Internal mixer

Details Internal mixer Internal mixer

1990-06-05

1991-10-29

Hornsby, Harvey C.

Agitating

Rubber or heavy plastic working

With specified feed means

91168, 92 52, 92 62, 92 86, 92117A, 100146, 366 77, 366 84, 366 97, 366191, 366291, 366297, 425201, 425203, 425209, B01F 702, B01F 1502

Patent

active

050610783

ABSTRACT:
Described herein is an internal mixer of the type including a mixing chamber rotatably accommodating mixing rotors therein, a hopper frame erected on the mixing chamber, a charge hopper provided on one lateral side of the hopper frame for charging a mixing material therethrough, and a floating weight provided in the hopper frame for upward and downward movements therein, the floating weight being held in an upper lifted position when charging a mixing material into the mixing chamber and then lowered into a pressing position in a mixing stage to apply pressure on the charged material in the mixing chamber, wherein the floating weight is dimensioned to have an axial length sufficient for closing an inlet opening formed in the side wall of the hopper frame in communication with the charge hopper, when in the lower pressing position, and lift means for lifting the floating weight up and down in the hopper frame is provided separately from a pressing means with a function of pressing the floating weight resiliently against the mixing material, the lift means being constituted by a hydraulic cylinder formed internally of the floating weight.

REFERENCES:
patent: 2351706 (1944-06-01), Robinson
patent: 2446657 (1948-08-01), MacLeod et al.
patent: 2680264 (1954-06-01), MacLeod
patent: 2813300 (1957-11-01), Hausman
patent: 2972774 (1961-02-01), MacLeod
patent: 2985909 (1961-05-01), Smith et al.
patent: 3302535 (1967-02-01), Procter et al.
patent: 3572645 (1971-03-01), Matsuoka
patent: 4830506 (1989-05-01), Borzenski
patent: 4877328 (1989-10-01), Muller et al.

Affiliated with

Also associated with

Rating

Internal mixer does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Internal mixer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Internal mixer will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1395983