BE812325A - Ecran antibruit en materiaux composites de caoutchouc - Google Patents
Ecran antibruit en materiaux composites de caoutchoucInfo
- Publication number
- BE812325A BE812325A BE142027A BE142027A BE812325A BE 812325 A BE812325 A BE 812325A BE 142027 A BE142027 A BE 142027A BE 142027 A BE142027 A BE 142027A BE 812325 A BE812325 A BE 812325A
- Authority
- BE
- Belgium
- Prior art keywords
- composite materials
- rubber composite
- noise screen
- noise
- screen
- Prior art date
Links
- 239000002131 composite material Substances 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/045—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/0026—Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting
- B29B17/0042—Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting for shaping parts, e.g. multilayered parts with at least one layer containing regenerated plastic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0029—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with porous surfaces, e.g. concrete with porous fillers
-
- 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
- E04B1/8227—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 screens ; Arrangements of sound-absorbing elements, e.g. baffles
-
- 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
- E04C2/16—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 fibres, chips, vegetable stems, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2030/00—Pneumatic or solid tyres or parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/06—Open cell foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/02—Cellular or porous
- B32B2305/022—Foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/712—Weather resistant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2317/00—Animal or vegetable based
- B32B2317/22—Natural rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2319/00—Synthetic rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2607/00—Walls, panels
-
- 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
- E04B2001/8263—Mounting of acoustical elements on supporting structure, e.g. framework or wall surface
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Building Environments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2321676A DE2321676A1 (de) | 1973-04-28 | 1973-04-28 | Schallschutzwand aus gummi-verbundwerkstoffen |
Publications (1)
Publication Number | Publication Date |
---|---|
BE812325A true BE812325A (fr) | 1974-09-16 |
Family
ID=5879623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE142027A BE812325A (fr) | 1973-04-28 | 1974-03-14 | Ecran antibruit en materiaux composites de caoutchouc |
Country Status (14)
Country | Link |
---|---|
US (1) | US3948009A (fr) |
JP (1) | JPS501531A (fr) |
AU (1) | AU477338B2 (fr) |
BE (1) | BE812325A (fr) |
BR (1) | BR7401975A (fr) |
CA (1) | CA1001086A (fr) |
CH (1) | CH585318A5 (fr) |
DE (1) | DE2321676A1 (fr) |
ES (1) | ES424262A1 (fr) |
FR (1) | FR2227394B1 (fr) |
GB (1) | GB1447164A (fr) |
IT (1) | IT1011566B (fr) |
LU (1) | LU69619A1 (fr) |
NL (1) | NL7403321A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115233582A (zh) * | 2022-08-08 | 2022-10-25 | 朝阳聚声泰(信丰)科技有限公司 | 一种汽车智能路噪降低改善辅助装置 |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4143495A (en) * | 1976-10-22 | 1979-03-13 | Fa. Pass & Co. | Sound-absorbing panel |
JPS6118967U (ja) * | 1984-07-10 | 1986-02-03 | 日本精工株式会社 | 自動ロツク式リトラクタ |
AT390094B (de) * | 1984-11-16 | 1990-03-12 | Austria Metall | Schalldaemmende verbundplatte und verfahren zu ihrer herstellung |
US5093394A (en) * | 1988-09-27 | 1992-03-03 | Sheller-Globe Corporation | Thermoformable acoustical mat composition and method |
GB8823732D0 (en) * | 1988-10-10 | 1988-11-16 | Precey A D | Acoustic screen |
AT412736B (de) * | 1990-11-08 | 2005-06-27 | Porr Allg Bauges | Schallschutzwand |
