# US 11,898,340 B1 · Cryogenic trench/trough apparatus and method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,898,340 B1 - Document ID: US11898340B1 - Status: Granted - Kind: B1 - Application number: 17/947,254 - Filed: 2022-09-19 - Granted: 2024-02-13 - Earliest claimed: 2017-10-10 - Assignees: Waskey Bridges, Inc. - Applicants: Waskey Bridges, Inc. - Inventors: Stephen G. Benton, Jr.; Benjamin Owens; Charlie Belsom; Kevin Babin; Jon Gary - Web page: https://patentgrep.com/patent/US11898340B1 ## CPC - F16L 1/036: the pipes being composed of sections of short length (F16L1/038 takes precedence) - F16L 1/11: for the detection or protection of pipes in the ground - E02B 5/02: Making or lining canals {(linings in general E02B13/02; digging canals E02F)} - E03F 5/04: Gullies {inlets, road sinks, floor drains} with or without odour seals or sediment traps - E03F 5/0407: {Floor drains for indoor use} - F16L: PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL - E02B: HYDRAULIC ENGINEERING (ship-lifting E02C; dredging E02F) - E03F: SEWERS; CESSPOOLS ## Abstract A method of installing a trench for containing a cryogenic spill, including the step of constructing multiple precast concrete sections at a first location, each section preferably having a bottom wall and spaced apart side walls connected to and extending up from the bottom wall. Each section preferably has end portions that enable connection to another said concrete section. The method includes (at the first location) preparing multiple panels of polymeric concrete material by filling one or more molds with a slurry or liquid polymeric concrete material and after time allowing the material to cure and harden. The mold can have a cavity that is lined with a release material. At the first location, one or more of the panels can be adhered to the bottom wall and side walls of each concrete section preferably using an adhesive. After adhering of the panels to the concrete sections, the concrete sections can be transported from the first location to a second location that is remote from the first location. At the second location, the concrete sections are connected together using connections that preferably join one end portion of a concrete section to and end portion of another concrete section. An epoxy grout is preferably field applied to the connections at the second location. ## Claims ### Claim 1 A method of installing a trench for containing a cryogenic spill, comprising the steps of: a) constructing multiple precast concrete sections, each section having a bottom wall and spaced apart side walls connected to and extending up from said bottom wall; b) wherein in step “a” each section has end portions that enable connection to another said concrete section; c) providing multiple panels of cryogenic insulating material; d) adhering one or more of said panels of step “c” to the bottom wall and side walls of each said concrete section; e) connecting the concrete sections together using connections of one end portion to another end portion; and f) applying a cryogenic non-sag sealer to the connections of step “e”; and g) wherein the sealer includes an engineering cloth. ### Claim 2 (depends on 1) The method of claim 1 wherein each panel is between about one half and three inches thick. ### Claim 3 (depends on 1) The method of claim 1 wherein each panel has a generally rectangular periphery. ### Claim 4 (depends on 1) The method of claim 1 wherein at least one of the side walls has a side wall height and wherein in step “d” the panels extend vertically only part of said side wall height. ### Claim 5 (depends on 1) The method of claim 1 wherein the precast concrete sections have openings through the bottom wall at one or both of said end portions. ### Claim 6 (depends on 1) The method of claim 1 wherein the spacing is between about ½″ and 3 inches. ### Claim 7 (depends on 1) The method of claim 1, wherein the connection of the panels and the sealer create continuous cryogenic material throughout the connected concrete sections. ### Claim 8 A method of installing a trench for containing a cryogenic spill, comprising the steps of: a) constructing multiple precast concrete sections, each section having a bottom wall and spaced apart side walls connected to and extending up from said bottom wall; b) wherein in step “a” each section has end portions that enable connection to another said concrete section; c) providing multiple panels of cryogenic insulating material; d) adhering one or more of said panels of step “c” to the bottom wall and side walls of each said concrete section; e) connecting the concrete sections together using connections of one end portion to another end portion; f) applying a non-sag sealer to the connections of step “e”; g) wherein in step “e” the connection includes spacing the said end portions apart to form a gap and filling the gap with the non-sag sealer; h) wherein the seal includes a butyl rubber elastomer; and i) wherein the seal includes an engineering cloth. ### Claim 9 (depends on 8) The method of claim 8 wherein each panel is between about one half and three inches thick. ### Claim 10 (depends on 8) The method of claim 8 wherein in step “g” the sealer includes a bellow structure. ### Claim 11 (depends on 8) The method of claim 8 wherein at least one of the side walls has a side wall height and wherein in step “e” the panels extend vertically only part of said side wall height. ### Claim 12 (depends on 8) The method of claim 8 wherein the precast concrete sections have openings through the bottom wall at one or both of said end portions. ### Claim 13 (depends on 12) The method of claim 12 wherein anchor bolts extend through the openings into a foundation. ### Claim 14 (depends on 13) The method of claim 13 wherein the foundation is concrete. ### Claim 15 (depends on 8) The method of claim 8, wherein the seal includes one or more layers of the butyl rubber elastomer and the engineering cloth. ### Claim 16 (depends on 8) The method of claim 8 wherein the connection of the panels and the seal create continuous cryogenic material throughout the connected concrete sections. ### Claim 17 A method of installing a trench for containing a cryogenic spill, comprising the steps of: a) constructing multiple precast concrete sections, each section having a bottom wall and spaced apart side walls connected to and extending up from said bottom wall; b) wherein in step “a” each section has end portions that enable connection to another said concrete section; c) providing multiple panels of cryogenic insulating material; d) adhering one or more of said panels of step “c” to the bottom wall and side walls of each said concrete section; e) connecting the concrete sections together using connections of one end portion to another end portion; f) wherein in step “e” the connection includes spacing the said end portions apart to form a gap and filling the gap with a seal; g) wherein the seal includes a butyl rubber elastomer; and h) wherein the seal includes an engineering cloth. ### Claim 18 (depends on 17) The method of claim 17, wherein the seal includes one or more layers of the butyl rubber elastomer and the engineering cloth. ### Claim 19 (depends on 17) The method of claim 17, wherein the connection of the panels and the seal create continuous cryogenic material throughout the connected concrete sections.