Patent ID: 7377089

Claim:
A filter paper pod packaging machine comprising a polygonal prismatic wheel with a horizontal axis for intermittently rotating the wheel, each flat face of the prismatic wheel directly incorporating at least one recess matching a size and shape of pods to be produced, wherein a first web of filter paper, fed from a spool and overlaid by a second web of filter paper fed from another spool is wrapped around the flat faces of the polygonal prismatic wheel, and wherein a series of cuts are made by a cutting device in the first web of filter paper in positions around a central zone corresponding to the at least one recess impressed in the prismatic wheel and wherein a forming punch is applied on the web in the central zone surrounded by the cuts to mold the web to a shape of the at least one recess, said molding of the filter paper being optimized by the presence of cuts which flare out to facilitate the formation of a depression in the filter paper web by action of the forming punch, while a peripheral zone of the filter paper remains flat and adherent to the face of the prismatic wheel.