Gated feed shoe

Details Gated feed shoe Gated feed shoe

2007-09-11

2007-09-11

Davis, Robert B. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Coacting shaping surfaces

C249S134000

Reexamination Certificate

active

10832559

ABSTRACT:
A feed shoe having at least one feed chamber with an open bottom portion and an open front portion whereat a gate is provided. The gate can be vertically adjustable and can have a lower edge defining a leading edge of the feed chamber, wherein the leading edge can have a flat, serrated, or rounded profile depending upon the type of feed material used. The gate, or a separate main gate adjacent the gate, can have a flat, curved, or V-shaped inner surface facing the feed chamber, wherein a lower portion of the inner surface can have a stepped profile which shears the material in the feed chamber in separate planes. The feed shoe can further include an attachment portion adapted for adjustably retaining an end of at least one material feed delivery member in communication with said at least one feed chamber.

REFERENCES:
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patent: 3029470 (1962-04-01), Frank
patent: 3397435 (1968-08-01), Jelesiewicz
patent: 3942923 (1976-03-01), Binion
patent: 4813818 (1989-03-01), Sanzone
patent: 5395227 (1995-03-01), Huggins, Sr. et al.
patent: 5885625 (1999-03-01), Beane et al.
patent: 6241935 (2001-06-01), Beane et al.
patent: H1983 (2001-08-01), Foster
patent: 6302675 (2001-10-01), Lienau
patent: 6475662 (2002-11-01), Spencer

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