Agitating – Rubber or heavy plastic working – Stirrer is through-pass screw conveyor
Patent
1985-11-29
1987-10-06
Simone, Timothy F.
Agitating
Rubber or heavy plastic working
Stirrer is through-pass screw conveyor
366 82, 366 90, 366312, 366322, 425208, 425209, B01F 708, B29B 106
Patent
active
046979280
ABSTRACT:
A helically moving fluid body leaving an extruder screw and brought into contact with rotating shearing means, undergoes laminar displacement, is then guided through a stationary sleeve along undulating linear paths of travel of relatively short axial length, and thereafter undergoes further laminar displacement and discharges into a die.
During movement of the fluid mixture along the undulating linear paths of travel subdivision and blending of substantially all of the material in the fluid body, which is not in a fluid state, takes place. Thereupon the blended mixture is advanced to a die member at a desired fluidity and temperature in response to die requirements. Heating of the barrel is significantly reduced and energy conservation of an appreciable nature is achieved.
In carrying out mixing as noted above there is employed a modular mixing apparatus constructed with multiple processing means suitable for shearing, kneading, flow diverting, dispersing, blending and the like. The multiple processing means includes a basic component assembly with which other components may be employed interchangeably to deal with varying types of fluid or plastic bodies wherein solid material may be present.
REFERENCES:
patent: 3102717 (1963-09-01), Frenkel
patent: 3239882 (1966-03-01), Yokana
patent: 3942773 (1976-03-01), Csongor
patent: 3977658 (1976-08-01), Wittrock et al.
patent: 4003521 (1977-01-01), Hess
patent: 4128342 (1978-12-01), Renk
patent: 4155655 (1979-05-01), Chiselko et al.
patent: 4253771 (1981-03-01), Renk
patent: 4330215 (1982-05-01), Gale
Gale, G. M., New Techniques for Polyolefin Extrusion Using Carbon Black Masterbatch and Liquid Colours, 1980, ANTEC, pp. 60-70, Rubber and Plastics Research Association, Shawbury, Shrewsbury, England.
Northern Lights Trust of February 14, 1978
Simone Timothy F.
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