LIPPENMESSER UND SCHNEIDEVORRICHTUNG.

摘要

PCT No. PCT/FR90/00884 Sec. 371 Date Jun. 12, 1992 Sec. 102(e) Date Jun. 12, 1992 PCT Filed Dec. 6, 1990 PCT Pub. No. WO91/09711 PCT Pub. Date Jul. 11, 1991.The invention relates to a circular knife (12) as well as a cutting device (11-15) for cutting materials into webs. The cutting device comprises at least one circular knife (12) arranged on a shaft (11) and characterized in that the circular knife is directly mounted on the shaft, the knife being maintained in the cutting position by means of two spacer rings (13) located on both sides of the knife. The knife is characterized in that, when it is mounted according to the present invention device, it exhibits a suitable flexibility, in order, when operating, to generate a pressure on a lower knife whose variations with respect to a mean value do not exceed 10% in absolute value.