Seals for rotary processor

Details Seals for rotary processor Seals for rotary processor

1980-07-31

1981-11-17

Coe, Philip R.

Agitating

Rubber or heavy plastic working

Stationary mixing chamber

366315, 415170R, 4253812, B01F 710

Patent

active

043008429

ABSTRACT:
Sealing means for controlling leakage of material between closely spaced apart, relatively moving coaxial annular surfaces. Essentially, leakage is controlled by providing a plurality of helical sealing channels on one of the relatively moving surfaces to resist flow of leakage liquid between the surfaces. The sealing means are particularly adaptable for controlling leakage from processing passages of rotary processing apparatus.

REFERENCES:
patent: 3829270 (1974-08-01), DeBonth et al.
patent: 4046388 (1977-09-01), Meyer
patent: 4142805 (1979-03-01), Tadmor
Advances in Dynamic Seal Technology, by Otto Decker; published by A.S.M.E. 3-29-67.

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