Agitating – Rubber or heavy plastic working – With specified vent means
Patent
1978-04-20
1980-03-25
Hornsby, Harvey C.
Agitating
Rubber or heavy plastic working
With specified vent means
366 91, 366 97, 366263, 366293, 366305, 366307, 366315, 72262, 425224, 425374, B01F 512, B01F 710
Patent
active
041948416
ABSTRACT:
Method and apparatus for processing solid and viscous plastic material or 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 wall against a channel block and with progressive build up of pressure along said passage for discharging the processed material through the outlet from the enclosed passage. Rotary apparatus for practicing the method includes one or more annular channels having opposed side walls and carried by a drive rotor member for movement relative to a housing of which an annular surface coaxial with the rotor cooperates 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 circumferentially 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.
REFERENCES:
patent: 3308510 (1967-03-01), Gabbrielli
patent: 3371912 (1978-03-01), Samler et al.
patent: 3765216 (1973-10-01), Green
patent: 4041745 (1977-08-01), Moreau
patent: 4044587 (1977-08-01), Green et al.
patent: 4055979 (1967-11-01), Hunter et al.
patent: 4106320 (1978-08-01), Pardoe et al.
Hornsby Harvey C.
Megley Richard B.
Morley John P.
Simone Timothy F.
White Vincent A.
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