복합 흡음재

두께가 얇고, 낮은 단위 중량 영역에서도, 저주파수, 중주파수, 고주파수의 광역에서 흡음성을 발휘할 수 있는 복합 흡음재를 제공한다. 본 발명에 따른 복합 흡음재는, 기재와 표피재를 포함하는 2층 이상으로 구성되며, 상기 표피재가 최외층에 배치된 복합 흡음재로서, 상기 표피재의 단위 면적당의 표면적(㎡/㎡)과, 상기 기재의 단위 면적당의 표면적(㎡/㎡)의 비율(표피재:기재)이 1:5 이상 1:40 미만인 것을 특징으로 한다. Provided is a composite sound-absorbing material that can ex...

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Hauptverfasser:	OKAMURA CHIE, NAKANISHI YASUO, KOMATSU TAKASHI, SHIOTA EIJI, YAMAMURO SHINYA
Format:	Patent
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Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR BRAIDING COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS KNITTING LACE-MAKING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS NON-WOVEN FABRICS PERFORMING OPERATIONS PHYSICS SOUND-PRODUCING DEVICES TEXTILES TRANSPORTING TRIMMINGS WADDING
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creator	OKAMURA CHIE NAKANISHI YASUO KOMATSU TAKASHI SHIOTA EIJI YAMAMURO SHINYA
description	두께가 얇고, 낮은 단위 중량 영역에서도, 저주파수, 중주파수, 고주파수의 광역에서 흡음성을 발휘할 수 있는 복합 흡음재를 제공한다. 본 발명에 따른 복합 흡음재는, 기재와 표피재를 포함하는 2층 이상으로 구성되며, 상기 표피재가 최외층에 배치된 복합 흡음재로서, 상기 표피재의 단위 면적당의 표면적(㎡/㎡)과, 상기 기재의 단위 면적당의 표면적(㎡/㎡)의 비율(표피재:기재)이 1:5 이상 1:40 미만인 것을 특징으로 한다. Provided is a composite sound-absorbing material that can exhibit sound absorption properties in a broad range of low frequencies, intermediate frequencies, and high frequencies even in a low-basis-weight region having low thickness. The composite sound-absorbing material according to the present invention is configured from two or more layers including a base material and a skin material, the skin material being positioned on the outermost layer, wherein the composite sound-absorbing material is characterized in that the ratio (skin material:base material) of the surface area (m2/m2) per unit area of the skin material and the surface area (m2/m2) per unit area of the base material is at least 1:5 and less than 1:40.
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Provided is a composite sound-absorbing material that can exhibit sound absorption properties in a broad range of low frequencies, intermediate frequencies, and high frequencies even in a low-basis-weight region having low thickness. The composite sound-absorbing material according to the present invention is configured from two or more layers including a base material and a skin material, the skin material being positioned on the outermost layer, wherein the composite sound-absorbing material is characterized in that the ratio (skin material:base material) of the surface area (m2/m2) per unit area of the skin material and the surface area (m2/m2) per unit area of the base material is at least 1:5 and less than 1:40.</description><language>kor</language><subject>ACOUSTICS ; ACOUSTICS NOT OTHERWISE PROVIDED FOR ; BRAIDING ; COTTON-WOOL ; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS ; KNITTING ; LACE-MAKING ; LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL ; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL ; MUSICAL INSTRUMENTS ; NON-WOVEN FABRICS ; PERFORMING OPERATIONS ; PHYSICS ; SOUND-PRODUCING DEVICES ; TEXTILES ; TRANSPORTING ; TRIMMINGS ; WADDING</subject><creationdate>2022</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=20221205&DB=EPODOC&CC=KR&NR=20220160115A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20221205&DB=EPODOC&CC=KR&NR=20220160115A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>OKAMURA CHIE</creatorcontrib><creatorcontrib>NAKANISHI YASUO</creatorcontrib><creatorcontrib>KOMATSU TAKASHI</creatorcontrib><creatorcontrib>SHIOTA EIJI</creatorcontrib><creatorcontrib>YAMAMURO SHINYA</creatorcontrib><title>복합 흡음재</title><description>두께가 얇고, 낮은 단위 중량 영역에서도, 저주파수, 중주파수, 고주파수의 광역에서 흡음성을 발휘할 수 있는 복합 흡음재를 제공한다. 본 발명에 따른 복합 흡음재는, 기재와 표피재를 포함하는 2층 이상으로 구성되며, 상기 표피재가 최외층에 배치된 복합 흡음재로서, 상기 표피재의 단위 면적당의 표면적(㎡/㎡)과, 상기 기재의 단위 면적당의 표면적(㎡/㎡)의 비율(표피재:기재)이 1:5 이상 1:40 미만인 것을 특징으로 한다. Provided is a composite sound-absorbing material that can exhibit sound absorption properties in a broad range of low frequencies, intermediate frequencies, and high frequencies even in a low-basis-weight region having low thickness. The composite sound-absorbing material according to the present invention is configured from two or more layers including a base material and a skin material, the skin material being positioned on the outermost layer, wherein the composite sound-absorbing material is characterized in that the ratio (skin material:base material) of the surface area (m2/m2) per unit area of the skin material and the surface area (m2/m2) per unit area of the base material is at least 1:5 and less than 1:40.