Kneader

Details Kneader Kneader

1986-08-26

1988-03-01

Jenkins, Robert W.

Agitating

Stirrer within stationary mixing chamber

Rotatable stirrer

277 3, 366 99, 366331, B01F 702

Patent

active

047281987

ABSTRACT:
A kneader includes a vessel having an upper cover, at least one mixing blade provided in the vessel for mixing or kneading a powder material supplied in the vessel, sealing means for sealing between the vessel and ends of a shaft of the mixing blade extending through the vessel, bearings for supporting the shaft of the mixing blade on both the sides, blade driving means provided at one end of the shaft of the mixing blade. Each of the sealing means is provided on a side of the vessel with at least one air purge opening through which air is caused to flow toward the shaft of the mixing blade or into an interior of the vessel to form the sealing means as an air sealing construction, thereby completely preventing the powder material to be mixed from leaking through clearances between the vessel and the shaft by jetting air from the air sealing construction into the vessel.

REFERENCES:
patent: 2193934 (1940-03-01), Moores
patent: 2576575 (1951-11-01), Collins
patent: 3643964 (1972-02-01), Snelling
patent: 3752446 (1973-08-01), Watanabe
patent: 4097926 (1978-06-01), Face

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