| 摘要 |
<p>A multi-ply woven fabric especially for use as a Fourdrinier forming belt and so constructed that it has a relatively long useful life. The surface area of the fabric is at least about nine percent open, and the fabric includes at least two woven plies with the top or face ply having a considerably greater number of yarns per square inch thereof than the bottom or backing ply, and wherein the yarns in the bottom ply are substantially larger than and have a substantially greater aggregate cross-sectional area than the yarns in the top ply.</p> |
