IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0808019
(2012-07-24)
|
등록번호 |
US-8695758
(2014-04-15)
|
우선권정보 |
JP-2011-221778 (2011-10-06) |
국제출원번호 |
PCT/JP2012/068642
(2012-07-24)
|
§371/§102 date |
20130102
(20130102)
|
국제공개번호 |
WO2013/051320
(2013-04-11)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- Howa Textile Industry Co., Ltd.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
7 |
초록
▼
A dash silencer is constructed by layering a front side layer formed from a porous material, an intermediate layer constructed by a film structure body and a rear side layer. The rear side layer has upper and lower side layer portions which are formed from porous and sound insulation materials respe
A dash silencer is constructed by layering a front side layer formed from a porous material, an intermediate layer constructed by a film structure body and a rear side layer. The rear side layer has upper and lower side layer portions which are formed from porous and sound insulation materials respectively and layered on upper and lower side layer portions of the intermediate layer.
대표청구항
▼
1. A soundproof sheet for a vehicle, comprising: a first outer layer formed from a porous material, said first outer layer including a one-side outer layer portion and also including the other-side outer layer portion being extended from the one-side outer layer portion;an intermediate layer formed
1. A soundproof sheet for a vehicle, comprising: a first outer layer formed from a porous material, said first outer layer including a one-side outer layer portion and also including the other-side outer layer portion being extended from the one-side outer layer portion;an intermediate layer formed by a film lamination body, said intermediate layer being layered on the one-side outer layer portion of said first outer layer; anda second outer layer including a one-side outer layer portion formed from a porous material to be layered on said intermediate layer from the opposite side of the one-side outer layer portion of said first outer layer, said second outer layer also including the other-side outer layer portion formed from a sound insulation material to be layered on the other-side outer layer portion of said first outer layer. 2. The soundproof sheet for a vehicle according to claim 1, wherein the one-side and other-side outer layer portions of said second outer layer are superposed; and layered at their mutual neighboring portions with each other on a portion of said intermediate layer corresponding to the mutual neighboring portions of the one-side and other-side outer layer portions of said second outer layer. 3. The soundproof sheet for a vehicle according to claim 2, wherein the film lamination body constructing said intermediate layer includes: a barrier film formed from a resin having a melting point higher than that of a thermoplastic resin;a first film formed from the thermoplastic resin, said first film being fusion-bonded and layered between said barrier film and one of said first and second outer layers at a temperature lower than the melting point; anda second film formed from the thermoplastic resin, said second film being fusion-bonded and layered between said barrier film and the other of said first and second outer layers at a temperature lower than the melting point,wherein the other-side outer layer portion of said second outer layer is superposed and layered at its neighboring portion on the neighboring portion of the one-side outer layer portion of said second outer layer and a portion of said intermediate, layer from the opposite side of the other-side outer layer portion of said first outer layer. 4. The soundproof sheet for a vehicle according to claim 3, wherein the film lamination body has a plurality of small holes formed dispersedly and penetratingly through the film lamination body toward each thickness direction of said first film, said barrier film and said second film. 5. A soundproof sheet for a vehicle comprising: a first outer layer formed from a porous material, said first outer layer including a one-sided outer layer portion; and also including the other-side outer layer portion extended from the one-side outer layer portion;an intermediate layer formed by a film lamination body and including a one-sided intermediate layer portion and the other-side intermediate layer portion extended from the one-side intermediate layer portion, said intermediate layer being layered at its one-side intermediate layer portion on the one-side outer layer portion of said first outer layer and being also layered at its other-side intermediate layer portion on the other-side outer layer portion of said first outer layer; anda second outer layer including a one-side layer portion formed from a porous material and the other-side outer lamer portion formed from a sound insulation material, said second outer layer being layered at its one-side outer layer portion on the one-side intermediate layer portion of said intermediate layer from the opposite side of the one-side our layer portion of said first outer layer and being also layered at its other-side outer layer portion on at least the other-side intermediate layer portion of said intermediate layer from the opposite side of the other-side outer layer portion of said first outer layer. 