초록 ▼

The embossing unit includes in combination: a first support for a first embossing roller and a second support for a first pressure roller, cooperating with the first embossing roller. The second support presents two seats to receive and support the first pressure roller in two different positions wi

The embossing unit includes in combination: a first support for a first embossing roller and a second support for a first pressure roller, cooperating with the first embossing roller. The second support presents two seats to receive and support the first pressure roller in two different positions with respect to this support. The embossing unit also includes a third support for a second embossing roller. The third support can take at least two different operating positions. A fourth support is provided to support a second pressure roller suitable to cooperate with the second embossing roller and suitable to take at least an operating position and an idle position. Finally, there is provided a fifth support with a double seat to receive and support in two different positions alternatively a marrying roll or the second pressure roller.

대표청구항 ▼

1. An embossing unit for embossing and joining at least two plies of web material, comprising in combination: a first support for a first embossing roller;a second support for a first pressure roller, said first pressure roller cooperating with said first embossing roller, said second support presen

1. An embossing unit for embossing and joining at least two plies of web material, comprising in combination: a first support for a first embossing roller;a second support for a first pressure roller, said first pressure roller cooperating with said first embossing roller, said second support presenting two seats to receive and support the first pressure roller in two different positions with respect to said second support, wherein said first pressure roller cooperates with said first embossing roller in both of said two different positions;a third support, for a second embossing roller, said third support being structured to have at least two different operating positions;a fourth support for a second pressure roller structured to cooperate with said second embossing roller and to take at least an operating position and an idle position;a fifth support with a double seat to receive and support in two different positions alternatively a marrying roller co-acting with the first embossing roller or said second pressure roller cooperating with the second embossing roller. 2. The embossing unit as claimed in claim 1, wherein said third support has a variable configuration to carry the second embossing roller to at least two alternative operating positions with respect to the first embossing roller. 3. The embossing unit as claimed in claim 2, wherein said third support is constrainable to a base oscillating about an axis substantially parallel to an axis of said first embossing roller and said second embossing roller and of said first pressure roller and said second pressure roller, said base being structured to take at least two angularly different operating positions, and wherein a spacer element is interposable between said base and said third support, said spacer element being interposed or not interposed between the base and the third support according to an operating position to be taken by the second embossing roller with respect to the first embossing roller. 4. The embossing unit as claimed in claim 3, wherein said at least two angularly different operating positions of the base are defined by an adjustable stop. 5. The embossing unit as claimed in claim 4, wherein said adjustable stop is motorized. 6. The embossing unit as claimed in claim 1, wherein said second support comprises an arm oscillating about an axis of oscillation substantially parallel to the axis of said first pressure roller and the second pressure roller and of said first embossing roller and said second embossing roller, and wherein said two seats to support the first pressure roller are adjacent along a longitudinal extension of said oscillating arm. 7. The embossing unit as claimed in claim 2, wherein said second support comprises an arm oscillating about an axis of oscillation substantially parallel to the axis of said first pressure roller and said second pressure roller and of said first embossing roller and said second embossing roller, and wherein said two seats to support the first pressure roller are adjacent along a longitudinal extension of said oscillating arm. 8. The embossing unit as claimed in claim 3, wherein said second support comprises an arm oscillating about an axis of oscillation substantially parallel to the axis of said first pressure roller and said second roller and of said first embossing roller and said second embossing roller, and wherein said two seats to support the first pressure roller are adjacent along a longitudinal extension of said oscillating arm. 9. The embossing unit as claimed in claim 4, wherein said second support comprises an arm oscillating about an axis of oscillation substantially parallel to the axis of said first pressure roller and said second pressure roller and of said first embossing roller and said second embossing roller, and wherein said two seats to support the first pressure roller are adjacent along a longitudinal extension of said oscillating arm. 10. The embossing unit as claimed in claim 5, wherein said second support comprises an arm oscillating about an axis of oscillation substantially parallel to the axis of said first pressure roller and said second pressure roller and of said first embossing roller and said second embossing roller, and wherein said two seats to support the first pressure roller are adjacent along a longitudinal extension of said oscillating arm. 11. The embossing unit as claimed in claim 6, wherein said arm comprises two portions connectable and disconnectable to remove a pressure roller from a respective seat. 12. The embossing unit as claimed in claim 1, wherein said fifth support is oscillating about an axis substantially parallel to axes of the first embossing roller and the second embossing roller and of the first pressure roller and the second embossing roller. 