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| Number | Title | Issue Date |
| 4260447 | Continuous bag sealing machine A continuous bag sealing machine for heat sealable bags is provided. The machine includes a conveyor belt upon which the bag to be sealed is moved. The upper portion of the bag is gripped by a double pair of "V" belts and is moved through the machine to a... | 04/07/1981 |
| 4254893 | Article storage unit devices for use in vending machines An article storage unit device for use in a vending machine comprising a housing including a plurality of vertically extending article stacking spaces and a mechanism for discharging an article at one time. The device is characterized by an arrangement fo... | 03/10/1981 |
| 4230747 | Flame spray powder mix A flame spray powder mix is provided for producing metal coatings on metal substrates, such as ferrous metal substrates, e.g. steel, cast iron, among other metal substrates, the powder mix comprising agglomerates of at least one metal silicide, e.g. titan... | 10/28/1980 |
| 4230748 | Flame spray powder mix A flame spray powder mix or blend is provided for producing metal coatings on metal substrates, such as ferrous metal substrates, e.g., steel, cast iron, among other metal substrates, the powder mix comprising agglomerates of at least one oxidizable metal... | 10/28/1980 |
| 4230749 | Flame spray powder mix A flame spray powder mix is provided for producing metal coatings on metal substrates, such as ferrous metal substrates, e.g., steel, cast iron, among other metal substrates, the powder mix comprising agglomerates of silicon and at least one metal disilic... | 10/28/1980 |
| 4230750 | Metallo-thermic powder A flame spray powder mix is provided for producing coatings on metal substrates, such as substrates of steel, cast iron, non-ferrous metals, among other substrates, the powder mix comprising agglomerates of a metallo-thermic heat generating composition (i... | 10/28/1980 |
| 4228223 | Wear and corrosion resistant nickel-base alloy A nickel-base wear and corrosion resistant alloy is provided containing by weight about 20% to 35% Cr, about 1% to 8% Si, about 1.7% to 3.5% C, 0 to 15% W and the balance essentially at least about 40% nickel, the amount of carbon present in said composit... | 10/14/1980 |
| 4225768 | Coated electrode suitable for the welding of gray cast iron parts A coated electrode suitable for the welding of gray cast iron is provided comprising a core of iron or iron alloy with a coating thereon of a composition which on the dry weight basis contains 5% to 10% of a binder of an alkali metal silicate, 25% to 50% ... | 09/30/1980 |
| 4221855 | Electrophotographic plate produced by firing glass binder containing inorganic photoconductor and high melting point inorganic additive in non-reducing atmosphere A sintered high sensitive electrophotographic plate free of cracks in a photoconductive layer and exfoliation of it from a substrate can be obtained by adding an inorganic material, whose melting or softening temperature is higher than a firing temperatur... | 09/09/1980 |
| 4202691 | Metallo-thermic powder A flame spray powder mix is provided for producing coatings on metal substrates, such as substrates of steel, cast iron, non-ferrous metals, among other substrates, the powder mix comprising agglomerates of a metallo-thermic heat generating composition (i... | 05/13/1980 |
| 4201341 | Device for automatic depositing by welding An apparatus is provided for hard facing by powder flame spraying of inner surfaces of bores of relatively large workpieces difficult to mount rotatably, such as Diesel engine blocks, and the like. The apparatus comprises a stand, a carriage support pivot... | 05/06/1980 |
| 4196237 | High hardness copper-aluminum alloy flame spray powder A copper-aluminum alloy flame spray powder is provided consisting essentially by weight of 0 to about 5% Fe, about 2% to 8% Ni, about 5% to 15% Al, and the balance essentially copper, a coating produced from said powder being characterized by improved as-... | 04/01/1980 |
| 4194910 | Sintered P/M products containing pre-alloyed titanium carbide additives P/M products are provided having improved resistance to wear and abrasion by adding controlled amounts of pre-alloyed refractory carbide material to metal powders selected from the group consisting of iron-base, nickel-base, aluminum-base, copper-base and... | 03/25/1980 |
