DE2758730C2 - - Google Patents

Info

Publication number
DE2758730C2
DE2758730C2 DE19772758730 DE2758730A DE2758730C2 DE 2758730 C2 DE2758730 C2 DE 2758730C2 DE 19772758730 DE19772758730 DE 19772758730 DE 2758730 A DE2758730 A DE 2758730A DE 2758730 C2 DE2758730 C2 DE 2758730C2
Authority
DE
Germany
Prior art keywords
sound
plate
tubes
absorber
perforated
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
DE19772758730
Other languages
German (de)
English (en)
Other versions
DE2758730A1 (de
Inventor
Hifumi Sayama Tokoi/Tokyo Jp Inoue
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.)
Shoh-On Giken Kk Tokio/tokyo Jp
Original Assignee
Shoh-On Giken Kk Tokio/tokyo Jp
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 Shoh-On Giken Kk Tokio/tokyo Jp filed Critical Shoh-On Giken Kk Tokio/tokyo Jp
Priority to DE19772758730 priority Critical patent/DE2758730A1/de
Publication of DE2758730A1 publication Critical patent/DE2758730A1/de
Application granted granted Critical
Publication of DE2758730C2 publication Critical patent/DE2758730C2/de
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
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Building Environments (AREA)
DE19772758730 1977-12-29 1977-12-29 Plattenartiger schall-absorber Granted DE2758730A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19772758730 DE2758730A1 (de) 1977-12-29 1977-12-29 Plattenartiger schall-absorber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772758730 DE2758730A1 (de) 1977-12-29 1977-12-29 Plattenartiger schall-absorber

Publications (2)

Publication Number Publication Date
DE2758730A1 DE2758730A1 (de) 1979-07-12
DE2758730C2 true DE2758730C2 (cg-RX-API-DMAC10.html) 1988-08-11

Family

ID=6027649

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772758730 Granted DE2758730A1 (de) 1977-12-29 1977-12-29 Plattenartiger schall-absorber

Country Status (1)

Country Link
DE (1) DE2758730A1 (cg-RX-API-DMAC10.html)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2341174C3 (de) * 1973-08-14 1979-08-02 Suzuki, Hisao, Fujisawa, Kanagawa (Japan) Vorrichtung zur Schalldämpfung in Gasleitungen

Also Published As

Publication number Publication date
DE2758730A1 (de) 1979-07-12

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Legal Events

Date Code Title Description
8128 New person/name/address of the agent

Representative=s name: JUNG, E., DIPL.-CHEM. DR.PHIL. SCHIRDEWAHN, J., DI

8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee