Patents Assigned to Longpoint Co., Ltd.
  • Base paper of aramid fiber honeycomb core and manufacturing method thereof
    Patent number: 8764941
    Abstract: A base paper of aramid fiber honeycomb core and its manufacturing method are provided. The base paper comprises 11-90 parts by weight of structural fiber, 10-70 parts by weight of crosslinking fiber, and 0-19 parts by weight of additive fiber, wherein the structural fiber is poly(p-phenylene terephthal amide) fiber, the crosslinking fiber is poly(m-phenylene isophthal amide) fibrid, and the additive is polyester fiber.
    Type: Grant
    Filed: July 21, 2009
    Date of Patent: July 1, 2014
    Assignee: Longpoint Co., Ltd.
    Inventors: Peizhi Heng, Wenyong Tang, Shiyi Tao, Liping Wang