A fiber blending system includes an apparatus and method of forming a mat of cellulosic fibers and synthetic fibers, as well as a mat thereby formed. The method includes the steps of fiberizing cellulosic material into cellulosic fibers in a fiberizer, volumetrically metering a metered amount of synthetic...http://www.google.com.au/patents/US5316601?utm_source=gb-gplus-sharePatent US5316601 - Fiber blending system
