Metal working – Method of mechanical manufacture – Converting
Patent
1976-03-19
1977-11-29
DiPalma, Victor A.
Metal working
Method of mechanical manufacture
Converting
29401E, 202138, 202139, 202267R, 110 1A, B23P 700
Patent
active
040598853
ABSTRACT:
A damaged part of a coke oven such as a heating wall is restored by selecting masonry bridging material with an essentially low thermal expansion property to close the heating flue and support the heating wall. The selected masonry bridging material may take the form of bridging bricks or castable concrete material. Such masonry bridging material is arranged to close and support the existing masonry which is to remain as part of the heating wall for continued use. The masonry bridging material forms flat connecting surfaces used to provide lateral expansion joints which are aligned from course-to-course. The expansion joint compensates for length changes of the renewed part of the heating wall formed by stretcher bricks having the usual relatively high thermal expansion property. The masonry bridging material reforms an internal crosswall that defines part of a heating flue chamber within a heating wall.
REFERENCES:
patent: 1430027 (1922-09-01), Plantinga
patent: 1760770 (1930-05-01), Otto
patent: 2665242 (1954-01-01), Otto
patent: 2705414 (1955-04-01), Rose
patent: 3102846 (1963-09-01), Tucker, Jr.
patent: 3359184 (1967-12-01), Thiersch et al.
Crane Daniel C.
DiPalma Victor A.
Dr. C. Otto & Comp. G.m.b.H.
Murray Thomas H.
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