Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 7185619 | Rocker arm and method of manufacturing the same A rocker arm 1 made of sheet metal is formed so that Vickers hardness Hv of the surface layer portion 9a of the valve stem receiver 9 is set at Hv 650 to 800 and a quantity of the retained austenite γR is set at 25 ... | 03/06/2007 |
| 6800144 | Process for producing retainer for constant velocity joint possessing improved machinability and flexural strength Disclosed is a process for producing a retainer for a constant velocity joint for automobiles or the like, which has improved flexural strength properties without sacrificing the machinability, using a steel corresponding to SCr 415 (JIS) or SCM 415 (JIS). This prod... | 10/05/2004 |
| 6746546 | Low temperature nitriding salt and method of use A composition for nitrocarburizing stainless steel parts and a method for producing a nitride or hard case on such parts using the composition, are provided. The composition includes alkali metal cyanate and alkali metal carbonate, wherein the cyanate ion is present... | 06/08/2004 |
| 6641680 | Process for producing inner race for constant velocity joint having improved workability and strength Disclosed is a process for producing an inner race for a constant velocity joint comprising the steps of: providing a steel comprising by weight carbon 0.10 to 0.25%, silicon 0.03 to 0.15%, manganese 0.20 to 0.60%, sulfur 0.003 to 0.030%, chromium 1.00 to... | 11/04/2003 |
| 5944916 | Method of heat treatment for steel A method of heat treating steel for use in transmission gears of a vehicle including the steps of carburizing the steel to 900-950° C. quenching the carburizing steel at 830-850° C., reheating the steel with ammonia gas to a temperature of 800-900° C.,... | 08/31/1999 |
| 5336338 | Bearing components and process for producing same A bearing component is prepared from a carburazing steel and having a surface hardness of 63 to 67 in terms of Rockwell hardness C and a surface retained austenite content of at least 20% to less than 25%. The bearing component is produced by a process in... | 08/09/1994 |
| 4853046 | Ion carburizing A heat treat process is disclosed for use in an ion glow discharge chamber for carburizing ferrous workpieces. The process provides rapid carburizing cycles by optimizing the power supplied to the glow discharge correlated to temperature and desired unifo... | 08/01/1989 |
