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    • 1. 发明授权
    • Method for producing a lightweight, sound insulating covering for motor vehicles and corresponding covering
    • 一种用于生产机动车辆和相应覆盖物的轻质,隔音覆盖物的方法
    • US08276710B2
    • 2012-10-02
    • US12224258
    • 2007-02-26
    • Dirk SoltauMichael HansenThomas GrossMonika Gruna
    • Dirk SoltauMichael HansenThomas GrossMonika Gruna
    • E04B1/84
    • B29C44/0407B60R13/0815
    • A method for producing a lightweight, sound insulating covering (1, 1′, 1″, 1″′) for a body component of a motor vehicle, in particular a lightweight dashboard covering, wherein the covering (1, 1′, 1″, 1″′) is produced as a foamed, sound absorbing molded part in a single-stage operation by injecting a reactive mix, comprising polyol and isocyanate, into a cavity (11) of a foaming tool (9), wherein before and/or during the injecting, at least one predetermined surface portion (17), defining the cavity (11) of the foaming tool (9), is temperature-controlled in such a manner that the foamed molded part comprises an integral substantially pore free skin (1.1) with a thickness of at least 0.5 mm on one side, and comprises an open porous surface (1.2) and/or a thinner, sound permeable skin (1.4) on its side opposite to said skin (1.1).
    • 一种用于制造用于机动车辆的身体部件的轻质隔音覆盖物(1,1',1“,1”)的方法,特别是轻量级的仪表板覆盖物,其中所述覆盖物(1,1',1“ ,1“')通过将包含多元醇和异氰酸酯的反应性混合物注入到发泡工具(9)的空腔(11)中而在单阶段操作中被制造为发泡的吸声模制部件,其中在/ 或者在注射过程中,限定发泡工具(9)的空腔(11)的至少一个预定表面部分(17)被进行温度控制,使得发泡模塑部件包含一体的基本上无孔隙的皮肤 1.1),其一侧具有至少0.5mm的厚度,并且在与所述皮肤(1.1)相对的一侧上包括开放的多孔表面(1.2)和/或较薄的,可透声的皮肤(1.4)。
    • 2. 发明申请
    • Method for Producing a Lightweight, Sound Insulating Covering for Motor Vehicles and Corresponding Covering
    • 生产轻型,机动车隔音覆盖物及相应覆盖物的方法
    • US20120080262A1
    • 2012-04-05
    • US12224258
    • 2007-02-26
    • Dirk SoltauMichael HansenThomas GrossMonika Gruna
    • Dirk SoltauMichael HansenThomas GrossMonika Gruna
    • E04B1/84B29C44/12B29C44/02
    • B29C44/0407B60R13/0815
    • A method for producing a lightweight, sound insulating covering (1, 1′, 1″, 1″) for a body component of a motor vehicle, in particular a lightweight dashboard covering, wherein the covering (1, 1′, 1″, 1″) is produced as a foamed, sound absorbing molded part in a single-stage operation by injecting a reactive mix, comprising polyol and isocyanate, into a cavity (11) of a foaming tool (9), wherein before and/or during the injecting, at least one predetermined surface portion (17), defining the cavity (11) of the foaming tool (9), is temperature-controlled in such a manner that the foamed molded part comprises an integral substantially pore free skin (1.1) with a thickness of at least 0.5 mm on one side, and comprises an open porous surface (1.2) and/or a thinner, sound permeable skin (1.4) on its side opposite to said skin (1.1).
    • 一种用于生产用于机动车辆的身体部件的轻质隔音覆盖物(1,1',1“,1”)的方法,特别是轻型的仪表板覆盖物,其中所述覆盖物(1,1',1“,” 1“)通过将包含多元醇和异氰酸酯的反应性混合物注入到发泡工具(9)的空腔(11)中而在单阶段操作中被制造为发泡的吸声模制部件,其中在和/或之间 限定发泡工具(9)的空腔(11)的至少一个预定表面部分(17)被进行温度控制,使得发泡模塑部件包含一体的基本上无孔隙的皮肤(1.1) 在一侧具有至少0.5mm的厚度,并且在其与所述皮肤(1.1)相对的一侧上包括开放的多孔表面(1.2)和/或更薄的,可透声的皮肤(1.4)。