DUAL BOBBIN MANDREL

摘要

A mandrel (204) for use on a dual bobbin spindle apparatus, the mandrel (204) being an expandable and contractible sleeve having a plurality of expansion members (210, 216) and at least one interstitial resilient member (222) separating the expansion members (210, 216), providing positive engagement of a plurality of reels or bobbins (200, 202) containing wound webs of flexible material.