A seating cushion for use as a seat bottom, back, headrest, arm or the like in a seating product. The seating cushion comprises an outer enclosure formed of a relatively durable and inert polymer and a resilient inner pad fitted within the enclosure. The outer enclosure is preformed of a three dimensional...http://www.google.es/patents/US6528002?utm_source=gb-gplus-sharePatente US6528002 - Preformed enclosure for a cushion
