FR2416520B1 - - Google Patents

Info

Publication number
FR2416520B1
FR2416520B1 FR7902439A FR7902439A FR2416520B1 FR 2416520 B1 FR2416520 B1 FR 2416520B1 FR 7902439 A FR7902439 A FR 7902439A FR 7902439 A FR7902439 A FR 7902439A FR 2416520 B1 FR2416520 B1 FR 2416520B1
Authority
FR
France
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
FR7902439A
Other versions
FR2416520A1 (fr
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.)
Nippon Dia Clevite Co Ltd
Original Assignee
Nippon Dia Clevite 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 Nippon Dia Clevite Co Ltd filed Critical Nippon Dia Clevite Co Ltd
Publication of FR2416520A1 publication Critical patent/FR2416520A1/fr
Application granted granted Critical
Publication of FR2416520B1 publication Critical patent/FR2416520B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G10K11/165—Particles in a matrix
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/11—Making porous workpieces or articles
    • B22F3/1103—Making porous workpieces or articles with particular physical characteristics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Powder Metallurgy (AREA)
  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
FR7902439A 1978-02-02 1979-01-31 Materiau poreux d'isolation acoustique compose d'aluminium ou d'alliage d'aluminium Granted FR2416520A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP988778A JPS54104301A (en) 1978-02-02 1978-02-02 Porous sound absorber of aluminum or aluminum alloy

Publications (2)

Publication Number Publication Date
FR2416520A1 FR2416520A1 (fr) 1979-08-31
FR2416520B1 true FR2416520B1 (fr) 1984-04-13

Family

ID=11732644

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7902439A Granted FR2416520A1 (fr) 1978-02-02 1979-01-31 Materiau poreux d'isolation acoustique compose d'aluminium ou d'alliage d'aluminium

Country Status (2)

Country Link
JP (1) JPS54104301A (fr)
FR (1) FR2416520A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0035601B1 (fr) * 1980-03-03 1983-12-21 BBC Aktiengesellschaft Brown, Boveri & Cie. Procédé de fabrication d'un alliage-mémoire
JPS57202281U (fr) * 1981-06-19 1982-12-23
JPS6054198U (ja) * 1983-09-22 1985-04-16 旭化成株式会社 音響板
EP0333244B1 (fr) * 1988-03-10 1992-07-15 "EMIEL VANDERSTRAETEN" Société de personnes à responsabilité limitée Revêtement insonore et/ou amortissant des vibrations, élément pourvu d'un tel revêtement et procédé d'application de ce dernier
DE4034637A1 (de) * 1989-10-31 1991-05-02 Eckart Standard Bronzepulver Verfahren zur herstellung von poroesen al-werkstoffen
CH687167A5 (de) * 1992-12-18 1996-09-30 Matec Holding Ag Laermmindernde Kapselung.
KR100373741B1 (ko) * 2000-07-21 2003-02-26 주식회사일진 가압통전 소결법을 이용한 다공성 알루미늄재의 제조방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3359095A (en) * 1964-02-19 1967-12-19 Dow Chemical Co Sintering of loose particulate aluminum metal
US3342563A (en) * 1967-01-03 1967-09-19 Gen Electric Cellular material and method for making
US3607369A (en) * 1968-09-11 1971-09-21 Union Carbide Corp Method for forming porous aluminum layer
US3781170A (en) * 1971-07-15 1973-12-25 Kureha Chemical Ind Co Ltd Lightweight metal composite material and process for producing same
US3984209A (en) * 1974-05-24 1976-10-05 General Electric Company Porous aluminum body

Also Published As

Publication number Publication date
FR2416520A1 (fr) 1979-08-31
JPS54104301A (en) 1979-08-16

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Legal Events

Date Code Title Description
ST Notification of lapse