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    • 4. 发明授权
    • Method and device for fabricating composite materials and bonded sheet items
    • 制造复合材料和粘结片材的方法和装置
    • US06967000B2
    • 2005-11-22
    • US10477108
    • 2002-04-12
    • Jan Vaara
    • Jan Vaara
    • B29C70/44B29C43/12
    • B29C70/44
    • This invention refers to a method and a device for use in connection with the fabrication of multilayer products (8) such as composites and bonded multilayer sheet products, ect. by means of the so-called “bagging technique,” to increase the compressive pressure (P) on the product being created beyond normal atmospheric pressure. In the bagging technique, which is used to join a plurality of different material layers with one another to form a unit via polymeric binder layers, atmospheric pressure is normally used to press the various objects together in that they are enclosed in a depressurized gas-impervious bag (9, 21) while the various layers are joined to form a unified product. According to the invention, the atmospheric pressure acting upon the outside of the bag is adsorbed by a first material surface (3+4+5) that is larger than the surface of the multilayer product whose intermediate binder layers are to be caused to join together, while a second material surface (3) facing the opposite direction is used to transfer said composite pressure load (P) to the product to be fabricated. The invention also includes a method and a device for distributing the pressure load (17, 18, 10) laterally in connection with the fabrication of e.g. a U-channel-shapped object with the help of the wedge effect.
    • 本发明涉及一种用于制造多层产品(8)的方法和装置,例如复合材料和粘合的多层片材产品等。 通过所谓的“装袋技术”来增加在正常大气压以上产生的产品上的压缩压力(P)。 在用于将多个不同材料层彼此连接以通过聚合物粘合剂层形成单元的装袋技术中,通常使用大气压力将各种物体压在一起,因为它们被封闭在减压气体不渗透 袋(9,21),同时各层被连接以形成统一的产品。 根据本发明,作用在袋外部的大气压力被第二材料表面(3 + 4 + 5)所吸收,该第一材料表面(3 + 4 + 5)大于其中间粘合剂层要连接在一起的多层产品的表面 而使用面向相反方向的第二材料表面(3)将所述复合压力载荷(P)转移到待制造的产品上。 本发明还包括一种方法和装置,用于与制造例如制冷剂相互横向分配压力负荷(17,18,10)。 在楔形效应的帮助下,一个U通道分离的物体。
    • 7. 发明授权
    • Repair method
    • 修理方法
    • US07368073B2
    • 2008-05-06
    • US10767598
    • 2004-01-29
    • Max KrogagerJan Vaara
    • Max KrogagerJan Vaara
    • B29C70/56B29C70/16B32B38/08B32B7/00B32B5/12B29C70/54
    • B29C73/025B29K2105/128B29L2009/00
    • In a method for filling pores between two adjacent layers of a laminate for a component with high demands upon strength and comprising several layers of fibre composite having within each layer substantially parallel fibres embedded in a matrix, a connection path is created, through which a medium may move inside the laminate, between the exterior of the laminate and the pore by exerting the laminate at least in the region of the pore for forces making slots to propagate substantially in the matrix through each laminate layer along the fibre direction of the layer. A flowing, curable material is after that applied at an outer surface of the laminate and this is brought to fill the pore through the connection path. Finally, the material filling the pore is brought to cure.
    • 在用于对强度要求高的部件的层压板的两个相邻层之间填充孔隙的方法中,并且包括几层纤维复合材料,其在每层内具有基本平行的嵌入在矩阵中的纤维,产生连接路径,通过该连接路径, 可以通过在层压体的外部至少在孔的区域内施加层压体,在层压体的外部之间移动,从而使槽沿着该层的纤维方向通过每个层压层基本上在基体中传播。 之后,将流动的可固化材料施加在层压板的外表面上,并通过连接路径填充孔。 最后,使填充孔的材料固化。
    • 8. 发明申请
    • Method of forming a composite structure
    • 形成复合结构的方法
    • US20050194724A1
    • 2005-09-08
    • US10963818
    • 2004-10-14
    • Max KrogagerJan Vaara
    • Max KrogagerJan Vaara
    • B29C70/44B29C70/54B32B5/26B32B5/28B29C47/00
    • B32B5/26B29C70/44B29C70/547B32B5/28B32B2260/023B32B2260/046B32B2605/18
    • The present invention relates to methods for forming composite structures and composite structures formed by these methods. The methods include arranging a stack of prepreg sheets on a mold. The composite material is substantially sealed within a vacuum bag. One or more vacuum ports extend through the vacuum bag. Vacuum is applied through the vacuum ports for drawing air from the stack of prepreg sheets. Air in the space between adjacent prepreg sheets in the stack is evacuated through at least one less-impregnated layer within a least one of the two adjacent prepreg sheets. The less impregnated layer communicates with the vaccum port. The process may be repeated until the stack comprises a predetermined number of prepreg sheets. The composite material is cured and the structure is released from the mold and the vacuum bag, thus providing a composite structure formed from evacuated, cured stack of prepreg sheets.
    • 本发明涉及通过这些方法形成复合结构和复合结构的方法。 所述方法包括在模具上布置一叠预浸片。 复合材料基本上密封在真空袋内。 一个或多个真空口延伸穿过真空袋。 通过真空端口施加真空,用于从预浸料片材的堆叠中抽出空气。 在堆叠中的相邻预浸料片之间的空间中的空气通过至少一个相邻的预浸渍片材中的至少一个较少浸渍的层排出。 较少浸渍的层与真空口连通。 可以重复该过程,直到堆叠包含预定数量的预浸料片。 复合材料被固化,并且结构从模具和真空袋中释放出来,从而提供由抽出的,固化的预浸料片堆叠形成的复合结构。