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序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
41	Process of making composite valves	US72502424	1924-07-09	US1826549A	1931-10-06	ROBERT JARDINE

42	강관말뚝, 그의 제조방법 및 말뚝박는 방법	KR1019880012937	1988-10-04	KR1019940004906B1	1994-06-04	다데노지로오; 하시모또쇼오지; 사또오세이지
내용 없음.
43	DOWNHOLE TOOLS HAVING HYDROPHOBIC COATINGS, AND METHODS OF MANUFACTURING SUCH TOOLS	US14496124	2014-09-25	US20160090824A1	2016-03-31	James L. Overstreet; Vivekanand Sista; Bo Yu
A downhole tool for use in wellbores comprises a layer of hydrophobic material over a body, wherein the layer of hydrophobic material comprises a transition metal boride having a higher hydrophobicity than the body. The downhole tool may comprise a body having a composition and the layer of hydrophobic material comprising a discontinuous phase of the transition metal binder dispersed within a first continuous phase comprising a metal binder. The layer of material may be chemically bonded to the body. An interface between the body and the layer of material may comprise the transition metal boride dispersed within a second continuous phase comprising the metal binder and the composition of the body. Methods of forming downhole tools include forming such a layer of material at a surface of a body of a downhole tool.
44	Robotic pre-heat and inter-pass welding	US13652204	2012-10-15	US09114473B2	2015-08-25	Lance F. Guymon; Jon Kramer; Zachary Bennett; James R. Pring; Steve Carey; Brent Wessel
Disclosed is a robot pre-heat and inter-pass welding device that is capable of pre-heating and welding one or more weld joints using a single robot. Pre-heating and welding models are used to ensure that a desirable pre-heat temperature is maintained on the weld piece at the location of the weld. Infrared temperature sensors are utilized to detect temperature of the weld piece, which are transmitted to a controller, which controls the operation of both the pre-heating and welding. Multiple welds can be performed if additional time is needed for cooling, which reduces the overall time required to perform the welding process.
45	MOLTEN METAL RESISTANT COMPOSITE COATINGS	US13826798	2013-03-14	US20140272388A1	2014-09-18	Michael Knight; Cliff Garrigus; Hongbo Tian
Composite coating materials comprising a hard carbide phase and a metallic binder that are resistant to molten metals such as aluminum are disclosed. The hard carbide phase of the composite coatings may comprise tungsten carbide, and the metallic binder may comprise a nickel-based alloy. A thin oxide layer comprising oxides of the binder metal may be provided on the surface of the composite coating. The composite coatings exhibit desirable non-wetting behavior when exposed to molten metals.
46	Dilution control in hardfacing severe service components	US13315009	2011-12-08	US08828312B2	2014-09-09	Matthew Yao; Rachel Collier; Danie DeWet
Forming a wear- and corrosion-resistant coating on an industrial component such as a chemical processing or nuclear power valve component by applying a cobalt-based dilution buffer layer to an iron-based substrate by slurry coating, and then applying by welding a cobalt-based build-up layer over the cobalt-based dilution buffer layer. An industrial component having a dilution buffer layer and a welding build-up layer thereover.
47	ROBOTIC PRE-HEAT AND INTER-PASS WELDING	US13652204	2012-10-15	US20130277344A1	2013-10-24	Lance F. Guymon; Jon Kramer; Zachary Bennett; James R. Pring; Steve Carey; Brent Wessel
Disclosed is a robot pre-heat and inter-pass welding device that is capable of pre-heating and welding one or more weld joints using a single robot. Pre-heating and welding models are used to ensure that a desirable pre-heat temperature is maintained on the weld piece at the location of the weld. Infrared temperature sensors are utilized to detect temperature of the weld piece, which are transmitted to a controller, which controls the operation of both the pre-heating and welding. Multiple welds can be performed if additional time is needed for cooling, which reduces the overall time required to perform the welding process.
48	METHODS FOR REPAIRING TURBINE BLADE TIPS	US13283831	2011-10-28	US20130104397A1	2013-05-02	Ronald Scott Bunker
