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    • 31. 发明申请
    • Methods of forming muffler preforms
    • 形成消声器预制件的方法
    • US20080290547A1
    • 2008-11-27
    • US11807053
    • 2007-05-25
    • Sanjay P. KashikarLuc J. L. BrandtLeon Charlier
    • Sanjay P. KashikarLuc J. L. BrandtLeon Charlier
    • B29C59/02
    • B29C70/305B29B11/12B29B11/16B29C70/16B29C70/345B29K2101/12B29K2709/08B29K2995/0002D04H3/12D04H3/14F01N1/24F01N13/16F01N2450/06
    • Methods of forming compressed preform products formed from continuous fibers substantially evenly coated with a thermoplastic sizing composition are provided. Applying a thermoplastic sizing composition to continuous fibers during the formation of the fibers enables a preform to be formed without applying any additional sizing or binder compositions at later stages of the manufacturing of the preform. The thermoplastic sizing composition includes a thermoplastic material, and, optionally a silane coupling agent. The thermoplastic material in the thermoplastic sizing composition includes chemicals and/or compounds that are thermoplastic or possess thermoplastic properties. One or more preforms may be randomly inserted to a muffler cavity. Upon the application of heat, the preforms decompress and fill the cavity with fibrous material. Due to the ability to decompress the compressed preform product, the preform product can have a shape that is independent of the shape of the muffler cavity.
    • 提供了形成由基本上均匀地涂覆有热塑性施胶组合物的连续纤维形成的压缩预制品的方法。 在形成纤维期间将热塑性施胶组合物应用于连续纤维使得能够在预成型件的制造的后期阶段形成预制件而不施加任何附加的施胶或粘合剂组合物。 热塑性施胶组合物包括热塑性材料和任选的硅烷偶联剂。 热塑性施胶组合物中的热塑性材料包括热塑性或具有热塑性的化学品和/或化合物。 一个或多个预成型件可以随机地插入到消声器腔中。 在施加热量时,预成型件用纤维材料减压并填充空腔。 由于能够对压缩的预制品进行减压,所以预成型产品可以具有独立于消声器腔的形状的形状。
    • 33. 发明授权
    • Lightweight speaker enclosure
    • 轻便扬声器外壳
    • US07337874B1
    • 2008-03-04
    • US11151687
    • 2005-06-13
    • Ross Ritto
    • Ross Ritto
    • A47B81/06B29C47/06B29C65/40H05K5/00E04B1/82
    • H04R1/02B29C70/088B29K2105/0097B29K2105/04B29K2105/06B29K2995/0002B29L2031/3418B29L2031/608
    • A speaker enclosure having a substantially seamless rigid outer skin, a middle sound absorbing layer, and a substantially seamless inner skin results in a lightweight speaker having sound absorbing characteristics. The speaker enclosure is comprised of two basic parts, a box section and a baffle section where each of these sections include a rigid outer skin, the middle sound absorbing layer and a seamless inner skin and are made according to the same method. The outer skin is formed from a layer of sheet molding compound, the middle sound absorbing layer includes pieces of honeycomb material, and the inner skin is formed from a layer of sheet molding compound. The layers of material are placed into a mold and then cured through vacuum bagging and heating thereby producing a strong, lightweight speaker enclosure made of materials which attenuate the transmission and retransmission of errant sound waves in the enclosure thereby reducing distortion of the sound signal produced by the speaker.
    • 具有基本上无缝的刚性外皮,中间吸音层和基本上无缝的内表皮的扬声器外壳产生具有吸音特性的轻量级扬声器。 扬声器外壳包括两个基本部分,一个盒部分和挡板部分,其中每个部分包括刚性外皮,中间吸声层和无缝内皮,并且根据相同的方法制成。 外皮由一层片状复合材料形成,中间的吸音层包括一块蜂窝状材料,内层由一层片状模塑料形成。 材料层被放置在模具中,然后通过真空袋装和加热固化,从而产生由材料制成的强而轻的扬声器外壳,该材料衰减了外壳中的错误声波的传输和重传,从而减少了由声音信号产生的声音信号的失真 演讲者。
    • 36. 发明授权
    • Lightweight speaker enclosure
    • 轻便扬声器外壳
    • US06913110B1
    • 2005-07-05
    • US10635698
    • 2003-08-05
    • Ross Ritto
    • Ross Ritto
    • B29C65/00H04R1/02A47B81/06B29C47/06B29C65/40E04B1/82H05K5/00
    • H04R1/02B29C70/088B29K2105/0097B29K2105/04B29K2105/06B29K2995/0002B29L2031/3418B29L2031/608
    • A speaker enclosure having a substantially seamless rigid outer skin, a middle sound absorbing layer, and a substantially seamless inner skin results in a lightweight speaker having sound absorbing characteristics. The speaker enclosure is comprised of two basic parts, a box section and a baffle section where each of these sections include a rigid outer skin, the middle sound absorbing layer and a seamless inner skin and are made according to the same method. The outer skin is formed from a layer of sheet molding compound, the middle sound absorbing layer includes pieces of honeycomb material, and the inner skin is formed from a layer of sheet molding compound. The layers of material are placed into a mold and then cured through vacuum bagging and heating thereby producing a strong, lightweight speaker enclosure made of materials which attenuate the transmission and retransmission of errant sound waves in the enclosure thereby reducing distortion of the sound signal produced by the speaker.
    • 具有基本上无缝的刚性外皮,中间吸音层和基本上无缝的内表皮的扬声器外壳产生具有吸音特性的轻量级扬声器。 扬声器外壳包括两个基本部分,一个盒部分和挡板部分,其中每个部分包括刚性外皮,中间吸音层和无缝内皮,并且根据相同的方法制成。 外皮由一层片状复合材料形成,中间的吸音层包括一块蜂窝状材料,内层由一层片状模塑料形成。 材料层被放置在模具中,然后通过真空袋装和加热固化,从而产生由材料制成的强而轻的扬声器外壳,该材料衰减了外壳中的错误声波的传输和重传,从而减少了由声音信号产生的声音信号的失真 演讲者。