B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 75/10 (2006.01) A47K 10/16 (2006.01)
Patent
CA 2758902
According to the inven-tion, the core (5) has a cylindrical wall (8) which can be torn axially and is made up of two superposed strips, these respectively being an outer strip (10) in contact with the product and an inner strip (11), these strips being wound on one another and joined together by re-gions of attachment for example by bonding (12). At least one of the longi-tudinal edges of the inner strip (11) is not attached or is weakly attached over a determined width in order, over at least part of its helical length, to form a free and accessible tab (19) facing the outer strip (10).
Selon l'invention, le mandrin (5) comporte une paroi cylindrique (8) qui peut se déchirer axialement et se compose de deux bandes superposées, celles-ci étant respectivement une bande extérieure (10) en contact avec le produit et une bande intérieure (11), ces bandes étant enroulées l'une sur l'autre et reliées l'une à l'autre par des régions de fixation, par exemple par liaison (12). Au moins un des bords longitudinaux de la bande intérieure (11) n'est pas fixé ou est faiblement fixé sur une largeur déterminée pour, sur au moins une partie de sa longueur hélicoïdale, former une languette (19) libre et accessible faisant face à la bande extérieure (10).
Brendle Damien
Hoeft Benoit
Laurent Pierre
Ruppel Remy
Sigwalt Rene
Georgia-Pacific France
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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