IT1011566B - Parete di isolamento acustico in materiali compositi di gomma - Google Patents

Parete di isolamento acustico in materiali compositi di gomma

Info

Publication number
IT1011566B
IT1011566B IT6773774A IT6773774A IT1011566B IT 1011566 B IT1011566 B IT 1011566B IT 6773774 A IT6773774 A IT 6773774A IT 6773774 A IT6773774 A IT 6773774A IT 1011566 B IT1011566 B IT 1011566B
Authority
IT
Italy
Prior art keywords
sound insulation
composite materials
insulation wall
rubber composite
rubber
Prior art date
Application number
IT6773774A
Other languages
English (en)
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Application granted granted Critical
Publication of IT1011566B publication Critical patent/IT1011566B/it

Links

Classifications

    • 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
    • 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
    • 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)
IT6773774A 1973-04-28 1974-03-13 Parete di isolamento acustico in materiali compositi di gomma IT1011566B (it)

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
IT1011566B true IT1011566B (it) 1977-02-10

Family

ID=5879623

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6773774A IT1011566B (it) 1973-04-28 1974-03-13 Parete di isolamento acustico in materiali compositi di gomma

Country Status (14)

Country Link
US (1) US3948009A (it)
JP (1) JPS501531A (it)
AU (1) AU477338B2 (it)
BE (1) BE812325A (it)
BR (1) BR7401975A (it)
CA (1) CA1001086A (it)
CH (1) CH585318A5 (it)
DE (1) DE2321676A1 (it)
ES (1) ES424262A1 (it)
FR (1) FR2227394B1 (it)
GB (1) GB1447164A (it)
IT (1) IT1011566B (it)
LU (1) LU69619A1 (it)
NL (1) NL7403321A (it)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
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 (en) * 2002-10-01 2004-04-15 Dodge-Regupol, Incorporated Noise and vibration mitigating mat
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 (en) * 2007-12-21 2014-03-19 3M Innovative Properties Company Sound barrier for audible acoustic frequency management
EP2223296B1 (en) * 2007-12-21 2011-09-28 3m Innovative Properties Company Viscoelastic phononic crystal
WO2009089272A1 (en) * 2008-01-07 2009-07-16 Intellectual Property Management, Llc Method and system for forming pre-cast concrete columns
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 (en) 2009-06-25 2010-12-29 3M Innovative Properties Company Sound barrier for audible acoustic frequency management
ES2390058B1 (es) * 2011-04-04 2013-08-16 Eduardo IZQUIERDO GARCIA Elemento de aislamiento
WO2013049814A1 (en) * 2011-09-30 2013-04-04 Zimmerman Donald Robert Noise barrier
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 (en) 2015-06-25 2018-05-22 Pliteq, Inc. Impact damping mat, equipment accessory and flooring system
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
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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CH585318A5 (it) 1977-02-28
LU69619A1 (it) 1974-10-09
AU477338B2 (en) 1976-10-21
US3948009A (en) 1976-04-06
FR2227394A1 (it) 1974-11-22
FR2227394B1 (it) 1978-11-10
BE812325A (fr) 1974-09-16
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 (it) 1975-01-09
NL7403321A (it) 1974-10-30

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