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Assignee: Schwarzkopf Development Corporation


Location: NewYork, NY
No. of patents: 32

NumberTitleIssue Date
5116659Extrusion process and tool for the production of a blank having internal bores
The invention relates to an extrusion process and an extrusion tool for the production of cylindrical metallic or ceramic blanks having one or more internal twisted longitudinal bores. A plasticized, pulverulent starting material, deformable by means of e...
05/26/1992
5051139Process for the manufacture of semi-finished products or preformed parts made of refractory metals and resistant to thermal creep
A process for the manufacture of dispersion-strengthened alloys of the refractory metals of the 4th, 5th and 6th subgroups of the Periodic Table for application in semi-finished products or preformed parts requiring high thermal creep-resistances, involve...
09/24/1991
5049355Process for producing an ODS sintered alloy
Process for producing a ductile, high strength, oxide dispersion hardened sintered alloy based on a metal having a high melting point. In the past, oxide dispersion has played only a minor role in comparison with other known processes for increasing stren...
09/17/1991
5023043Actively cooled device
An actively cooled device, such as a heat shield for a fusion reactor, includes elements (10) of a heat-resistant material, particularly graphite, each being provided with at least one recess having a circular cross section, particularly a groove (14), in...
06/11/1991
4990402Process for the manufacture of a soldered joint
The invention relates to a process for the manufacture of a solder joint between a part consisting of pyrolytic graphite and a metal part. According to the invention, the parts are not soldered directly to each other, but by way of an intermediate piece c...
02/05/1991
4950327Creep-resistant alloy of high-melting metal and process for producing the same
A creep-resistant alloy having a tiered structural arrangement of one or several refractory metals Mo, W, Nb, Ta, V, Cr containing certain doping agents, as well as a process for producing the same. The special doping agents are compounds and/or mixed pha...
08/21/1990
4938641Parting tool
A parting tool is provided having a tool shank and an interchangeable blade support connected thereto. The blade support is equipped with a blade attachment of blade. The blade support makes contact along one side thereof with a broad-side of the tool sha...
07/03/1990
4901338Rotary anode for X-ray tubes and method of manufacture
Rotary graphite anode for use in X-ray tubes comprising a basic body consisting of graphite and a high melting alloy and having a tungsten alloy focal track. The basic body is secured to a graphite substrate. The graphite substrate is coated by a layer of...
02/13/1990
4895770Process for the manufacture of multi-layered, coated hardmetal parts
The invention relates to a process for the manufacture of multi-layered wear-resistant CVD- or PVD-coatings applied to hardmetal parts containing WC-Co or WC-Ni, where at least one of the layers is a metal-boronitride layer. According to the invention, th...
01/23/1990
4780902Rotary anode for X-ray tubes
Rotary anodes for X-ray tubes are provided having improved thermal stability. The rotary anodes are comprised of a basic body made of molybdenum alloy comprising about 0.1 to 15% by weight hafnium, about 0.1 to 15% by weight zirconium, about 0.01 to 1.0% ...
10/25/1988
4777060Method for making a composite substrate for electronic semiconductor parts
A method is provided for making a composite substrate for electronic semiconductor parts. The composite substrate has a metal core, an insulating layer, and a conducting layer. The insulating layer is deposited by chemical vapor deposition in the gaseous ...
10/11/1988
4752335Process for the manufacture of a target for cathodic sputtering
A process for forming a metallic sputter target and a metallic sputter target product are provided. The process provides a dense homogenious bulk material of high strength comprising ductile metal components which forms a brittle composition when alloying...
06/21/1988
4731116Sputter target and process for producing sputter target
Sputter targets and a process for producing sputter targets are provided, comprised of carbides and/or nitrides and/or borides of refractory metals. In a first step, a dense composite body is produced comprised of one or more carbides and/or nitrides and/...
03/15/1988
4704249Process for producing a superconducting wire having a Chevrel phases
The invention relates to a process for producing a superconducting wire, using, e.g., Chevrel phases as superconductors, in particular PbMo6 S8. Until now, it was not possible to produce superconducting wires from such materials in a...
11/03/1987
4522202Curved intramedullary lower leg spike
There is disclosed a curved intramedullary lower leg spike in which the face over which cooperates with a driving tool is disposed at an angle with respect to the longitudinal axis of the spike and in which the face area and the front plane of the spike d...
06/11/1985
