DE68929044D1 - Künstliches Tastenmaterial - Google Patents

Künstliches Tastenmaterial

Info

Publication number
DE68929044D1
DE68929044D1 DE68929044T DE68929044T DE68929044D1 DE 68929044 D1 DE68929044 D1 DE 68929044D1 DE 68929044 T DE68929044 T DE 68929044T DE 68929044 T DE68929044 T DE 68929044T DE 68929044 D1 DE68929044 D1 DE 68929044D1
Authority
DE
Germany
Prior art keywords
key material
artificial key
artificial
key
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 - Fee Related
Application number
DE68929044T
Other languages
English (en)
Other versions
DE68929044T2 (de
Inventor
Yutaka Oshima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamaha Corp
Original Assignee
Yamaha Corp
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
Application filed by Yamaha Corp filed Critical Yamaha Corp
Application granted granted Critical
Publication of DE68929044D1 publication Critical patent/DE68929044D1/de
Publication of DE68929044T2 publication Critical patent/DE68929044T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C08K7/08—Oxygen-containing compounds
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00—Details or accessories
    • G10C3/12—Keyboards; Keys
    • G10C3/125—Materials or treatment of materials for the manufacturing of keys

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Materials For Medical Uses (AREA)
DE68929044T 1988-11-29 1989-11-17 Künstliches Tastenmaterial Expired - Fee Related DE68929044T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63301896A JPH0631943B2 (ja) 1988-11-29 1988-11-29 楽器用鍵盤材

Publications (2)

Publication Number Publication Date
DE68929044D1 true DE68929044D1 (de) 1999-09-09
DE68929044T2 DE68929044T2 (de) 2000-02-03

Family

ID=17902431

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68929044T Expired - Fee Related DE68929044T2 (de) 1988-11-29 1989-11-17 Künstliches Tastenmaterial

Country Status (5)

Country Link
US (1) US5137941A (de)
EP (1) EP0371939B1 (de)
JP (1) JPH0631943B2 (de)
KR (1) KR940003960B1 (de)
DE (1) DE68929044T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03247661A (ja) * 1990-02-27 1991-11-05 Yamaha Corp 鍵盤材およびその製法
GB2250996A (en) * 1990-12-19 1992-06-24 Lycab Limited Composite material
GB9411101D0 (en) * 1994-06-03 1994-07-27 Rennie Stephen A Polyamide compositions
KR100911961B1 (ko) * 2006-07-25 2009-08-13 야마하 가부시키가이샤 목분 함유 수지 형성체, 목분 함유 수지 형성체의 제조방법, 및 건반 악기의 흑건
JP5223401B2 (ja) 2007-03-23 2013-06-26 ヤマハ株式会社 鍵盤装置の鍵用素材及び鍵
JP5311535B2 (ja) * 2007-12-05 2013-10-09 旭化成ケミカルズ株式会社 鍵盤
DE102017115672B4 (de) 2017-07-12 2020-08-27 MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. Isotropes Hydroxylapatit/Gelatine-Kompositmaterial, Verfahren zu dessen Herstellung und dessen Verwendung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4011193A (en) * 1972-12-13 1977-03-08 General Electric Company Reinforced thermoplastic polyester compositions
US3830777A (en) * 1973-12-17 1974-08-20 Du Pont Reinforced polyamides containing fibrous alkali metal titanates
US4029512A (en) * 1974-08-05 1977-06-14 Johns-Manville Corporation Method for the preparation of fibrous insoluble calcium sulfate anhydrite
DE2454221C2 (de) * 1974-11-15 1985-03-21 Bayer Ag, 5090 Leverkusen Neue verstärkte Kunststoffe und Verfahren zu ihrer Herstellung
US4270594A (en) * 1978-11-02 1981-06-02 Chumakov Vasily A Method and apparatus for producing directionally solidifying cast pieces
JPS6096649A (ja) * 1983-10-31 1985-05-30 Otsuka Chem Co Ltd 摺動部材用樹脂組成物
JPS60223852A (ja) * 1984-04-19 1985-11-08 Polyplastics Co ポリアセタ−ル樹脂組成物
JPS61196294U (de) * 1985-05-29 1986-12-06
JPH0631938B2 (ja) * 1987-03-03 1994-04-27 株式会社河合楽器製作所 鍵 盤
JPS63237096A (ja) * 1987-03-26 1988-10-03 松浦　隆史 白鍵カバ−

Also Published As

Publication number Publication date
JPH0631943B2 (ja) 1994-04-27
EP0371939A3 (de) 1990-10-31
KR940003960B1 (ko) 1994-05-09
KR900007933A (ko) 1990-06-02
EP0371939A2 (de) 1990-06-06
DE68929044T2 (de) 2000-02-03
US5137941A (en) 1992-08-11
EP0371939B1 (de) 1999-08-04
JPH02146592A (ja) 1990-06-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee