Patent ID: 6202947
Filing Date: 2001-03-20
Classification: B29B,B29C,B29K

Abstract:
A discharge device for discharging solids of a thermoplastic substance and fibers, comprising:a discharge passage longitudinally extending downward to a lower end thereof and becoming narrower in diameter toward the lower end, said discharge passage having an inner wall surface forming a passage opened at the lower end;a solid supply means for supplying the solids of the thermoplastic substances to a firs position in said passage; anda fiber supply means for supplying the fibers to a second position in said passage;a means for sensing upper and lower limits of a level of a top surface of material accumulated in said passage which controls the start and stop of both said solid supply means and said fiber supply means:wherein a cross line on which a part of said inner wall surface extending downward from an upper one of said first position and said second position intersects a vertical plane passing through the opened end of said passage from and angle of 0 to 30.degree. with respect to a vertical line, or all tangent lines for said cross line form angles from 0 to 30.degree. with respect to a vertical line.