Bizarre Patents
Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
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| Number | Title | Issue Date |
| 7003878 | Method for producing a ring support with a sheet metal cooling channel welded thereon The invention relates to a method for producing a ring support (1) with a sheet metal cooling channel welded thereon (5), which is transfused later with an aluminium melt for producing a piston. The aim of the invention is to improve the production of ... | 02/28/2006 |
| 6921033 | Fuel injection valve A fuel injector, particularly for the direct injection of fuel into the combustion chamber of a mixture-compressing internal combustion engine having external ignition, include a valve housing formed by a nozzle body and a sealing ring which seals the fuel injector ... | 07/26/2005 |
| 6802289 | Valve timing control system for internal combustion engine A valve timing control system for an internal combustion engine includes a housing having and a cover member mounted thereto, a phase adjusting mechanism accommodated in the housing to hydraulically change the rotation phase of a crankshaft and a camshaft, a supply/... | 10/12/2004 |
| 6343916 | Pump body and method for making same A pump of the type comprising a substantially cylindrical body (1) in one piece provided, in its lower part, with a port (11) for admission of a product and with a valve constituted by a cavity (10) containing an element (2) capable of moving between a lo... | 02/05/2002 |
| 5903974 | Method of and apparatus for producing hollow ring groove insert for engine piston A method of and apparatus for producing a hollow ring groove insert for an engine piston, which is inserted by casting near the top of a piston for an engine to constitute a ring groove and a cooling path adjacent to the ring groove. The hollow ring groov... | 05/18/1999 |
| 5852859 | Method and apparatus for making piston rings A method and apparatus for making non-circular piston rings which will precisely sealably conform to the cylinder wall of an internal combustion engine. In accordance with the method of the invention a metal strip of special cross-sectional configuration ... | 12/29/1998 |
| 5752705 | Piston rings A piston ring being planar, having a dished section and a planform giving desired radial pressure distribution on a co-operating cylinder wall and which ring is made form a steel resistant to stress relieving at the piston ring operating temperature. The ... | 05/19/1998 |
| 5502880 | Manufacture of piston rings A machine for manufacturing piston rings from the metal strip (10). The machine comprises feeding means (12) for feeding the strip, shaping means (14, 16, 18, 20) for shaping successive portions of the strip into piston rings of a desired shape, and sever... | 04/02/1996 |
| 5304262 | Two-piece oil ring for use in internal combustion engine, steel wire of modified cross-section for use as material of the oil ring and method of producing the steel wire A two-piece oil ring, for use in an internal combustion engine, with the oil ring being made from a martensitic stainless steel material having high consisting essentially of more than 0.8 wt % but less than 0.95 wt % of C, not more than 1.0 wt % of Si, n... | 04/19/1994 |
| 5253507 | Method of forming a spacer used to space end to end piping A method of forming undulate protrusions on a split ring with the ring placed in a die to first form a center protrusion and then to form the other protrusions located between the first formed protrusion and the ring ends.... | 10/19/1993 |
| 5068963 | Piston rings In the manufacture of a piston ring an intermediate ring is produced by bending a metal strip first to a smaller radius of curvature than required and then bending the metal strip again to increase its radius of curvature. The first and further bends are ... | 12/03/1991 |
| 5016524 | Sealing arrangement for a piston in a compressor A continuous seal ring member fitted in a ring groove of a piston of a compressor. The seal ring member has a washer-like initial shape with an internal diameter smaller than an outer diameter of the piston, whereby the inner peripheral portion of the sea... | 05/21/1991 |
| 4937937 | Method for the manufacture of piston rings A method for the manufacture of piston rings from a metal strip, at least includes providing rings having a predetermined non-circular profile, by the metal strip being first bent to a uniform radius of curvature at least 2 percent less than the minimum r... | 07/03/1990 |
| 4835856 | Piston ring manufacturing method A method for manufacturing a piston ring for use in a refrigerant compressor is disclosed. The method includes the steps of disposing the piston ring in an annular groove which is formed on one end surface of a fixed holder; and pressuring the piston ring... | 06/06/1989 |
| 4799694 | Piston ring and method of making the same A piston ring assembly has an expander spring of sheet material bent into an annular configuration. The expander spring has a circumferential series of radially oriented tongues and each tongue has an approximately axially bent leg. The tongues and legs a... | 01/24/1989 |
| 4713867 | Piston rings with a gap seal A process for manufacturing a piston ring includes the step of forming a gap seal from an elongated member on one side and an "L-shape" on the other side; compressing the ring to close the gap seal and move the two ends into a nesting position; welding a ... | 12/22/1987 |
| 4085490 | Method of making a rolled metal piston ring A rolled steel oil control piston ring for internal combustion engines is of generally U-shaped cross section with a pair of opposed rigid sidewalls projecting inwardly of the ring from a central peripheral wall thereof. A pair of flat-faced solid scraper... | 04/25/1978 |
| 3991455 | Coupled piston ring method of manufacture A ring assembly includes two side-by-side flat ring members of uniform rectangular cross-section each being split, with the confronting split ends having radially overlapping fingers to define a circumferentially sealing joint. The ring members are dimens... | 11/16/1976 |
