B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 47/40 (2006.01) B29C 47/60 (2006.01)
Patent
CA 2264807
A multiple-screw extruder in which paired screws, or segments thereof, contain unequal numbers of flights; and a screw for use in such extruder.
Extrudeuse à vis multiples dans laquelle des paires de vis, ou leurs segments, contiennent des nombres inégaux de pas; vis conçue pour être utilisée dans cette extrudeuse.
Busby Forest
Herring Ray A.
Jones Kathryn S.
Kirk Richard O.
Smart & Biggar
The Dow Chemical Company
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