WO2009044506A1 - 微細化天然繊維、及び、微細化天然繊維を塗布したスピーカ用振動板 - Google Patents

微細化天然繊維、及び、微細化天然繊維を塗布したスピーカ用振動板 Download PDF

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Publication number
WO2009044506A1
WO2009044506A1 PCT/JP2008/002431 JP2008002431W WO2009044506A1 WO 2009044506 A1 WO2009044506 A1 WO 2009044506A1 JP 2008002431 W JP2008002431 W JP 2008002431W WO 2009044506 A1 WO2009044506 A1 WO 2009044506A1
Authority
WO
WIPO (PCT)
Prior art keywords
natural fiber
fine natural
speaker diaphragm
fine
diaphragm coated
Prior art date
Application number
PCT/JP2008/002431
Other languages
English (en)
French (fr)
Inventor
Kazuyoshi Mimura
Yukihiro Shimasaki
Hiroshi Shinkoda
Toshiyuki Koike
Original Assignee
Panasonic Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2007261739A external-priority patent/JP4952487B2/ja
Priority claimed from JP2007282697A external-priority patent/JP5125416B2/ja
Application filed by Panasonic Corporation filed Critical Panasonic Corporation
Priority to US12/674,983 priority Critical patent/US20110116658A1/en
Priority to CN200880110523.4A priority patent/CN101815820B/zh
Publication of WO2009044506A1 publication Critical patent/WO2009044506A1/ja

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/34—Other mills or refiners
    • D21D1/38—Other mills or refiners with horizontal shaft
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/021—Diaphragms comprising cellulose-like materials, e.g. wood, paper, linen
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/025—Diaphragms comprising polymeric materials
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
    • H04R7/125—Non-planar diaphragms or cones comprising a plurality of sections or layers comprising a plurality of superposed layers in contact
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/26—Damping by means acting directly on free portion of diaphragm or cone
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/298—Physical dimension

Abstract

　天然繊維を二軸混練装置により叩解する。１ｍ２／ｇ以上のＢＥＴ比表面積を有するように、前記叩解された天然繊維をビーズミルにより微細化する。 　この方法により、剛直な抄紙部品を得るための微細化繊維を短時間で作製することができる。
PCT/JP2008/002431 2007-10-05 2008-09-04 微細化天然繊維、及び、微細化天然繊維を塗布したスピーカ用振動板 WO2009044506A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/674,983 US20110116658A1 (en) 2007-10-05 2008-09-04 Fine natural fiber and speaker diaphragm coated with fine natural fiber
CN200880110523.4A CN101815820B (zh) 2007-10-05 2008-09-04 细微化天然纤维、扬声器用振动板、扬声器、设备

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-261739 2007-10-05
JP2007261739A JP4952487B2 (ja) 2007-10-05 2007-10-05 微細化天然繊維の製造方法および生産設備ならびにその製造方法にて製造された微細化天然繊維およびこの微細化天然繊維を用いたスピーカ用構成部品
JP2007282697A JP5125416B2 (ja) 2007-10-31 2007-10-31 スピーカ用振動板の製造方法及びこの製造方法により製造したスピーカ用振動板、同振動板を用いたスピーカ、同スピーカを用いた電子機器及び装置
JP2007-282697 2007-10-31

Publications (1)

Publication Number Publication Date
WO2009044506A1 true WO2009044506A1 (ja) 2009-04-09

Family

ID=40525939

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/002431 WO2009044506A1 (ja) 2007-10-05 2008-09-04 微細化天然繊維、及び、微細化天然繊維を塗布したスピーカ用振動板

Country Status (3)

Country Link
US (1) US20110116658A1 (ja)
CN (1) CN101815820B (ja)
WO (1) WO2009044506A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1992996B (zh) * 2005-12-30 2012-02-29 丁轶 扬声器振膜的分体式支承结构
KR101306961B1 (ko) 2011-12-22 2013-09-09 기아자동차주식회사 차량용 우퍼의 장착구조
CN107809728B (zh) * 2017-12-22 2023-11-21 镇江贝斯特新材料股份有限公司 受话器自动化柔性生产线的涂料预处理装置用粉碎结构

