Invention Grant
US07185838B2 Spool filled with multiple elongated elements wound closely together 有权
线轴填充有紧密缠绕在一起的多个细长元件

Spool filled with multiple elongated elements wound closely together
Abstract:
A spool filled with two or more elongated elements such as steel cords wound in parallel and in several windings upon the spool. The distances between two neighboring elongated elements, as measured along a line parallel to the axis of the spool, is not more than 10 mm along 90% of the length of each elongated element.
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