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Class 264/36.2 - Hydro-set material (e.g., cement, concrete, plaster board, etc.)


Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes under subclass36.18,
No. of patents: 73
Last issue date: 11/23/2010


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NumberTitleIssue Date
7837906Systems and methods for treating air chambers in aeration basins of wastewater treatment facilities
An air plenum tank comprising a plurality of outlets aerate and agitate wastewater in a liquid treatment facility through the use of high pressured air creating cracks on the floor of the air plenum tank. Advantageously, the cracks are sealed using a system and meth...
11/23/2010
7306687Method for repairing steel-reinforced concrete structure
A method for repairing concrete structural elements reinforced with steel rebar includes steps of: removal of debris and rust; attachment of expanded mesh zinc metal for sacrificial passive corrosion protection; and overwrapping with flexible panels of fiber-reinfor...
12/11/2007
6994809Plug for and method of patching a hole in a wall
A hole in a wall is easily and quickly repaired by use of a precisely formed plug. The plug is used to draw an outline around the hole. The outline is then cut out to form an opening. The plug is inserted into the opening until a rear surface of the plug loosely con...
02/07/2006
6986853Carbon nanotube fiber-reinforced composite structures for EM and lightning strike protection
A method for repairing fiber-reinforced composite structures while maintaining original EM and lightning protection using carbon nanotubes, fibers, and thermoset resins is disclosed. According to one embodiment of the invention, the method comprises preparing a dama...
01/17/2006
6890461Method of reinforcing concrete electric pole
In a method of reinforcing an existing concrete electric pole having an annular side wall, an inner hollow portion provided therein and an opening portion formed to a position of the annular side wall to be penetrated therethrough, at least one of a predetermined am...
05/10/2005
6869553Method for forming a precast brick riser
A method of manufacturing a prefabricated precast riser module, where the required forms that are used in casting the modules are reusable and need not to be transported to the construction site. Each precast riser assembly is finished having brick facings. Brick fa...
03/22/2005
6843242Method for consolidating natural stone blocks
A method is described for repairing and consolidating a natural stone block (1), with internal fractures and structural discontinuities, in which around the block (1) a coating (2, 3, 4) is applied that wraps the block (1) below and along...
01/18/2005
6833091Method for injecting of foamed concrete and a foamed concrete
A method for stabilizing gravel, sand, crushed stone, rock and concrete structures which have cracks by injecting a pumpable, low viscous aqueous aerated concrete with a pore volume of at least 20% by volume into the cracks at a low pressure and then increasing the ...
12/21/2004
6755925Method 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...
06/29/2004
6737000Method for mixing, combining and dispensing reactive two component materials using a rotary stop cock
A method of separately storing, mixing, combining and dispensing reactive two component materials by employing the use of a rotary stop cock that is formed so that in a first selected position it can separate a plurality of compartments, in a second selected positio...
05/18/2004
6716293Wallboard with fly ash
A composition used in making wallboard is provided. The composition requires at least fly ash, water and a first binder. The composition is located between two members that together form the wallboard. In one embodiment, at least the first binder is part of a foamab...
04/06/2004
6416692Sewer system pipe repairs
A method of repairing leaking underground pipes, particularly gravity-flow sewer pipes, without excavation, by using a flexible liner tube containing a fluid under sufficient pressure to exclude groundwater, while forcing a fluid sealant material into lea...
07/09/2002
6416693Method of strengthening an existing reinforced concrete member
Parallel spaced shallow grooves are cut within the surface of an existing reinforced concrete member in the direction of bending and at locations where existing tensile reinforcing is inadequate. A curable polymer adhesive resin, such as an epoxy resin, i...
07/09/2002
6309493Method for filling cracks in a concrete structure with foamable polyurethane prepolymer
A method for filling cracks in concrete surfaces using a one-component, hydrophilic polyurethane prepolymer without the addition of any granular impregnating agents The prepolymer is provided in a hand-held aerosol container and is injected into the crack...
10/30/2001
6219991Method of externally strengthening concrete columns with flexible strap of reinforcing material
A method of repairing and strengthening a concrete column includes wrapping a flexible strap of reinforcing material circumferentially around the exterior of a concrete column and longitudinally along at least a portion of the height of the concrete colum...
04/24/2001
6156248Method for putty application
A method and apparatus for applying putty and filler material to fill a hole in a surface. The apparatus includes a transparent and flexible plastic template that is impervious to the solvents and chemicals used in construction and painting. The template ...
12/05/2000
6123879Method of reinforcing a concrete structure
A structural member for reinforcement of asphalt and concrete roadways and other products, and which includes a gridwork of warp strands and weft strands which are disposed at right angles to each other and so as to define an open structure. In one embodi...
09/26/2000
5958312Process for the partial reconstruction of the refractory lining of the wall of steel casting ladles
It was difficult until now to carry out intermediate repairs of monolithic refractory lining walls of steel casting and handling ladles when the slag area of the lining was worn before other areas. According to this new process for reconstructing the refr...
09/28/1999
5894003Method of strengthening an existing reinforced concrete member
Parallel spaced grooves are cut within the surface of an existing reinforced concrete member in the direction of bending and at locations where existing tensile reinforcing is inadequate. Elongated reinforcing elements, such as composite rods with continu...
04/13/1999
5792394Animal pen slat repair method
There is disclosed concrete form apparatus comprising three elongated panels with sides hingedly connected and a method of using such apparatus to enable one to repair reinforced concrete slats in the floor of an animal pen by breaking away the concrete o...