US6258193B1 (en) | 1991-01-28 | 2001-07-10 | Tire Recycling Development Corporation | Methods for fabricating laminated structures using rubber tire parts |
US5272284A (en) * | 1991-07-10 | 1993-12-21 | Carsonite International Corp. | Sound barrier |
IT1249829B (it) * | 1991-08-05 | 1995-03-28 | Insokell Spa | Elemento modulare di pannello fonoisolante e fonoassorbente per barriere antirumore |
US5438171A (en) * | 1992-01-22 | 1995-08-01 | Carsonite International Corporation | Composite sound wall |
US5439735A (en) * | 1992-02-04 | 1995-08-08 | Jamison; Danny G. | Method for using scrap rubber; scrap synthetic and textile material to create particle board products with desirable thermal and acoustical insulation values |
US5537788A (en) * | 1992-08-28 | 1996-07-23 | Jte, Inc. | System and method for widening a highway and supporting a sound wall |
US5274971A (en) * | 1992-08-28 | 1994-01-04 | Jte, Inc. | Rapidly erectable, removable, reusable and raisable outdoor acoustical wall system and method |
US5467567A (en) * | 1992-12-29 | 1995-11-21 | The Reinforced Earth Company | Spring biased apparatus for maintaining precast panels in a stable removable position in a vertical slot |
US5564241A (en) * | 1993-12-21 | 1996-10-15 | Ogorchock; Paul | Sound-barrier panel |
US5678363A (en) * | 1993-12-21 | 1997-10-21 | Ogorchock; Paul | Sound barrier panel |
NL9400173A (nl) * | 1994-02-04 | 1995-09-01 | Veldhoen Raalte B V | Geluidsscherm. |
JP2707055B2 (ja) * | 1994-03-14 | 1998-01-28 | 日本道路公団 | 遮音壁上端に対する吸音体の取付方法 |
GB2300202A (en) * | 1995-04-26 | 1996-10-30 | Acoustic Materials Technology | Noise barrier |
US5800754A (en) * | 1997-06-20 | 1998-09-01 | Woods; Richard J. | Building materials from recycled tires |
DE19735714A1 (de) * | 1997-08-18 | 1999-03-11 | Heinz Rudi Matten | Lärmschutzwand |
DE29805730U1 (de) * | 1998-03-28 | 1998-06-04 | Grötz, Georg, 76597 Loffenau | Schallschutzwand für Verkehrswege |
US5984044A (en) * | 1998-07-31 | 1999-11-16 | Christensen; Arthur E. | Acoustical barrier wall with protective sleeves and method of assembly |
US6920723B2 (en) | 2001-08-16 | 2005-07-26 | Dodge-Regupol, Incorporated | Impact sound insulation |
US20030223824A1 (en) * | 2002-04-24 | 2003-12-04 | Bradley Jordan | Wall system |
WO2004031501A1 (fr) * | 2002-10-01 | 2004-04-15 | Dodge-Regupol, Incorporated | Tapis attenuateur de bruits et de vibrations |
US20040224271A1 (en) * | 2003-05-06 | 2004-11-11 | Langsam Andrew S. | Cake shield |
US20060037815A1 (en) * | 2004-08-18 | 2006-02-23 | Schabel Norman G Jr | Particulate insulation materials |
US7665712B2 (en) * | 2004-10-27 | 2010-02-23 | Intellectual Property Management, Llc | Apparatus for pre-casting concrete structures |
US7802409B2 (en) * | 2005-09-20 | 2010-09-28 | Intellectual Property Management, Llc | System of concrete structures having panel and column portions with rigid member and end of panel portion of one structure received in slot of column portion of adjacent structure |
US20060244187A1 (en) * | 2005-05-02 | 2006-11-02 | Downey Paul C | Vibration damper |
EP2232482B1 (fr) * | 2007-12-21 | 2014-03-19 | 3M Innovative Properties Company | Barrière sonore pour gestion des fréquences acoustiques audibles |
EP2223296B1 (fr) * | 2007-12-21 | 2011-09-28 | 3m Innovative Properties Company | Cristal phononique viscoélastique |
WO2009089272A1 (fr) * | 2008-01-07 | 2009-07-16 | Intellectual Property Management, Llc | Procédé et système pour former des colonnes de béton précoulées |
US8162638B2 (en) * | 2008-01-08 | 2012-04-24 | Intellectual Property Management Llc | Method and system for forming vertical pre-cast concrete structures |
US20100224442A1 (en) * | 2009-03-09 | 2010-09-09 | Mark Sanders | Sound barrier panel |
WO2010151533A2 (fr) | 2009-06-25 | 2010-12-29 | 3M Innovative Properties Company | Barrière sonore pour gestion de fréquence acoustique audible |
ES2390058B1 (es) * | 2011-04-04 | 2013-08-16 | Eduardo IZQUIERDO GARCIA | Elemento de aislamiento |