4516255Rotating anode for X-ray tubes
There is disclosed a rotating anode for use in X-ray tubes having a basic member made of a carbonaceous molybdenum alloy, such as TZM, and a focal path, that is a cathode path, of tungsten or a tungsten alloy, the surface of the basic member outside the f...
05/07/1985
4479744Cutting tool
A cutting tool having improved chip runoff over a wide range of cutting conditions is provided. The cutting tool improves chip deformation and reduces cutting forces, resulting in the generation of lower temperatures and increased service life. The tool h...
10/30/1984
4446857Medullary nail and process for the production thereof
There is provided a medullary nail having a hollow body provided with a plurality of longitudinal concave zones (3) in the outer surface and contiguous zones of annular form (2) and having a cutter (4) at one end. The body is of tantalum, an alloy thereof...
05/08/1984
4427322Clamping element for cutting tool
There is disclosed an improved cutting tool having a body provided with a threaded borehole, a clamping bolt and a recess, and which is provided with a supporting surface and at least one lateral supporting surface for supporting an indexable cutting inse...
01/24/1984
4423721Device for insertion and extraction of medullary nails
A metallic device for the insertion and extraction of medullary nails having a guide tube (1) which is comprised of two successive longitudinal sections (2 and 3). Striking elements (7 and 11) are disposed on opposite ends of the tube and a displaceable s...
01/03/1984
4394953Method of joining individual parts of an X-ray anode, in particular of a rotating anode
In the manufacture of rotating anodes for X-ray tubes consisting of a basic body made of high-melting metal or its alloys and one or a plurality of graphite parts, the graphite parts (3) are provided with grooves (5) and boreholes (6) before the individua...
07/26/1983
4204781Clamping toolholder
A disposable insert is retained in a toolholder recess by a downwardly biased pin element having a head part which abuts laterally against the insert hole wall and against two points of a projection extending into the insert hole....
05/27/1980
4162338Coated cemented carbide elements and their manufacture
Cemented carbide elements with working faces bearing a thin multilayer or stratified coating of nonuniform composition of wear-resistant materials exhibit superior wear-resistance for improved performance and service life under severe service conditions a...
07/24/1979
4132917Rotating X-ray target and method for preparing same
A rotating X-ray target comprised of a graphite body having brazed thereon a metal band focal track or layer in which the configuration of the surfaces of the graphite base and the metal layer corresponds to an annular segment of a spherical surface and m...
01/02/1979
4101703Coated cemented carbide elements
Cemented carbide elements with working faces bearing a thin multilayer or stratified coating of nonuniform composition of wear-resistant materials exhibit superior wear-resistance for improved performance and service life under severe service conditions a...
07/18/1978
4090103X-ray target
An X-ray target, preferably a rotating target is disclosed in which at least part of the target surface outside the focal area contains a coating layer of a mixture composed of molybdenum, tungsten, niobium or tantalum, and from 20-60 volume percent of a ...
05/16/1978
4050127Clamping tool holder
A disposable insert is positioned on a pin in a stepped recess of a cutting tool shank. A slidable wedge positioning block and clamp member are carried on a screw at the rear portion of the stepped recess. Tightening the screw causes the clamp to clamp th...
09/27/1977
4029828X-ray target
A target for an X-ray tube is coated outside of the area impinged on by electrons with a layer of thermally emissive material comprising 6-20% by weight TiO2 and 80-94% Al2 O3. The coating is applied for example by plasma ...
06/14/1977
3974555Rolls for rolling mills and method for making same
Disclosed are improved rolls for use in elevated temperature rolling operations and a method for making said rolls. At least a portion of said rolls comprises a coated surface, said coating comprising carbides, carbonitrides, nitrides, borides or oxides o...
08/17/1976
3960604Device for temperature measurements
An improved thermocouple sensor is disclosed comprising a pair of thermocouple wires formed from tungsten-rhenium or molybdenum-rhenium alloys and terminating in ends adapted for thermocouple application, and a metal mass of tungsten or molybdenum intimat...
06/01/1976
3958070Decorative metallic articles with differently colored surface zones
A novel material is disclosed that is useful for the manufacture of durable metal articles which have differently colored surface zones....
05/18/1976
3953177Cermet materials with metal free surface zones
A novel cermet material and a process for its production is disclosed. The cermet material is characterized by a surface zone which is substantially free of metal....
04/27/1976
 
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