B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
242/1
B65H 75/00 (2006.01) B65H 18/16 (2006.01) B65H 19/22 (2006.01) B65H 19/30 (2006.01)
Patent
CA 1336772
The invention relates to a method for on-machine winding of a web, in which method a Pope-type reel drum (10) or the like is used, over which the web (W) to be wound is guided. In the method new reel spools (11) are brought into contact with the reel drum (10), after which the web (W) is guided from the fully wound roll to be wound onto a new reel spool (11). In the method primary forks (14), when in their upper position, pick up an empty reel spool (11A,11B) without any auxiliary equipment. Guided by the primary forks (14) and supported on support plates (17) attached on primary forks (14), the empty, preaccelerated reel spool (11B,11C) is brought into nip contact with the rotating reel drum (10), through the nip of which the web (W) to be wound runs, and is wound about the reel spool (11) at the nip contact. The support plates (17) remain in such a position while the primary forks (14) are being lowered that the contact pressure between the reel spool (11C-11E) and the reel drum (10) remains essentially constant as the primary forks (14) move from the upper position to the lower . When the primary forks (14) are in the lower position, the support plates turn into such a position that they pass the reel spool (11), which is already positioned on the reel tracks (12), when the primary forks (14) are moving back into their upper position, and the above steps are repeated when it is time to exchange reel spools again and the support plates are ready to receive one. The invention also relates to the apparatus used in the method.
604540
Gowling Lafleur Henderson Llp
Valmet Paper Machinery Inc.
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