STRETCHED POROUS POLYTETRAFLUOROETHYLENE MEMBRANE, AIR-PERMEABLE MEDIUM USING THE SAME, AND FILTER MEMBER USING THE SAME
A provided stretched porous polytetrafluoroethylene membrane has a node-fibril structure including a plurality of nodes and a fibril connecting the plurality of nodes. A ratio of an average length of the plurality of nodes in a thickness direction of the stretched porous polytetrafluoroethylene memb...
Gespeichert in:
| Hauptverfasser: | , , , |
|---|---|
| Format: | Patent |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | |
|---|---|
| container_issue | |
| container_start_page | |
| container_title | |
| container_volume | |
| creator | TAKAMURA, Yuichi KIGAMI, Hiroki KUROGI, Eisuke UEDA, Kodai |
| description | A provided stretched porous polytetrafluoroethylene membrane has a node-fibril structure including a plurality of nodes and a fibril connecting the plurality of nodes. A ratio of an average length of the plurality of nodes in a thickness direction of the stretched porous polytetrafluoroethylene membrane to a thickness of the stretched porous polytetrafluoroethylene membrane is 10% or more. The above stretched porous polytetrafluoroethylene membrane is less likely to suffer breakage. In the above stretched porous polytetrafluoroethylene membrane, assuming that there is a cuboid region having an upper surface and a lower surface respectively positioned at one membrane surface and the other membrane surface of the stretched porous polytetrafluoroethylene membrane, the number of the nodes included in the region may be 4 or less per micrometer thickness, the upper surface and the lower surface each having dimensions of 280 μm×280 μm. |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_US2023019449A1</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>US2023019449A1</sourcerecordid><originalsourceid>FETCH-epo_espacenet_US2023019449A13</originalsourceid><addsrcrecordid>eNqNjr0KwjAURrs4iPoOF7pa6N_SMbW3NpCk5eZm6FSKxEm0UAcf31Zc3JwOHM4H3zZ4WSbkU4MVdC21zi5QPSOTqJVbDHLTKzQIGnVJwuARhKSoQ9IoSrX6SjoNzkpzBm4QrNBrZCqopWKkz3LBb7EPNtfxNvvDl7sgrNcjkZ8eg5-n8eLv_jk4m8ZpFidFnhciyf6r3robOv8</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>STRETCHED POROUS POLYTETRAFLUOROETHYLENE MEMBRANE, AIR-PERMEABLE MEDIUM USING THE SAME, AND FILTER MEMBER USING THE SAME</title><source>esp@cenet</source><creator>TAKAMURA, Yuichi ; KIGAMI, Hiroki ; KUROGI, Eisuke ; UEDA, Kodai</creator><creatorcontrib>TAKAMURA, Yuichi ; KIGAMI, Hiroki ; KUROGI, Eisuke ; UEDA, Kodai</creatorcontrib><description>A provided stretched porous polytetrafluoroethylene membrane has a node-fibril structure including a plurality of nodes and a fibril connecting the plurality of nodes. A ratio of an average length of the plurality of nodes in a thickness direction of the stretched porous polytetrafluoroethylene membrane to a thickness of the stretched porous polytetrafluoroethylene membrane is 10% or more. The above stretched porous polytetrafluoroethylene membrane is less likely to suffer breakage. In the above stretched porous polytetrafluoroethylene membrane, assuming that there is a cuboid region having an upper surface and a lower surface respectively positioned at one membrane surface and the other membrane surface of the stretched porous polytetrafluoroethylene membrane, the number of the nodes included in the region may be 4 or less per micrometer thickness, the upper surface and the lower surface each having dimensions of 280 μm×280 μm.</description><language>eng</language><subject>PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; SEPARATION ; TRANSPORTING</subject><creationdate>2023</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=20230119&DB=EPODOC&CC=US&NR=2023019449A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230119&DB=EPODOC&CC=US&NR=2023019449A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TAKAMURA, Yuichi</creatorcontrib><creatorcontrib>KIGAMI, Hiroki</creatorcontrib><creatorcontrib>KUROGI, Eisuke</creatorcontrib><creatorcontrib>UEDA, Kodai</creatorcontrib><title>STRETCHED POROUS POLYTETRAFLUOROETHYLENE MEMBRANE, AIR-PERMEABLE MEDIUM USING THE SAME, AND FILTER MEMBER USING THE SAME</title><description>A