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Class Information
Number: 266/125
Name: Metallurgical apparatus > Having means for contacting a solid metalliferous material or metal object with a liquid > With heating means, e.g., flame contact > By means heating selected areas of an object > By means specialized to heat an article having an irregular contour (e.g., cams, gears)
Description: Device wherein the heating means is particularized to effect heating selected areas on the surface of objects having a nonuniform or a discontinuous surface or profile.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5656106 |
Apparatus and method for net shape finishing of gears |
Aug. 12, 1997 |
| 5473960 |
Steering rack shaft and method of manufacturing the same |
Dec. 12, 1995 |
| 5414246 |
Apparatus for scaleless induction heating |
May. 9, 1995 |
| 5234201 |
Contour hardening apparatus |
Aug. 10, 1993 |
| 5221513 |
Apparatus and method for net shape finishing of gears |
Jun. 22, 1993 |
| 5213636 |
Method and apparatus of quench hardening of gear teeth surfaces |
May. 25, 1993 |
| 5157231 |
Apparatus for inductive hardening crankshafts with crank pins having a hollow ground radius |
Oct. 20, 1992 |
| 5134264 |
Device for the inductive heating of the inside of cylinder liners of reciprocating-piston engines for the purpose of hardening |
Jul. 28, 1992 |
| 5124517 |
Method of induction-hardening machine components |
Jun. 23, 1992 |
| 4894501 |
Method and apparatus for induction heating of gear teeth |
Jan. 16, 1990 |
| 4855556 |
Method and apparatus for hardening gears and similar workpieces |
Aug. 8, 1989 |
| 4855551 |
Method and apparatus for hardening gears |
Aug. 8, 1989 |
| 4845328 |
Apparatus for and method of induction-hardening machine components |
Jul. 4, 1989 |
| 4785147 |
System for hardening gears by induction heating |
Nov. 15, 1988 |
| 4757170 |
Method and apparatus for induction heating gears and similar workpieces |
Jul. 12, 1988 |
| 4675488 |
Method for hardening gears by induction heating |
Jun. 23, 1987 |
| 4618125 |
System for hardening camshafts |
Oct. 21, 1986 |
| 4572749 |
Method and an apparatus for heat treatment of a workpiece |
Feb. 25, 1986 |
| 4251705 |
Inductor for hardening gear teeth |
Feb. 17, 1981 |
| 4251704 |
Unit for induction heating and hardening gear teeth |
Feb. 17, 1981 |
| 4194728 |
Apparatus for the inductive hardening by quenching of bearing surfaces of a crankshaft |
Mar. 25, 1980 |
| 4123644 |
Device for inductively heating cylindrical surfaces |
Oct. 31, 1978 |
| 4100387 |
Apparatus for the inductive heating of workpieces especially for the heating of cam shafts |
Jul. 11, 1978 |
| 4057230 |
Die quench machine and method |
Nov. 8, 1977 |
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