Plastic article or earthenware shaping or treating: apparatus – With means applying coating material to work or work contact... – To work downstream of shaping means
Patent
1994-01-28
1995-05-16
Nguyen, Khanh
Plastic article or earthenware shaping or treating: apparatus
With means applying coating material to work or work contact...
To work downstream of shaping means
425 99, 425100, 425150, 425375, 425381, 425461, 118 14, 118 24, 118 25, A23L 148
Patent
active
054155347
ABSTRACT:
An apparatus for production of a layered extruded article has an extrusion nozzle positioned for extruding an extrudable composition in a vertical downward direction. The nozzle has a fixed upper part, a joint member and a lower mobile part having a slot extrusion die. The joint member connects the upper and lower parts so that the lower part is rotatable about a central vertical axis of the lower part so that upon rotation of the lower part and extrusion of the extrudable composition, a helical ribbon is formed. A spray nozzle is positioned for spraying a sprayable composition into the passage of the helical ribbon between helical peak flights, and a support, which may be advanced continuously or step-by-step, is positioned beneath the extrusion and spray nozzles for receiving the sprayed, extruded composition.
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Bertrand Francis-Victor
Daouse Alain
Plessier Alain
Nestec S.A.
Nguyen Khanh
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