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Patent AT-E400768-T1: [Translated] METHOD FOR RENOVATING BRANCHES OF SEWER PIPES

Published by National Center for Biotechnology Information (NCBI) | U.S. Department of Health & Human Services | Catalog Last Checked: September 10, 2026 at 07:48 PM | Dataset Last Updated: September 06, 2025
Process for restoration of the leaking walls of sewer pipe branches by press coating of the inner pipe walls with UV or light hardenable polyester, vinyl ester, or flexible fiber tubing impregnated with epoxide resin, where the inner wall periphery is coated with adhesive. The polyester is vinyl ester or epoxide resin prestrengthened by thickening and the adhesive is polyurethane resin.

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