Pipe joints or couplings – With casing – lining or protector – Insulated
Patent
1981-09-25
1984-10-09
Callaghan, Thomas F.
Pipe joints or couplings
With casing, lining or protector
Insulated
138149, 285156, 285363, 285DIG12, F16L 5912
Patent
active
044757492
ABSTRACT:
A flange coupling for joining multi-layer apparatus sections or pipeline sections, in which corrosive and hot gases are handled, consists of an inner lining of glass which is resistant to thermal shock, or of quartz, which is surrounded by an outer metal jacket, the interspace between the outer jacket and the lining being packed with a heat-insulating material.
In the region of the ends of the lining, refractory bricks which surround the lining, support it but do not touch it over the entire surface are provided between the lining and the outer jacket; the lining, at one or both ends, does not terminate flush with the refractory bricks, and the refractory bricks surrounding the lining terminate at least substantially flush with the surrounding outer jacket, the two ends of which each merge into a flange coupling.
REFERENCES:
patent: 2419278 (1947-04-01), Motsenbocker, Jr.
patent: 2423213 (1947-07-01), Weber
patent: 2464487 (1949-03-01), Chappell et al.
patent: 3189371 (1965-06-01), Swan
patent: 3275345 (1966-09-01), Waldron et al.
patent: 3491171 (1970-01-01), French
patent: 3854756 (1974-12-01), Couch
patent: 4127286 (1978-11-01), Albertsen
Chem. Ing. Technik 43, (1971), pp. 1189-1195.
Appl Max
Peschau Gerhard
Pforr Gerhard
Stark Hans
Voelkl Erfried
BASF - Aktiengesellschaft
Callaghan Thomas F.
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