B - Operations – Transporting – 31 – F
Patent
B - Operations, Transporting
31
F
B31F 1/07 (2006.01)
Patent
CA 2239373
An embossing and laminating machine is described comprising a first embossing cylinder (3) with a surface provided with a first set of protuberances (P3), a second embossing cylinder (5) with a surface provided with a second set of protuberances (P5), the said two embossing cylinders forming a nip, and a first and a second pressure rollers (7, 9) interacting with the first and the second embossing cylinders (3, 5) respectively; and in which the protuberances of the said first and the said second sets (P3, P5) are made in such a way that in the said nip some of the protuberances of the first set (P3) coincide with some protuberances of the second set (P5), while other protuberances of the first set are out of phase with corresponding protuberances of the second set. The transmission between the two cylinders is a transmission which permits slippage and phase difference between the cylinders to produce uniform wear of the protuberances.
Machine de gaufrage et de stratification comportant un premier cylindre de gaufrage (3) présentant une surface pourvue d'un premier groupe de protubérances (P3), un second cylindre de gaufrage (5) présentant une surface pourvue d'un second groupe de protubérances (P5), les deux dits cylindres de gaufrage délimitant une zone de pincement, et un premier et un second rouleau de pression (7, 9) coopérant respectivement avec le premier et le second cylindre de gaufrage (3, 5). Les protubérances dudit premier et dudit second groupe de protubérances (P3, P5) sont telles que, dans ladite zone de pincement, certaines des protubérances du premier groupe (P3) coïncident avec certaines des protubérances du second groupe (P5), tandis que les autres protubérances du premier groupe sont déphasées par rapport aux protubérances correspondantes du second groupe. La transmission entre les deux cylindres permet un glissement et un déphasage entre les cylindres, de sorte que l'usure des protubérances soit homogène.
Fabio Perini S.p.a.
Ridout & Maybee Llp
LandOfFree
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