| 摘要 |
The present invention introduces and teaches a vane (12A) construction wherein a balanced, multi-layered construction includes upper and lower fibrous layers (22A) and (24A), between which spun bond layers (26A) and (28A) are situated and, within which, an optional film layer (30A) is at the center. An optional outer layer (31A) of decorative yarns is provided adjacent fiber layer (22A), and serves as an additional element for controlling the aesthetic overall appearance of the vane (12A). The combination of layers just described is held together by stitching (33A), which penetrates all layers. |
