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| Number | Title | Issue Date |
| 7419543 | Metal fiber concrete A mixture of metal fiber concrete based on cement, granular elements and water, comprising metal fibers whose diameter ranges from 1.15 mm to 1.8 mm, wherein the form coefficient thereof is between 35 and 45. The dosing of metal fibers is at least 80 kg/m3 | 09/02/2008 |
| 7402203 | High-wearing-resistant composite material comprising steel-based shot and method for producing said material A composite material is obtained by mixing with water 100 parts in weight of binder, between 250 and 800 parts in weight of steel-based shot having a granulometric distribution comprised between 120 jim and 3000 jim, between 10 and 15 parts in weight of non-densifie... | 07/22/2008 |
| 7393406 | In situ formation of chloride sequestering compounds The present invention provides methods and compounds for the in situ formation in concrete of chloride sequestering compounds that resist corrosion of metals contained within the concrete. These chloride sequestering compounds may include, but are not limited to, co... | 07/01/2008 |
| 7285167 | Fiber reinforced concrete/cement products and method of preparation Concrete and/or cement products and mixes with reinforcing carbon graphite fibers having a length of about 2½ inches to about 3½ inches, and/or nano and/or micron sized carbon fibers, and a method of reinforcing concrete. ... | 10/23/2007 |
| 7185472 | Concrete-based material, and method of applying the same A concrete-based mortar is prepared for application on the exterior of a concrete building or other structure. The drying time of the concrete-based mortar is reduced by addition of an accelerant compound. After the concrete-based mortar sets on the building or othe... | 03/06/2007 |
| 7147708 | Fiber gel mixture for use in cementicious products The present invention relates to a thickened aqueous solution, or gel solution, for use in providing fiber to a cement composition. Additionally, the present invention relates to a method for adding fibers to cement. ... | 12/12/2006 |
| 7135053 | Brittle formed product and iron-based power material and method for manufacturing these materials Cotton-like aggregates (B) including grinding chips from an iron-based metal and a grinding fluid containing oil and water are compression molded for forming a brittle compact (C) having the fibrous grinding chips roughly sheared and excessive water and oil removed ... | 11/14/2006 |
| 7125441 | Corrosion inhibiting materials for reducing corrosion in metallic concrete reinforcements A corrosion inhibiting composition for use in reinforced concrete structures, the inhibitor composition reducing the rate of corrosion in metallic reinforcing rods placed within the structures. The composition includes a combination of one or more corrosion inhibiti... | 10/24/2006 |
| 7101429 | Method of resisting corrosion in metal reinforcing elements contained in concrete and related compounds and structures The present invention provides methods for resisting corrosion of metal elements in concrete, and associated compounds and structures. Acid mine drainage sludge is used as a source of a precursor compound that reacts with a source of anion to form a chloride-sequest... | 09/05/2006 |
| 7060128 | Method of resisting corrosion in metal reinforcing elements contained in concrete and related compounds and structures In some embodiments, alternate sources of aluminum or calcium are provided in various ways including the desired compounds. The further object of the present invention contemplate in situ creation of the compound in interest in fresh concrete and as a slurry which c... | 06/13/2006 |
| 7011764 | Method for producing a magnetic device A magnetic device and method for making it involve a magnetic device specifically constructed of grains in a matrix. The matrix may be cement or plaster. The grains have an average diameter that is greater than their magnetic domains. The device may be applied to sh... | 03/14/2006 |
| 7008462 | Thermal spray compositions for abradable seals A thermal spray composition and method of deposition for abradable seals for use in gas turbine engines, turbochargers and steam turbines. The thermal spray composition includes a solid lubricant and a ceramic preferably comprising 5 to 60 wt % total of the composit... | 03/07/2006 |
| 6907708 | Lightweight wall construction A low or no fines lightweight concrete mixture. The mixture comprises one part by volume of a cementitious binder, 2-10 parts inert coarse aggregate, a cement additive in an amount of 0.05 to 0.3% by weight of the cementitious binder and an effective amount of water... | 06/21/2005 |