6. The soundproof sheet for a vehicle according to claim 5, wherein the one-side and other-side outer layer portions of said second outer layer are superposed and layered at their mutual neighboring portions with each other on a portion of the one-side intermediate layer portion of said intermediate layer corresponding to the mutual neighboring portions of the one-side and other-side outer layer portions of said second outer layer. 7. The soundproof sheet for a vehicle according to claim 6, wherein the film lamination body constructing said intermediate layer includes: a barrier film formed from a resin having a melting point higher than that of a thermoplastic resin;a first film formed from the thermoplastic resin, said first film being fusion-bonded and layered between said barrier film and one of said first and second outer layers at a temperature lower than the melting point; anda second film formed from the thermoplastic resin, said second film being fusion-bonded and layered, between said barrier film and the other of said first and second outer layers at a temperature lower than the melting point, andwherein the other-side outer layer portion of said second outer layer is layered at its neighboring portion thereof on the neighboring portion of the one-side outer layer portion of said second outer layer and a portion of the other-side intermediate layer portion of said intermediate layer from the opposite side of the other-side outer layer portion of said first outer layer. 8. The soundproof sheet for a vehicle according to claim 7, wherein the film lamination body has a plurality of small holes formed dispersedly and penetratingly through the film lamination body toward each thickness direction of said first film, said barrier film and said second film. 9. A manufacturing method of a soundproof sheet for a vehicle, comprising: a preparatory process for preparing a porous material layer for a first outer layer, preparing a porous material layer for a one-side outer layer portion of a second outer layer and a sound insulation material layer for the other-side outer layer portion of said second outer layer, and preparing a-thermoplastic resin material films for each of a one-side film and the other-side film, and a resin material film for a barrier film having a melting point higher than that of the thermoplastic resin material film;a heating process for layering the thermoplastic resin material film for the one-side film, the resin material film for said barrier film and the thermoplastic resin material film for the other-side film so as to construct a film lamination body, and heating and fusion-bonding them with each other as the film lamination body at a temperature which is higher than a melting point of the thermoplastic resin material film and lower than the melting point of the resin material film for said barrier film; anda vacuum molding process for layering on the fusion-bonded film lamination body on the porous material layer for said first outer layer from the fusion-bonded thermoplastic resin material film for the one-side film of the fusion-bonded film lamination body, layering the porous material layer for the one-side outer layer portion of said second outer layer and the sound insulation material layer for the other-side outer layer portion of said second outer layer on the fusion-bonded thermoplastic resin material film for the other-side film of the fusion-bonded film lamination body, and pressing and cooling them integrally under vacuum molding so as to be adhered to each other. 10. The manufacturing method of a soundproof sheet for a vehicle according to claim 9, wherein at said vacuum molding process, for layering the porous material layer for said first outer layer, the fusion-bonded film lamination body, the porous material and sound insulation material layers respectively for the one-side and other-side outer layer portions of said second outer layer, the one-side and other-side outer layer portions of said second outer layer are superposed and layered at their mutual neighboring portions with each other and layered on a portion of the thermoplastic resin material film for the other-side film corresponding to the mutual neighboring portions of the one-side and other-side outer layer portions of said second outer layer. 11. A dash silencer for a vehicle which is installed along a partitionary wall member partitioning an engine room and a vehicle compartment included in the vehicle with an instrument panel disposed oppositely to an upper side portion of the partitionary wall member from the inner side of the vehicle compartment, the dash silencer comprising: a soundproof sheet which includes:a first outer layer formed from a porous material, said first outer layer including a one-side outer layer portion and also including the other-side outer layer portion extended from the one-side outer layer portion,an intermediate layer formed by a film lamination body, said intermediate layer being layered on the one-side outer layer portion of said first outer layer, anda second outer layer including a one-side outer layer portion formed from a porous material to be layered on said intermediate layer from the opposite side of the one-side outer layer portion of said first outer layer, said second outer layer also including the other-side outer layer portion formed from a sound insulation material to be layered on the other side outer layer portion of said first outer layerwherein said soundproof sheet is mounted on at least a predetermined region of the partitionary wall member to layer the first outer layer along the predetermined region of the partitionary wall member from its up-side to its lower-side so as to oppose the one-side layer portion of the second outer layer to the instrument panel. 