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    14.
    发明专利
    未知

    公开(公告)号：DE69714136T2

    公开(公告)日：2003-03-13

    申请号：DE69714136

    申请日：1997-05-13

    Applicant: UNITED TECHNOLOGIES CORP

    Inventor： WALLA LISA A ,  WATSON CHARLES R

    IPC: B64C1/00 ,  B29B11/16 ,  B29C70/06 ,  B29C70/40 ,  B29C70/46 ,  B29K105/06 ,  B29K105/08 ,  C08J5/04 ,  B29C70/42

    Abstract: A method for preparing an uncured supported elastomer material includes the steps of: providing a fibrous reinforcement material; providing a layer of uncured elastomer material substantially adjacent to the fibrous reinforcement material; exposing the layer and the fibrous reinforcement to a temperature below a curing temperature and above a flow point of the uncured elastomer material, and a pressure sufficient that the uncured elastomer material flows into the fibrous reinforcement material, so as to provide an uncured supported elastomer material.

    16.
    发明专利
    未知

    公开(公告)号：DK0634970T3

    公开(公告)日：1998-02-02

    申请号：DK93909190

    申请日：1993-03-26

    Applicant: UNITED TECHNOLOGIES CORP

    Inventor： HERTEL CHRISTOPHER J ,  WATSON CHARLES R ,  LESHANE JEFFREY S

    IPC: B29C45/00 ,  B29C45/02 ,  B29C45/34

    Abstract: A substantially microcrack- and blister-free composite can be made by drying an addition-type polyimide molding compound under suitable conditions to remove excess moisture. The molding compound includes a mixture of a polyimide resin and a plurality of carbon reinforcing fibers less than 3 mm long. The molding compound is placed into a heated material reservoir and transferred to a heated molding tool with a heated transfer ram. The ram establishes a molding pressure in a mold cavity in the molding tool sufficient to cure the molding compound into the desired composite. The molding compound is transferred to the mold cavity such that the molding compound is heated to a molding temperature at a rate of at least about 85 degrees C./min. The molding pressure and temperature are maintained in the mold cavity for a time sufficient to cure the molding compound into the desired composite. The composite is cooled and then heated to a suitable post-cure temperature at a rate sufficient to permit residual volatiles in the composite to diffuse out of the composite. The composite is held at the post-cure temperature for a sufficient time and then cooled. The invention also includes an article made by this method and a vented molding tool used in the method.

    CARBON FIBER REINFORCED POLYIMIDE COMPOSITES.
    17.
    发明专利
    CARBON FIBER REINFORCED POLYIMIDE COMPOSITES. 未知

    公开(公告)号：GR3025011T3

    公开(公告)日：1998-01-30

    申请号：GR970402655

    申请日：1997-10-13

    Applicant: UNITED TECHNOLOGIES CORP

    Inventor： HERTEL CHRISTOPHER J ,  WATSON CHARLES R ,  LESHANE JEFFREY S

    IPC: B29C45/00 ,  B29C45/02 ,  B29C45/34

    Abstract: A substantially microcrack- and blister-free composite can be made by drying an addition-type polyimide molding compound under suitable conditions to remove excess moisture. The molding compound includes a mixture of a polyimide resin and a plurality of carbon reinforcing fibers less than 3 mm long. The molding compound is placed into a heated material reservoir and transferred to a heated molding tool with a heated transfer ram. The ram establishes a molding pressure in a mold cavity in the molding tool sufficient to cure the molding compound into the desired composite. The molding compound is transferred to the mold cavity such that the molding compound is heated to a molding temperature at a rate of at least about 85 degrees C./min. The molding pressure and temperature are maintained in the mold cavity for a time sufficient to cure the molding compound into the desired composite. The composite is cooled and then heated to a suitable post-cure temperature at a rate sufficient to permit residual volatiles in the composite to diffuse out of the composite. The composite is held at the post-cure temperature for a sufficient time and then cooled. The invention also includes an article made by this method and a vented molding tool used in the method.

    IN-SITU DESIZING FOR LIQUID INFUSION PROCESSES
    18.
    发明公开
    IN-SITU DESIZING FOR LIQUID INFUSION PROCESSES 审中-公开
    IN-SITU-ENTSCHLICHTUNGFÜRFLÜSSIGKEITSINJEKTIONSVERFAHREN

    公开(公告)号：EP3065937A4

    公开(公告)日：2017-07-05

    申请号：EP14860577

    申请日：2014-10-20

    Applicant: UNITED TECHNOLOGIES CORP

    Inventor： RIEHL JOHN D ,  WATSON CHARLES R

    IPC: B29B13/00 ,  B29B13/02 ,  B29B15/10 ,  B29C70/48

    CPC classification number: B29C70/48 ,  B29B13/00 ,  B29B13/023 ,  B29B2013/002 ,  B29B2013/005 ,  B29C33/10 ,  B29K2079/08 ,  B29L2009/00

    Abstract: A method of molding a component includes the steps of providing a plurality of fibers, applying the fibers with a low temperature sizing to form a plurality of sized fibers, forming a preform from the plurality of sized fibers, placing the preform in a mold, and de-sizing the preform by heating the mold to an initial temperature that is sufficient to break down the low temperature sizing to a gaseous phase. A molding apparatus is also disclosed.

    Abstract translation: 模制组件的方法包括以下步骤：提供多个纤维，将纤维施加低温上浆以形成多个尺寸的纤维，由多个尺寸的纤维形成预成型件，将预成型件置于模具中，以及 通过将模具加热至足以将低温上浆分解成气相的初始温度来使预成型件去尺寸化。 还公开了一种模制装置。

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