Chimney throat

Details Chimney throat Chimney throat

1979-04-06

1981-02-17

Capossela, Ronald C.

Furnaces

With fuel treatment means

Preliminary refuse treatment means

52218, 110184, 114187, 126120, F23L 1702

Patent

active

042508010

ABSTRACT:
A prefabricated metal throat, for a chimney, is assembled by simple interengagement of two identical elements of a first type with two identical elements of a second type to provide a principal body shaped as a truncated regular pyramid with a rectangular base. The elements of the first type have C-sections in planes parallel to the bases, and each forms a terminal face and two return angles of the throat. The elements of the second type join the return angles together for forming front and rear faces of the throat. The elements are cast in iron, and the second type are trapeziums in which the oblique sides are inclined to the base at an angle according to the size of the chimney, so that the horizontal parts of the C-sections do not exceed a length limit compatible with core-less moulding of the cast iron.

REFERENCES:
patent: 1677914 (1928-07-01), Covert
patent: 1712685 (1929-05-01), Blackburn
patent: 1755771 (1930-04-01), Chambers
patent: 2381178 (1945-08-01), Munyon
patent: 2752691 (1956-07-01), Bender
patent: 2926517 (1960-03-01), Simpson

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