A there-dimensional shaped bedding comprising a confining member and a covering member is disclosed. The confining member encloses a predefined plane. The covering member is connected with the confining member in such a way that the predefined plane is situated on one side of the covering member. The...http://www.google.es/patents/US20070180615?utm_source=gb-gplus-sharePatente US20070180615 - Three-dimensional shaped bedding
