A repair apparatus comprising a pressurized air inlet, an air regulator, a positioning ram, a repair material container, at least one window, a flexible seal, a shut off valve, a pop off relief valve, a ram seating attachment, a light, a supply nozzle, a pop off valve attachment fitting, an air regu
A repair apparatus comprising a pressurized air inlet, an air regulator, a positioning ram, a repair material container, at least one window, a flexible seal, a shut off valve, a pop off relief valve, a ram seating attachment, a light, a supply nozzle, a pop off valve attachment fitting, an air regulator attachment fitting, a repair flow control, a supply nozzle attachment fitting, a seal, a compression nut, an optional pressure plate, an air hose, a repair material reservoir, a pressure plate nozzle clearance, material supply containers, pumps, feeder lines, a mixing tee, and check valves.
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I claim: 1. A repair apparatus for use inside a pipe comprising: a) a pressurized air inlet; b) an air regulator; c) a walled housing adapted to seal against an inside surface of said pipe; d) a supply nozzle; wherein the air regulator regulates a first air pressure within the walled housing suffic
I claim: 1. A repair apparatus for use inside a pipe comprising: a) a pressurized air inlet; b) an air regulator; c) a walled housing adapted to seal against an inside surface of said pipe; d) a supply nozzle; wherein the air regulator regulates a first air pressure within the walled housing sufficiently for air pressure to stop ground water inflow, when ground water is present, as well as to force repair material into a cracked surface; and an opening, said opening surrounded by a sealing surface, wherein the supply nozzle can be manipulated up and down, in and out, and left and right within said housing while said sealing surface maintains a seal with said cracked surface, for placement of repair material pumped at a second pressure higher than said first pressure through the grout container through the supply nozzle, at least one observation window and a light in the housing, enabling an operator to observe movement of the nozzle along a crack as material flows into the crack. 2. The repair apparatus of claim 1 further wherein said seal is a flexible seal that serves to co-operate with the air regulator in maintaining air pressure required to stop ground water inflow into said housing, when ground water is present, as well as to force repair material into the crack in a surface, reducing the volume of air flow that would otherwise be required; and wherein the seal is a replaceable seal so the seal can be installed as required to conform to a given surface to be repaired. 3. The repair apparatus of claim 1 further comprising a ram seating attachment to enable placement of a ram as a brace between the repair apparatus and an inside portion of a pipe, holding the repair apparatus in position against said first pressure. 4. The repair apparatus in claim 1 wherein the repair apparatus is used as a concrete repair apparatus using grout as the repair material and wherein a plate is installed to cover said opening, wherein said plate has a single hole to allow the nozzle to apply repair material through said plate. 5. A surface repair apparatus for repairing a crack in a pipe comprising; a) a pressurized air inlet; b) a grout supply; c) a pressurized supply nozzle; wherein the repair apparatus includes a housing having an opening and a sealing surface surrounding the opening, said supply nozzle connected to said grout supply; said nozzle is movable within said housing to reach a plurality of points in said opening; said pressurized air inlet supplying pressurized air to said housing to maintain a first high pressure in said housing and said opening such that grout placed on a crack covered by said opening will flow from said nozzle at a second pressure higher than said first high pressure and from said first high pressure in said housing through said crack towards a lower pressure outside said pipe and such that when said crack is exposed within said opening and said sealing surface is pressed against said work surface to establish a seal and said supply nozzle is free to move to a plurality of points along said crack while said housing is stationary and said seal is maintained at least one observation window and a light in the housing, enabling an operator to observe movement of the nozzle along a crack as material flows into the crack. 6. The surface repair apparatus of claim 5 wherein said seal includes a radiused surface adapted to fit against an interior surface of a pipe and wherein said first pressure will stop ground water inflow. 7. The surface repair apparatus of claim 5 including a positioning ram adapted to hold said opening against said surface such that said seal is sealed against said surface against said first pressure. 8. The surface repair apparatus of claim 5 wherein the supply nozzle passes through a second seal in a wall of said repair apparatus. 9. The surface repair apparatus of claim 5 wherein the apparatus includes a light adjacent said opening. 10. The surface repair apparatus of claim 5 wherein said grout supply includes two liquid parts mixed at a mixing T and wherein a plate is installed inside said housing to cover said opening, wherein said plate has a single hole to allow the nozzle to apply repair material through said plate. 11. A pipe repair apparatus comprising; a supply of flowable repair material and a pressurized supply nozzle; wherein the repair apparatus includes a pressurized housing pressurized at a first pressure and an opening in said housing and a seal surrounding the opening, said supply nozzle connected to said supply of flowable repair material, said nozzle, supplying material at a second pressure higher than said first pressure, and said nozzle is movable within said housing along an inside pipe surface to apply flowable material to a plurality of points on said inside pipe surface exposed in said opening at least one observation window and a light in the housing, enabling an operator to observe movement of the nozzle along a crack as material flows into the crack. 12. The repair apparatus of claim 11 wherein said apparatus includes a window in said housing adjacent said opening. 13. The repair apparatus of claim 12 wherein said seal includes a seal surface adapted to sealingly fit against said inside pipe surface and wherein a plate is installed inside said housing to cover said opening, wherein said plate has a single hole to allow the nozzle to apply repair material through said plate. 14. The repair apparatus of claim 13 including a positioning ram adapted to hold said opening against said inside pipe surface against said first pressure such that said seal is sealed against said surface.
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이 특허에 인용된 특허 (16)
Cohen John H. (Houston TX) Leitko Curtis E. (Houston TX) Pittard Gerard T. (Houston TX) Clifton Terry P. (Houston TX) Rockower Gerald (Brooklyn NY), Apparatus and method for supporting pipe main repair tools in an excavation.
Addison Mark K. (Fort Worth TX) Campbell William F. (Fort Worth TX) Panno Ralph J. (Grapevine TX), Apparatus for injecting a chemical barrier into a surface aperture.
St. Onge Henri S. (Unit 2 ; 1600 Brimley Rd. Scarborough ; Ontario CAX), Apparatus having a tubular inflatable bladder and a grout dispensing nozzle for connecting lateral branches to a relined.
Humphreys Edward G. (8165 Oak Moss Dr. Cordova TN 38018) Rice Robert D. (1629 Kimbrough Rd. Germantown TN 38138), Method of repairing underground pipe.
Pendleton,Kevin D.; Cherico,Stephen D., Methods for repairing a refractory wall of a high temperature process vessel utilizing viscous fibrous refractory material.
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