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Class 266/130 - Having bath for contacting the work with liquid


Subclass of Class 266 - Metallurgical apparatus
Definition: Device wherein the means for contacting the work with a
No. of patents: 29
Last issue date: 05/20/2008


NumberTitleIssue Date
7374624Vertical plate dip quench
A method and apparatus for quenching steel plates after they come from an austenitizing furnace. The plates are rotated to a vertical orientation and rapidly submerged into a water bath while being held flat between reciprocating rolls. The superior uniformity and s...
05/20/2008
7332689Tacking method and apparatus
An apparatus for tacking a multi-lumen tubular assembly together comprises a laser, an optical member and a placement tray for retaining the tubular assembly. A portion of the optical member defines a window that is substantially transparent to laser energy emitted ...
02/19/2008
7144813Method and apparatus for thermally processing microelectronic workpieces
An apparatus for thermally processing a microelectronic workpiece is provided. The apparatus comprises a rotatable carousel assembly configured to support at least one workpiece. A driver is coupled to the carousel assembly and rotates the carousel assembly, moving ...
12/05/2006
7024916Vacuum heat treatment furnace and method of and apparatus for measuring carbon concentration in atmosphere having reduced pressure.
A vacuum heat treatment furnace comprising a furnace shell, a casing arranged in an inner side of the furnace shell, a heat insulating layer consisting of a thick plate-like alumina-silica series ceramic fiber blanket and a thin plate-like alumina series ceramic mat...
04/11/2006
6709629Vacuum heat treatment furnace
A vacuum heat treatment furnace comprising a furnace shell, a casing arranged in an inner side of the furnace shell, a heat insulating layer consisting of a thick plate-like alumina-silica series ceramic fiber blanket and a thin plate-like alumina series ceramic mat...
03/23/2004
6264768Method for strengthening of rolling element bearings by thermal-mechanical net shape finish forming technique
A method and apparatus disclosed for cost-effective net shape precision ausform finishing the engagement surfaces of ball and roller bearings, for enhancing the surface strength and durability of bearing inner and outer races. The method consists of induc...
07/24/2001
6099666Variable cooling rate quench method and apparatus
A variable rate quench system allows the cooling of a heated workpiece to be controlled more closely. A liquid quenchant used in the system has an initial temperature, density and heat extraction index. The system comprises a first tank containing the liq...
08/08/2000
6024913Precision quenching apparatus and method with induction heating
In the apparatus: Y table 43 carries a work W and travels a predetermined distance in direction Y in a reciprocating manner; X table 41 causes the work W to reciprocate in direction X between a first position, in which the work W is loaded onto and unload...
02/15/2000
5932170Apparatus for the treatment of metallic workpieces
Metal workpieces are subjected to laser treatment in a liquefied gas, by passing the laser beam through a layer of liquid nitrogen in direct contact with the metal surface to be treated, thereby creating an amorphous state....
08/03/1999
5795538Apparatus for steel hardening and process therefor
In a method for quenching metal parts, a quenching chamber is provided in which the quenching oil is continuously supplied from below the steel parts and circulated upward through the parts in a laminar flow. The circulation is accomplished by feeding the...
08/18/1998
5529290Apparatus for quenching coil springs to assure cooling
A method and apparatus for controlled quenching of hot formed coils is desccribed, and has a timed dip on a wand connected to a pump. The wand delivers quench liquid into the coil to prevent bubbles from forming in the coil, damaging the coil from irregul...
06/25/1996
5485985Method and apparatus for heat treating
An apparatus for metallurgically heat treating a plurality of discrete individually movable aluminum alloy parts includes a plurality of successive stations for heat treating the parts. The plurality of stations are arranged in a line of travel. Infrared ...
01/23/1996
5350467Method of heat treating a zone of each of a plurality of articles
A method of heat treating e.g. an end zone of each of a plurality of metal articles such as fasteners comprises the steps of feeding each of the plurality of articles onto a conveyor means by which the articles are conveyed in succession in a generally up...
09/27/1994
5345997Cooling device
A cooling device (1) in the form of a vertically arranged hollow chamber is located between a heat treatment furnace (9) and a quenching bath (11d). The device controls the cooling of small hardware items dropping downwardly through it from the furnace (9...
09/13/1994
5215702Avoiding lead drag-out during patenting
A method of and an apparatus for guiding at least two steel wires from a furnace into a lead bath. The steel wires are kept separated, and, after leaving the furnace, guided over a cooled roller. The roller is turning at a peripheral speed that nearly equ...
06/01/1993
4647017Vacuum heat treating furnace and quench system with drop transfer
A vacuum heat treating furnace and quench system in which a load hanger rod with attached load is suspended vertically from the vacuum chamber top cover assembly, and at the end of the heating cycle segment is unlatched and permitted to free-fall through ...
03/03/1987
4353531Process and installation for the handling and heat treatment of cast iron or steel pipes and tubes
Concave rails 17, upon which a pipe which is to be treated by at least partial immersion can be placed, are fixed in the bottom of a furnace 1 which contains a treatment bath M. In order to guarantee that the pipe is immersed over the whole of its cross s...
10/12/1982
4336924Apparatus for quenching heated workpieces
A method and apparatus for quenching heated elongated workpieces by rotatably mounting the heated workpiece in a quench tank and subsequently rapidly flooding the tank with a quenching liquid. The heated workpiece is mounted within the quench tank by enga...
06/29/1982
4235424Air cooled electrode system for electrically heated molten bath furnaces
An air cooled electrode system is employed with one or more electrically heated molten salt bath furnaces. Each furnace comprises a wall enclosing a chamber which contains the molten salt bath. Electrodes are laid or located in the wall to extend through ...
11/25/1980
4225121Energy efficient heat-treating furnace system
A method and apparatus are disclosed for heat-treating parts in a furnace system which uses a minimum total amount of energy. The self-contained, continuous heat-treating system includes components such as a carburizer, a tempering furnace, and a part coo...
09/30/1980
4222554Electric salt bath furnace
In the art electric heat treat furnaces have a frame and an open top housing of refractory brick therein including a plurality of inner walls defining a chamber throughout its height adapted to receive a molten bath such as a salt bath into which metal pi...
09/16/1980
4205935Continuous heating furnace for the heat treatment of small parts
A continuous heating or pusher-type furnace for the heat treatment of small arts, by which in a closed furnace chamber glide tracks are provided for the intermittent feeding of basket cars in a row between a loading station and a discharge station which is...
06/03/1980
4118016Continuous heat treating vacuum furnace
A vacuum furnace in which work loads are periodically introduced and processed therein without breaking the vacuum within the furnace heating chamber and including spaced door assemblies between which chambers are defined for effectively isolating the wor...
10/03/1978
4088309Cooling device for slabs with slab-tilting devices for turning the rolled stock
Cooling device for slabs comprising a cooling trough and a locating frame provided with compartments in the cooling trough for the vertical location of the slabs by means of a crane able to travel on a track above or along the cooling trough, which crane ...
05/09/1978
4063719Heat treatment apparatus
An apparatus for heat treating elongate articles including a furnace arranged above a quenching liquid reservoir and guide elements for guiding heated elongate articles from the furnace into the quenching liquid. In a preferred embodiment, the furnace uti...
12/20/1977
4055333Apparatus for heat treating work
A novel apparatus for automatically heat treating ferrous work rapidly from austenite stage temperature through the martensite state and automatically slowly cooling the same thereafter to impart uniform hardness and other desired characteristics thereto,...
10/25/1977
4030947Heating treatment method and system of utilizing same
A method and system for heat treating metallic substances, especially alloys, and the products obtained thereby. The alloy is subjected to solution heat treating in a fluid media, after which it is quenched in a fluid quenching media. This is followed by ...
06/21/1977
3972513Method and apparatus for treating and annealing ferrous and non-ferrous articles
An apparatus for rapid batchwise heating and/or annealing ferrous and non-ferrous materials in piece form has an inlet chamber for the introduction of the material, including an inlet lock and a roller table, with means to close the lock and to evacuate t...
08/03/1976
3972751Method of heat treating ferrous workpieces
A novel method of and apparatus for automatically heat treating ferrous work rapidly from austenite stage temperature through the martensite stage and automaticaally slowly cooling the same thereafter to impart uniform hardness and other desired character...
08/03/1976
 
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