Method for the dry forming of fibrous pads employ a pad forming member closing the lower end of a pad forming area. The pad forming member preferably is in the form of a condenser roll having three-dimensional pockets, or cavities about the periphery thereof. Each cavity includes an opening into it,...http://www.google.de/patents/US3939240?utm_source=gb-gplus-sharePatent US3939240 - Method for forming fibrous pads
