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    • 6. 发明申请
    • COMPOSITE STRUCTURES WITH UNIDIRECTIONAL FIBERS
    • 具有单向纤维的复合结构
    • US20110281044A1
    • 2011-11-17
    • US12781761
    • 2010-05-17
    • Spyros MichailKevin KenneyTommy TangVinh DiepShannon HsuehDan Hong
    • Spyros MichailKevin KenneyTommy TangVinh DiepShannon HsuehDan Hong
    • B32B5/26B32B5/28B32B17/04B65H81/00
    • B29C70/20B29C70/32B29C70/46B32B17/04Y10T428/1314Y10T428/1372
    • Composite structures may be formed using sheets of unidirectional fiber prepreg. Each of the prepreg sheets may include unidirectional fibers such as glass fibers and a binder such as plastic. The prepreg sheets may be wrapped around the outer surface of a drum. Ring-shaped sections of the wrapped sheets may be cut from the drum to form rings of prepreg layers. The prepreg rings may be placed into a mold cavity of a desired shape. While contained in stack of molds, prepreg rings may be cured by applying heat and pressure. Finished composite structures such as ring-shaped composite structures may be released from the molds following curing. The composite structures may be planar structures that have planar upper and lower surfaces and inner and outer edges. The fibers in the finished composite structures may run parallel to the upper and lower surfaces and parallel to the inner and outer edges.
    • 可以使用单向纤维预浸料片形成复合结构。 每个预浸料片材可以包括单向纤维,例如玻璃纤维和诸如塑料的粘合剂。 预浸片可以卷绕在滚筒的外表面上。 包裹的片材的环形部分可以从滚筒上切割以形成预浸料层的环。 预浸料环可以放置在所需形状的模腔中。 当包含在模具堆中时,预浸料环可以通过施加热和压力而固化。 成品复合结构如环形复合结构可在固化后从模具中释放出来。 复合结构可以是具有平面的上表面和下表面以及内边缘和外边缘的平面结构。 成品复合结构中的纤维可以平行于上表面和下表面平行,并且平行于内边缘和外边缘。