Metallurgical apparatus – Means for treating ores or for extracting metals – By means applying heat to work – e.g. – furnace
Reexamination Certificate
2007-04-17
2007-04-17
Kastler, Scott (Department: 1742)
Metallurgical apparatus
Means for treating ores or for extracting metals
By means applying heat to work, e.g., furnace
C266S194000
Reexamination Certificate
active
11112762
ABSTRACT:
A cooling plate (1) made of copper or a copper alloy for blast furnaces has a plurality of bore holes (6) for accommodating a cooling medium. The bore holes (6) are connected to a cooling medium intake (12) and a cooling medium outlet via connecting pipes (9) that are welded onto the cold side of the plate (5). Connecting pipes (9), at their plate ends (14), are furnished with flanges (15) that are formed by being flanged open. These flanges (15) are set into recesses (17) in the cold side of the plate (5), and are welded at their circumference by V seams (19) to the cold side of the plate (5).
REFERENCES:
patent: 4157816 (1979-06-01), Legille
patent: 4181294 (1980-01-01), White, Jr.
patent: 2005/0218569 (2005-10-01), Stastny et al.
patent: 0 951 371 (1999-10-01), None
patent: WO2004/018713 (2004-03-01), None
Böert Frank
Dratner Christof
Hintemann Reinhard
Keiser Franz
Wobker Hans-Günter
Kastler Scott
KM Europa Metal Aktiengesellschaft
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