Stock material or miscellaneous articles – Structurally defined web or sheet – Edge feature
Reexamination Certificate
2004-01-29
2008-12-02
Xu, Ling (Department: 1794)
Stock material or miscellaneous articles
Structurally defined web or sheet
Edge feature
C428S426000, C428S446000, C501S011000
Reexamination Certificate
active
07459199
ABSTRACT:
A furnace includes a section defined as a heating section capable of attaining a predetermined temperature, the heating section having an entrance end and an exit end; a section defined as a cooling section capable of having a temperature gradient from entrance end of the cooling section to exit end of the cooling section, the entrance end of the cooling section mounted in a fixed relationship to the exit end of the heating section; a section defined as an edge cooling section between the exit end of the heating section and the entrance end of the cooling section; and an edge cooling device positioned in the edge cooling section relative to a predetermined area, and capable of cooling at least selected peripheral portions of the predetermined area at a faster rate than center portions of the predetermined area.
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Alcorn Dennis H.
Frank Robert G.
Horcicak Steven M.
Skeen W. Jason
PPG Industries Ohio Inc.
Siminerio Andrew C.
Xu Ling
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