GB2025925B - Structural material for acoustic machines and instruments - Google Patents

Structural material for acoustic machines and instruments

Info

Publication number
GB2025925B
GB2025925B GB7923241A GB7923241A GB2025925B GB 2025925 B GB2025925 B GB 2025925B GB 7923241 A GB7923241 A GB 7923241A GB 7923241 A GB7923241 A GB 7923241A GB 2025925 B GB2025925 B GB 2025925B
Authority
GB
United Kingdom
Prior art keywords
instruments
structural material
acoustic
machines
acoustic machines
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
Application number
GB7923241A
Other versions
GB2025925A (en
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.)
Aikoh Co Ltd
Original Assignee
Aikoh Co Ltd
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 Aikoh Co Ltd filed Critical Aikoh Co Ltd
Publication of GB2025925A publication Critical patent/GB2025925A/en
Application granted granted Critical
Publication of GB2025925B publication Critical patent/GB2025925B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/0051—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof characterised by the pore size, pore shape or kind of porosity
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
    • C04B41/48—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/82—Coating or impregnation with organic materials
    • C04B41/83—Macromolecular compounds
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
    • G11B33/08—Insulation or absorption of undesired vibrations or sounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Powder Metallurgy (AREA)
  • Ceramic Products (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
GB7923241A 1978-07-20 1979-07-04 Structural material for acoustic machines and instruments Expired GB2025925B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8768578A JPS5515147A (en) 1978-07-20 1978-07-20 Structure material for sound equipment

Publications (2)

Publication Number Publication Date
GB2025925A GB2025925A (en) 1980-01-30
GB2025925B true GB2025925B (en) 1982-09-15

Family

ID=13921775

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7923241A Expired GB2025925B (en) 1978-07-20 1979-07-04 Structural material for acoustic machines and instruments

Country Status (14)

Country Link
JP (1) JPS5515147A (en)
AU (1) AU525975B2 (en)
BE (1) BE877666A (en)
CA (1) CA1129269A (en)
DE (1) DE2927884C2 (en)
DK (1) DK304879A (en)
FR (1) FR2431742A1 (en)
GB (1) GB2025925B (en)
IN (1) IN151078B (en)
IT (1) IT1121187B (en)
LU (1) LU81531A1 (en)
NL (1) NL7905657A (en)
NO (1) NO152715C (en)
SE (1) SE7905653L (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56169991A (en) * 1980-06-03 1981-12-26 Onkyo Corp Member for acoustic device
JPS6232738Y2 (en) * 1980-12-21 1987-08-21
JPS6066182U (en) * 1983-10-13 1985-05-10 オンキヨー株式会社 speaker box
JPS6068780U (en) * 1983-10-15 1985-05-15 オンキヨー株式会社 speaker stand
JPS6068783U (en) * 1983-10-15 1985-05-15 オンキヨー株式会社 speaker cabinet
EP0156295B1 (en) * 1984-03-28 1991-01-16 Hering-Mitgau, Mane, Dr. Process for coating mineral materials with elastomers, and product obtained by this process
EP0196865B1 (en) * 1985-03-27 1990-09-12 Ibiden Co, Ltd. Electronic circuit substrates
NL1001183C2 (en) 1995-09-13 1997-03-20 Tno Exhaust device for a turbine engine.
DE202013000358U1 (en) * 2013-01-15 2013-02-27 Rüdiger Wichmann Turntable pad for record player

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1072543B (en) * 1959-12-31 Metallgesellschaft Aktiengesell schaft, Frankfurt/M Porous filter bodies and process for their manufacture
DE1027582B (en) * 1953-08-31 1958-04-03 Dynamidon Werk Engelhorn & Co Process for the production of highly refractory bricks
BE795941A (en) * 1972-03-03 1973-08-27 Siemens Ag HIGH POROSITY PERMEABLE CERAMIC SUPPORT, IN PARTICULAR FOR CATALYSTS AS WELL AS ITS PREPARATION PROCESS
JPS5265418A (en) * 1975-11-27 1977-05-30 Pioneer Electronic Corp Sound insulator
JPS52108111A (en) * 1976-03-08 1977-09-10 Sanyo Electric Co Ltd Diaphragm for speaker
DE2627912C3 (en) * 1976-06-22 1979-10-04 Institut Vysokich Temperatur Akademii Nauk Ssr, Moskau Porous high temperature construction material

Also Published As

Publication number Publication date
SE7905653L (en) 1980-01-21
GB2025925A (en) 1980-01-30
FR2431742A1 (en) 1980-02-15
CA1129269A (en) 1982-08-10
IT1121187B (en) 1986-03-26
NO152715C (en) 1985-11-13
NO792386L (en) 1980-01-22
DK304879A (en) 1980-01-21
AU525975B2 (en) 1982-12-09
FR2431742B1 (en) 1984-09-07
IN151078B (en) 1983-02-19
NO152715B (en) 1985-07-29
DE2927884C2 (en) 1982-06-09
AU4867379A (en) 1980-01-24
BE877666A (en) 1979-11-05
NL7905657A (en) 1980-01-22
DE2927884A1 (en) 1980-01-31
LU81531A1 (en) 1979-10-31
IT7909494A0 (en) 1979-07-19
JPS5515147A (en) 1980-02-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee