Class 148/574 - And cooling with fluid contact

Subclass of Class 148 - Metal treatment
Definition: Process which includes a step of cooling the metal or metal
No. of patents: 23
Last issue date: 12/12/2006

Number	Title	Issue Date
7147731	Flanged parts producing method, and heat-treating device and heat treating method therefor A spacer 44 is inserted between an upper end face 44a of a contact column 40, and a lower face of a flange 14. The flange 14 is supported at plural positions by supporting columns 42. In heating a shoulder portion ...	12/12/2006
6821363	Procedure for hardening at least one surface of a wall of a component and device for its execution A procedure for hardening at least one surface (S, L) of a wall (W) of a component (T), in which the surface to be hardened (S, L) is inductively heated with at least one inductor (2), in which liquid is filled into a gap (P) between the surface to be hardene...	11/23/2004
6765181	Inductor assembly An apparatus and process are provided for induction heat treatment of electrically conductive workpieces. The inductor assembly is formed from a single piece inductor that utilizes an electrically non-conductive top, side and bottom frames to hold flux concentrators...	07/20/2004
6743309	Method and apparatus for casting, hot rolling and annealing non-heat treatment aluminum alloys This invention provides a method and apparatus for casting, hot rolling and annealing of non-heat treatable aluminum alloys which comprises continuously casting, hot rolling and, in-line with the hot rolling line, heating the aluminum sheet using infrared heat. The ...	06/01/2004
6582586	Method of removing scales and preventing scale formation on metal materials and apparatus therefor Suppression and removal of scales are efficiently carried out in a steel material hot rolling process and the time of pickling treatment as a successive step is greatly shortened. In a water cooling step of metallic material 11 at a temperature of 100° t...	06/24/2003
6506269	High-strength and high-conductivity Cu-(Ni, Co, Fe)-Si copper alloy for use in leadframes and method of making the same A high-strength and high-conductivity copper alloy is disclosed which contains essentially of: (a) from 0.5 to 2.5 wt % of Ni; (b) from 0.5 to 2.5 wt % of Co; (c) from 0.5 to 0.8 wt % of Si; (d) from 0.05 to 0.15 wt % of either Mg or P or both; and (e) th...	01/14/2003
6264765	Method and apparatus for casting, hot rolling and annealing non-heat treatment aluminum alloys This invention provides a method and apparatus for casting, hot rolling and annealing of non-heat treatable aluminum alloys which comprises continuously casting, hot rolling, and, in-line with the hot rolling line, inductively heating the aluminum sheet. ...	07/24/2001
6030471	Method for producing a hardened wheel A specialized induction facility provides localized heating in only the desired wear areas of a crane wheel while leaving the supporting material "as-forged" and ductile. The wear area of a crane wheel is hardened such that flanges extending out from a wo...	02/29/2000
5911844	Method for forming a metallic material A method for drawing a portion of metallic material having a known hardness. The method includes the step of applying a localized heat treatment to predetermined portions of the metallic material. Additionally, the method comprises forming the localized h...	06/15/1999
5900081	Computerized method for forging, quenching and tempering metal A CNC method for forging, quenching and tempering a metal material is composed of an automatic process of feeding a metal material, which is uniformly heated at a temperature of 1000° C. for about one minute by an induction coil and is subsequently forge...	05/04/1999
5528019	High frequency induction heating method for rocker arms Disclosed is a high-frequency heating apparatus including an elongated chamber in which a plurality of rocker arms are introduced, each of the rocker arms being attached with a chip and brazing filler such as a copper wax, a high-frequency brazing coil fo...	06/18/1996
5444221	High-frequency induction heating apparatus for rocker arms Disclosed is a high-frequency heating apparatus including an elongated chamber in which a plurality of rocker arms are introduced, each of the rocker arms being attached with a chip and brazing filler such as a copper wax, a high-frequency brazing coil fo...	08/22/1995
5433800	Scanning induction hardening A scanning induction hardening process in which a steel workpiece is surface hardened by progressively traversing its length with an inductor coil energized by an alternating electric current and immediately thereafter quenching the heated portion of the ...	07/18/1995
5264053	Production method for a vehicular endless track bushing A production method for an endless track bushing wherein high-carbon low-alloy steel is selected as a bushing material, the bushing material is quench-hardened without pre-carburizing the bushing material, and then tempered. In the quench-hardening, the b...	11/23/1993
5218178	Method of and apparatus for internal heating of solid bodies using electromagnetic induction Method and apparatus for internally heating solid bodies using electromagnetic induction. The method comprises generating an electromagnetic induction field and causing it to induce the flow of an electric current in a preselected portion of a solid body ...	06/08/1993
5213636	Method and apparatus of quench hardening of gear teeth surfaces A method for induction heating and quench hardening of helical gears provides a hardness pattern uniformly distributed to a controlled depth across and between the teeth surfaces by means of axial scanning of the workpiece and uniform quenching. Uniform q...	05/25/1993
4743309	Method for zone heat treatment of a metallic workpiece A method for zone heat treatment of metallic workpiece with a comparatively large cross-section, in which the workpiece is successively passed through a zone of higher temperature in such a way that the temperature of the workpiece initially rises steeply...	05/10/1988
4711675	Process for improving the sag-resistance and hardenability of a spring steel A spring steel having a good sag-resistance and a good hardenability comprises by weight 0.5-0.8% carbon, 1.5-2.5% silicon, 1.6-2.5% manganese and a member or members selected from a group consisting of 0.05-0.5% vanadium, 0.05-0.5 niobium and 0.05-0.5% m...	12/08/1987
4531036	Apparatus and method for inductively hardening small bores A method and apparatus for hardening a small internal passage in a workpiece wherein the workpiece is indexed into coaxial alignment between axially spaced inductor coils and an actuator telescopically inserts a magnetically permeable flux concentrating r...	07/23/1985
4428782	Production of aluminium alloy strip In the heat treatment of aluminium alloy strip, in which hardening of the material is effected by heat treatment to dissolve pre-existing precipitates in the metal matrix followed by quenching and ageing, the electrical conductance of the strip after quen...	01/31/1984
4321097	Blade fabricating process A process and apparatus for cleanly and efficiently fabricating winged lawn mower blades from unfinished milled blade blanks. The unfinished blades are positioned in a magazine and fed one after the other to a heating station where they are inductively he...	03/23/1982
3988179	Method and apparatus for inductively heating elongated workpieces There is provided a method and apparatus for inductively heating elongated workpieces having a central axis and mounted in workpiece receiving stations of an indexable turret. A single shot inductor located within the path generally followed by the indexi...	10/26/1976
3944446	Method of inductively heating and quench hardening camshafts A method of inductively heating and quench hardening an elongated camshaft having a central axis, an elongated body portion, at least three axially spaced bearing surfaces on the body portion, and axially spaced cam surfaces on the body portion and encirc...	03/16/1976

PatentStorm

Celebrity Inventors

PatentStorm News

Class 148/574 - And cooling with fluid contact