IT7909494A0 - POROUS CERAMIC STRUCTURAL MATERIAL FOR ACOUSTIC MACHINES AND INSTRUMENTS - Google Patents

POROUS CERAMIC STRUCTURAL MATERIAL FOR ACOUSTIC MACHINES AND INSTRUMENTS

Info

Publication number
IT7909494A0
IT7909494A0 IT7909494A IT949479A IT7909494A0 IT 7909494 A0 IT7909494 A0 IT 7909494A0 IT 7909494 A IT7909494 A IT 7909494A IT 949479 A IT949479 A IT 949479A IT 7909494 A0 IT7909494 A0 IT 7909494A0
Authority
IT
Italy
Prior art keywords
instruments
porous ceramic
structural material
ceramic structural
acoustic
Prior art date
Application number
IT7909494A
Other languages
Italian (it)
Other versions
IT1121187B (en
Original Assignee
Aikoh Co
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 filed Critical Aikoh Co
Publication of IT7909494A0 publication Critical patent/IT7909494A0/en
Application granted granted Critical
Publication of IT1121187B publication Critical patent/IT1121187B/en

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)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (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)
  • Powder Metallurgy (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Ceramic Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
IT09494/79A 1978-07-20 1979-07-19 STRUCTURAL MATERIAL POROUS CERAMIC FOR MACHINES AND SOUND INSTRUMENTS IT1121187B (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
IT7909494A0 true IT7909494A0 (en) 1979-07-19
IT1121187B IT1121187B (en) 1986-03-26

Family

ID=13921775

Family Applications (1)

Application Number Title Priority Date Filing Date
IT09494/79A IT1121187B (en) 1978-07-20 1979-07-19 STRUCTURAL MATERIAL POROUS CERAMIC FOR MACHINES AND SOUND 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
JPS6068783U (en) * 1983-10-15 1985-05-15 オンキヨー株式会社 speaker cabinet
JPS6068780U (en) * 1983-10-15 1985-05-15 オンキヨー株式会社 speaker stand
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
DE3674034D1 (en) * 1985-03-27 1990-10-18 Ibiden Co Ltd SUBSTRATES FOR ELECTRONIC CIRCUITS.
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
DE2927884C2 (en) 1982-06-09
IT1121187B (en) 1986-03-26
NO152715C (en) 1985-11-13
BE877666A (en) 1979-11-05
NO792386L (en) 1980-01-22
SE7905653L (en) 1980-01-21
FR2431742B1 (en) 1984-09-07
LU81531A1 (en) 1979-10-31
AU4867379A (en) 1980-01-24
DK304879A (en) 1980-01-21
FR2431742A1 (en) 1980-02-15
GB2025925A (en) 1980-01-30
JPS5515147A (en) 1980-02-02
GB2025925B (en) 1982-09-15
NO152715B (en) 1985-07-29
CA1129269A (en) 1982-08-10
IN151078B (en) 1983-02-19
NL7905657A (en) 1980-01-22
AU525975B2 (en) 1982-12-09
DE2927884A1 (en) 1980-01-31

Similar Documents

Publication Publication Date Title
SE7813143L (en) WHITLOCKIT CERAMIC MATERIAL
FI800051A (en) FRAMSTAELLNINGSFOERFARANDE FOER FIBERARMERAT HYDRAULISKT BINDANDE MATERIAL
NO792292L (en) BUILDING MATERIAL AND PROCEDURE FOR PREPARING THEREOF
BR8005189A (en) VIBRATING MACHINE
IT1202804B (en) APPARATUS FOR DRAWING AND CONDITIONING CELLULOSE MATERIAL
FI802055A (en) FOERBAETTRAD PROCESS FOER OSAMMANHAENGANDE MATERIAL
DK53980A (en) PIEZOELECTRIC AND SEMI-CONDUCTIVE MATERIAL
ES494331A0 (en) IMPROVEMENTS IN ELECTROACOUSTIC TRANSDUCERS
SE7802455L (en) MEDICAL AIDS AND MATERIALS THEREFORE
IT1088077B (en) PROCEDURE AND DEVICE FOR CLEANING FIBROUS MATERIAL
IT1096285B (en) METHOD OF MANUFACTURE OF CERAMIC MATERIAL PADS
IT1127630B (en) FILTERING MATERIAL
IT7909494A0 (en) POROUS CERAMIC STRUCTURAL MATERIAL FOR ACOUSTIC MACHINES AND INSTRUMENTS
IT7830015A0 (en) PROCEDURE FOR DEGASSIFYING MATERIAL FOR THE MANUFACTURE OF PAPER, AND DEVICE FOR IMPLEMENTING SAID PROCEDURE.
SE7809677L (en) CERAMIC PIEZOELECTRIC MATERIAL
DK536979A (en) CHROMOGENT MATERIALS AND PROCEDURES FOR PRODUCING THEREOF
FI802974A (en) MAETANORDNING OCH TRANSPORTOER FOER MATERIAL
IT1085411B (en) CERAMIC MATERIAL VENEER SHEET
NO813852L (en) WASHING CONCRETE PAPER AND PROCEDURE FOR PREPARING THEREOF
SE7606407L (en) CERAMIC PULP AND PROCEDURE FOR ITS MANUFACTURE
DK10978A (en) PHOTOPOLYMERIZABLE MATERIAL
ATA466577A (en) DRESSING MATERIAL
IT1074215B (en) PROCEDURE FOR THE PRINTING OF FIBROUS MATERIAL
FI791607A (en) MATERIAL FOER KYLRUM OCH RUM FOERSEDDA MED DETTA MATERIAL
IT7851488A0 (en) MATERIAL FOR DIAZOTYPY