Pigment pre-blending mixhead attachment

Details Pigment pre-blending mixhead attachment Pigment pre-blending mixhead attachment

1981-03-11

1983-10-11

Hornsby, Harvey C.

Agitating

Having specified feed means

Agitation of material in feeder or supply reservoir

366168, 366171, 366339, B01F 1502

Patent

active

044088906

ABSTRACT:
An attachment to a dynamic mixhead allows pigment to be fully blended with a specified volumetric portion of a reactive polymer mix immediately prior to its passing through an in-line motionless mixer. The fully pigmented portion of the mix passes into the motionless mixer concurrently with the nonpigmented remainder of the polymer mix, each portion constituting a discrete stream and positioned in a manner facilitating rapid, improved blending. The pigment pre-blending attachment possesses particular utility for partial or incomplete blending applications, wherein striations of color are desired to impart a marbled effect.

REFERENCES:
patent: 1734747 (1929-11-01), Seeley
patent: 1777141 (1930-09-01), Howden
patent: 2161553 (1939-06-01), Westberg
patent: 2816518 (1957-12-01), Daggett
patent: 3286992 (1965-11-01), Armeniades et al.
patent: 3528131 (1970-09-01), Duggins
patent: 3800985 (1974-04-01), Grout et al.
patent: 3920223 (1975-11-01), Krueger

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