EP1809825A4 - A method for improving wood sound-absorbance and a sound-absorbing wood thereby - Google Patents

A method for improving wood sound-absorbance and a sound-absorbing wood thereby

Info

Publication number
EP1809825A4
EP1809825A4 EP05856497A EP05856497A EP1809825A4 EP 1809825 A4 EP1809825 A4 EP 1809825A4 EP 05856497 A EP05856497 A EP 05856497A EP 05856497 A EP05856497 A EP 05856497A EP 1809825 A4 EP1809825 A4 EP 1809825A4
Authority
EP
European Patent Office
Prior art keywords
sound
wood
absorbance
absorbing
improving
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.)
Granted
Application number
EP05856497A
Other languages
German (de)
French (fr)
Other versions
EP1809825A1 (en
EP1809825B1 (en
Inventor
Chun-Won Kang
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.)
ECOWELL Co Ltd
KANG, CHUN-WON
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1809825A1 publication Critical patent/EP1809825A1/en
Publication of EP1809825A4 publication Critical patent/EP1809825A4/en
Application granted granted Critical
Publication of EP1809825B1 publication Critical patent/EP1809825B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/12—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of solid wood
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • 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
    • 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
    • E04B2001/8457—Solid slabs or blocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Architecture (AREA)
  • Acoustics & Sound (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
EP05856497A 2004-10-20 2005-10-08 A method for improving wood sound-absorbance and a sound-absorbing wood thereby Expired - Lifetime EP1809825B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040083840A KR100692509B1 (en) 2004-10-20 2004-10-20 Wood Sound Absorption Improvement Method and Wood Sound Absorbing Material
PCT/KR2005/003350 WO2006080731A1 (en) 2004-10-20 2005-10-08 A method for improving wood sound-absorbance and a sound-absorbing wood thereby

Publications (3)

Publication Number Publication Date
EP1809825A1 EP1809825A1 (en) 2007-07-25
EP1809825A4 true EP1809825A4 (en) 2007-11-14
EP1809825B1 EP1809825B1 (en) 2009-07-29

Family

ID=36740701

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05856497A Expired - Lifetime EP1809825B1 (en) 2004-10-20 2005-10-08 A method for improving wood sound-absorbance and a sound-absorbing wood thereby

Country Status (4)

Country Link
EP (1) EP1809825B1 (en)
KR (1) KR100692509B1 (en)
DE (1) DE602005015744D1 (en)
WO (1) WO2006080731A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090049800A (en) * 2007-11-14 2009-05-19 전북대학교산학협력단 Method for manufacturing a high sound absorbing board by the explosive process and the sound absorbing board
EP3681682A4 (en) * 2017-09-15 2021-06-16 University of Maryland, College Park DELIGNIFIED WOOD MATERIALS, METHOD FOR MANUFACTURING AND USING them
WO2021168115A1 (en) * 2020-02-18 2021-08-26 Dte Materials Incorporated Cellulosic composite materials and methods thereof
CN111341291B (en) * 2020-03-04 2023-06-16 云南电网有限责任公司电力科学研究院 A noise reduction device and preparation method thereof
CA3175804A1 (en) 2020-04-21 2021-10-28 Liangbing Hu Extraction of delignified, cellulose-based fibers from natural plant material, and materials incorporating such fibers

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB719245A (en) * 1951-04-03 1954-12-01 Onera (Off Nat Aerospatiale) Process for treating wood
DE3739313A1 (en) * 1987-11-20 1989-06-08 Pape Hans Use of a derived-timber-product panel with covering layer as a sound-absorbing wall or ceiling cladding, and process for producing such a derived-timber-product panel

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5478112A (en) * 1977-12-03 1979-06-22 Nippon Gakki Seizo Kk Soundboard for musical instruments
DE9414943U1 (en) * 1994-09-14 1996-01-18 M. Faist GmbH & Co KG, 86381 Krumbach Foil resonance absorber
JPH08120878A (en) * 1994-10-25 1996-05-14 Yamazaki Mokuzaiten:Kk Interior finishing material for building
IT241053Y1 (en) * 1996-12-06 2001-04-20 Locatelli Laminati S A S Di Lo SOUND ABSORBING PANEL
SE514825C2 (en) * 1999-09-16 2001-04-30 Aga Ab Oxygen delignification of cellulose pulp with oxidized white liquor as an alkaline source
KR100417452B1 (en) * 2002-01-07 2004-02-11 박춘종 Sound Absorbing Wood Panel
JP4108512B2 (en) * 2003-03-17 2008-06-25 学校法人同志社 Sound absorbing material and manufacturing method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB719245A (en) * 1951-04-03 1954-12-01 Onera (Off Nat Aerospatiale) Process for treating wood
DE3739313A1 (en) * 1987-11-20 1989-06-08 Pape Hans Use of a derived-timber-product panel with covering layer as a sound-absorbing wall or ceiling cladding, and process for producing such a derived-timber-product panel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006080731A1 *

Also Published As

Publication number Publication date
DE602005015744D1 (en) 2009-09-10
KR100692509B1 (en) 2007-03-09
EP1809825A1 (en) 2007-07-25
KR20060034838A (en) 2006-04-26
WO2006080731A1 (en) 2006-08-03
EP1809825B1 (en) 2009-07-29

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