08/11/1998
5771557Concrete internal metal stitching
An internal metal stitching method for repairing cracks in concrete comprising the steps of cutting slots to facilitate metal stitching brackets installed in saw cuts every two feet and at alternating angles to the crack. The concrete is marked using a st...
06/30/1998
5645772Refractory ceramic mass for lining the bottoms of electric arc furnaces and process for their repair
A process for repairing bottom linings of D.C. arc furnaces. A refractory ceramic mass is used for lining the bottoms of D.C. arc furnaces in the area of metallic electrodes placed therein, wherein the refractory ceramic mass comprises one or more refract...
07/08/1997
5607527Method of making fabric reinforced concrete columns to provide earthquake protection
Reinforced concrete columns wherein the exterior surface of the concrete column is wrapped with a composite reinforcement layer. The composite reinforcement layer includes at least one fabric layer which is located within a resin matrix. The fabric layer ...
03/04/1997
5529729Process for producing the refractory lining of a casting ladle
A process for producing an inner refractory lining of a ladle or metallurgical vessel for casting steel. The inner refractory lining incorporates wall passages with conical nozzle bricks and/or bubble bricks. The inner lining is produced by using a thixot...
06/25/1996
5511762Consumable form with degradable lining
A method of manufacturing an open top, walled member for containing a molten metal, including the steps of forming an inner wall of a mold with a metal sheet and an inner lining covering the sheet, wherein the inner wall defines an inside surface of the w...
04/30/1996
5482248Mold for manufacturing metal containment vessels
A mold for forming an open top, walled member having side walls and a bottom surface for containing a molten metal. The mold including an inner screen having a plurality of openings having inner side walls and a bottom surface. The mold further includes a...
01/09/1996
5330690Process and apparatus for renewing the refractory lining of foundry ladles
A process for renewing the refractory lining of a ladle for casting steel and of similar metallurgical vessels. While the ladle (10) is still hot, the slag (S) still adhering to the inner surface (26) is melted off from the remaining lining (2) with the a...
07/19/1994
5312526Method for increasing or decreasing bond strength between concrete and embedded steel, and for sealing the concrete-to-steel interface
A process for adjusting the steel-to-concrete bond strength in a hardened concrete structure having embedded steel elements. A source of DC voltage, preferably in the range of 5-40 volts, is connected at its negative side to the embedded steel and at its ...
05/17/1994
5253957Method of stopping leak in in-ground concrete structure
In a method of stopping a leak of ground-water in an in-ground concrete structure, a through-hole is drilled in the in-ground concrete structure at a position adjacent to a leak portion, and after that a filler material containing a fine-grain slag cement...
10/19/1993
5246641Method for lining a pipe with a cement mortar
An improved method for lining a section of pipe with a cement mortar. After a wet cement mortar has been applied to a cleaned interior surface of a pipe, carbon dioxide is introduced into the freshly lined section of the pipe in such quantity that a crust...
09/21/1993
5227112Method of making concrete switch cross ties
A switch cross tie is made in a mold having a base plate formed with a plurality of holes in a predetermined pattern corresponding to a particular type of concrete switch cross tie by first overlying the entire base plate of a mold with a covering sheet p...
07/13/1993
5217658Method for repairing a hot-blast long-time cupola furnace
A method for repairing a hot-blast, long-time cupola furnace by removing residual slag and relining the cupola furnace including feeding liquid nitrogen to the cupola furnace immediately at the end of a smelting operation and simultaneously with the feedi...
06/08/1993
5186949Filler injector for filling cracks in concrete
The present invention relates to a filler injector for applying a filler to crevices in concrete surfaces. The injector has a transparent outer tube having scale markings thereon to indicate the pressure of any filler backing up from the surface and an ad...
02/16/1993
5176869Method of manufacturing an inner lined pipe
A method of manufacturing an inner lined pipe in which a lining layer is formed to the inner circumferential surface of a pipe using a centrifugal molding method, wherein a resin mortar material and a hardening agent for lining are mixed at the top end of...
01/05/1993
5173222Repairing rail ties
A method for repairing eroded concrete rail ties. An abrasion resistant composition incorporating a curable binder is applied to the eroded rail seat and cured by the application of pressure and heat. A gas fired heating plate with a release surface is pr...
12/22/1992
5128075Ceramic welding repair process
A method of repairing an eroded refractory wall pierced by one or more openings using a ceramic welding technique. A member of shape substantially complementary to the desired shape of the repaired opening is placed into each opening so that the member pr...
07/07/1992
5108790Methods of applying compositions of no mix compounds
Dry cementitious compositions and packages and methods for their application. The dry compositions do not have to be mixed with water but instead are poured, sprayed or troweled onto a substrate which contains water in an amount in excess of that necessar...
04/28/1992
5063006Methods for repairing cracks in concrete structures
Cracks in concrete structures are repaired by attaching over the crack a series of cutoff agent-sealing members having a predetermined open area and volume necessary for filling the crack. A blowing resin is introduced under pressure into internal chamber...
11/05/1991
5043033Process of improving the strength of existing concrete support columns
In a concrete column supporting an overhead load and having a base end resting on a surface, a process of strengthening the column to increase its ability to withstand atypical physical loading accompanying an earthquake, involving the steps of defining a...
08/27/1991
5032197Cast-in-place manhole liner method
The present method includes casting a poured concrete liner in an existing manhole with a protective acid resistant plastic material covering the interior surface of the newly poured concrete liner. A plurality of arcuate form panels are assembled into a ...
07/16/1991
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