Roller arrangement for embossing web-shaped materials

A roller arrangement for embossing a web-shaped material, comprising:

• a punch defining a first embossing pattern, wherein the first embossing pattern comprises a first plurality of elevations aligned in rows that are spaced apart in a circumferential direction;
• a matrix defining a second embossing pattern, wherein the second embossing pattern comprises a second plurality of elevations aligned in rows that are spaced apart in a circumferential direction;
• and
• a cleaning roller defining a plurality of cleaning elements that are aligned between the rows of one of the punch and the matrix.

A method for embossing web-shaped material comprising:

• rolling the web-shaped material over an embossing roller, the embossing roller defining a plurality of elevations in rows that are spaced apart in a circumferential direction;
• positioning a cleaning roller adjacent to the embossing roller, the cleaning roller defining a plurality of cleaning elements that are aligned between the rows of the embossing roller;
• and
• running the plurality of cleaning elements in between the rows of the embossing roller to remove sediment.