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Class Information
Number: 432/260
Name: Heating > Accessory means for holding, shielding or supporting work within furnace > For annular work (e.g., coil separator, etc.)
Description: Apparatus relying on the central passage in an annular body for the positioning in of the body.

Patents under this class:

Patent Number Title Of Patent Date Issued
8226885 Apparatus for bracing of sheet-metal joints in a high-temperature annealing furnace Jul. 24, 2012
7427375 Diffuser for an annealing furnace Sep. 23, 2008
6939131 Support for a part to be subjected to heat treatment in an oven, and a method of heat treating a metal part Sep. 6, 2005
6495094 Apparatus and method for suppressing growth of oxide film on coil Dec. 17, 2002
5961322 Water cooled inner cover for annealing furnace Oct. 5, 1999
5697778 Daisywheel convector plate for batch coil annealing furnace Dec. 16, 1997
5364266 Method and apparatus for increasing furnace capacity Nov. 15, 1994
5048802 Diffuser system for annealing furnace with chain reinforced, nodular iron convector plates Sep. 17, 1991
4793801 Method for retaining the configuration of an aperture formed through a coil Dec. 27, 1988
4725474 Batt of refractory material Feb. 16, 1988
4632369 Coil-annealing spacer Dec. 30, 1986
4611791 Diffuser system for annealing furnace with water cooled base Sep. 16, 1986
4516758 Diffuser system for annealing furnace May. 14, 1985
4445852 Diffusers May. 1, 1984
4423857 Spacer for batch coil annealing Jan. 3, 1984
4412815 Loading system for an annealing furnace charge and components therefor Nov. 1, 1983
4310302 Batch coil annealing furnace baseplate Jan. 12, 1982
4287940 Cooling apparatus for diffusers Sep. 8, 1981
4165868 Method and apparatus for heating coils of strip Aug. 28, 1979
4155706 Batch annealing furnaces May. 22, 1979
4079921 Apparatus and method for continuous treatment of metal coils or the like Mar. 21, 1978
3975145 Open coil heat shielding Aug. 17, 1976
3948595 Apparatus for the high temperature annealing of metallic coils Apr. 6, 1976
3939296 Annealing furnace base plate supports Feb. 17, 1976

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