Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 7469474 | Manufacturing a component with a near spherical surface A method of making a component (2) of an orthopaedic joint prosthesis, which has a bearing surface whose shape corresponds approximately to a part of a sphere and is symmetrical about its polar axis, involves use of a cutting tool (6) which has a circu... | 12/30/2008 |
| 7080539 | Forged knurled socket housing and method of manufacture A method for manufacturing a cartridge-type housing for a ball and socket joint in a vehicular suspension system comprises the steps of inserting a housing blank into a forging tool die, expanding the housing blank within the forging tool die using a forging tool pu... | 07/25/2006 |
| 6941656 | Spherical bearing and method for manufacturing the same There are provided a spherical bearing and a method for manufacturing the same, in which both of a ball bearing section and a ball section made of metal can make light and smooth swinging and rotary motions for a long period of time without biased wear and seize-up ... | 09/13/2005 |
| 6735997 | Method for producing a housing for a ball joint A process is provided for manufacturing a ball-and-socket joint housing by cold forming from a blank (R), which is preferably produced from a bar or wire material and is prepared for forming. A first axial depression (1) with a diameter (D1) is first p... | 05/18/2004 |
| 6532664 | Method of manufacturing shoe A method of manufacturing a shoe according to the present invention comprises a step of cutting a columnar raw material 1 to a given length to provide a disc-shaped raw material 2, a step of forming on one end face of the disc-shaped raw material a spheri... | 03/18/2003 |
| 6488454 | Method for machining shoe pocket for piston in variable displacement swash plate type compressor A method for machining a pair of shoe pockets for piston in a swash plate type compressor is disclosed. In this method, the shoe pockets are respectively formed on the opposed walls of the slot in the piston of the compressor while conforming to a single ... | 12/03/2002 |
| 6435047 | Shoe for swash-plate type compressor A method of manufacturing a shoe including cutting a columnar raw material to a given length to provide a disc-shaped raw material, forming on one end face of the disc-shaped raw material a spherical sliding surface which is to be disposed in sliding cont... | 08/20/2002 |
| 5904436 | Dry wedge ball and socket joint A ball and socket joint is disclosed. The joint comprises two hard, self-adjusting, tapered side bearing halves with inner spherical faces. The inner spherical faces are lined with a low friction synthetic filament impregnated fabric overlay bonded to the... | 05/18/1999 |
| 5823721 | Method of producing an undercut, concave, self-contained bearing surface The invention relates to a method of producing concave, self-contained bearing surfaces, which are at least part of spherical indentations which extend beyond the sphere equator, by means of machining involving the removal of material of pre-formed indent... | 10/20/1998 |
| 5815923 | Bearing and method of manufacturing the same A bearing includes a bearing portion and an oil basin. The bearing portion is formed integrally with a side frame and projects cylindrically from a surface of the side frame. The oil basin is integrally formed with the bearing portion and annularly provid... | 10/06/1998 |
| 5735048 | Spherical bearing having high mechanical strength, and method for manufacture The invention relates to a spherical bearing having high mechanical strength, and its method of manufacture. This spherical bearing includes a cage (3) containing an internal articulation element (1) and slit along a radius, the edges of the slit (5) of w... | 04/07/1998 |
| 5070609 | Method of manufacturing a ball joint A ball joint and a manufacturing method of the same. The ball joint comprises a holder and a ball and rod which is rotatably and movably secured to the holder and a sealing member which is secured between the spherical body of the ball and rod and a spher... | 12/10/1991 |
| 5062208 | Method of molding a bearing separator A bearing separator having complete, wrapping ball pockets is molded by use of a pocket shaping insert that is split along a diagonal plane, allowing each insert segment to be withdrawn from the pocket formed with reduced stress.... | 11/05/1991 |
| 4625377 | Method for manufacturing universal joints This invention relates to metal cutting and more particularly to method for manufacturing constant velocity universal joints. A construction is disclosed wherein spherical turning, milling and grinding of the races and grooves of the joint members of a un... | 12/02/1986 |
| 4569109 | Method of making a split bearing assembly Split bearing assemblies are disclosed having separable bearing caps for both single applications, such as connecting rods, and multiple applications, such as engine crankshaft supports, together with methods and apparatus for making such assemblies by in... | 02/11/1986 |
| 4463590 | Forging method A blank section of a steel rod is heated and then successively impacted between hot forging dies to form a preform or rough forging ball joint socket having a tubular socket portion and a laterally projecting mounting flange portion. The rough forging is ... | 08/07/1984 |
| 4450703 | Rod ends and blanks and method and apparatus for making same A cold header or a screw machine preforms a rod end blank from rod stock. A female blank has a drilled and tapped rod portion and an undersized spherical head portion. A male blank has an unthreaded straight shank and an undersized spherical head portion.... | 05/29/1984 |
| 3992066 | Spherical bearings and parts therefor A method of manufacturing a spherical bearing rod end having an outer race member, an intermediate member of yieldable material within and supported by said outer race member and an inner race operationally supported by said intermediate member comprising... | 11/16/1976 |
