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摘要

PROBLEM TO BE SOLVED: To provide a web conveyance device wherein two roll-shaped rolled materials can be set.;SOLUTION: A web conveyance device includes a first feed shafts 21a and a second feed shaft 21b on which roll-shaped rolled materials 10a and 10b are set respectively, a differential device 22 disposed on the opposite side of the first feed shaft 21a relative to the second feed shaft 21b, a drive shaft 28 extending to penetrate hollow spaces of the first feed shaft 21a, the second feed shaft 21b and the side gear 23 of the differential device 22, and a nip roller 31 that grips and conveys webs 11a and 11b simultaneously. The first feed shaft 21a extends to penetrate the hollow space of the second feed shaft 21b and is connected to a side gear 23a disposed on the side of the second feed shaft 21b. A pinion shaft 25 is made to revolve by the rotation of the drive shaft 28. The drive shaft 28, the first feed shaft 21a and the second feed shaft 21b are each made separable at the middle sections 283, 213a and 213b thereof respectively.;COPYRIGHT: (C)2014,JPO&INPIT