B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 18/04 (2006.01)
Patent
CA 2573737
A coreless roll (12) of a plastic film (10) is directly wound onto a tubular spindle (11); the spindle (11) is provided with an air chamber (11P) having a perforated side wall (11W), which communicate with a pressurised air source (27). At the removal of the roll (12), the inner turns of the roll (12) are radially expanded by feeding a pressurised airflow into the winding spindle (11) and the roll (12); the pressurised air is fed for a length of time required for the removal of the roll (12).
L'invention concerne un rouleau sans âme (12) de film plastique (10) directement enroulé sur un mandrin tubulaire (11), ledit mandrin (11) étant pourvu d'une chambre pneumatique (11P) à paroi latérale perforée (11W) qui communique avec une source d'air (27) sous pression. Au moment du retrait du rouleau (12), les tours intérieurs dudit rouleau (12) s'étendent radialement par fourniture d'un écoulement d'air dans le mandrin de bobinage (11) et dans le rouleau (12), l'air sous pression étant fourni pendant la durée nécessaire au retrait du rouleau (12).
Gowling Lafleur Henderson Llp
No.el. S.r.l.
LandOfFree
Method and apparatus for winding and removing coreless rolls... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for winding and removing coreless rolls..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for winding and removing coreless rolls... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1623519