Patent ID: 7222818

Claim:
A spool comprising: a barrel having a first end, a second end, a longitudinal centerline and an outer surface located at a first radius from the centerline; first and second end flanges each having a hub portion and an annular rim portion, the annular rim portion having a radial span extending from an inner radius to an outer radius, the inner and outer radii each extending from a flange centerline and the inner radius being substantially equal to the first radius and each flange being fixedly coupled at the hub portion to the barrel at the first and second ends, respectively; and a plurality of openings extending completely through the flange, each opening positioned at a different angular and radial location within the annular rim portion with only one opening disposed at each radial location on the flange, the openings sized such that they combine to extend over substantially the entire radial span of the annular rim portion.