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Class 219/606 - Ring


Subclass of Class 219 - Electric heating
Definition: Subject matter wherein a circular band is bonded to a conductor.
No. of patents: 15
Last issue date: 08/26/2008


NumberTitleIssue Date
7417209Recording disk drive with reduced noise thermal flyheight control
A system and method for preventing crosstalk noise from being superimposed on a read signal due to noise from a heater line for a slider in a recording disk drive is disclosed. A heater line pair to the slider is not grounded but is in a floating state with respect ...
08/26/2008
7412757Dove-tail sizing stock with solder pockets
The Dove-Tail Sizing Stock with Solder Pockets includes the technique of increasing or reducing the size of a circular object, such as a finger ring. The sizing stock includes dovetail shaped ends with pockets of solder on each end. The solder that is inserted into ...
08/19/2008
7015434Method of joining together magnetic and nonmagnetic materials
A method whereby magnetic and nonmagnetic materials can be joined together firmly and having their joining areas freed from embrittlement and with a minimum of deformation is disclosed. Applied to the process of fitting a ring of nonmagnetic material into an annular...
03/21/2006
6875964Apparatus for electromagnetic forming, joining and welding
There is disclosed herein an apparatus for electromagnetic forming, joining or welding a workpiece, the apparatus including at least two multi-turn solenoid coils wound in a manner that cooperatively encircles the workpiece to be formed. The apparatus also includes ...
04/05/2005
4791259Method and apparatus for retaining a valve seat insert
A method of heat treating a valve seat insert and the resultant combination of the valve seat insert within an engine component is disclosed where the volumetric increase of a portion of the valve seat insert resulting from the heat treatment is utilized ...
12/13/1988
4336432Induction hardening of valve seat inserts
An induction heating process for hardening a metal insert retained in a recess formed in a second component comprises the steps of fitting the insert in place within the recess by an interference fit, machining the interior surface of the insert, locating...
06/22/1982
4332997Apparatus for delivery of valves and melting rings to an inductor heater for hard facing
An apparatus for delivering valves and melting rings for internal combustion engines to an inductor heater for hard facing comprises a tubular body which is adjoined by gravity feed trays, for feeding the work valves and rings to be melted respectively. A...
06/01/1982
4292486Apparatus for delivery of melting rings and valves to an inductor heater
An apparatus for delivery of melting rings and valves to an inductor heater, for hard facing of valves for internal combustion engines by melting rings of heat-resistant alloy upon the working surfaces of valves, comprises gravity feed trays, one for feed...
09/29/1981
4214139Apparatus for surfacing internal combustion engines valves
An apparatus for surfacing valves by fusing in a high-frequency current field refractory alloy rings applied to the seating surfaces of the valves. The apparatus comprises a tubular body provided with chutes adjoining thereto. The chutes are adapted respe...
07/22/1980
4144432Apparatus for surfacing valves for internal combustion engines
Surfacing is realized by fusing refractory alloy rings on the effective areas of valves. The apparatus comprises: a heater, a valve clamping device and a manipulator adapted to receive and to convey a valve with a ring on the stem thereof to the heater zo...
03/13/1979
4116375Apparatus for hard facing of valves for internal combustion engines
An apparatus is designed for hard-facing internal combustion engines valves by the melting and fusion in high-frequency current field of heat-resistant rings of hard alloy upon the seating surface of the valves. The apparatus comprises an actuator means m...
09/26/1978
4112564Method of making a composite roller
The composite roller of the invention comprises a ring of near-resistant material encircling a holding member which latter has an inner portion and two radial flanges between which said ring is axially fixed. Said flanges have grooves at those portions wh...
09/12/1978
4082935Apparatus and method for making wheel rim blanks and the like
Wheel rim blank manufacturing apparatus comprises an elongated mandrel passing through Coiling, Welding and Machining Stations. Flat stock is fed transversely for coiling to cylindrical rim blanks about the mandrel. A transfer slide advances and maintains...
04/04/1978
4024617Method of applying a refractory coating to metal substrate
A method of applying a refractory coating or facing to a ferrous metal substrate that is in the form of a finished article, such as that of a piston seal or the like, and that has sections of such small dimensions as to be easily distorted by heat. The me...
05/24/1977
3961149Apparatus for application of bearing material
Bearing material, such as an aluminum alloy, is applied and bonded to the support surface by heating the surface to 500 to 700 degrees Fahrenheit, applying the bearing material in sheet form to the surface at one edge thereof, and spreading the material a...
06/01/1976
 
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