Agitating – Rubber or heavy plastic working – Stationary mixing chamber
Patent
1982-01-04
1983-06-21
Coe, Philip R.
Agitating
Rubber or heavy plastic working
Stationary mixing chamber
366307, 366315, 415 90, 415102, 425224, 425466, B01F 702, B01F 710, B29B 106
Patent
active
043891195
ABSTRACT:
Novel, improved rotary processors which include a rotatable element carrying a plurality of annular channels and a stationary element providing a coaxial, closure surface operationally arranged with the channels to provide enclosed processing passages. The so-formed plurality of processing passages provide a highly efficient processing stage particularly for melting polymer material. Each processing passage of the processing stage includes inlet means, outlet means and a channel member associated with the stationary element and arranged and adapted so that material fed to the inlet can be carried forward by the rotatable channel walls to the blocking member for discharge from the passage.
In rotary processors of this invention the clearance between the rotary surface carrying the channels and the stationary coaxial closure surface is relatively wide and permits substantial amounts of material to be interchanged between passages of the processing stage. The interchange provides especially efficient, intensive mixing for material processed in the stage. Also, the interchanged material which passes through the relatively wide clearance can be subjected to conditions of high shear and high temperatures.
REFERENCES:
patent: 4194841 (1980-03-01), Tadmor
patent: 4213709 (1980-07-01), Valsamis
patent: 4227816 (1980-10-01), Hold et al.
patent: 4255059 (1981-03-01), Hold et al.
patent: 4300842 (1981-11-01), Hold et al.
patent: 4329065 (1982-05-01), Hold et al.
Tadmor Zehev
Valsamis Lefteris N.
Coe Philip R.
Morley John P.
Simone Timothy F.
USM Corporation
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