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...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7442225 | High strength high toughness Mo alloy worked material and method for production thereof The present invention provides a worked molybdenum-alloy material that can be used at higher temperatures than at least temperatures at which known TZM alloys are used. A worked molybdenum-alloy material having high strength and high toughness includes at lea... | 10/28/2008 |
| 7442261 | Iron-base alloy containing chromium-tungsten carbide and a method of producing it In a method of producing an iron-based alloy containing chromium carbide, pieces of cemented carbide are added to an iron-based melt containing carbon, e.g. cast iron. Chromium, which regulates the solution of WC into the melt, is also added. The molten alloy is the... | 10/28/2008 |
| 7361235 | Method for producing dispersed oxide reinforced ferritic steel having coarse grain structure and being excellent in high temperature creep strength A method of manufacturing an oxide dispersion strengthened ferritic steel excellent in high-temperature creep strength having a coarse grain structure. The method comprises mixing alloy powders and an Y2O3 powder, subjecting the mixed powder to... | 04/22/2008 |
| 7063821 | Apparatus for production of molybdenum carbide Apparatus for producing molybdenum carbide from a precursor material includes a supply of process gas and a furnace defining at least a first heating zone and a second heating zone. The furnace heats the first heating zone to a first temperature and the second heati... | 06/20/2006 |
| 6969430 | Process and apparatus for producing atmosphere for high productivity carburizing This invention is directed to a process and apparatus for producing high productivity carburizing. A process is introduced that uses a gas mixture made up of CO, H2, CO2, H2O, CH4 and N2, such that the product o... | 11/29/2005 |
| 6908691 | Metal strip for epitaxial coatings and method for the production thereof The aim of the invention is to provide a metal strip for epitaxial coating with a biaxially textured layer, this metal strip, however, being able to be produced in an uncomplicated manner and having a high tensile strength, low magnetic losses and/or a high electric... | 06/21/2005 |
| 6471790 | Process for strengthening the grain boundaries of a component made from a Ni based superalloy The invention relates to a process for the forming of precipitates of carbides and borides along the grain boundaries of an component made from an Ni based superalloy while in solid state. This follows from the finding that the carbides formed by carburiz... | 10/29/2002 |
| 6260266 | Method of forming wire interconnection wire A silicon substrate on which a silicon dioxide film having a groove is formed is placed on a sample stage disposed in a vacuum chamber. Subsequently, a titanium film and a tungsten film are deposited sequentially on the silicon dioxide film. The surface o... | 07/17/2001 |
| 5908486 | Strengthening of metallic alloys with nanometer-size oxide dispersions Austenitic stainless steels and nickel-base alloys containing, by wt. %, 0.1 to 3.0% V, 0.01 to 0.08% C, 0.01 to 0.5% N, 0.05% max. each of Al and Ti, and 0.005 to 0.10% O, are strengthened and ductility retained by atomization of a metal melt under cover... | 06/01/1999 |
| 5746803 | Metallic-carbide group VIII metal powder and preparation methods thereof A transition metal carbide-Group VIII metal powder comprising discrete particles of a transition metal carbide and Group VIII metal wherein: substantially all of the particles have a size of at most 0.4 micrometer; the transition metal carbide is selected... | 05/05/1998 |
| 5531922 | Granulated particles for magnetic particles for magnetic recording, and process for producing the same Disclosed herein are granulated particles for magnetic particles for magnetic recording, comprising: acicular ferric hydroxide oxide particles or acicular iron oxide particles; and at least one selected from the group consisting of semisynthetic starch an... | 07/02/1996 |
| 5498299 | Process for avoiding surface oxidation in the carburization of steels The surface oxidation under carburization temperatures of steels during the carburization with carbon-containing gas mixtures is avoided by heating the steels to the carburization temperature under a nitrogen/hydrogen mixture or pure hydrogen. For carburi... | 03/12/1996 |
| 5336292 | Titanium-based carbonitride alloy with wear resistant surface layer A sintered body of titanium-based carbonitride alloy according to the invention comprises carbonitride hard constituents in 5-25% binder phase where the hard constituents contain, in addition to Ti, one or more of the metals Zr, Hf, V, Nb, Ta, Cr, Mo and/... | 08/09/1994 |
| 5336291 | Method of production of a metallic composite material incorporating metal carbide particles dispersed therein In order to produce easily and at low cost a metallic composite material incorporating metal carbide particles dispersed therein such that fine TiC particles and/or ZrC particles are uniformly dispersed in a matrix of Al or Al alloy, first, a pellet (16) ... | 08/09/1994 |
