| 摘要 |
PCT No. PCT/DK93/00233 Sec. 371 Date Jan. 11, 1996 Sec. 102(e) Date Jan. 11, 1996 PCT Filed Jul. 7, 1993 PCT Pub. No. WO95/01726 PCT Pub. Date Jan. 19, 1995A coextruding extruder, for foodstuffs such as pastes and stuffing, comprising an extruder mantle (1), a rotatable worm member received within said mantle and an extruder head, said worm member having an axis of rotation and comprising a plurality of flights corresponding to the number of materials to be coextruded, said flights being arranged coaxially and successively with a common forward direction of transport of the materials to be coextruded, a first flight (9) of said plurality of flights behind a second flight (8) of said plurality of flight, an opening (29) on said worm member between said first flight (9) and said second flight (8), said first flight (9) communicating through said opening (29) with a duct (22) extending forward and arranged within said second flight and an axially displaceable reversal member being provided in a flight of said plurality of flights for controlled rerouting of material forwarded by said flight. |
