Heat exchange – With coated – roughened or polished surface
Patent
1976-12-23
1979-01-16
Wolk, Morris O.
Heat exchange
With coated, roughened or polished surface
165180, 165DIG8, 138145, 427250, 422310, B01J 100, B28F 2102
Patent
active
041344510
ABSTRACT:
Impervious graphite tubes, rings and other chemical processing structures made from impervious graphite can be improved with respect to impact strength, safety, shock resistance, pressure capability and heat transfer capability by partially thermally degrading impervious graphite structures and coating the outer surfaces of the treated graphite structures with a layer of metal at an elevated temperature. Upon cooling, the structure is under compression and has the improved properties. Structures are claimed comprising metal armored, partially thermally degraded impervious graphite.
REFERENCES:
patent: 242471 (1881-06-01), Newton
patent: 1070995 (1913-08-01), Stern
patent: 2143156 (1939-01-01), Kennedy
patent: 3132979 (1964-05-01), Bickerdike
patent: 3265124 (1966-08-01), Reys
patent: 3417453 (1968-12-01), Clarke
patent: 3568723 (1971-03-01), Sowards
patent: 3968786 (1976-07-01), Spielberg
patent: 3980105 (1976-09-01), Myskowski
Impervious Graphite for Process Equipment Pts. 1 & 2, Schley, Chem. Engineering 2/18/74; 3/18/74 pp. 144-150; 102-110 respectively.
Graphite Heat Exchangers II-Hl1 pp. 116-119, Chemical Engineering 1/20/75.
Bolton Wilbur M.
Conant Louis A.
Wilson James E.
Lewis John T.
Marcus Michael S.
Wolk Morris O.
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