| 5324366 | Heat treat furnace system for performing different carburizing processes simultaneously A heat treat furnace system 20 for heat treating metal workpieces includes a rotary carburizing chamber 24 containing a carburizing atmosphere, a cooling chamber 40A or 40B adjacent the carburizing chamber 24, a gas barrier device 50 cooperating with the ... | 06/28/1994 |
| 5294264 | Method of nitriding refractory metal articles A method of nitriding a refractory-nitride forming metal or metalloid articles and composite articles. A consolidated metal or metalloid article or composite is placed inside a microwave oven and nitrogen containing gas is introduced into the microwave ov... | 03/15/1994 |
| 5192485 | Continuous annealing line having carburizing/nitriding furnace A continuous annealing line for annealing a cold-rolled strip of a ultra-low-carbon steel comprising a heating furnace for heating the strip which is fed continuously, with or without a soaking furnace following the heating furnace, a cooling furnace in w... | 03/09/1993 |
| 5154779 | Method of nitriding, carburizing, or oxidizing refractory metal articles using microwaves A method of nitriding an article of refractory-nitride-forming metal or metalloids. A consolidated metal or metalloid article is placed inside a microwave oven and nitrogen containing gas is introduced into the microwave oven. The metal or metalloid artic... | 10/13/1992 |
| 5094699 | Method of producing a high strength and hard metallic composite layer material A method of manufacturing high strength and hard metallic composite layer materials by connecting several metal layers with one another, includes forming the metal layers as flat products by rolling from a metal with low base strength, alloying and harden... | 03/10/1992 |
| 4612045 | Method for making aluminum nitride powder A method for making an aluminum nitride powder comprises atomizing a molten aluminum into a nitriding atmosphere of N2 gas of elevated temperature and solidifying the finely divided liquid particles of aluminum which have been nitrided.... | 09/16/1986 |
| 4540447 | Method of making a multigrip fastener and fastener made thereby This disclosure relates to swage type fasteners including a pin having a plurality of combination locking and breakneck grooves and a collar adapted to be swaged into the grooves with one of the grooves acting as a breakneck whereby the excess length of p... | 09/10/1985 |
| 4464207 | Dispersion strengthened ferritic stainless steel Through-nitrided light gage ferritic stainless steels having a dispersion of metal-nitride particles at an interparticle spacing of less than about 10 microns. The resulting material has substantially improved strength at room and elevated temperatures ov... | 08/07/1984 |
| 4381955 | Gold based electrical contact materials, and method therefor There is presented gold based contact materials fabricated by internal carization and method therefor. Carburizable refractory elements are carburized by internal carburization by exposing a gold based solid solution containing the refractory element to ... | 05/03/1983 |
| 4207120 | Production of metal compacts The invention relates to the continuous production of steel compacts in strip form from as-atomized stainless steel powder. A porous green compact of stainless steel powder having a carbon content not exceeding 0.06% by weight is through-carburized to rai... | 06/10/1980 |
| 4047981 | Internally nitrided ferritic stainless steel strip, sheet and fabricated products and method therefor Internally nitrided ferritic stainless steel cold reduced strip and sheet and products fabricated therefrom having an elevated temperature creep strength and oxidation resistance superior to AISI Type 316 austenitic stainless steel, and good room temperat... | 09/13/1977 |
| 4043839 | Internal nitridation of cobalt-base superalloys A method of internally nitriding and thereby strengthening cobalt-base superalloys having at least 33% cobalt, up to 0.15% carbon, no more than 25% nickel and from 1 to 3% of nitride forming elements from the group consisting of titanium, vanadium, niobiu... | 08/23/1977 |
| 4004891 | Superalloys containing nitrides and process for producing same Superalloys containing uniform dispersions of at least 0.1 volume percent of a metal nitride improve qualities of superalloys. These superalloys are produced from superalloy powders by a nitridng process utilizing a controlled atmosphere for controlled ti... | 01/25/1977 |
| 3982970 | Ductility of molybdenum and its alloys The workability of a Group VIA metal, such as molybdenum, or an alloy of a Group VIA metal is improved by heat treating the Group VIA metal or alloy of the Group VIA metal in an environment for causing particles to be formed in the Group VIA metal or allo... | 09/28/1976 |
| 3966511 | Process for the manufacture of anti-abradant elements A method for reducing abrasion between interacting moving parts which comprises applying an anti-abradant element between said moving parts which anti-bradant element will increase in dimensional proportions upon exposure to oxidation, sulphation, nitrati... | 06/29/1976 |