A method for repairing a turbine blade is described. The turbine blade usually includes a root portion; an airfoil having a pressure sidewall and a suction sidewall; and a tip disposed between the two sidewalls. The method includes the steps of removing substantially all of an upper region of the tip, and then rebuilding only a portion of the upper tip region. The portion that is rebuilt generally extends from the suction sidewall. Another embodiment is directed to a method for repairing or modifying a turbine blade that includes a squealer rim extending above both a pressure sidewall and a suction sidewall of the airfoil. The squealer rim portion that extends from the pressure sidewall is removed, while leaving in place the squealer rim portion that extends from the suction sidewall.
49	METHOD TO REDUCE CARBIDE EROSION OF PDC CUTTER	US12489715	2009-06-23	US20100000798A1	2010-01-07	Suresh G. Patel
An abrasive wear-resistant material includes a matrix and sintered and cast tungsten carbide granules. A device for use in drilling subterranean formations includes a first structure secured to a second structure with a bonding material. An abrasive wear-resistant material covers the bonding material. The first structure may include a drill bit body and the second structure may include a cutting element. A method for applying an abrasive wear-resistant material to a drill bit includes providing a bit, mixing sintered and cast tungsten carbide granules in a matrix material to provide a pre-application material, heating the pre-application material to melt the matrix material, applying the pre-application material to the bit, and solidifying the material. A method for securing a cutting element to a bit body includes providing an abrasive wear-resistant material to a surface of a drill bit that covers a brazing alloy disposed between the cutting element and the bit body.
50	Method for repairing a casting	US10428871	2003-05-02	US20040216295A1	2004-11-04	Michael D. Bridges; Leonid Chuzhoy; Christopher A. Kinney; Jose F. Leon Torres; Stephen E. Post; Robert E. Sharp
This invention relates generally to a method for repairing a casting, and more specifically to a method of repairing a casting by pouring melted filler material into a damaged portion of the original casting. Damaged cast metal components, such as a cylinder head of an internal combustion engine are repaired by preheating the component to a first preheat temperature. The damaged area of the casting is then heated to a higher temperature using a torch and melted filler material is poured into the casting. The torch is used to maintain the temperature of the melted material for thirty seconds to two minutes. The temperature of the filler material is then cooled using compressed air.
51	Method for producing hollow gas exchange valves for reciprocating engines	US619517	1990-11-29	US5126530A	1992-06-30	Heinrich Burgmer
A method produces hollow gas exchange valves, in particular with a cooling medium introduced into the hollow valve stem. The hollow of the valve stem is preferably drilled from the valve head side and, after the introduction of the cooling medium, sealed again by surfacing. A thin filling piece is inserted to a defined depth into the drilled hole temporarily holding the weld pool of the surfacing weld. By means of surfacing, it is possible to achieve cost savings over other sealing methods. The surfacing is preferably performed by a welding method in which the workpiece is not part of an electric circuit through which the welding energy flows. Preferable methods include gas welding, electron beam welding or laser welding. With these methods, so-called edge effects can be avoided.
52	Welding method for cylinder head repair	US288521	1988-12-22	US4918805A	1990-04-24	Kenneth J. Liszka; Daniel J. Dobruse; Steve E. Potopa; Charles E. Gammill; Jerry D. Gammill
A method for weld repair and rebuilding of worn and cracked diesel engine cylinder heads of the pot-type is used in railway locomotive diesel engines and the like. The method involves carefully controlled preheating, welding and cooling steps.
53	Railroad track tread repairing process	US12297849	1949-10-22	US2688180A	1954-09-07	WILLIAM MORTON; LYTLE ARTHUR R

