WO2009011315A1 - 防水通音膜、防水通音膜の製造方法およびそれを用いた電気製品 - Google Patents

防水通音膜、防水通音膜の製造方法およびそれを用いた電気製品 Download PDF

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Publication number
WO2009011315A1
WO2009011315A1 PCT/JP2008/062607 JP2008062607W WO2009011315A1 WO 2009011315 A1 WO2009011315 A1 WO 2009011315A1 JP 2008062607 W JP2008062607 W JP 2008062607W WO 2009011315 A1 WO2009011315 A1 WO 2009011315A1
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WO
WIPO (PCT)
Prior art keywords
water
membrane
proof sound
transmitting membrane
transmitting
Prior art date
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Ceased
Application number
PCT/JP2008/062607
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English (en)
French (fr)
Inventor
Yuri Horie
Kouji Furuuchi
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Nitto Denko Corp
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Nitto Denko Corp
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Filing date
Publication date
Application filed by Nitto Denko Corp filed Critical Nitto Denko Corp
Priority to US12/669,305 priority Critical patent/US8695812B2/en
Priority to EP08791088.1A priority patent/EP2174778B1/en
Priority to CN200880024909A priority patent/CN101795858A/zh
Publication of WO2009011315A1 publication Critical patent/WO2009011315A1/ja
Anticipated expiration legal-status Critical
Priority to US13/713,711 priority patent/US8663530B2/en
Ceased legal-status Critical Current

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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
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    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
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    • B32B5/32—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20—Manufacture of shaped structures of ion-exchange resins
    • C08J5/22—Films, membranes or diaphragms
    • C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
    • C08J5/2218—Synthetic macromolecular compounds
    • C08J5/2231—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds
    • C08J5/2237—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds containing fluorine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
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    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Laminated Bodies (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

　防水通音膜１０は、ポリテトラフルオロエチレン多孔質膜１を含むものであり、面密度が１～２０ｇ／ｍ2である。ポリテトラフルオロエチレン多孔質膜１は、第１多孔質層１ａと、ポリテトラフルオロエチレンのマトリクス間に働く結着力に基づいて第１多孔質層１ａに積層および一体化された第２多孔質層１ｂとを含む。
PCT/JP2008/062607 2007-07-18 2008-07-11 防水通音膜、防水通音膜の製造方法およびそれを用いた電気製品 Ceased WO2009011315A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/669,305 US8695812B2 (en) 2007-07-18 2008-07-11 Water-proof sound-transmitting membrane, method for producing water-proof sound-transmitting membrane, and electrical appliance using the membrane
EP08791088.1A EP2174778B1 (en) 2007-07-18 2008-07-11 Water-proof sound-transmitting membrane, method for production of water-proof sound-transmitting membrane, and electrical appliance using the membrane
CN200880024909A CN101795858A (zh) 2007-07-18 2008-07-11 防水透声膜、防水透声膜的制造方法及使用其的电器
US13/713,711 US8663530B2 (en) 2007-07-18 2012-12-13 Water-proof sound-transmitting membrane, method for producing water-proof sound-transmitting membrane, and electrical appliance using the membrane

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-187423 2007-07-18
JP2007187423 2007-07-18

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US12/669,305 A-371-Of-International US8695812B2 (en) 2007-07-18 2008-07-11 Water-proof sound-transmitting membrane, method for producing water-proof sound-transmitting membrane, and electrical appliance using the membrane
US13/713,711 Division US8663530B2 (en) 2007-07-18 2012-12-13 Water-proof sound-transmitting membrane, method for producing water-proof sound-transmitting membrane, and electrical appliance using the membrane

Publications (1)

Publication Number Publication Date
WO2009011315A1 true WO2009011315A1 (ja) 2009-01-22

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PCT/JP2008/062607 Ceased WO2009011315A1 (ja) 2007-07-18 2008-07-11 防水通音膜、防水通音膜の製造方法およびそれを用いた電気製品

Country Status (7)

Country Link
US (2) US8695812B2 (ja)
EP (1) EP2174778B1 (ja)
JP (1) JP5160984B2 (ja)
KR (1) KR20100041839A (ja)
CN (2) CN107089046B (ja)
TW (1) TWI485192B (ja)
WO (1) WO2009011315A1 (ja)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010052976A1 (ja) * 2008-11-04 2010-05-14 日東電工株式会社 ポリテトラフルオロエチレン多孔質膜およびその製造方法ならびに防水通気フィルタ
WO2010084912A1 (ja) * 2009-01-21 2010-07-29 日東電工株式会社 防水通音膜とその製造方法ならびにそれを用いた電気製品
CN102271173A (zh) * 2010-06-02 2011-12-07 德信无线通讯科技（北京）有限公司 移动通信终端的防水通话器及其移动通信终端
WO2012164799A1 (ja) * 2011-06-01 2012-12-06 日東電工株式会社 防水通音部材およびその製造方法、ならびに防水通音部材担持体
WO2012164800A1 (ja) * 2011-06-01 2012-12-06 日東電工株式会社 防水通音部材
WO2014020882A1 (ja) * 2012-08-02 2014-02-06 日東電工株式会社 ポリテトラフルオロエチレン多孔質膜およびその製造方法、並びに、それを用いた通気膜および通気部材
US8663530B2 (en) 2007-07-18 2014-03-04 Nitto Denko Corporation Water-proof sound-transmitting membrane, method for producing water-proof sound-transmitting membrane, and electrical appliance using the membrane
US20140232033A1 (en) * 2009-10-30 2014-08-21 Bha Altair, Llc Porous Membrane
WO2015129156A1 (ja) * 2014-02-26 2015-09-03 日東電工株式会社 防水通音膜の製造方法、防水通音膜及び電子機器
WO2017090247A1 (ja) * 2015-11-24 2017-06-01 日東電工株式会社 ポリテトラフルオロエチレン多孔質膜
WO2021010197A1 (ja) * 2019-07-12 2021-01-21 日東電工株式会社 保護カバー部材及びこれを備える部材供給用シート

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5155927B2 (ja) * 2009-04-08 2013-03-06 日東電工株式会社 防水通音膜とそれを用いた防水通音部材および電気製品
JP4874383B2 (ja) * 2009-12-01 2012-02-15 日本ゴア株式会社 通気フィルター、該通気フィルターの固定方法、および電気装置の製造方法。
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