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Class Information
Number: 219/642
Name: Electric heating > Inductive heating > Specific heating application > Ring or link
Description: Subject matter wherein the heating is applied to a circular band or a series of circular bands that are interlocked together.

Patents under this class:

Patent Number Title Of Patent Date Issued
8425961 Method, apparatus and mold for producing a confectionery product Apr. 23, 2013
8091239 Method for the production of a bearing ring for large-size rolling bearings Jan. 10, 2012
7146735 Method of making a bearing ring for a large roller bearing Dec. 12, 2006
7022951 Induction heating work coil Apr. 4, 2006
RE36787 High power induction work coil for small strip susceptors Jul. 25, 2000
5373144 Improvements in induction heating device Dec. 13, 1994
5313037 High power induction work coil for small strip susceptors May. 17, 1994
5310975 Method and apparatus for the continuous field annealing of amorphous metal transformer cores May. 10, 1994
5248865 Apparatus for induction heating of bearings or the like Sep. 28, 1993
5026956 Inductively heated ring puller Jun. 25, 1991
5023419 Device for the induction heating of a workpiece Jun. 11, 1991
4673785 Automatic apparatus for induction hardening Jun. 16, 1987
4649248 Annealing furnace for annealing magnetic cores in a magnetic field Mar. 10, 1987
4568809 Method for the induction melting of a charge blank Feb. 4, 1986
4330911 Process for production of an object consisting of at least two parts movable relative to each other, one of which is substantially enclosed within the other May. 25, 1982
4311896 Heating apparatus for annular bearings and rings Jan. 19, 1982
4247972 Method of manufacturing a piston ring Feb. 3, 1981

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