# US 2025/0083306 A1 · Graphene-Ni-C Coated TCP: Fabrication of Graphene-C-Ni-PVA Coated Mandrel-Coiled Twisted and Coiled Polymer Fishing Line (TCPFL) for Enhanced Performance > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0083306 A1 - Document ID: US20250083306A1 - Status: Published application - Kind: A1 - Application number: 18/463,832 - Filed: 2023-09-08 - Published: 2025-03-13 - Earliest claimed: 2023-09-08 - Assignees: Toyota Motor Engineering & Manufacturing North America, Inc.; The University of Texas at Dallas; Toyota Jidosha Kabushiki Kaisha - Applicants: Toyota Motor Engineering & Manufacturing North America, Inc. - Inventors: Pawandeep Singh MATHARU; Yonas TADESSE; Yuyang SONG; Umesh GANDHI - Web page: https://patentgrep.com/patent/US20250083306A1 ## CPC - B25J 9/1075: {with muscles or tendons} - A61K 9/00: Medicinal preparations characterised by special physical form {(nuclear magnetic resonance contrast preparations or magnetic resonance imaging contrast preparations A61K49/18; preparations containing radioactive substances A61K51/12)} - A61L 27/14: Macromolecular materials - A61L 27/30: Inorganic materials - A61L 2400/12: Nanosized materials, e.g. nanofibres, nanoparticles, nanowires, nanotubes; Nanostructured surfaces - A61L 2430/30: for muscle reconstruction - B25J: MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES ({manipulators specially adapted for use in surgery A61B34/70; manipulators used in cleaning hollow articles B08B9/04}; manipulators associated with rolling mills B21B39/20; manipulators associated with forging machines B21J13/10; {manipulators associated with picking-up and placing mechanisms B23P19/007}; means for holding wheels or parts thereof B60B30/00; {vehicles with ground-engaging propulsion means, e.g. walking members B62D57/02, B62D57/032; devices for picking-up and depositing articles or materials between conveyors B65G47/90, B65G47/91; manipulators with gripping or holding means for transferring packages B65H67/065}; cranes B66C; {manipulators used in the protection or supervision of pipe-line installations F17D5/00; walking equipment adapted for nuclear steam-generators F22B37/006}; manipulators specially adapted for, or associated with, nuclear reactors G21C; {apparatus used for handling wafers during manufacture or treatment of semiconductor H10P72/50}) - A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D) - A61L: METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K) ## Abstract A nanomaterial-coated mandrel-coiled twisted and coiled polymer fishing line (TCPFL) actuator, method, and computer program product for creating the mandrel-coiled TCPFL) actuator. A plurality of mandrel-coiled TCPFL muscles may be fabricated, wherein fabricating the plurality of mandrel-coiled TCPFL muscles may include synthesizing Graphene-C-Ni-PVA solution and coating the TCPFL with the Graphene-C-Ni-PVA solution. ## Claims ### Claim 1 A method for creating a nanomaterial coated, mandrel-coiled twisted and coiled polymer fishing line (TCPFL) actuator comprising: fabricating a plurality of mandrel-coiled TCPFL muscles, wherein fabricating the plurality of mandrel-coiled TCPFL muscles includes; synthesizing Graphene-C-Ni-PVA solution; and coating the TCPFL with the Graphene-C-Ni-PVA solution. ### Claim 2 (depends on 1) The method of claim 1, wherein fabricating the plurality of mandrel-coiled TCPFL muscles further includes twisting of polymer fibers. ### Claim 3 (depends on 1) The method of claim 1, wherein fabricating the plurality of mandrel-coiled TCPFL muscles further includes incorporating a resistance wire into the plurality of mandrel-coiled TCPFL muscles. ### Claim 4 (depends on 1) The method of claim 1, wherein fabricating the plurality of mandrel-coiled TCPFL muscles further includes utilizing a mandrel coiling process. ### Claim 5 (depends on 1) The method of claim 1, wherein fabricating the plurality of mandrel-coiled TCPFL muscles further includes utilizing a thermal annealing process. ### Claim 6 (depends on 1) The method of claim 1, wherein synthesizing the Graphene-C-Ni-PVA solution includes: dissolving