54	Metallizing machine	US60858745	1945-08-02	US2424418A	1947-07-22	ROBERT RORY

55	Process for renovating worn flanged wheels	US69912624	1924-03-13	US1519029A	1924-12-09	ALBERT GOLLWITZER

56	METHOD FOR MANUFACTURING A HOUSING OF A TURBOMACHINE	US15762694	2016-09-01	US20180272470A1	2018-09-27	Ralf Bode; Dieter Naß
A method for manufacturing a housing of a turbomachine, in particular a housing of a radial turbo compressor. The method includes the following steps: a) providing a hollow body that is closed in a circumferential direction and extends along an axis; b) coating the inner side of the hollow body with a corrosion-resistant layer that is more resistant to corrosion than the material of the hollow body; c) dividing the hollow body into two half-shells along the axis in a separation joint plane; d) assembling the housing by joining both half-shells and fastening both half-shells in the region of the separation joints, which were created by separation, by means of detachable fastening elements.
57	IN-SPACE MANUFACTURING AND ASSEMBLY OF SPACECRAFT DEVICE AND TECHNIQUES	US15227630	2016-08-03	US20170036783A1	2017-02-09	Michael Snyder
A system for producing an object is disclosed including a build device having a build area and a material bonding component to receive portions of a material that are used to produce the object, at least one gripper within the build area to contact the object to provide support and to provide for at least one of a heat sink for the object, a cold sink for the object, and electrical dissipation path from the object, and a movement mechanism to move the build device relative to the object to position the build device at a position to further produce the object. Another system and methods are also disclosed.
58	METHOD FOR THE PRODUCTION OF A SEAMLESS, MULTILAYERED TUBULAR PRODUCT, AND ROUND OR POLYGONAL BLOCK FOR USE IN THIS METHOD	US15205674	2016-07-08	US20170009313A1	2017-01-12	MARTIN JUNKER; THOMAS VIETORIS; CHRISTIAN KRONHOLZ; ALBERT LORENTZ
In a method for the production of a seamless, multilayered tubular product, a further layer is applied through hardfacing on a base layer of a round or polygonal block, with the further layer made of a metallic material which is different than a metallic material of the base layer. The round or polygonal block with hardfaced further layer is hot formed to produce a tubular product with reduced wall thickness and outer perimeter in one or more stages. A diffusion layer is established between the base layer and the further layer through heat treatment before hot forming and/or after hot forming, thereby producing a thickness of the diffusion layer of at least 5 μm with the proviso that the thickness of the diffusion layer is 0.1% to 50% of a thickness of the further layer, with the thickness of the further layer being equal to or greater than 100 μm.
59	OXY-FUEL WELD REPAIR OF METALLIC COMPONENTS	US13865531	2013-04-18	US20140312096A1	2014-10-23	CHRISTOPHER ANTHONY KINNEY; BENJAMIN JAMES RASMUSSEN; KEGAN LUICK
A method of repairing a metallic component is disclosed. The method may include machining away a damaged first portion of the component, and machining away a second portion of the component adjacent the damaged first portion, the second portion being an area that would be subject to distortion resulting from solidification of molten weld material added to repair the damaged first portion. The method may also include inserting a dam made of a high-temperature-resistant material adjacent the machined away second portion to contain molten weld material added to the machined away second portion. Oxy-fuel welding may be performed to at least partially fill the machined away damaged first portion of the component and the machined away second portion of the component, and final machining of the welded portions may be performed.
60	Hollow steel pile, manufacturing method and pile driving method	US803703	1991-12-03	US5137394A	1992-08-11	Jiro Tateno; Masaharu Hashimoto; Seiji Satou
In the present invention are disclosed a hollow steel pile having an open extremity end with a helical projection composed of a round rod or rectangular rod of its height less than 20 mm arranged at an outer circumference of the pile or at both outer circumference of the pile and inner circumference of the pile at a length part less than ten times of s diameter of the pile, a method for fixing the inner circumferential projection and a pile execution method using such a pile as above. This hollow steel pile may preferably be used as a friction pile and a supporting pile, no vibration and noise are found during its execution of work, a better workalility is assured, a cost of execution of work is less expensive and this process is suitable for performing in a narrow site.

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