| 摘要 |
The specification discloses apparatus for feeding a zig-zag strip which apparatus comprises a series of support members engageable with spaced transverse locations along the strip, means to guide the strip to the support members and to form loops of the strip between the support members which are arranged in two series which are movable around respective closed paths that intersect one another with each member of each series passing between a pair of adjacent members in the other series at the points of intersection of the paths, means being provided to feed the strip between the members in the respective series at a point of intersection of the paths whereby after that point of intersection the members carry the strip in a zig-zag configuration. |
