Dryer with insulating flights

Details Dryer with insulating flights Dryer with insulating flights

2005-04-26

2005-04-26

Gravini, Stephen (Department: 3749)

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

C034S135000, C366S025000, C432S103000

Reexamination Certificate

active

06883249

ABSTRACT:
An insulating flight for a dryer incorporates inner and outer plates with insulation between them. The concave surfaces of the inner and outer plates provide a space for the insulation and allow for thermal expansion without stressing the welds between the inner and outer plates.

REFERENCES:
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patent: 4447205 (1984-05-01), Smith
patent: 5295821 (1994-03-01), Daukss
patent: 5515620 (1996-05-01), Butler
patent: 5664882 (1997-09-01), Green et al.

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