| 摘要 |
A three dimensional molded article with a compound curvature having a composite wall with at least one contour having a depth to width ratio of at least about 0.2. The composite wall is formed of highly drawn thermoplastic tapes with thermoplastic films disposed on the outside of the tapes. The tapes have a highly drawn interior layer and exterior layers with a peak melting temperature below the peak melting temperature of the inner layer. The composite wall has a thickness of at least eight tapes which can be formed in layers of woven fabrics. The tapes are fused together and the film layers are fused to the exterior of the tapes. The films have inner surfaces that can fuse together, and outer surfaces that can fuse together. In this manner, when the film folds over itself in the molding process, the outer surface of the film bonds to itself and against the tapes to provide a smooth continuous layer.
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