| 6881256 | Fire-resistant high performance concrete composition The invention concerns the use of organic fibers having a melting point lower than 300° C., an average length l more than 1 mm and a diameter Ø not more than 200 μm, in ultra high performance concrete for improving the concrete fire resistance, the amount of orga... | 04/19/2005 |
| 6858075 | Thin concrete repair composition for alkali-aggregate reaction affected concrete A cement repair composition is provided for repairing thin concrete. The composition comprises, in weight percentages: fine aggregates, 50-80%; Portland cement, 10-20%; reinforcing fibers such as polyethylene, steel and fiberglass fibers, 0-5%; and a plurality of fu... | 02/22/2005 |
| 6610138 | Method of resisting corrosion in metal reinforcing elements contained in concrete and related compounds and structures A method of resisting corrosion in concrete containing metal elements is provided. It includes introducing into fresh concrete, containing metal elements, at least one compound capable of sequestering chloride ions. The method may also involve employing a... | 08/26/2003 |
| 6235108 | Steel fiber for reinforcement of high-performance concrete A steel fiber (10) for reinforcement of high-performance concrete or mortar has a length ranging from 3 mm to 30 mm, a thickness ranging from 0.08 mm to 0.30 mm, and a tensile strength greater than 2000 MPa. The steel fiber is provided with anchorages (12... | 05/22/2001 |
| 6080234 | Composite concrete An ultra-high performance composite concrete, with low cement and fiber content and having good mechanical properties as well as good impacts, shocks and projectile protection properties, includes hydraulic binder, aggregates, an admixture of metal fibers... | 06/27/2000 |
| 5989460 | Electrically conductive coating An electrically conductive floor coating comprising a ferroalloy containing layer including particles of ferroalloy interspersed with a resinous binder.... | 11/23/1999 |
| 5871668 | Corrosion resistant buffer system for metal products A system is disclosed for inhibiting the corrosion of ferrous and other metals by passivating the metals. The system includes novel buffered compositions which may be applied to metal products for preventing or retarding corrosion and methods for applying... | 02/16/1999 |
| 5762702 | Mechanical disintegration of whole discarded tires used as aggregates for concrete compositions Whole waste tires are shredded and ground down to particulates and used as aggregates for concrete compositions in the construction field.... | 06/09/1998 |
| 5685902 | Carbon fiber-reinforced concrete and method for preparing the same A carbon fiber-reinforced concrete containing a cement, a coarse aggregate, a fine aggregate, a carbon fiber and water, the carbon fiber having an average length not less than the maximum size of the coarse aggregate and also a tensile strength of at leas... | 11/11/1997 |
| 5636492 | Construction element A construction element has a thickness substantially less than at least one of its other dimensions. In terms of weight, the construction element is comprised of more than 50% plastic and less than 50% pieces of metal band. The pieces of metal band are si... | 06/10/1997 |
| 5626664 | Waste treatment process In a process for the treatment of at least one mixture of solid and liquid waste substances which contains at least one metal such as Fe and/or compounds thereof, for example oxides, the mixture occurring in a condition in which it can be used at least on... | 05/06/1997 |
| 5538552 | Waste treatment process In a process for the treatment of at least one mixture of solid and liquid waste substances which contains at least one metal such as Fe and/or compounds thereof, for example oxides, the mixture occurring in a condition in which it can be used at least on... | 07/23/1996 |
| 5522926 | Method and a composition for preparing concrete elements having remarkable compressive strength and fracture energy, and elements obtained thereby A method and composition for preparing concrete elements comprising the steps of mixing a composition comprising the following components expressed in parts by weight (p): a) 100 p of Portland cement; b) 30 p to 100 p or better 40 p to 70 p of fine sand having... | 06/04/1996 |
| 5503670 | Metal fiber concrete compositions for molding concrete elements, elements obtained and curing process A metal fiber concrete composition for molding a concrete element, the composition being essentially constituted by a Portland cement, granular elements, fine elements for pozzolan reaction, metal fibers, a dispersing agent, optionally other additives, an... | 04/02/1996 |
