A papermaker's belt particularly suited for use as a forming fabric, the fabric being of biplanar construction with sets of upper and lower filling yarns interconnected by warp yarns extending between the upper and lower surfaces of the fabric, the fabric being characterized by diagonally disposed sets...http://www.google.com.au/patents/US4086941?utm_source=gb-gplus-sharePatent US4086941 - Biplanar papermaker's belt