| Document |
Document Title |
|
6655026 |
Material for a connecting rod for an internal combustion engine is carburized and quenched, a carburized layer formed on the bearing portion is ground until the portion which exhibits the maximum compressive residual stress, and a shot-p...
|
|
6458220 |
Steel alloys susceptible to case and core hardening comprise 0.05 to 0.24 weight percent carbon; 15 to 28 weight percent cobalt and 1.5 to 9.5 weight percent in nickel, small percentages of one or more additives: chromium, molybdenum, an...
|
|
6302971 |
A pulley useable with a driving belt in a continuously variable transmission, including a moveable pulley half having an integral cylinder portion integrally formed therewith by plastic working. The moveable pulley half includes an axial...
|
|
6294029 |
A surface treating and smoothing method of surface-treating and smoothing a sliding member including steps of finishing the sliding member by pressurized particle containing fluid blasting to a sliding surface with surface roughness rang...
|
|
6197125 |
A method for improving the corrosion resistance, increasing the hardness, providing superior ductility, and reducing surface-cracking of a diffusion coating by nitriding and heating-treating the diffusion coating is disclosed. The nitrid...
|
|
5916383 |
A method for shot peening a hard metal product that has a hardened surface. The method includes projecting shot on the hardened surface of the hard metal product. The ratio of the Vickers hardness of the shot to that of the hardened surf...
|
|
5868871 |
Method and apparatus for carburizing, quenching and tempering workpieces, by which the step of carburizing can be incorporated into a machining and manufacturing process to be performed by an on-line machining and manufacturing system as...
|
|
5690756 |
A method for producing cast iron gears includes the steps of heating a blank composed of cast iron and having a teeth forming part to such a temperature that at least the teeth forming part is at least austenitized, and hot rolling the t...
|
|
5595613 |
A steel for gears consists essentially of 0.10-0.30 wt % of C, not more than 1.0 wt % of Si, not more than 1.0 wt % of Mn, 1.50-5.0 wt % of Cr, and balance including iron and impurity. A gear made by the steel forms a hardened surface la...
|
|
5556484 |
A method of forging Ni-base superalloys is described which avoids the growth of abnormally large grains in the surface region of a forged article. The method involves forging and/or annealing a Ni-base superalloy in a carburizing environ...
|
|
5100483 |
A method of case hardening ferrometallic parts that avoids the use of protective coatings or shields is provided. The process comprises the steps of a) carburizing the entire part, b) machining the carburized part to form first and secon...
|
|
5085713 |
A rotary output shaft for a vehicle starter motor having a planet gear speed reducing device is formed by forging a steel blank to form a product having a shape similar to the rotary output shaft but having slightly larger outer dimensio...
|
|
4622080 |
A gun barrel which is either smooth or has lands and grooves wherein the grooves are both wider and deeper at the chamber than at the muzzle. A mandrel for producing the gun barrel. Processes for producing the gun barrel including steps ...
|
|
4403639 |
A stud arrangement on casehardened studded chains for motor vehicles, wherein the studs consist of a steel body which is permanently welded to a chain link and provided with a centrally disposed hard metal pin. The hard metal pin is inse...
|
|
4373973 |
A method for forming gear teeth of a high performance gear is accomplished by shaping the carburized gear tooth surface while the gear blank is held at a uniform temperature in the metastable austenitic condition above the start of the m...
|
|
4123294 |
A method is disclosed for treating scrap metal chips and turnings containing a valuable metal layer of silver, gold, or copper and a ductile layer of ferritic steel or ductile iron to recover the valuable metal. The chips and turnings ar...
|
|
4052233 |
A method of sealing non-threaded boreholes with a preferably spherical sealing member comprising pressing the sealing member into the borehole in an unhardened raw material hardenable by nitridation, wedging the lip of the borehole and h...
|
|
3837931 |
A composite iron-base metal product comprising an iron-base metal in which a martensitic structure having a high mechanical strength is formed in a particular portion of the base metal in such a manner that the tensile strength and ruptu...
|
|
3661656 |
The product comprises a tough core and at least one hard, carburized surface layer, the core containing 0.01-0.04% C, 2.2-6.0% Mn, 0.5-2.0% Si, up to 0.2% acid-soluble Al, 0.01-0.5% Nb and/or V, with Nb being replaceable by Ta, up to 0.0...
|
|
3654692 |
A method for treating surfaces of contact for a friction element operating in a liquid medium. The method comprises sand blasting the surface so as to form unevenness, thereafter nitriding the surface layer so as to increase the hardness...
|
|
3344817 |
|
|
3231433 |
|
|
3003370 |
|
|
2804412 |
|
|
2670528 |
|
|
2412802 |
|
|
2397585 |
|
|
2368007 |
|
|
2335295 |
|
|
2324808 |
|
|
2154014 |
|
|
2131186 |
|
|
2102963 |
|
|
2087051 |
|
|
2016878 |
|
|
1967077 |
|
|
1942025 |
|
|
1908887 |
|
|
1827872 |
|
|
1799614 |
|
|
1699273 |
|
|
1660960 |
|
|
1563420 |
|
|
1551764 |
|
|
1470813 |
|
|
1457102 |
|
|
1457101 |
|
|
1303727 |
|
|
1115643 |
|
|
1079323 |
|
