Abstract: The subject matter of the invention is an embossing press, including an embossing roller and a counter cylinder, for producing embossed seams by joining at least two paper layers or fleece layers, arranged one above the other and conveyed in a straight line. For this, the embossed seams extend at a slant or at a right angle relative to the conveying direction of the paper layers or fleece layers. The embossing roller is provided with at least two rows of embossing teeth, arranged at a distance to each other, and the counter cylinder is designed as fluted roller, at least in the area effective for the embossing operation.

Abstract: A method for producing filter paper, in particular filter paper for preparing brewed beverages such as coffee or tea employs the steps of producing initially a noncrimped paper of high strength and subsequently rendering this paper capable of filtering through perforation and/or stamping or stamped perforation. The above method is advantageous in that a high production speed of the paper-manufacturing machine results since a crimping device (crimping cylinder, crimping scraper) is no longer required. Accordingly, the bottleneck caused by the crimping device speed is eliminated.

Abstract: A bag-shaped filter insert made of filter paper for preparing aromatic extracts of coffee or tea includes an upper region and an adjoining bottom region. The bottom region has a lesser permeability than the upper region.

Abstract: The subject matter of the invention is an embossing press, including an embossing roller and a counter cylinder, for producing embossed seams by joining at least two paper layers or fleece layers, arranged one above the other and conveyed in a straight line. For this, the embossed seams extend at a slant or at a right angle relative to the conveying direction of the paper layers or fleece layers.