| 5346547 | Method of making concrete electrically conductive for electromagnetic shielding purposes Method and apparatus for making electrically conductive concrete articles ed for electromagnetic shielding, the invention also includes the articles of manufacture formed according to the method. Concrete articles formed according to the method of the inv... | 09/13/1994 |
| 5162059 | Discontinuous fiber made of drawn steel wire, and a fiber composite containing said fiber A discontinuous drawn steel wire fiber for incorporation in a fiber composite, in particular a cement material, the fiber being made from a length of steel wire which is shaped so that the fiber is contained in a plane and, in said plane, is in the config... | 11/10/1992 |
| 5114487 | Cementitious composition and making concrete therefrom A cementitious composition comprises a ground sulfoaluminous clinker, a ground Portland cement clinker (preferably rapid hardening Portland cement clinker), calcium sulfate, aggregate (especially sand and a coarse aggregate such as granite) and metal (e.g... | 05/19/1992 |
| 4979992 | Compact reinforced composite A compact reinforced composite comprising a matrix (A) with a reinforcement (B) embedded therein, the matrix (A) being a composite structure comprising a base matrix (C) which is reinforced with reinforcing bodies (D) in the form of fibers. The transverse... | 12/25/1990 |
| 4930428 | Cement composition comprising sodium tripolyphosphate and process for forming shaped articles therefrom Improved cement compositions having greater strength, density, and lesser porosity, than concretes previously known are provided, which are prepared with water which been treated so as to comprise a residual amount of sodium tripolyphosphate. Methods of f... | 06/05/1990 |
| 4891071 | Cementitious composite material with vacuum integrity at elevated temperatures The temperatures at which the cementitious composite materials described in U.S. Pat. No. 4,482,385 can be used as tool or mold materials are extended by a treatment which comprises heating said composite materials to a temperature sufficient to expel fre... | 01/02/1990 |
| 4830669 | Method of producing and applying mortar A method of producing and applying a cement-containing composition such as a concrete and mortar broadly used in civil, construction and various other fields is disclosed. To prepare the mortar or the like, a hydration reaction of cement and water is caus... | 05/16/1989 |
| 4762562 | Method of preparing and molding mortar or like A method of preparing and molding a hydraulic cement-containing composition such as concrete or mortar is disclosed, which can be extensively utilized in the fields of civil engineering, construction projects, or the like. In the preparation of a hydrauli... | 08/09/1988 |
| 4599211 | Thermal treatment of concretes containing stainless steel The strength of the stainless steel containing cementitious composite material of U.S. Pat. No. 4,482,385 is improved by curing it according to a specific schedule which includes the steps of curing in a mold, steam curing after demolding, slow drying and... | 07/08/1986 |
| 4584327 | Environmentally compatable high density drilling mud, cement composition or blow-out fluid An environmentally compatible high density drilling, blow-out control fluid, or cement composition is provided wherein densities between twenty-four (24) and forty (40) pounds per gallon can be achieved. Such preferred fluid is aqueous based, uses a non-t... | 04/22/1986 |
| 4540438 | Ferrosilicon aggregate for concrete and resins A floor topping, mortar and grout which include ferrosilicon in particle form. The ferrosilicon increases the wear resistance and impact strength of the topping, mortar or grout without the oxidation or discoloration normally attributable to materials whi... | 09/10/1985 |
| 4482385 | Cementitious composite material with stainless steel particulate filler A cementitious composite material exhibiting a unique combination of high strength, vacuum integrity and thermal properties. Objects made of the material may be cast from mixtures in which a major constituent is a filler which consists of stainless steel ... | 11/13/1984 |
| 4388116 | Passivation of sponge iron Sponge iron pellets are protected against re-oxidation by pre-wetting them with water or steam, coating them with a pulverulent passivating agent which is a mixture of iron oxide particles and hydraulic cement particles, then drying the treated pellets. E... | 06/14/1983 |