provided stretched porous polytetrafluoroethylene membrane has a node-fibril structure including a plurality of nodes and a fibril connecting the plurality of nodes. A ratio of an average length of the plurality of nodes in a thickness direction of the stretched porous polytetrafluoroethylene membrane to a thickness of the stretched porous polytetrafluoroethylene membrane is 10% or more. The above stretched porous polytetrafluoroethylene membrane is less likely to suffer breakage. In the above stretched porous polytetrafluoroethylene membrane, assuming that there is a cuboid region having an upper surface and a lower surface respectively positioned at one membrane surface and the other membrane surface of the stretched porous polytetrafluoroethylene membrane, the number of the nodes included in the region may be 4 or less per micrometer thickness, the upper surface and the lower surface each having dimensions of 280 μm×280 μm.</description><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>SEPARATION</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjr0KwjAURrs4iPoOF7pa6N_SMbW3NpCk5eZm6FSKxEm0UAcf31Zc3JwOHM4H3zZ4WSbkU4MVdC21zi5QPSOTqJVbDHLTKzQIGnVJwuARhKSoQ9IoSrX6SjoNzkpzBm4QrNBrZCqopWKkz3LBb7EPNtfxNvvDl7sgrNcjkZ8eg5-n8eLv_jk4m8ZpFidFnhciyf6r3robOv8</recordid><startdate>20230119</startdate><enddate>20230119</enddate><creator>TAKAMURA, Yuichi</creator><creator>KIGAMI, Hiroki</creator><creator>KUROGI, Eisuke</creator><creator>UEDA, Kodai</creator><scope>EVB</scope></search><sort><creationdate>20230119</creationdate><title>STRETCHED POROUS POLYTETRAFLUOROETHYLENE MEMBRANE, AIR-PERMEABLE MEDIUM USING THE SAME, AND FILTER MEMBER USING THE SAME</title><author>TAKAMURA, Yuichi ; KIGAMI, Hiroki ; KUROGI, Eisuke ; UEDA, Kodai</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2023019449A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2023</creationdate><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>SEPARATION</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>TAKAMURA, Yuichi</creatorcontrib><creatorcontrib>KIGAMI, Hiroki</creatorcontrib><creatorcontrib>KUROGI, Eisuke</creatorcontrib><creatorcontrib>UEDA, Kodai</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TAKAMURA, Yuichi</au><au>KIGAMI, Hiroki</au><au>KUROGI, Eisuke</au><au>UEDA, Kodai</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>STRETCHED POROUS POLYTETRAFLUOROETHYLENE MEMBRANE, AIR-PERMEABLE MEDIUM USING THE SAME, AND FILTER MEMBER USING THE SAME</title><date>2023-01-19</date><risdate>2023</risdate><abstract>A provided stretched porous polytetrafluoroethylene membrane has a node-fibril structure including a plurality of nodes and a fibril connecting the plurality of nodes. A ratio of an average length of the plurality of nodes in a thickness direction of the stretched porous polytetrafluoroethylene membrane to a thickness of the stretched porous polytetrafluoroethylene membrane is 10% or more. The above stretched porous polytetrafluoroethylene membrane is less likely to suffer breakage. In the above stretched porous polytetrafluoroethylene membrane, assuming that there is a cuboid region having an upper surface and a lower surface respectively positioned at one membrane surface and the other membrane surface of the stretched porous polytetrafluoroethylene membrane, the number of the nodes included in the region may be 4 or less per micrometer thickness, the upper surface and the lower surface each having dimensions of 280 μm×280 μm.</abstract><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext_linktorsrc |
| identifier | |
| ispartof | |
| issn | |
| language | eng |
| recordid | cdi_epo_espacenet_US2023019449A1 |
| source | esp@cenet |
| subjects | PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING |
| title | STRETCHED POROUS POLYTETRAFLUOROETHYLENE MEMBRANE, AIR-PERMEABLE MEDIUM USING THE SAME, AND FILTER MEMBER USING THE SAME |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-05T09%3A34%3A05IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=TAKAMURA,%20Yuichi&rft.date=2023-01-19&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EUS2023019449A1%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |