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GB1185352A - Wall. - Google Patents

Wall.

Info

Publication number
GB1185352A
GB1185352A GB03746/67A GB1374667A GB1185352A GB 1185352 A GB1185352 A GB 1185352A GB 03746/67 A GB03746/67 A GB 03746/67A GB 1374667 A GB1374667 A GB 1374667A GB 1185352 A GB1185352 A GB 1185352A
Authority
GB
United Kingdom
Prior art keywords
panel
projections
transmission
critical frequency
sec
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
GB03746/67A
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.)
Lord Corp
Original Assignee
Lord 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 Lord Corp filed Critical Lord Corp
Publication of GB1185352A publication Critical patent/GB1185352A/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
    • E04B2001/8254—Soundproof supporting of building elements, e.g. stairs, floor slabs or beams, on a structure
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

1,185,352. Laminated wall panel. LORD CORP. 23 March, 1967 [25 April, 1966], No. 13746/67. Heading B5N. A panel for blocking the transmission of sound in the band of frequencies required for the transmission of intelligible speech has its critical frequency for bending waves, as determined by the equation (where a is the speed of sound in air in in./sec., m is the mass of the panel per unit area in lb. sec.<SP>2</SP>/ in. 3 and B is the bending stiffness per unit area in lb. in.<SP>3</SP>/in.<SP>2</SP>), less than the band of frequencies required for the transmission of intelligible speech, and has a loss factor in directions normal to the surfaces of the panel at least 0À1 for frequencies above its critical frequency. As described the fundamental resonance frequency f n of the panel is arranged to be less than the critical frequency. In one embodiment the panel comprises outer skins of aluminium, steel, titanium, magnesium, beryllium or molybdenum or glass-fibre-reinforced plastics and a honeycomb core of extensional damping material. In other embodiments of panel comprising spaced skins 12, 13 projections 10 from skin 12 are joined to projections 11 from skin 13 via a layer 14 of a viscoelastic damping material such as butyl rubber, vinyl plastics or asphalt. The projections may be circular or hexagonal section tubes, or flat or angled plates.
GB03746/67A 1966-04-25 1967-03-23 Wall. Expired GB1185352A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54504466A 1966-04-25 1966-04-25

Publications (1)

Publication Number Publication Date
GB1185352A true GB1185352A (en) 1970-03-25

Family

ID=24174664

Family Applications (1)

Application Number Title Priority Date Filing Date
GB03746/67A Expired GB1185352A (en) 1966-04-25 1967-03-23 Wall.

Country Status (3)

Country Link
US (1) US3422921A (en)
DE (1) DE1658909A1 (en)
GB (1) GB1185352A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4228869A (en) * 1976-07-17 1980-10-21 Messerschmitt-Bolkow-Blohm Gmbh Variable volume resonators using the Belleville spring principle
US5732143A (en) * 1992-10-29 1998-03-24 Andrea Electronics Corp. Noise cancellation apparatus
KR19990044171A (en) 1995-09-02 1999-06-25 헨리 에이지마 Loudspeaker with panel acoustic radiation element
UA51671C2 (en) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Acoustic device
ES2185203T3 (en) * 1997-09-03 2003-04-16 New Transducers Ltd COATING PANEL COMPOSED BY AN INTEGRAL ACOUSTIC SYSTEM.
US6363345B1 (en) 1999-02-18 2002-03-26 Andrea Electronics Corporation System, method and apparatus for cancelling noise
US6594367B1 (en) 1999-10-25 2003-07-15 Andrea Electronics Corporation Super directional beamforming design and implementation
US8127889B1 (en) * 2009-09-15 2012-03-06 The Boeing Company Noise reduction system for structures
EP4375441A1 (en) * 2022-11-25 2024-05-29 Framery Oy Office pod and a soundproofing wall structure
WO2024110691A1 (en) * 2022-11-25 2024-05-30 Framery Oy Office pod and a soundproofing wall structure

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE900607C (en) * 1951-09-23 1953-12-28 Werner Prase Dam plate
US2819032A (en) * 1953-10-20 1958-01-07 Douglas Aircraft Co Inc Aircraft fuselage having panel damping material
US3087570A (en) * 1959-03-23 1963-04-30 Bolt Beranek & Newman Panel and the like of high acoustic transmission loss
US3087569A (en) * 1959-03-23 1963-04-30 Bolt Beranek & Newman Vibration-damping structure
US3110369A (en) * 1959-05-22 1963-11-12 Wright Barry Corp Self-damped laminar structure
GB872519A (en) * 1959-07-04 1961-07-12 Gomma Antivibranti Applic Improvements in acoustically insulating partitions
US3247925A (en) * 1962-03-08 1966-04-26 Lord Corp Loudspeaker

Also Published As

Publication number Publication date
DE1658909A1 (en) 1972-04-27
US3422921A (en) 1969-01-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees