INTEGRATED STRING COMPRISED OF FROM 2 TO 4 MONOFILAMENTS

摘要

. . A string suitable for use in games rackets such as for tennis contains from two to four heavy denier monofilaments of an oriented synthetic polymer. Each monofilament has at least two opposite flattened sides throughout its length The monofilaments are ply-twisted and bonded together along their lengths with each being bonded along a flattened side to at least one other such monofilament. Particularly suitable monofilaments have a substantially ribbon-shaped crosssection with a length-to-width ratio of from two to four.