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Class 148/656 - Work handling


Subclass of Class 148 - Metal treatment
Definition: Process wherein a metal workpiece is manipulated for positioning
No. of patents: 22
Last issue date: 10/03/2006


NumberTitleIssue Date
7115176Production process and production line for manufacturing articles from hardenable metal materials
In a method of manufacturing articles (8) in hardenable metal materials, a shaped workpiece (5.1, 5.2) with closed cross-section is hardened. The hardened workpiece (5.1, 5.2) is separated into at least two parts, where each part constitutes one...
10/03/2006
6972058Heat treatment method and apparatus
A method of heat treating tool steel by using a high intensity infrared heating source, said source being tungsten halogen heat lamps which operate in air, non-air and/or vacuum environments, and a tool steel heat treat system which includes a furnace containing sai...
12/06/2005
6616778Process and device for producing a ferritically rolled steel strip
A process for producing a ferritically rolled steel strip, in which liquid steel is cast in a continuous-casting machine (1) to form a slab and, utilizing the casting heat, is conveyed through a furnace device (7) undergoes preliminary rolling in a prelim...
09/09/2003
6464806Method of forming extruded structures from polycrystalline materials and devices formed thereby
A method of forming extruded structures from a polycrystalline material and structures formed thereby. The method generally entails forming a structure that comprises a polycrystalline material constrained by a second material in all but one direction, wi...
10/15/2002
6174390Spiral parts heat treatment apparatus and method, and spiral part
A spiral parts heat treatment apparatus includes a first guide, a transfer unit, a second guide, and a controller. The first guide has a carrier portion that continuously conveys the manufactured spiral parts carried thereon in a longitudinal direction. T...
01/16/2001
6120622Process and arrangement for manufacturing brush-type seals
A process and arrangement for manufacturing brush-type seals having inclined bristles provides at least one ring-shaped brush-type seal having radially extending bristles of a length which, by way of the inclining of the bristles with respect to the radii...
09/19/2000
5776268Process for manufacturing surgical needles
A process for progressively manufacturing cutting edge needles or wire members. Needle blanks or wire blanks are cut from a roll of wire and mounted to a carrier strip. The carrier strip and needles are moved through a succession of coining dies and at le...
07/07/1998
5766382Thermal treatment method and installation for the implementation of this method
A thermal treatment installation for treating and quenching pieces (22) of small dimensions comprises a treatment line (LT) including a treatment furnace (2) for bringing the pieces to treatment temperatures, a quenching cell (4) located downstream from t...
06/16/1998
5423924Method for the heat treatment of at least one metal wire with heat-transfer plates
A method and for the heat treatment of at least one metal wire (1), chararized by passing the wire (1) within at least one pair of thermal transfer plates (2, 2a, 2b) between two grooves (8, 8a, 8b) made in the two plates (2, 2a, 2b) of each of said pair...
06/13/1995
5419791Method of heat assisted sheet metal forming in 360 degree shapes
This is a method for heat assisted forming, annealing, and hardening 360° sheet metal shapes in a clean environment in a single facility that results in dimensionally correct, cost-effective, contaminant free parts....
05/30/1995
5405464Riders for the processing of steel and method for using
Method and apparatus for supporting a steel slab and protecting the bottom surface of the slab as the slab is advanced over a skid bar system through a slab heating furnace and which includes at least a first member for supporting the weight of the steel ...
04/11/1995
4921549Promoting directional grain growth in objects
A heat treating method for promoting directional recrystallization in objects in general and, more particularly, forgings having relatively low length to thickness ratios. The objects are partially embedded in containers having insulating material therein...
05/01/1990
4862920Spool for a spool valve and method of producing same
The invention provides a spool for a spool valve, the spool (1) comprising at least one annular land (2) having at least one notch (3) therein which is part conical (4). The invention also provides a method of producing such a spool....
09/05/1989
4551185Methods of and apparatus for making retractile cords
A leading end portion (33) of a supply of cordage (31) is clamped to a mandrel (32) such that it is straight, after which a plurality of convolutions of the cordage are wound on the mandrel. The cordage is severed from the supply and a trailing end portio...
11/05/1985
4486249Method of making class D sucker rods
It has been found that API Class D sucker rods can be made inexpensively from low-alloy, low-cost steel by following a suitable induction-normalizing process and using a suitable steel to which there has been added 0.07 to 0.15 percent of vanadium....
12/04/1984
4468261Method of normalizing sucker rods using a normalizing unloader
An apparatus and method are provided for receiving sucker rods as they emerge from an electric-induction normalizing furnace and conveying them to a cooling bed while both suitably supporting and suitably rotating them to prevent warpage....
08/28/1984
4427396Method of manufacturing a color selection electrode for a color display tube
Method of manufacturing a deep drawn CRT mask in which the mask blanks are cut from the steel foil, each mask blank having a pattern of apertures. To facilitate the subsequent deep drawing and in order to obtain a grain size for good magnetic screening by...
01/24/1984
4188243Method and apparatus for heat-treating metallic material
In the heat treatment (quenching treatment, tempering treatment, etc.) of long metallic material, such as, large diameter steel pipe or the like, in order to stabilize the speed of travel of the material through a heat treating zone, i.e., a zone includin...
02/12/1980
4112732Method and apparatus for shaping integrally-shaped type brake disks for cars
An apparatus and method for forming an integrally-shaped brake disk for a vehicle. The method comprises heating the brake disk material, and maintaining the material heated while it is inserted between upper and lower dies of the apparatus. The central an...
09/12/1978
4088513Method for heating a silicon-containing steel slab in a walking-beam type heating furnace
A method for treating a steel slab containing 2.5 to 4% Si to a temperature not lower than 1260° C. in a continuous heating furnace of the walking-beam type, comprising; charging the slabs into the continuous heating furnace through its charge inlet, tra...
05/09/1978
3988179Method 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
3981754Method for heating sheet metal
A method for avoiding irregularities in the surface of heavy steel sheet when heating or heat-treating such sheet by exposing both flat sides thereof to heat in a furnace. The sheet is transported endwise in the furnace in a substantially horizontal direc...
09/21/1976
 
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