Class 29/898.069 - Ball making

Subclass of Class 29 - Metal working
Definition: Process of manufacturing a spheroid element for use in an
No. of patents: 21
Last issue date: 04/26/2011

Number	Title	Issue Date
7930827	Split bearing and method of making the same A split bearing generally includes first and second bearing halves each having complementary partial shaft receiving portions, wherein the first and second bearing halves are substantially identically configured. The split bearing further includes fasteners for rele...	04/26/2011
7273409	Process for forming spherical components A process is disclosed for forming a spherical component using a centrifugal processing machine. The process includes the steps of providing a component having an initial shape with at least a portion that is non-spherical, placing the component into a container in ...	09/25/2007
7146734	Rolling elements for rolling bearing, method of producing the same, and rolling bearing A method of producing rolling elements for a rolling bearing comprises mixing to process rounded elements made of steel balls and spherical rolling elements having outer diameter portion portion becoming a rolling contact face. The rolling contact face has curvature...	12/12/2006
7103956	Method of fabricating a spherical cavitation chamber A method of fabricating a spherical cavitation chamber. Depending upon the chamber's composition and wall thickness, chambers fabricated with the disclosed techniques can be used with either low or high pressure systems. During chamber fabrication, initially two sph...	09/12/2006
6745472	Manufacturing method of steel ball for rolling bearing A method of manufacturing a steel ball for a rolling bearing, said method comprising: a molding step of forming a steel wire cut at a predetermined length into a raw ball having a band portion by a pair of molding forms having respectively hemispherical concave port...	06/08/2004
6146021	Method for making a corrosion resistant bearing A corrosion resistant bearing includes a bearing insert and a housing supporting the bearing insert. The bearing insert includes an outer ring, an inner ring and a plurality of rolling bearing elements disposed between the rings. At least one of the beari...	11/14/2000
6119347	Method for manufacturing balls for bearing and products thereby A method of manufacturing steel balls for use in a ball bearing comprising an inner steel race or shaft with an inner raceway formed around its outer peripheral surface, an outer steel race with an outer raceway formed around its inner peripheral surface,...	09/19/2000
5950469	Method and equipment for surface-hardening treatment of steel balls for a ball bearing An apparatus for surface-hardening steel balls includes a container having projections protruding inwardly from and extending longitudinally along an inner wall; a support shaft having projections extending outwardly from and longitudinally along the supp...	09/14/1999
5456008	Process for hard-coating a ball This invention relates to a process for hard-coating a ball, consisting in: hollowing in the outer surface of the ball a depression whose periphery lies at a certain distance from the two polar faces of the ball in order that it is bordered by elevated zones; ...	10/10/1995
5129148	Method for making a non-metallic, fiber reinforced rod end bearing assembly A method for making a non-metallic rod end bearing assembly to be interconnected with a control rod. The assembly comprises a rod end bearing and a hollow collar, such that the rod end bearing can be coupled to one end of the control rod by way of the col...	07/14/1992
4946747	Machine element and method of making Machine elements formed which overcome the problems associated with rolling bearings or rolling drive units, which, apart from load under rolling are simultaneously exposed to frictional load, which leads in particular zones to frictional wear. In order t...	08/07/1990
4886377	Rotary body of hard material with plastic supporter A rotary body of hard material with a plastic supporter and a method of manufacturing therefor, which essentially comprises a coating film coated with the rotary body and removed after molding so as to make a clearance between the rotary body and the supp...	12/12/1989
4783217	Method and apparatus for producing spherical objects A method and apparatus for producing spherical objects is disclosed, the apparatus having a reservoir filled with a relatively dense molten material, the reservoir being heated and hydraulically pressurized to maintain the molten state of the dense materi...	11/08/1988
4607428	Method for preloading bearings for a spin casting apparatus A method of preloading the upper ball bearing of a spin casting machine. Spring force is used to lift the inner bearing race and preload the bearing upward. Spring force is applied against a bearing collar which rests against the lower surface of the inne...	08/26/1986
4346516	Method of forming a ceramic circuit substrate A method of forming a ceramic circuit substrate allowing mounting of high integration density semiconductor elements. The method provides a multilayered ceramic circuit substrate having via holes formed with high accuracy and high integration density wiri...	08/31/1982
4108689	Process for improving the surfaces of roller bodies and balls The surfaces of antifriction elements and other steel surfaces in mutual sliding contact are improved by first degreasing the surfaces in a mild alkaline aqueous degreasing bath at a pH of about 7 to 10, by then rinsing with cold water, by browning the su...	08/22/1978
4067240	Process of shot peening and cleaning and preparing shot pellets therefor A process of compression stressing shot pellets to increase the fatigue strength or resistance thereof to brittle fractures by impact of the pellets during shot peening and cleaning operations wherein the elastic radial tensile stress at the surface of th...	01/10/1978
4014197	Ball rounding apparatus Ball rounding apparatus includes a rotatable inner rolling die and a stationary outer die. Forged steel balls travel through an arcuate path between the dies for final rounding. The stationary outer die is made up from a plurality of segments known as die...	03/29/1977
4003232	Method and apparatus for continually forming spherical objects The method and apparatus for continually forming spherical objects such as steel balls or the like which balls are utilized in various grinding processes which apparatus and method includes at least one longitudinally extending forming tube with means for...	01/18/1977
3963284	Friction reducing bearing A method and apparatus for reducing the friction in a ball-bearing pivot axis assembly. Within the bearing assembly, the balls are floated in a fluid lubricant and, especially in fully-floated units, the weight of the balls is an overriding consideration ...	06/15/1976
3930693	Full complement bearing having preloaded hollow rollers This disclosure relates to a full complement bearing and the method of forming the same wherein the rollers of the bearing are hollow and are installed between the bearing races in a preloaded condition. Further, the rollers have the end portions thereof ...	01/06/1976

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Class 29/898.069 - Ball making