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US 4,382,585 AGranted
Cooling plate for furnaces
AssigneeKabel- u. Metallwerke Gutehoffnungshutte AG
InventorsHorst Fischer, Hermann Bunemann, Bernhard Henneken, Bruno Kammerling
Life of this patent
Estimating the term…
Abstract
A copper or copper alloy ingot is forged or rolled into a plate; blind bores are deep-drilled into the plate from one of its narrow edges and plugged; inlet and outlet nipples for the ducts are provided on the rear surface; and the front surface of the plate is provided with grooves or short sleeves for holding a fireproof lining structure or material.
Claims16
A cooling plate for pit furnaces, such as blast furnaces, comprising:
- a quadrilateral, forged or rolled single-piece plate made of copper or a low-alloyed copper alloy and being of integral construction;
- deep-drilled blind bores, extending from one narrow side through the plate toward the opposite narrow side;
- and
- means on the plate for holding a fireproof material.
1 more element
A cooling plate for pit furnaces, such as blast furnaces, comprising:
- a quadrilateral, forged or rolled single-piece plate made of copper or of a low-alloywed copper alloy and being of integral construction;
- deep-drilled blind bores, extending from one narrow side through the plate, almost to the opposite narrow side;
- plug means for closing the bores;
- and
- duct means disposed to communicate from one of two wide, flat sides of the plates with the blind bores, near respective ends adjacent to two of said opposite plate sides as well as adjacent to the respective plug means.
2 more elements
The method of making a cooling plate, comprising the steps of
- rolling or forging a copper or copper alloy single-piece ingot into a quadrilateral single-piece plate of integral construction;
- deep-drilling long, blind bores into the plate, beginning from one small edge of the plate and extending almost to the opposite small edge;
- plugging the blind bores from their respective open end;
- and
- providing lateral inlet and outlet duct means for the bores in the plate and from one of its flat surfaces.
2 more elements
Dependencies are inferred from the claim text.