WO2013049814A1 (fr) * | 2011-09-30 | 2013-04-04 | Zimmerman Donald Robert | Barrière acoustique |
US9034454B1 (en) * | 2011-09-30 | 2015-05-19 | Southern Rubber Company, Inc. | Composite joint filler seal material for joints in precast concrete structures |
CN103556733B (zh) * | 2013-10-13 | 2016-06-29 | 重庆环德科技有限公司 | 氧化镁环保吸音板 |
CN103526843B (zh) * | 2013-10-13 | 2016-01-27 | 广西上思县富石矿业有限公司 | 膨润土环保吸音板 |
CN103526844B (zh) * | 2013-10-13 | 2016-06-15 | 重庆环德科技有限公司 | 硅藻土环保吸音板 |
CN103556730B (zh) * | 2013-10-13 | 2016-07-06 | 重庆环德科技有限公司 | 高岭土环保吸音板 |
DE102014217767A1 (de) | 2014-09-05 | 2016-03-10 | Db Netz Ag | Schallschutzvorrichtung, insbesondere für eine Gleisanlage |
US20180202150A1 (en) | 2015-06-25 | 2018-07-19 | Pliteq Inc. | Impact damping mat, equipment accessory and flooring system |
CA2914212C (fr) | 2015-06-25 | 2018-05-22 | Pliteq, Inc. | Tapis amortisseur d'impact, accessoire d'equipement et systeme de plancher |
CN109083501A (zh) * | 2018-09-08 | 2018-12-25 | 金伟明 | 一种建筑施工用环保隔音护栏 |
SG11202111045UA (en) * | 2019-04-29 | 2021-11-29 | Sissel Alexander Symon Vielfreund | Composite board from plastic waste |
CN113047512B (zh) * | 2021-03-09 | 2022-08-05 | 武汉大学 | 装配式frp-海砂混凝土隔音降噪墙板 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB338247A (en) * | 1929-06-05 | 1930-11-27 | Edith Ottoline Cowper | Improvements in materials for roads and ways, floors, dampcoursing, and other purposes |
GB366559A (en) * | 1930-10-31 | 1932-02-01 | Leon Lewis | Improvements in or relating to roadways, tennis courts, floors and like structures |
GB410563A (en) * | 1933-01-19 | 1934-05-24 | George Edward Heyl | Improvements relating to roads, floors, wall surfacing and the like |
US2323936A (en) * | 1937-07-15 | 1943-07-13 | Rubatex Products Inc | Insulating construction element |
US3272098A (en) * | 1962-07-23 | 1966-09-13 | Minnesota Mining & Mfg | Paving material and paving surfacing |
US3256218A (en) * | 1962-11-19 | 1966-06-14 | Du Pont | Dispersing coarse fillers in polyurethane foams |
US3697366A (en) * | 1970-04-13 | 1972-10-10 | Nat Gypsum Co | Lightweight gypsum panel |
US3801421A (en) * | 1970-11-09 | 1974-04-02 | Minnesota Mining & Mfg | Resilient composite useful as surfacing for athletics |
-
1973
- 1973-04-28 DE DE2321676A patent/DE2321676A1/de active Pending
-
1974
- 1974-03-07 CA CA194,387A patent/CA1001086A/en not_active Expired
- 1974-03-11 US US05/449,803 patent/US3948009A/en not_active Expired - Lifetime
- 1974-03-12 NL NL7403321A patent/NL7403321A/xx unknown
- 1974-03-12 LU LU69619A patent/LU69619A1/xx unknown
- 1974-03-13 JP JP2819674A patent/JPS501531A/ja active Pending
- 1974-03-13 IT IT6773774A patent/IT1011566B/it active
- 1974-03-14 BR BR197574A patent/BR7401975A/pt unknown
- 1974-03-14 CH CH357874A patent/CH585318A5/xx not_active IP Right Cessation
- 1974-03-14 GB GB1132874A patent/GB1447164A/en not_active Expired
- 1974-03-14 FR FR7408762A patent/FR2227394B1/fr not_active Expired
- 1974-03-14 BE BE142027A patent/BE812325A/fr unknown
- 1974-03-14 ES ES424262A patent/ES424262A1/es not_active Expired
- 1974-04-22 AU AU68173/74A patent/AU477338B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115233582A (zh) * | 2022-08-08 | 2022-10-25 | 朝阳聚声泰(信丰)科技有限公司 | 一种汽车智能路噪降低改善辅助装置 |
CN115233582B (zh) * | 2022-08-08 | 2024-03-01 | 朝阳聚声泰(信丰)科技有限公司 | 一种汽车智能路噪降低改善辅助装置 |
Also Published As
Publication number | Publication date |
---|---|
CH585318A5 (fr) | 1977-02-28 |
LU69619A1 (fr) | 1974-10-09 |
IT1011566B (it) | 1977-02-10 |
AU477338B2 (en) | 1976-10-21 |
US3948009A (en) | 1976-04-06 |
FR2227394A1 (fr) | 1974-11-22 |
FR2227394B1 (fr) | 1978-11-10 |
ES424262A1 (es) | 1976-05-16 |
BR7401975A (pt) | 1975-12-02 |
DE2321676A1 (de) | 1974-11-21 |
GB1447164A (en) | 1976-08-25 |
AU6817374A (en) | 1975-10-23 |
CA1001086A (en) | 1976-12-07 |
JPS501531A (fr) | 1975-01-09 |
NL7403321A (fr) | 1974-10-30 |
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