B - Operations – Transporting – 29 – B
Patent
B - Operations, Transporting
29
B
18/1211, 259/43
B29B 13/02 (2006.01) B01F 7/00 (2006.01) B29C 47/10 (2006.01) B29C 47/52 (2006.01) B01F 5/00 (2006.01)
Patent
CA 1111225
Abstract of the Disclosure Method and apparatus for processing solid and viscous plastic materialor polymeric material and the like in which plastic or polymeric material is fed through an inlet into an enclosed passage of which opposed side walls are moving simultaneously toward an outlet and the material is processed and dragged forward by the moving side walls against a channel block and with progressive build up of pressure along said passage for discharging the processed material through the outlet form the enclosed passage. Rotary apparatus for practicing the method includes one or more annular channels having opposed side walls and carried by a driven rotor member for movement relative to a housing of which an annular surface coaxial with the rotor cooper-ates with the walls of the channel or channels to form an enclosed annular passage or enclosed annular passages. An inlet for feeding the plastic or polymeric material into each annular passage extends through the housing and an outlet for discharge of material from each passage is disposed circumfer-entially a major portion of a complete revolution from the inlet. A channel block supported by the housing projects into each channel to hold the plastic or polymeric material for relative movement with respect to the channel side walls and to wipe or scrape the side walls moving past it, and is located between the outlet and the inlet to each annular passage.
282341
Swabey Ogilvy Renault
Tadmor Zehev
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