</description><subject>ACOUSTICS</subject><subject>ACOUSTICS NOT OTHERWISE PROVIDED FOR</subject><subject>BRAIDING</subject><subject>COTTON-WOOL</subject><subject>FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS</subject><subject>KNITTING</subject><subject>LACE-MAKING</subject><subject>LAYERED PRODUCTS</subject><subject>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</subject><subject>MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL</subject><subject>METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL</subject><subject>MUSICAL INSTRUMENTS</subject><subject>NON-WOVEN FABRICS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>SOUND-PRODUCING DEVICES</subject><subject>TEXTILES</subject><subject>TRANSPORTING</subject><subject>TRIMMINGS</subject><subject>WADDING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBB4vXnr26krFd7OXfhmbs-beWt4GFjTEnOKU3mhNDeDsptriLOHbmpBfnxqcUFicmpeakm8d5CRgZGRgaGZgaGhqaMxcaoACH8kzw</recordid><startdate>20221205</startdate><enddate>20221205</enddate><creator>OKAMURA CHIE</creator><creator>NAKANISHI YASUO</creator><creator>KOMATSU TAKASHI</creator><creator>SHIOTA EIJI</creator><creator>YAMAMURO SHINYA</creator><scope>EVB</scope></search><sort><creationdate>20221205</creationdate><title>복합 흡음재</title><author>OKAMURA CHIE ; NAKANISHI YASUO ; KOMATSU TAKASHI ; SHIOTA EIJI ; YAMAMURO SHINYA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_KR20220160115A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>kor</language><creationdate>2022</creationdate><topic>ACOUSTICS</topic><topic>ACOUSTICS NOT OTHERWISE PROVIDED FOR</topic><topic>BRAIDING</topic><topic>COTTON-WOOL</topic><topic>FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS</topic><topic>KNITTING</topic><topic>LACE-MAKING</topic><topic>LAYERED PRODUCTS</topic><topic>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</topic><topic>MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL</topic><topic>METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL</topic><topic>MUSICAL INSTRUMENTS</topic><topic>NON-WOVEN FABRICS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>SOUND-PRODUCING DEVICES</topic><topic>TEXTILES</topic><topic>TRANSPORTING</topic><topic>TRIMMINGS</topic><topic>WADDING</topic><toplevel>online_resources</toplevel><creatorcontrib>OKAMURA CHIE</creatorcontrib><creatorcontrib>NAKANISHI YASUO</creatorcontrib><creatorcontrib>KOMATSU TAKASHI</creatorcontrib><creatorcontrib>SHIOTA EIJI</creatorcontrib><creatorcontrib>YAMAMURO SHINYA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>OKAMURA CHIE</au><au>NAKANISHI YASUO</au><au>KOMATSU TAKASHI</au><au>SHIOTA EIJI</au><au>YAMAMURO SHINYA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>복합 흡음재</title><date>2022-12-05</date><risdate>2022</risdate><abstract>두께가 얇고, 낮은 단위 중량 영역에서도, 저주파수, 중주파수, 고주파수의 광역에서 흡음성을 발휘할 수 있는 복합 흡음재를 제공한다. 본 발명에 따른 복합 흡음재는, 기재와 표피재를 포함하는 2층 이상으로 구성되며, 상기 표피재가 최외층에 배치된 복합 흡음재로서, 상기 표피재의 단위 면적당의 표면적(㎡/㎡)과, 상기 기재의 단위 면적당의 표면적(㎡/㎡)의 비율(표피재:기재)이 1:5 이상 1:40 미만인 것을 특징으로 한다. Provided is a composite sound-absorbing material that can exhibit sound absorption properties in a broad range of low frequencies, intermediate frequencies, and high frequencies even in a low-basis-weight region having low thickness. The composite sound-absorbing material according to the present invention is configured from two or more layers including a base material and a skin material, the skin material being positioned on the outermost layer, wherein the composite sound-absorbing material is characterized in that the ratio (skin material:base material) of the surface area (m2/m2) per unit area of the skin material and the surface area (m2/m2) per unit area of the base material is at least 1:5 and less than 1:40.</abstract><oa>free_for_read</oa></addata></record>
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subjects	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR BRAIDING COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS KNITTING LACE-MAKING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS NON-WOVEN FABRICS PERFORMING OPERATIONS PHYSICS SOUND-PRODUCING DEVICES TEXTILES TRANSPORTING TRIMMINGS WADDING
title	복합 흡음재
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