A take-up tube transporting apparatus comprises tray transporting line which circulate endlesswise in two upper and lower stages between a winder and a preparation machine for replacing conical take-up tubes ejected from a textile machine with spinning bobbins to send the latter to the textile machine,...http://www.google.fr/patents/US5184713?utm_source=gb-gplus-shareBrevet US5184713 - Take-up tube transporting apparatus
