# US 2018/0023747 A1 · Fluid leak repair > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0023747 A1 - Document ID: US20180023747A1 - Status: Published application - Kind: A1 - Application number: 15/644,649 - Filed: 2017-07-07 - Published: 2018-01-25 - Earliest claimed: 2016-07-22 - Assignees: Enduratec Ltd. - Applicants: Enduratec Ltd - Inventors: Bruce Hutt - Web page: https://patentgrep.com/patent/US20180023747A1 ## CPC - F16L 55/1686: {by winding a tape} - F16L 55/175: by using materials which fill a space around the pipe before hardening - B29C 63/10: around tubular articles - B29C 65/484: {Moisture curing adhesives} - B29C 65/486: {characterised by their physical form being non-liquid, e.g. in the form of granules or powders (B29C65/50 takes precedence)} - B29C 65/5057: {positioned between the surfaces to be joined (B29C65/5035 takes precedence)} - B29C 66/301: {Three-dimensional joints, i.e. the joined area being substantially non-flat (B29C66/5223, B29C66/5224, B29C66/5225 take precedence)} - B29C 66/72: {characterised by the structure of the material of the parts to be joined} - B29C 66/7212: {characterised by the composition of the fibres} - B29C 66/73771: {the to-be-joined area of at least one of the parts to be joined being amorphous} - B29C 73/02: using liquid or paste-like material (B29C73/16 takes precedence) - B29C 73/10: using patches sealing on the surface of the article (B29C73/14 takes precedence) - B32B 27/08: of synthetic resin - B32B 27/12: next to a fibrous or filamentary layer - F16L 55/1003: {by introduction of paste, powder, particles, or the like} - F16L 55/18: Appliances for use in repairing pipes (F16L55/10 takes precedence) - F16L: PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL - B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00) - B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ## Abstract A fluid leak repair kit, comprising: a putty; a self-amalgamating tape; and a composite material for use in encompassing the self-amalgamating tape, said composite material comprising a flexible sheet or tape and a matrix component for binding the flexible sheet or tape, the matrix component comprising a resin or water-activated matrix component which, when cured, forms an outer shell. ## Claims ### Claim 1 A fluid leak repair kit, comprising: a putty; a self-amalgamating tape; and a composite material for use in encompassing the self-amalgamating tape, said composite material comprising a flexible sheet or tape and a matrix component for binding the flexible sheet or tape, the matrix component comprising a resin or water-activated matrix component which, when cured, forms an outer shell. ### Claim 2 (depends on 1) A kit according to claim 1, wherein said flexible sheet or tape comprises a woven material. ### Claim 3 (depends on 1) A kit according to claim 1, wherein said flexible sheet or tape comprises a fibre glass or carbon fibre material. ### Claim 4 (depends on 1) A kit according To claim 1, wherein said flexible sheet or tape is pre-impregnated with the matrix material or a component for forming the matrix material, and optionally wherein said matrix component is a polymeric water soluble or water-activated substance such as a polyurethane resin. ### Claim 5 (depends on 1) A kit according to claim 1, wherein said matrix component comprises 1,2-propaniedol, 2-ethyl-2-(hydroxymethyl), polymer with bis(isocyanatomethyl) benzene. ### Claim 6 (depends on 1) A kit according to claim 1, further comprising a stretch wrap material for placing over said composite material whilst said matrix component cures. ### Claim 7 (depends on 1) A kit according to claim 1, wherein said self-amalgamating tape comprises a silicone self-amalgamating tape. ### Claim 8 (depends on 1) A gas leak repair kit according to claim 1, wherein said putty is a non-curing putty such as silicone non-curing putty. ### Claim 9 (depends on 1) A liquid leak repair kit according to claim 1, wherein said putty is a two-part curing putty such as a two-part curing silicone putty. ### Claim 10 A method of repairing a fluid leak in a pipe or conduit, the method comprising: applying a layer of putty to said pipe or conduit at a location of said leak to seal it; wrapping, at tension, a self-amalgamating tape around said layer of putty to cover it; contacting a flexible sheet or tape with either: a resin, or water to activate a water-activated matrix component; and encompassing the self-amalgamating tape with the flexible sheet or tape such that the resin or water-activated matrix component binds with the flexible sheet or tape to form an outer shell with the flexible sheet or tape to substantially surround the joint. ### Claim 11 (depends on 10) A method according to claim 10, wherein said self-amalgamating tape is wrapped at full tension, in which its width is 75% or less of its original width. ### Claim 12 (depends on 10) A method according to claim 10, further comprising, after wrapping, at tension, a self-amalgamating tape around said layer of putty to create a high tension wrapped region, wrapping, at low tension, a further layer of said self-amalgamating tape around said high tension wrapped region to cover it. ### Claim 13 (depends on 10) A method according to claim 10, being a method of repairing a gas leak, wherein said putty is a non-curing putty such as silicone non-curing putty. ### Claim 14 (depends on 10) A method according to claim 10, being a method of liquid leak repair, wherein said putty is a two-part curing putty such as two-part curing silicone putty. ### Claim 15 (depends on 10) A method according to claim 10, wherein said flexible sheet or tape comprises a woven material. ### Claim 16 (depends on 10) A method according to claim 10, wherein said flexible sheet or tape comprises a fibre glass or carbon fibre material. ### Claim 17 (depends on 10) A method according to claim 10, wherein said flexible sheet or tape is pre-impregnated with the matrix material or a component for forming the matrix material, such as a polymeric water soluble or water-activated substance, or wherein said matrix component is a polyurethane resin. ### Claim 18 (depends on 10) A method according to claim 10, wherein said matrix component comprises 1,2-propaniedol, 2-ethyl-2-(hydroxymethyl), polymer with bis(isocyanatomethyl) benzene. ### Claim 19 (depends on 10) A method according to claim 10, further comprising wrapping a stretch wrap material over said composite material whilst said matrix component cures. ### Claim 20 (depends on 10) A method according to claim 10, wherein said self-amalgamating tape comprises a silicone self-amalgamating tape. ### Claim 21 (depends on 10) A method according to claim 10, comprising cutting lengths of said self-amalgamating tape prior to wrapping each said length self-amalgamating tape, at tension, around said layer of putty. ### Claim 22 (depends on 21) A method according to claim 21, wherein said lengths of self-amalgamating tape are cut at an angle, for example 45°.