DE69018925D1 - Lautsprechermembran und Verfahren zu deren Herstellung. - Google Patents
Lautsprechermembran und Verfahren zu deren Herstellung.Info
- Publication number
- DE69018925D1 DE69018925D1 DE69018925T DE69018925T DE69018925D1 DE 69018925 D1 DE69018925 D1 DE 69018925D1 DE 69018925 T DE69018925 T DE 69018925T DE 69018925 T DE69018925 T DE 69018925T DE 69018925 D1 DE69018925 D1 DE 69018925D1
- Authority
- DE
- Germany
- Prior art keywords
- polyolefin
- ultra
- diaphragm
- molecular weight
- high molecular
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
- 229920000098 polyolefin Polymers 0.000 abstract 6
- 238000002844 melting Methods 0.000 abstract 3
- 230000008018 melting Effects 0.000 abstract 3
- 239000000203 mixture Substances 0.000 abstract 3
- 238000001746 injection moulding Methods 0.000 abstract 1
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 238000006116 polymerization reaction Methods 0.000 abstract 1
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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2308/00—Chemical blending or stepwise polymerisation process with the same catalyst
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2231/00—Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
- H04R2231/001—Moulding aspects of diaphragm or surround
-
- 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
- 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
- H04R2307/029—Diaphragms comprising fibres
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1275721A JP2670365B2 (ja) | 1989-10-23 | 1989-10-23 | 振動板の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69018925D1 true DE69018925D1 (de) | 1995-06-01 |
DE69018925T2 DE69018925T2 (de) | 1995-12-07 |
Family
ID=17559455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69018925T Expired - Lifetime DE69018925T2 (de) | 1989-10-23 | 1990-10-22 | Lautsprechermembran und Verfahren zu deren Herstellung. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5180785A (de) |
EP (1) | EP0424841B1 (de) |
JP (1) | JP2670365B2 (de) |
KR (1) | KR0175654B1 (de) |
AT (1) | ATE121899T1 (de) |
CA (1) | CA2028171C (de) |
DE (1) | DE69018925T2 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2665321A1 (fr) * | 1990-07-23 | 1992-01-31 | Fontaine Pierre | Procede de fabrication de membranes pour applications electro-mecaniques, notamment pour tranducteurs electro-mecaniques et produit en resultant. |
JP3030914B2 (ja) * | 1991-05-16 | 2000-04-10 | ソニー株式会社 | 音響振動板の製造方法 |
ATE132681T1 (de) * | 1992-01-15 | 1996-01-15 | Patrick Arthur Leach | Verfahren und vorrichtung zur herstellung eines lautsprecherkonus und einer sickenanordnung |
US5368695A (en) * | 1992-05-15 | 1994-11-29 | Sony Corporation | Method for producing an acoustic vibration plate |
US5920040A (en) * | 1997-02-27 | 1999-07-06 | Kenneth R. Lavacot | Speaker diaphragm |
JP2002320290A (ja) * | 2001-04-19 | 2002-10-31 | Pioneer Electronic Corp | スピーカ用部品およびその製造方法 |
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 |
JP4710462B2 (ja) * | 2005-07-21 | 2011-06-29 | ソニー株式会社 | スピーカ振動板及びスピーカ振動板製造方法 |
JP2007049471A (ja) * | 2005-08-10 | 2007-02-22 | Sony Corp | スピーカ振動板 |
US20070128459A1 (en) * | 2005-12-07 | 2007-06-07 | Kurian Joseph V | Poly(trimethylene terephthalate)/poly(alpha-hydroxy acid) films |
JP5290132B2 (ja) * | 2009-01-16 | 2013-09-18 | ミネベア株式会社 | スピーカ用振動板およびこれを用いたスピーカ |
JP6074584B2 (ja) * | 2012-01-25 | 2017-02-08 | パナソニックIpマネジメント株式会社 | 高アスペクト比幅狭型振動板または薄型振動板の製造方法と、この製造方法で製造されたスピーカ用振動板、スピーカ、電子機器、移動体装置。 |
KR101583742B1 (ko) | 2013-11-14 | 2016-01-08 | 한국생산기술연구원 | 아민과 이산화탄소 및 에폭시 화합물로부터 치환우레아 및 카바메이트류 화합물의 제조방법 |
EP3086570B1 (de) * | 2015-04-24 | 2019-09-04 | Teijin Aramid B.V. | Lautsprecher und folie zur verwendung in der lautsprechermembran |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4471085A (en) * | 1982-03-08 | 1984-09-11 | Matsushita Electric Industrial Co., Ltd. | Diaphragm material for loudspeakers |
JPS58182994A (ja) * | 1982-04-20 | 1983-10-26 | Toyobo Co Ltd | 音響材料 |
JPH0642755B2 (ja) * | 1983-02-14 | 1994-06-01 | 松下電器産業株式会社 | スピ−カ用振動板の製造方法 |
JPH0692457B2 (ja) * | 1985-05-30 | 1994-11-16 | 日本石油株式会社 | 射出成形性の改良された超高分子量ポリエチレン組成物 |
JP2505752B2 (ja) * | 1985-06-27 | 1996-06-12 | 三井石油化学工業株式会社 | 成形用ポリオレフイン組成物 |
JPS62156928A (ja) * | 1985-12-28 | 1987-07-11 | Mitsui Petrochem Ind Ltd | ポリエチレンフイルムの製造方法 |
JPS62263796A (ja) * | 1986-05-09 | 1987-11-16 | Pioneer Electronic Corp | スピ−カ用振動板 |
JP2647653B2 (ja) * | 1987-01-31 | 1997-08-27 | ソニー株式会社 | 音響用振動板 |
JPH01295598A (ja) * | 1988-02-26 | 1989-11-29 | Yasuhiro Shinjiyou | スピーカー |
JPH1060099A (ja) * | 1996-08-27 | 1998-03-03 | Takasago Internatl Corp | 生分解性高分子組成物からなる繊維およびその製造方法 |
-
1989
- 1989-10-23 JP JP1275721A patent/JP2670365B2/ja not_active Expired - Lifetime
-
1990
- 1990-10-22 KR KR1019900016855A patent/KR0175654B1/ko not_active IP Right Cessation
- 1990-10-22 AT AT90120209T patent/ATE121899T1/de not_active IP Right Cessation
- 1990-10-22 CA CA002028171A patent/CA2028171C/en not_active Expired - Lifetime
- 1990-10-22 EP EP90120209A patent/EP0424841B1/de not_active Expired - Lifetime
- 1990-10-22 DE DE69018925T patent/DE69018925T2/de not_active Expired - Lifetime
- 1990-10-23 US US07/601,391 patent/US5180785A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5180785A (en) | 1993-01-19 |
EP0424841A2 (de) | 1991-05-02 |
CA2028171A1 (en) | 1991-04-24 |
CA2028171C (en) | 1998-07-14 |
ATE121899T1 (de) | 1995-05-15 |
JP2670365B2 (ja) | 1997-10-29 |
DE69018925T2 (de) | 1995-12-07 |
JPH03136598A (ja) | 1991-06-11 |
EP0424841A3 (en) | 1992-11-25 |
KR910009114A (ko) | 1991-05-31 |
KR0175654B1 (ko) | 1999-05-15 |
EP0424841B1 (de) | 1995-04-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: MITSUI CHEMICALS, INC., TOKIO/TOKYO, JP SONY CORP. |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: SONY CORP., TOKIO/TOKYO, JP |