AN ACOUSTIC PRODUCT COMPOSED OF COMPOSITE MATERIAL
    65.
    发明公开
    AN ACOUSTIC PRODUCT COMPOSED OF COMPOSITE MATERIAL 审中-公开
    AKUSTISCHES PRODUKT AUS EINEM VERBUNDSTOFF

    公开(公告)号:EP3134894A1

    公开(公告)日:2017-03-01

    申请号:EP15782926.8

    申请日:2015-04-22

    Inventor: PALTAKARI, Jouni

    Abstract: The invention relates to an acoustic product composed of composite material, such as a musical musical instrument, a part thereof, an acoustic equipment or like, which is manufactured from raw material comprising at least cellulose based substance and plastic based substance by means of a thermoplastic process, such as by pressing, compression molding, injection molding, extrusion, blow molding by heat, rotational molding and/or the like. The acoustic product has a material composition consisting of fiber substance (1) based on surface modified cellulose and plastic based substance (2), wherein the product has an essentially wood-like, but isotropic sound.

    Abstract translation: 本发明涉及一种由诸如乐器,其一部分,声学设备等的复合材料组成的声学产品,其由至少包含基于纤维素的物质的原料和通过热塑性塑料的塑料基物质制成 工艺,例如通过压制,压缩成型,注射成型,挤出,通过加热吹塑,旋转成型等。 声学产品具有由基于表面改性纤维素的纤维物质(1)和基于塑料的物质(2)组成的材料组合物,其中该产品具有基本上类似木质但各向同性的声音。

    PRODUCTION METHOD OF A COMPOSITE MATERIAL
    66.
    发明授权
    PRODUCTION METHOD OF A COMPOSITE MATERIAL 有权
    HERSTELLUNGSVERFAHRENFÜREIN VERBUNDMATERIAL

    公开(公告)号:EP2681039B1

    公开(公告)日:2016-02-03

    申请号:EP12808495.1

    申请日:2012-11-22

    Abstract: The present invention relates to production method of a composite material wherein the composite material is tensioned and cured to produce a composite material with a single cord or cord fabric reinforced with another component, comprising the steps of adhering at least two layers of compound material, attaching the adhered compound materials inside a hollow frame, placing said frame into a pre-tensioning device, wrapping the cords around the frame with the desired pre-tension, removing the frame together with the compound material and the cords from the pre-tensioning device, placing at least one layer of compound material on the curing tray, placing the coated frame removed from the pre-tensioning device onto the compound material layers, placing at least one more layer of compound material on the coated frame, closing the lid over the curing tray, curing the material and cutting the composite material into strips.

    Abstract translation: 复合材料的制造方法技术领域本发明涉及复合材料的制造方法,其中复合材料被张紧和固化以制造具有用另一部件增强的单根绳索或绳索织物的复合材料,其包括以下步骤:粘合至少两层复合材料,附着 将粘合的复合材料放置在中空框架内部,将所述框架放置在预张紧装置中,以期望的预张力将绳索围绕框架缠绕,与复合材料和帘线一起从预张紧装置移除框架, 将至少一层复合材料放置在固化托盘上,将涂覆的框架从预张紧装置移除到复合材料层上,将至少一层复合材料放置在涂覆的框架上,将盖子关闭固化 托盘,固化材料并将复合材料切成条带。

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