| 摘要 |
PCT No. PCT/IT96/00238 Sec. 371 Date Oct. 28, 1998 Sec. 102(e) Date Oct. 28, 1998 PCT Filed Dec. 2, 1996 PCT Pub. No. WO97/20687 PCT Pub. Date Jun. 12, 1997An embossing and laminating machine comprising a first embossing cylinder with a surface provided with a first set of protuberances, a second embossing cylinder with a surface provided with a second set of protuberances, said two embossing cylinders forming a nip, and a first and a second pressure roller interacting with said first and second embossing cylinders respectively; and in which said sets of protuberances are made in such a way that in said nip some of said first set of protuberances coincide with some of said second set of protuberances, while other protuberances of said first set are out of phase with corresponding protuberances of said second set, wherein said embossing cylinders are mechanically connected by a transmission which does not keep the cylinders in phase and which causes slight relative slippage between said embossing cylinders. |