| 4191565 | Flame spray powder mix A flame spray powder mix is provided for producing metal coatings on metal substrates, such as ferrous metal substrates, e.g. steel, cast iron, among other metal substrates, the powder mix comprising agglomerates of at least one metal silicide, e.g. titan... | 03/04/1980 |
| 4190443 | Flame spray powder mix A flame spray powder mix is provided for producing metal coatings on metal substrates, such as ferrous metal substrates, e.g., steel, cast iron, among other metal substrates, the powder mix comprising agglomerates of silicon and at least one metal disilic... | 02/26/1980 |
| 4190442 | Flame spray powder mix A flame spray powder mix or blend is provided for producing metal coatings on metal substrates, such as ferrous metal substrates, e.g., steel, cast iron, among other metal substrates, the powder mix comprising agglomerates of at least one oxidizable metal... | 02/26/1980 |
| 4189317 | Flame spray powder mix A flame spray powder mix is provided for producing metal coatings on metal substrates, such as ferrous metal substrates, e.g., steel, case iron, among other metal substrates, the powder mix comprising particles of at least one metal silicide, e.g., titani... | 02/19/1980 |
| 4185136 | Coated electrodes A coated electrode is provided comprising a metal core rod and a sheath coating enveloping said rod, said sheath consisting essentially of at least one hard phase-forming element in particulate form bonded to said rod, said sheath containing an amount of ... | 01/22/1980 |
| 4174967 | Titanium carbide tool steel composition for hot-work application A sintered titanium carbide tool steel composition is provided comprising by weight about 15% to 40% primary grains of titanium carbide dispersed through a steel matrix making up the balance, the composition of said steel matrix consisting essentially by ... | 11/20/1979 |
| 4173471 | Age-hardenable titanium carbide tool steel Relates to a sintered age-hardenable titanium carbide tool steel comprising by volume about 15% to 50% primary grains of titanium carbide dispersed through a high cobalt-containing steel matrix making up the balance, said matrix consisting essentially by ... | 11/06/1979 |
| 4169053 | Method of treating waste waters containing solid-phase difficultly-soluble compounds A method is provided for treating waste water containing solids of difficultly-soluble compounds of at least one heavy metal, the method comprising the steps of adding an amount of ferrous ions to said waste water corresponding on a molar basis to about 2... | 09/25/1979 |
| 4161207 | Production of carbide laden consumables in a graphite mold A carbide laden consumable is produced using a mold having at least one U-shaped groove running along the surface thereof, the consumable being produced by charging a first layer of a powdered self-fluxing alloy into the groove, a second layer of a powder... | 07/17/1979 |
| 4155399 | Method for the continuous casting of steel slabs In processes for the continuous casting of steel slabs in which molten steel is poured continuously into the upper end of a mold having a curved mold passage and in which an embryo casting (in curved form) is withdrawn continuously from the lower end of t... | 05/22/1979 |
| 4147670 | Nonohmic ZnO ceramics including Bi2 O3, CoO, MnO, Sb2 O.sub. 3 Nonohmic ZnO ceramics including the following additives have the voltage nonlinear exponent of 30 or more, the dielectric constant &3xb5; of about 1000 or less, the loss factor (tan δ) of less than 10%, and small variations caused in the breakdow... | 04/03/1979 |
| 4144030 | Method for improving the rate and measurement accuracy of chemical analysis According to the method of this invention, liquid or solid samples are first measured inaccurately with a pipette or some other measuring instrument and the measured sample quantity is weighed. After the addition of reagents, the samples are measured by t... | 03/13/1979 |
| 4136972 | Premixer Premixing apparatus includes a number of elongated interdigitated rotors and stators. At least some of the rotors and/or stators include a first longitudinal portion with a transverse axis oriented at a first angle with respect to the horizontal axis and ... | 01/30/1979 |
| 4136230 | Wear resistant alloy coating containing tungsten carbide A method and coating material are provided for improving the wear and abrasion resistance of a composite nickel-base hard facing alloy applied to metal substrates comprising the system Ni-Cr-Si-B having dispersed therein particles comprising tungsten carb... | 01/23/1979 |
