Class 148/544 - With working

Subclass of Class 148 - Metal treatment
Definition: Process which involves a metal deforming step.
No. of patents: 20
Last issue date: 09/25/2007

Number	Title	Issue Date
7273026	Roller follower body The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner surface configured to house a cylindrical insert the second cavity i...	09/25/2007
7005017	Steel for mechanical construction, method of hot-shaping of a part from this steel, and part thus obtained The invention relates to a steel for mechanical construction, wherein its composition in percentages by weight is: 0.35%≦C≦1.2%; 0.10%≦Mn≦2.0%; 0.10%≦Si≦3.0%; traces≦Cr≦4.5%; traces≦Mo≦2.0%; traces≦Ni≦4.5%; traces≦V≦0.5%; traces≦Cu≦3....	02/28/2006
6994758	Steel for mechanical construction, method of hot-shaping of a part from this steel, and part thus obtained The invention relates to a steel for mechanical construction, wherein its composition in percentages by weight is: 0.35%≦C≦2.5%; 0.10%≦Mn≦2.5%; 0.60%≦Si≦3.0%; traces≦Cr≦4.5%; traces≦Mo≦2.0%; traces≦Ni≦4.5%; traces≦V≦0.5%; traces≦Cu≦4%...	02/07/2006
6746550	Compacted graphite cast iron alloy and its method of making A process for producing a compacted graphite iron (CGI) article, comprising the steps of: (a) providing a CGI base iron having a composition comprising, in weight percentages, about 3.2 to 3.8 total C, 2.8 to 4.0 Si and the balance at least Fe and incidental impurit...	06/08/2004
6319338	High-strength steel plate having high dynamic deformation resistance and method of manufacturing the same The object of the present invention is to provide high-strength steel sheets exhibiting high impact energy absorption properties, as steel materials, to be used for shaping and working into such parts as front side members of automobiles which absorb impa...	11/20/2001
6251199	Copper alloy having improved resistance to cracking due to localized stress A copper alloy having improved resistance to cracking due to localized plastic deformation and the process of making it. The alloy consists essentially of: from 0.7 to 3.5 weight percent nickel; from 0.2 to 1 weight percent silicon; from 0.05 to 1 weight ...	06/26/2001
6149740	Method of and apparatus for manufacturing hot rolled steel strips, in particular from strip-shaped continuously cast primary material A method of and apparatus for manufacturing hot-rolled steel strips from a continuously cast primary material, preferably thin slabs, in a plurality of successive steps in a continuous operation is disclosed. In the invention, thin slabs, which leave an e...	11/21/2000
5976277	High speed tool steel, and manufacturing method therefor A high speed tool steel and a manufacturing method therefor are disclosed, in which carbides are formed in the matrix in a uniform manner, thereby obtaining a high toughness and a high abrasion resistance. The high speed tool steel according to the presen...	11/02/1999
5439535	Process for improving strength and plasticity of wear-resistant white irons Composition and process for the manufacture of wear-resistant white iron, and articles made therefrom. A melt is solidified that contains iron, carbon and at least two carbide forming elements selected from silicon, manganese, chromium or mixtures thereof...	08/08/1995
5376195	Austenitic stainless steel sheet having excellent surface quality and method of producing the same This invention relates to a austenitic stainless steel thin sheet devoid of work-surface roughening, produced by a continuous casting method of a strip comprising a composition which contains not greater than 0.09% of C+N and has an Md30 of 30�...	12/27/1994
5288346	Process for producing deformable white cast iron A process for deforming white cast iron. A melt is prepared containing iron, carbon and one or more alloying elements. The melt is cooled at a rate of approximately 2° C. per minute or faster to form a white cast iron material. The white cast iron materi...	02/22/1994
5185044	Method of making "Damascus" blades A method of making a steel article having a "Damascus" surface pattern wherein a steel melt comprising about 1.0 to about 2.0 weight % carbon is solidified to form an ingot, the ingot is heated between about 1100° to about 1299° C. for a time at tempera...	02/09/1993
4838956	Method of producing a spheroidal graphite cast iron Spheroidal graphite cast iron whose matrix is composed of a mixture of bainite and retained austenite, containing 250 to 800 graphite grains/mm2, and its production method comprising the steps of forming the casting, annealing the casting so as...	06/13/1989
4715905	Method of producting thin sheet of high Si-Fe alloy Fe alloy containing Si more than 4.0 wt % is produced by a thin plate casting process. The producing condition depends upon rapid solidification of Fe alloy from a molten condition at cooling rate of more than 1° C./sen to less than 105 ° C./...	12/29/1987
4482396	Method for making pitting resistant cast iron product A method for making a cast iron product having a high resistance to both wear and pitting. The method comprises casting a cast iron containing C, Si, Mn, Cu, Ni, Cr and Mo with or without P and S to provide a casting having a local chilled structure havin...	11/13/1984
4230506	Cam shaft manufacturing process A cam shaft manufacturing process wherein a cam shaft is cast from a heat-treatable gray cast iron having a high carbide microstructure, is annealed while retaining the carbides and then cooled to room temperature. Surfaces, such as cam lobe surfaces, are...	10/28/1980
4222793	High stress nodular iron gears and method of making same High stress, acicular bainitic, nodular iron gears having residual compressive stresses at the surface of the teeth's roots of at least about 40,000 psi and a subsurface residual compressive stress of about 10,000 psi at a depth between about 0.006 inch a...	09/16/1980
4080715	Process for production of lamellar graphite-containing material Lamellar graphite-containing iron based and nickel based alloys are prepared by unidirectionally solidifying an iron base or nickel base alloy having a carbon content of 2 to 5% at a solidification rate not greater than 10 mm/hr and subjecting the solidif...	03/28/1978
4055445	Method for fabrication of brass alloy An improved ternary brass alloy includes silicon as the additive material and may be fabricated to provide a beta brass or a mixed alpha plus beta brass material. The composition limits of the constituents of the beta brass are fixed by two factors: (1) t...	10/25/1977
4025366	Method of making rotary piston engine cast iron interior seals by quench hardening An interior seal for rotary piston engines in the form of a cast iron scraper ring is arranged for axial movement in an annular groove in one face of the piston; and an annular scraping edge of the seal slides along the interior surface of the neighboring...	05/24/1977

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Class 148/544 - With working