Patent ID: 7152514
Filing Date: 2006-12-26
Classification: D01G,Y10S,Y10T

Abstract:
1. A chopper comprising a backup roll for contacting and pulling wet fiber and strands containing 400 to 6,000 wet fibers at a speed of 2000 to 10,000 feet per minute and for chopping the fiber and fiber strands, the chopper comprising a blade roll comprising a plurality of blades spaced apart from about ⅛ th inch up to 3 inches that work against a peripheral surface of a back up roll on the chopper to chop the fiber and fiber strands and a cover guard for said blade roll and said back up roll, the improvement comprising a generally vertical deflector plate having an upper edge extending along an entire width of the back up roll, said deflector plate mounted such that during chopping said upper edge is within about one-quarter inch from the peripheral surface of said back up roll, said deflector plate being adjustable to maintain said upper edge within one-quarter inch from the peripheral surface of said back up roll and such that one surface of said deflector plate is above a chopped product chute located in a path of said chopped fiber and chopped fiber strands.