An extruder die plate comprising die orifices is used to form filamentary strands of reconstituted tobacco. The die orifices are of a generally square or rectangular configuration, and the sides of the square or rectangle are concave. The orifices are arranged in one or more rows across the die face.
申请公布号
CA2553351(A1)
申请公布日期
2001.11.15
申请号
CA20012553351
申请日期
2001.05.08
申请人
BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED
发明人
PROWSE, ROY LESTER;LEWIS, WILLIAM DAVID;CONTI, HUMBERTO