Internal mixer

Details Internal mixer Internal mixer

1988-04-12

1989-10-31

Hornsby, Harvey C.

Agitating

Rubber or heavy plastic working

With specified feed means

366 77, 366 97, B01F 702, B01F 1502

Patent

active

048773280

ABSTRACT:
Internal mixer with hydraulic cylinders (31 to 34) that are symmetrically disposed about the charging hopper (2). The floating weight (20) is driven via a movable crosspiece (22) and a shaft (21) for the floating weight. A low overall construction of the internal mixer is achieved. In the mixing operation position of the floating weight (20), the upper piston chambers (41) communicate with a first pressure reservoir (64), and the lower piston chambers (42) communicate with a second pressure reservoir (78), so that the hydraulic actuating mechanism (30) effects a resilient retention of the pistons (40) and hence of the floating weight (20), which therefore can retreat resiliently in the mixing operation position relative to the material that is to be mixed.

REFERENCES:
patent: 1516488 (1924-11-01), Banbury
patent: 2972774 (1961-02-01), MacLeod
patent: 3038692 (1962-06-01), Holmes
patent: 3050002 (1962-08-01), Harris
patent: 3057008 (1962-10-01), Hartmann et al.
patent: 3363514 (1968-01-01), Ramcke
patent: 3695587 (1972-10-01), DeMarco

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