13. The embossing unit as claimed in claim 2, wherein said fifth support is oscillating about an axis substantially parallel to axes of the first embossing roller and the second embossing roller and of the first pressure roller and the second pressure roller. 14. The embossing unit as claimed in claim 3, wherein said fifth support is oscillating about an axis substantially parallel to axes of the first embossing roller and the second embossing roller and of the first pressure roller and the second pressure roller. 15. The embossing unit as claimed in claim 4, wherein said fifth support is oscillating about an axis substantially parallel to axes of the first embossing roller and the second embossing roller and of the first pressure roller and the second pressure roller. 16. The embossing unit as claimed in claim 5, wherein said fifth support is oscillating about an axis substantially parallel to axes of the first embossing roller and the second embossing roller and of the first pressure roller and the second pressure roller. 17. The embossing unit as claimed in claim 6, wherein said fifth support is oscillating about an axis substantially parallel to axes of the first embossing roller and the second embossing roller and of the first pressure roller and the second pressure roller. 18. The embossing unit as claimed in claim 1, wherein said fifth support comprises an oscillating arm, a first element, or alternatively said first element and a second element, being connectable to said oscillating arm, said two seats being defined by said oscillating arm and by said first element, or alternatively by said second element and by said first element, said second element being interposed between said arm and said first element. 19. The embossing unit as claimed in claim 2, wherein said fifth support comprises an oscillating arm, a first element, or alternatively said first element and a second element, being connectable t said oscillating arm, said two seats being defined by said oscillating arm and by said first element, or alternatively by said second element and by said first element, said second element being interposed between said arm and said first element. 20. The embossing unit as claimed in claim 3, wherein said fifth support comprises an oscillating arm, a first element, or alternatively said first element and a second element, being connectable to said oscillating arm, said two seats being defined by said oscillating arm and by said first element, or alternatively by said second element and by said first element, said second element being interposed between said arm and said first element. 21. The embossing unit as claimed in claim 4, wherein said fifth support comprises an oscillating arm, a first element, or alternatively said first element and a second element, being connectable to said oscillating arm, said two seats being defined by said oscillating arm and by said first element, or alternatively by said second element and by said first element, said second element being interposed between said arm and said first element. 22. The embossing unit as claimed in claim 5, wherein said fifth support comprises an oscillating arm, a first element, or alternatively said first element and a second element, being connectable to said oscillating arm, said two seats being defined by said oscillating arm and by said first element, or alternatively by said second element and by said first element, said second element being interposed between said arm and said first element. 23. The embossing unit as claimed in claim 6, wherein said fifth support comprises an oscillating arm, a first element, or alternatively said first element and a second element, being connectable to said oscillating arm, said two seats being defined by said oscillating arm and by said first element, or alternatively by said second element and by said first element, said second element being interposed between said arm and said first element. 24. The embossing unit as claimed in claim 1, further comprising a gluing unit which cooperates with said first embossing roller. 25. The embossing unit as claimed in claim 24, wherein said gluing unit is mounted on a movable carriage to be moved toward and away from the first support, the second support, the third support and the fourth support. 26. An embossing unit for embossing and joining at least two plies of web material, comprising in combination: a first support for a first embossing roller;a second support for a first pressure roller, said first pressure roller cooperating with said first embossing roller, said second support presenting two seats to receive and support the first pressure roller in two different positions with respect to said second support, wherein said first pressure roller cooperates with said first embossing roller in both of said two different positions;a third support, for a second embossing roller, said third support including a first pivot connection to a supporting structure and being structured to have at least two different operating positions;a fourth support for a second pressure roller structured to cooperate with said second embossing roller and to take at least an operating position and an idle position;a fifth support including a second pivot connection to said supporting structure and provided with a double seat to receive and support in two different positions alternatively a marrying roller co-acting with the first embossing roller or said second pressure roller cooperating with the second embossing roller.