Heating – Work chamber having heating means – Combustion products heat work by contact
Patent
1987-12-28
1989-06-27
Favors, Edward G.
Heating
Work chamber having heating means
Combustion products heat work by contact
432247, F27B 700
Patent
active
048425117
ABSTRACT:
A ring furnace having pits arranged in rows and sections with individual headwalls between adjacent pits in each row and flue sections separating adjacent pits in each section with the flue sections meeting end-to-end to provide a continuous flue on each side of a row of pits. The connection between adjacent flue section ends is adapted to provide for longitudinal expansion and contraction of each flue section, and is also adapted to provide a tight seal between connected flue ends without a need for using a sealing material at such connection.
REFERENCES:
patent: 4040778 (1977-08-01), Black
patent: 4687439 (1987-08-01), Olivarez, Jr. et al.
patent: 4744749 (1988-05-01), Dreyer et al.
Aluminum Company of America
Favors Edward G.
Sullivan Jr. Daniel A.
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