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61123398A (ja) * 1984-11-20 1986-06-11 Matsushita Electric Ind Co Ltd スピ−カ
JPH0418186A (ja) * 1990-05-02 1992-01-22 Kanzaki Paper Mfg Co Ltd 微細繊維化パルプの製造方法
JPH0583790A (ja) * 1991-05-13 1993-04-02 Foster Electric Co Ltd スピーカ用振動板
JPH0610286A (ja) * 1992-06-24 1994-01-18 New Oji Paper Co Ltd 微細繊維状セルロースの製造方法
JPH06212587A (ja) * 1991-03-11 1994-08-02 New Oji Paper Co Ltd 微細繊維状セルロースの製造方法
JP2005197916A (ja) * 2004-01-06 2005-07-21 Matsushita Electric Ind Co Ltd スピーカ用振動板およびこのスピーカ用振動板を用いたスピーカおよびこのスピーカを用いた電子機器
JP2008075214A (ja) * 2006-09-21 2008-04-03 Kimura Chem Plants Co Ltd ナノファイバーの製造方法およびナノファイバー

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3960651A (en) * 1963-10-14 1976-06-01 Daikin Kogyo Co., Ltd. Reinforced air-pervious polytetrafluorothylene sheet
JP2719261B2 (ja) * 1992-01-31 1998-02-25 シャープ株式会社 スピーカ振動板
TW354866B (en) * 1994-03-31 1999-03-21 Matsushita Electric Ind Co Ltd Loudspeaker and a method for producing the same
JP4018186B2 (ja) * 1997-01-30 2007-12-05 アロカ株式会社 同位体分析装置
JP4521981B2 (ja) * 2000-11-09 2010-08-11 キヤノン株式会社 繊維集合体の製造方法
US7485720B2 (en) * 2001-11-08 2009-02-03 Asahi Kasei Kabushiki Kaisha Cellulose-type material
JP3913113B2 (ja) * 2002-06-04 2007-05-09 パイオニア株式会社 スピーカ振動板及びその製造方法
CN1910233B (zh) * 2004-01-21 2010-12-01 旭化成化学株式会社 聚缩醛树脂组合物
JP4482372B2 (ja) * 2004-05-13 2010-06-16 パイオニア株式会社 電気音響変換器用振動板の製造方法
US7483545B2 (en) * 2004-07-07 2009-01-27 Tadashi Nagaoka Acoustic diaphragm
WO2006085598A1 (ja) * 2005-02-09 2006-08-17 Nippon Paper Industries Co., Ltd. パルプの叩解方法、工程用水の処理方法、並びにパルプ、紙の製造方法
JP4592500B2 (ja) * 2005-06-02 2010-12-01 パイオニア株式会社 スピーカー装置及びその製造方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61123398A (ja) * 1984-11-20 1986-06-11 Matsushita Electric Ind Co Ltd スピ−カ
JPH0418186A (ja) * 1990-05-02 1992-01-22 Kanzaki Paper Mfg Co Ltd 微細繊維化パルプの製造方法
JPH06212587A (ja) * 1991-03-11 1994-08-02 New Oji Paper Co Ltd 微細繊維状セルロースの製造方法
JPH0583790A (ja) * 1991-05-13 1993-04-02 Foster Electric Co Ltd スピーカ用振動板
JPH0610286A (ja) * 1992-06-24 1994-01-18 New Oji Paper Co Ltd 微細繊維状セルロースの製造方法
JP2005197916A (ja) * 2004-01-06 2005-07-21 Matsushita Electric Ind Co Ltd スピーカ用振動板およびこのスピーカ用振動板を用いたスピーカおよびこのスピーカを用いた電子機器
JP2008075214A (ja) * 2006-09-21 2008-04-03 Kimura Chem Plants Co Ltd ナノファイバーの製造方法およびナノファイバー

Also Published As

Publication number Publication date
CN101815820A (zh) 2010-08-25
CN101815820B (zh) 2012-03-07
US20110116658A1 (en) 2011-05-19

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