摘要 |
PCT No. PCT/IT96/00240 Sec. 371 Date May 26, 1998 Sec. 102(e) Date May 26, 1998 PCT Filed Dec. 6, 1996 PCT Pub. No. WO97/20689 PCT Pub. Date Jun. 12, 1997An embossing and laminating machine is provided comprising a first embossing cylinder with a surface provided with a first set of protuberances and a second embossing cylinder with a surface provided with a second set of protuberances. The two embossing cylinders forming a nip. First and second pressure rollers interact with the first and the second embossing cylinders respectively. The protuberances are constructed in such a way that in the nip some of the protuberances of the first set coincide with some protuberances of the second set while other protuberances of the first set are out of phase with corresponding protuberances of the second set. |