Method for mixing colorant with a viscous material

Details Method for mixing colorant with a viscous material Method for mixing colorant with a viscous material

2005-05-28

2008-08-05

Sorkin, David L (Department: 1797)

Agitating

Stirrer within stationary mixing chamber

Mounted in removable mixing chamber closure

C366S251000

Reexamination Certificate

active

07407321

ABSTRACT:
A mixing apparatus having a blade mixer affixed to the end of a mixer shaft which is rotatably or non-rotatably, but slidably mounted thru a mixer seal member which is adapted to be brought into sealing engagement with the open filler end of a retail tube of viscous caulking compound, wherein the shaft and mixer are adapted to be reciprocated thru the viscous compound contained in the tube substantially the entire length of the tube to rapidly and intimately mix the compound with colorant injected thereinto directly in the retail tube.

REFERENCES:
patent: 2831606 (1958-04-01), Alters
patent: 3514080 (1970-05-01), Price et al.
patent: 3606094 (1971-09-01), Mills et al.
patent: 3858853 (1975-01-01), Rausch et al.
patent: 4090612 (1978-05-01), Lostutter
patent: 4735509 (1988-04-01), Rausch
patent: 5044758 (1991-09-01), Kurtz
patent: 6302575 (2001-10-01), Anderson et al.
patent: 6910799 (2005-06-01), Renfro
patent: 7070318 (2006-07-01), Renfro
patent: 2002/0036952 (2002-03-01), Anderson et al.

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