Dryer wall cap system

Drying and gas or vapor contact with solids – Apparatus – Rotary drums or receptacles

Reexamination Certificate

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Details

C034S603000, C034S235000

Reexamination Certificate

active

06951063

ABSTRACT:
An intermediate assembly has a vertical plate with an orifice. The intermediate assembly also has a first and a second side wall and a top and a bottom wall. The walls extend rearwardly from the orifice with a rear wall. The walls are joined and form a generally rectilinear chamber. A lip has a planar surface parallel with the vertical plate with an intermediate surface coupling the planar surface of the lip and the vertical plate of the intermediate assembly. The lip forms an orifice essentially coextensive with the orifice of the intermediate assembly. The lip has an upper edge and a lower edge. Between the upper and lower edges are a first side edge and a second side edge. The edges of the lip each have a large radius of curvature. A circular air hole with a large diameter is located in the top wall. The intermediate member and lip are integrally fabricated.

REFERENCES:
patent: 3892049 (1975-07-01), Adams, Jr.
patent: 5121948 (1992-06-01), Anderson et al.
patent: 5287665 (1994-02-01), Rath, Jr.
patent: 5590477 (1997-01-01), Carfagno, Sr.
patent: 6230418 (2001-05-01), Gomulinski
patent: 6419102 (2002-07-01), Harpenau

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