AU483770B2 - Dual range sound absorber - Google Patents

Dual range sound absorber

Info

Publication number
AU483770B2
AU483770B2 AU77475/75A AU7747575A AU483770B2 AU 483770 B2 AU483770 B2 AU 483770B2 AU 77475/75 A AU77475/75 A AU 77475/75A AU 7747575 A AU7747575 A AU 7747575A AU 483770 B2 AU483770 B2 AU 483770B2
Authority
AU
Australia
Prior art keywords
sound absorber
range sound
dual range
dual
absorber
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
AU77475/75A
Other versions
AU7747575A (en
Inventor
Spencer Wirt Leslie
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.)
Lockheed Corp
Original Assignee
Lockheed Aircraft 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 Lockheed Aircraft Corp filed Critical Lockheed Aircraft Corp
Priority to AU77475/75A priority Critical patent/AU483770B2/en
Application granted granted Critical
Publication of AU7747575A publication Critical patent/AU7747575A/en
Publication of AU483770B2 publication Critical patent/AU483770B2/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B1/86—Sound-absorbing elements slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B2001/742—Use of special materials; Materials having special structures or shape
    • E04B2001/748—Honeycomb materials
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B2001/8423—Tray or frame type panels or blocks, with or without acoustical filling
    • E04B2001/8428—Tray or frame type panels or blocks, with or without acoustical filling containing specially shaped acoustical bodies, e.g. funnels, egg-crates, fanfolds
AU77475/75A 1975-01-21 1975-01-21 Dual range sound absorber Expired AU483770B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU77475/75A AU483770B2 (en) 1975-01-21 1975-01-21 Dual range sound absorber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU77475/75A AU483770B2 (en) 1975-01-21 1975-01-21 Dual range sound absorber

Publications (2)

Publication Number Publication Date
AU7747575A AU7747575A (en) 1976-07-22
AU483770B2 true AU483770B2 (en) 1976-07-22

Family

ID=3757969

Family Applications (1)

Application Number Title Priority Date Filing Date
AU77475/75A Expired AU483770B2 (en) 1975-01-21 1975-01-21 Dual range sound absorber

Country Status (1)

Country Link
AU (1) AU483770B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0155034A2 (en) * 1984-02-29 1985-09-18 Fokker Aircraft B.V. Sound attenuating structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0155034A2 (en) * 1984-02-29 1985-09-18 Fokker Aircraft B.V. Sound attenuating structure
EP0155034A3 (en) * 1984-02-29 1987-04-15 Fokker B.V. Sound attentuating structure

Also Published As

Publication number Publication date
AU7747575A (en) 1976-07-22

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