BE551703A - - Google Patents
Info
- Publication number
- BE551703A BE551703A BE551703DA BE551703A BE 551703 A BE551703 A BE 551703A BE 551703D A BE551703D A BE 551703DA BE 551703 A BE551703 A BE 551703A
- Authority
- BE
- Belgium
- Prior art keywords
- sound
- plate
- grooves
- holes
- sound waves
- Prior art date
Links
- 239000011505 plaster Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims 1
- 238000013016 damping Methods 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 239000011491 glass wool Substances 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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
- 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
- E04B2001/8461—Solid slabs or blocks layered
-
- 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
- E04B2001/8476—Solid slabs or blocks with acoustical cavities, with or without acoustical filling
- E04B2001/848—Solid slabs or blocks with acoustical cavities, with or without acoustical filling the cavities opening onto the face of the element
- E04B2001/849—Groove or slot type openings
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1130640T | 1955-09-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE551703A true BE551703A (OSRAM) |
Family
ID=9637513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE551703D BE551703A (OSRAM) | 1955-09-02 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE551703A (OSRAM) |
| CH (1) | CH309475A (OSRAM) |
| FR (1) | FR1130640A (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0528061A1 (de) * | 1991-08-14 | 1993-02-24 | Claus Hipp | Akustikd{mmplatte |
| US5854453A (en) * | 1994-10-11 | 1998-12-29 | Nitto Boseki Co., Ltd. | Sound absorbing body, sound absorbing plate, and sound absorbing unit |
-
0
- BE BE551703D patent/BE551703A/fr unknown
-
1952
- 1952-12-13 CH CH309475D patent/CH309475A/de unknown
-
1955
- 1955-09-02 FR FR1130640D patent/FR1130640A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1130640A (fr) | 1957-02-07 |
| CH309475A (de) | 1955-09-15 |
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