# US 2015/0147480 A1 · Method and Device for Regenerating the Interior Surfaces of Conduits by Means of Thermal Spraying of Metals > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2015/0147480 A1 - Document ID: US20150147480A1 - Status: Published application - Kind: A1 - Application number: 14/614,976 - Filed: 2015-02-05 - Published: 2015-05-28 - Earliest claimed: 2012-05-04 - Assignees: Ingenieria y Marketing, S.A. - Applicants: IngenieríA Y Marketing, S.A. - Inventors: Héctor Dominguis Perez; Fernando Lazaro Terron; Marcelo Soto Tomas; Juan Ferre Prieto - Web page: https://patentgrep.com/patent/US20150147480A1 ## CPC - C23C 4/08: containing only metal elements (C23C4/073 takes precedence) - B05B 7/20: by flame or combustion - B05B 13/06: specially designed for treating the inside of hollow bodies (spray heads B05B1/00 - B05B7/00; {devices for covering leaks in pipes or hoses, e.g. hose-menders, from inside the pipe F16L55/162; sprayed layers of rubber or plastics for internal protection of pipes or pipe fittings against corrosion or incrustation F16L58/1027}) - B05D 1/02: performed by spraying - B05D 1/08: Flame spraying - B05D 7/22: to internal surfaces, e.g. of tubes - B05D 7/222: {of pipes} - C23C 4/12: characterised by the method of spraying - C23C 4/14: for coating elongate material - C23C 4/16: Wires; Tubes - B05D 2254/04: Applying the material on the interior of the tube - C23C: COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL (making metal-coated products by extrusion B21C23/22; covering with metal by connecting pre-existing layers to articles, see the relevant places, e.g. B21D39/00, B23K; metallising of glass C03C; metallising mortars, concrete, artificial stone, ceramics or natural stone C04B41/00; enamelling of, or applying a vitreous layer to, metals C23D; treating metal surfaces or coating of metals by electrolysis or electrophoresis C25D; single-crystal film growth C30B; by metallising textiles D06M11/83; decorating textiles by locally metallising D06Q1/04) - B05B: SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES (spray-mixers with nozzles B01F25/72; processes for applying liquids or other fluent materials to surfaces by spraying B05D) - B05D: PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL (conveying articles or workpieces through baths of liquid B65G, e.g. B65G49/02) ## Abstract A method for regeneration of internal conduit surfaces by thermal projection of metals, includes inserting a device including a vehicle having a rolling assembly to permit rolling of the vehicle and carrying a thermal projection system, through a manhole in a conduit installation, including the steps of inserting the device in a conduit with the rolling assembly in a retracted position, and expanding the rolling assembly inside the conduit until the device is centered in the conduit; inserting electrical, pneumatic and/or hydraulic conduits and conduits for supplying metal to be thermally projected, through the manhole, such that the conduits are connected with the vehicle; positioning a regeneration device including the thermal projection system connected with the vehicle by a remote-control pulling system in a particular position to be regenerated; thermally projecting metal from the regeneration device; advancing the vehicle and connected regeneration device to a new regeneration position. ## Claims ### Claim 1 Method for regeneration of internal conduit surfaces by thermal projection of metals, comprising the steps of: inserting a device carrying a thermal projection system through a manhole in a conduit installation, said device including a vehicle having a rolling assembly to permit rolling of the vehicle, such that the step of inserting includes the steps of: inserting the device in a conduit with the rolling assembly in a retracted position, and expanding said rolling assembly inside the conduit until the device is centered in said conduit; inserting at least one of electrical, pneumatic and hydraulic conduits as well as at least one conduit for supplying metal to be thermally projected, through the manhole, such that the conduits are connected with the vehicle; positioning a regeneration device including said thermal projection system connected with the vehicle by a remote-control pulling system in a particular position to be regenerated; thermally projecting metal from the regeneration device; advancing said vehicle and connected regeneration device to a new regeneration position. ### Claim 2 (depends on 1) A method according to claim 1, wherein the regeneration device is extendible, and further comprising the step of extending a support of said thermal projection system. ### Claim 3 (depends on 1) A method according to claim 1, wherein the thermal projection system comprises an operating head, and further comprising the step of aligning the operating head with respect to an orthogonal axis with respect to an axis of said conduit. ### Claim 4 (depends on 1) A method according to claim 1, further comprising the step of rotation of the thermal projection system along a surrounding annular perimeter to a maximum angle of approximately 360°. ### Claim 5 (depends on 1) A method according to claim 1, further comprising the step of picking up an image of an inside of the conduit and transmitting information of the image to a device for at least one of recording, displaying and processing the information. ### Claim 6 (depends on 1) A method according to claim 1, further comprising the step of measuring a thickness of the conduit at least one of: before the step of thermally projecting metal from the regeneration device, and after the step of thermally projecting metal from the regeneration device. ### Claim at position 7 7-17. (canceled)