an amount of PVA in water to create a solution; adding Graphene powder, mesoporous C, and Ni nanoparticles to the solution; and removing supernatant from the solution. ### Claim 7 (depends on 6) The method of claim 6, wherein coating the TCPFL with the Graphene-C-Ni-PVA solution includes: placing the TCPFL in the solution; shaking the TCPFL in the solution; drying the TCPFL by placing the TCPFL in a pre-heated environment for a predetermined amount of time; and crimping the TCPFL. ### Claim 8 A computer program product residing on a computer readable storage medium having a plurality of instructions stored thereon which, when executed across one or more processors, causes at least a portion of the one or more processors to perform operations for creating a nanomaterial coated, mandrel-coiled twisted and coiled polymer fishing line (TCPFL) actuator comprising: fabricating a plurality of mandrel-coiled TCPFL muscles, wherein fabricating the plurality of mandrel-coiled TCPFL muscles includes; synthesizing Graphene-C-Ni-PVA solution; and coating the TCPFL with the Graphene-C-Ni-PVA solution. ### Claim 9 (depends on 8) The computer program product of claim 8, wherein fabricating the plurality of mandrel-coiled TCPFL muscles further includes twisting of polymer fibers. ### Claim 10 (depends on 8) The computer program product of claim 8, wherein fabricating the plurality of mandrel-coiled TCPFL muscles further includes incorporating a resistance wire into the plurality of mandrel-coiled TCPFL muscles. ### Claim 11 (depends on 8) The computer program product of claim 8, wherein fabricating the plurality of mandrel-coiled TCPFL muscles further includes utilizing a mandrel coiling process. ### Claim 12 (depends on 8) The computer program product of claim 8, wherein fabricating the plurality of mandrel-coiled TCPFL muscles further includes utilizing a thermal annealing process. ### Claim 13 (depends on 8) The computer program product of claim 8, wherein synthesizing the Graphene-C-Ni-PVA solution includes: dissolving an amount of PVA in water to create a solution; adding Graphene powder, mesoporous C, and Ni nanoparticles to the solution; and removing supernatant from the solution. ### Claim 14 (depends on 13) The computer program product of claim 13, wherein coating the TCPFL with the Graphene-C-Ni-PVA solution includes: placing the TCPFL in the solution; shaking the TCPFL in the solution; drying the TCPFL by placing the TCPFL in a pre-heated environment for a predetermined amount of time; and crimping the TCPFL. ### Claim 15 A nanomaterial coated, mandrel-coiled twisted and coiled polymer fishing line (TCPFL) actuator comprising: a plurality of mandrel-coiled TCPFL muscles, wherein the plurality of mandrel-coiled TCPFL muscles are fabricated, wherein the plurality of mandrel-coiled TCPFL muscles is coated with a synthesized Graphene-C-Ni-PVA solution. ### Claim 16 (depends on 15) The TCPFL actuator of claim 15, wherein twisting of polymer fibers is utilized to fabricate the plurality of mandrel-coiled TCPFL muscles. ### Claim 17 (depends on 15) The TCPFL actuator of claim 15, wherein the plurality of mandrel-coiled TCPFL muscles includes a resistance wire incorporated into the plurality of mandrel-coiled TCPFL muscles. ### Claim 18 (depends on 15) The TCPFL actuator of claim 15, wherein a mandrel coiling process and a thermal annealing process are utilized to fabricate the plurality of mandrel-coiled TCPFL muscles. ### Claim 19 (depends on 15) The TCPFL actuator of claim 15, wherein the Graphene-C-Ni-PVA solution is synthesized by at least one of: an amount of PVA dissolved in water to create a solution; Graphene powder, mesoporous C, and Ni nanoparticles added to the solution; and supernatant removed from the solution. ### Claim 20 (depends on 19) The TCPFL actuator of claim 19, wherein the TCPFL is coated with the Graphene-C-Ni-PVA solution by at least one of: the TCPFL placed in the solution; the TCPFL shaken in the solution; the TCPFL dried by placing the TCPFL in a pre-heated environment for a predetermined amount of time; and wherein the TCPFL is crimped.