| 4125646 | Diffusion coating of magnesium in metal substrates A protective sacrificial coating is provided for metal substrates, e.g. ferrous metal substrates, such as compressor discs or blades for jet engines, the sacrificial coating comprising an intermetallic compound of magnesium with a coating metal, the coati... | 11/14/1978 |
| 4123575 | Fire-retarding epoxy resin material, method for the manufacture thereof and use thereof as coating composition A fire-retarding foam-forming epoxy resin composition is provided and a method for applying the same as a coating on a substrate, said composition comprising essentially an amine-hardened epoxy resin containing 30% to 70% by weight of said amine-hardened ... | 10/31/1978 |
| 4123587 | Method of manufacturing a finely granular concentrate of fire-retarding foam-forming solid addition substances for plastics, varnishes, coating compositions, and similar substrates A method is provided for producing a fine granular concentrate of fire-retarding, foam-forming solids for addition to host material including plastics, paints, coating compositions and the like by mixing particles of solid fire-retarding additives of part... | 10/31/1978 |
| 4119536 | Method of disposing of a ferrous-ion containing acidic aqueous waste by forming polycrystalline iron compound particles On disposing of an acidic aqueous waste including ferrous ions, the ferrous ions are oxidized to produce iron compound precipitate in a remaining waste liquid. With the temperature of the waste kept between 50° C and 75° C and with pH of the waste liqui... | 10/10/1978 |
| 4118009 | Sintered ball valve Sintered articles characterized by a surface of revolution, such as truncated spherical balls and spherical ball valves, e.g., plain spherical bearing balls, are provided made by the powder metal compaction and sintering of blanks followed, in the case of... | 10/03/1978 |
| 4114466 | Speed convertors for providing variable drive ratios A speed convertor for providing a variable drive ratio, comprises a first rotary body having a toothed rim, and a second rotary body carrying a plurality of unidirectional drive transmitting members, for exaple pawls or free wheel devices, which co-operat... | 09/19/1978 |
| 4105144 | Dispenser for insect or vermin poison A device for dispensing materials such as insecticides or repellents within a container includes an elongated enclosed member in which the materials are placed, which is attached to a surface of the container. A pull tab is provided to rupture the enclose... | 08/08/1978 |
| 4101697 | Cone like sheet for Christmas tree An artificial tree includes a vertical trunk and a number of elongated limb assemblies mounted about the circumference of the trunk so that the limb assemblies extend downwardly along and outwardly from the trunk to define a truncated cone. A frusto conic... | 07/18/1978 |
| 4095960 | Apparatus and method for the gasification of solid carbonaceous material A process and apparatus are provided for converting particulate carbonaceous fuel, such as high-sulfur bituminous coal, into a combustible gas, the process comprising forming an ignited fluidized bed of said particulate carbonaceous fuel in a closed-botto... | 06/20/1978 |
| 4094583 | Acoustooptic device An acoustooptic device using a single crystal as its acoustooptic medium consisting essentially of lead monoxide (PbO) and niobium pentoxide (Nb2 O5) in the composition ratio x by mol as 1.5 ࣘ x ࣘ 3.1 for PbO .multidot. x Nb... | 06/13/1978 |
| 4092738 | Continuous mixer Mixing apparatus includes a rotor having at least one rotor surface comprising a non-cylindrical surface of revolution about the rotor shaft axis and a stator having at least one stator surface which is substantially reciprocal in shape to the rotor surfa... | 05/30/1978 |
| 4088451 | Concentration of underground brines in situ by solar evaporation A process is provided for the recovery of chemicals, such as chlorides, sulfates, carbonates and borates of such alkali metals as sodium and potassium, among others, from underground brines associated with an ore body containing said chemicals, wherein th... | 05/09/1978 |
| 4084114 | Substrate assembly for a luminescent display panel wherein graphite powder is bound into segmented electrodes by glass containing zinc oxide A substrate assembly for a fluorescent or phosphorescent display panel comprises segmented electrodes, for deposition thereon of masses of a fluorescent or phosphorescent material, respectively, on electroconductive leads disposed on a substrate of an ele... | 04/11/1978 |
