Apparatus for continuously feeding powders

Details Apparatus for continuously feeding powders Apparatus for continuously feeding powders

1981-01-30

1982-09-14

Thurlow, Jeffery R.

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Feed control of material en route to shaping area

264105, 264122, 264127, 425 79, 425225, 425296, 425363, B29B 504

Patent

active

043493238

ABSTRACT:
A hopper-feeder (10) especially suited for, but not limited to, continuously feeding self adhering powders to a subsequent processing step is disclosed. In particular, the apparatus includes a first hopper (12), an intermediate passageway (16), a second hopper (18) and a feed guide (20). A wiper (32), a bottle brush auger (34) and an associated auger cleaning rod (36) expedite powder flow. Shear blades (40), disposed within the second hopper (18), further break up any undesirable particles before exiting the apparatus (10).

REFERENCES:
patent: 1083275 (1914-01-01), Eberhard
patent: 2534291 (1950-12-01), Moss
patent: 2568332 (1951-09-01), Genovese
patent: 3039137 (1962-06-01), Smith et al.
patent: 3242530 (1966-03-01), Hirsch et al.
patent: 3894024 (1975-07-01), Cherenko et al.
patent: 4038063 (1977-07-01), Williams et al.
patent: 4129633 (1978-12-01), Biddick
patent: 4290988 (1981-09-01), Nopper et al.
Exhibit A--Prior Art Feed Device (Photograph).
Exhibit B--Partial Flow Chart Schematic of Exhibit A.

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