Drying and gas or vapor contact with solids – Apparatus – Houses – kilns – and containers
Reexamination Certificate
2005-11-01
2005-11-01
Rinehart, Kenneth (Department: 3749)
Drying and gas or vapor contact with solids
Apparatus
Houses, kilns, and containers
C034S202000
Reexamination Certificate
active
06959502
ABSTRACT:
A drying furnace contains therein hot plates which are disposed in a plurality of stages in a vertical direction, on each of which is seated a platelike workpiece. A gateway for the workpiece is disposed on a front side of the drying furnace and is normally left open to face the plurality of stages of hot plates. A chamber casing is disposed on a rear side of the drying furnace. An exhaust chamber is defined in the chamber casing and has a flow dividing plate which has formed therein a plurality of ventilation holes each facing a gap between the plurality of stages of hot plates. The exhaust chamber is forcibly exhausted by an exhaust blower.
REFERENCES:
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patent: 4307286 (1981-12-01), Guibert
patent: 4455478 (1984-06-01), Guibert
patent: 5123178 (1992-06-01), Stein
patent: 6059196 (2000-05-01), Miyazaki et al.
patent: 03-079983 (1991-04-01), None
patent: 09-127330 (1997-05-01), None
Communication from Chinese Patent Office regarding counterpart application (and English translation thereof).
Nakamura Shin-ichi
Yamada Yoshiaki
Harness & Dickey & Pierce P.L.C.
Seiko Epson Corporation
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