12. The dash silencer for a vehicle according to claim 11, wherein in said soundproof sheet, the one-side and other-side outer layer portions of said second outer layer are superposed and layered at their mutual neighboring portions with each other on a portion of said intermediate layer corresponding to the mutual neighboring portions of the one-side and the other-side layer portions of the second outer layer. 13. The dash silencer for a vehicle according to claim 12, wherein in said soundproof sheet, the film lamination body constructing said intermediate layer includes: a barrier film formed from a resin having a melting point higher than that of a thermoplastic resin,a first film formed from the thermoplastic resin and fusion-bonded at a temperature lower than the melting point to be layered on said barrier film, anda second film formed from the thermoplastic resin and fusion-bonded at a temperature lower than the melting point to be layered on said barrier film so as to oppose said first film through said barrier film,wherein the one-side outer layer portion of said second outer layer is layered at the neighboring portion thereof on the neighboring portion of the other outer layer portion of said second outer layer so as to oppose the corresponding portion of said intermediate layer through the neighboring portion of the other outer layer portion of said second outer layer. 14. The dash silencer for a vehicle according to claim 13, wherein in said soundproof sheet, the film lamination body has a plurality of small holes which are formed dispersedly and penetratingly through the film lamination body toward each thickness direction of said first film, said barrier film and said second film. 15. The dash silencer for a vehicle according to claim 13, wherein in said soundproof sheet, the film lamination body constructing said intermediate layer includes: a barrier film formed from a resin having a melting point higher than that of a thermoplastic resin,a first film formed from the thermoplastic resin and fusion-bonded at a temperature lower than the melting point to be layered on said barrier film, anda second film formed from the thermoplastic resin and fusion-bonded at a temperature lower than the melting point to be layered on said barrier film so as to oppose said first film through said barrier film,wherein the one-side outer layer portion of said second outer layer is layered at the neighboring portion thereof on the neighboring portion of the other outer layer portion of said second outer layer so as to oppose the corresponding portion of said intermediate layer through the neighboring portion of the other outer layer portion of said second outer layer. 16. The dash silencer for a vehicle according to claim 15, wherein in said soundproof sheet, the film lamination body has a plurality of small holes which are formed dispersedly and penetratingly through the film lamination body toward each thickness direction of said first film, said barrier film and said second film. 17. A dash silencer for a vehicle which is installed along a partitionary wall member partitioning an engine room and a vehicle compartment included in the vehicle with an instrument panel disposed oppositely to an upper side portion of the partitionary wall member from the inner side of the vehicle compartment, the dash silencer comprising:a soundproof sheet which includes:a first outer layer formed from a porous material, said first outer layer including a one-side outer layer portion and also layer portion extended from the one-side outer layer portion,an intermediate layer formed by a film lamination body and including a one-sided intermediate layer portion and the one-side intermediate layer portion, said intermediate layer being layered at its one-side intermediate layer portion on the one-side outer layer portion of said first outer layer and being also layered at its other-side intermediate layer portion on the other-side outer layer portion of said first outer layer; anda second outer layer including a one-side layer portion formed from a porous material and the other-side outer layer portion formed from a sound insulation material, said second outer layer being layered at its one-side outer layer portion on the one-side intermediate layer portion of said intermediate layer from the opposite side of the one-side outer layer portion of said first outer layer and being also layered at its other-side outer layer portion on at least the other-side intermediate layer portion of said intermediate layer from the opposite side of the other-side outer layer portion of said first outer layer;wherein said soundproof sheet is mounted on at least a predetermined region of the partitionary wall member to layer the first outer layer along the predetermined region of the partitionary wall member from its up-side to its lower-side so as to oppose the one-side layer portion of the second outer layer to the instrument panel. 18. The dash silencer for a vehicle according to claim 17, wherein in said soundproof sheet, the one-side and other-side outer layer portions of said second outer layer are superposed and layered at their mutual neighboring portions with each other on a portion of the one-side layer portion of said intermediate layer corresponding to the mutual neighboring portions of the one-side and the other-side outer layer portions of the second outer layer.
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