicularly to the main body portion and the thickness (Tr) of the rib portion is 3 mm or less, or the thickness ratio (Tr/Tb) between the thickness (Tr) of the rib portion and the thickness (Tb) of the main body portion is 0.8 or less. The main body portion and the rib portion are constituted respectively of a non-foamed surface layer and an intermediate layer having a foamed structure and the respective intermediate layers of the main body portion and the rib portion are joined together. The foamed molded body of the polypropylene resin is molded by using the material for the foamed molded body prepared by using the polypropylene resin of which the melt flow rate and the melting tensile force satisfy a prescribed relation.</description><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G</subject><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</subject><subject>GENERAL PROCESSES OF COMPOUNDING</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</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>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>TRANSPORTING</subject><subject>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><subject>WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2002</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNB083f0dXVR8PX3cQFSTv4ukQr-bgoB_j6RAUH-AZE-rn6uCkGuwZ5-PAysaYk5xam8UJqbQcnNNcTZQze1ID8-tbggMTk1L7Uk3ivAyMDAyMDQwsLC3NGYKEUAbhkk0w</recordid><startdate>20020122</startdate><enddate>20020122</enddate><creator>KUGIMIYA YOICHI</creator><creator>HONDA KOICHI</creator><scope>EVB</scope></search><sort><creationdate>20020122</creationdate><title>FOAMED MOLDED BODY OF POLYPROPYLENE RESIN</title><author>KUGIMIYA YOICHI ; HONDA KOICHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2002018887A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2002</creationdate><topic>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G</topic><topic>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</topic><topic>GENERAL PROCESSES OF COMPOUNDING</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</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>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>TRANSPORTING</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><topic>WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>KUGIMIYA YOICHI</creatorcontrib><creatorcontrib>HONDA KOICHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KUGIMIYA YOICHI</au><au>HONDA KOICHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>FOAMED MOLDED BODY OF POLYPROPYLENE RESIN</title><date>2002-01-22</date><risdate>2002</risdate><abstract>PROBLEM TO BE SOLVED: To provide a foamed molded body of a polypropylene resin which is improved in the strength of the boundary portion between a main body portion and a rib portion without increasing the thickness of the rib portion, in regard to the foamed molded body of the polypropylene resin having a rib of a relatively small thickness. SOLUTION: The foamed molded body is obtained by molding a material for the foamed molded body prepared by using the polypropylene resin. It has the main body portion and the rib portion provided perpendicularly to the main body portion and the thickness (Tr) of the rib portion is 3 mm or less, or the thickness ratio (Tr/Tb) between the thickness (Tr) of the rib portion and the thickness (Tb) of the main body portion is 0.8 or less. The main body portion and the rib portion are constituted respectively of a non-foamed surface layer and an intermediate layer having a foamed structure and the respective intermediate layers of the main body portion and the rib portion are joined together. The foamed molded body of the polypropylene resin is molded by using the material for the foamed molded body prepared by using the polypropylene resin of which the melt flow rate and the melting tensile force satisfy a prescribed relation.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP |
| title | FOAMED MOLDED BODY OF POLYPROPYLENE RESIN |
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