Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 6908589 | High manganese cast iron containing spheroidal vanadium carbide and method for making therof The purpose of the present invention is to provide high manganese cast iron containing spheroidal vanadium carbide and method for making which is nonmagnetic as well as superior mechanical properties such as wear-resistance and toughness, and further does not requir... | 06/21/2005 |
| 6617050 | Low density and high ductility alloy steel for a golf club head An alloy for golf club head include by weight 25 to 31 wt % manganese, 6.3 to 7.8 wt % aluminum, 0.65 to 0.85 wt % carbon and 5.5 to 9.0 wt % chromium, and the balance being iron. Additions of 0.8 to 1.5 wt % silicon, 2.0 to 5.0 wt % titanium, or 0.5 to 1... | 09/09/2003 |
| 6358338 | Process for manufacturing strip made of an iron-carbon-manganese alloy, and strip thus produced The invention relates to a process for producing strip made of an iron-carbon-manganese alloy, in which: a thin strip, having a thickness of 1.5 to 10 mm, is cast directly on a casting machine from a liquid metal of composition, in percentages by weight: ... | 03/19/2002 |
| 5810950 | Methods for annealing and pickling high manganic cold rolled steel sheet Methods for annealing and pickling high manganese cold rolled steel sheets for use in automobiles and electronic panels in which a superior formability and high strengths are required are disclosed. That is, the invention provides a method for annealing a... | 09/22/1998 |
| 5634990 | Fe-Mn vibration damping alloy steel and a method for making the same An Fe-Mn vibration damping alloy steel having a mixture structure of &3xb5;, ' and γ. The alloy steel consists of iron, manganese from 10 to 24% by weight and limited amounts of impurities. The alloy steel is manufactured by preparing an ingot at ... | 06/03/1997 |
| 5308408 | Austenitic wear resistant steel and method for heat treatment thereof A wear resisting steel of the Hadfield-type and method for its production are provided. This iron base alloy contains in its basic composition following alloying carbon, manganese, silicon and optionally chromium, and/or molybdenum, and/or tungsten. The m... | 05/03/1994 |
| 5290372 | Fe-Mn group vibration damping alloy manufacturing method thereof A vibration damping alloy has a mixed structure of martensite and austenite. The alloy steel is iron-based to which 14-22% by weight of manganese is added. The vibration damping alloy is manufactured by mixing electrolytic iron and manganese in a molten s... | 03/01/1994 |
| 4377422 | Hadfield's steel containing 2% vanadium An abrasion resistant heat treated austenitic manganese steel containing about 1% carbon, 13% manganese and 1.2-2.0% vanadium. The steels are heat treated so as to disperse austenitic grain boundary vanadium carbides uniformly throughout the matrix.... | 03/22/1983 |
| 4342593 | Castings Ferrous metal casting of manganese steel susceptible to austenization to develop minimum yield strength of about 75,000 psi and elongation of about 30% min. consisting essentially of: C--0.85 Mn--14 Si--0.6 Cr--4 Ni--3.6 V--0.4 balance essentially iron except ... | 08/03/1982 |
| 4290828 | Method for manufacturing bimetal A bimetal is disclosed having a high, rapid deflection over a specified temperature range, including a high expansion metal alloy component having a high thermal expansion coefficient that changes rapidy at 50×10-6 /°C. or greater at a temper... | 09/22/1981 |
