Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
United States Steel Corp
Original Assignee
United States Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by United States Steel CorpfiledCriticalUnited States Steel Corp
Priority to ES0334570ApriorityCriticalpatent/ES334570A3/en
Publication of ES334570A3publicationCriticalpatent/ES334570A3/en
Process for preparing a coating in concrete pipes, continuous and integral on the internal surface of said concrete pipes, characterized in that it comprises to disintegrate into particles a resinous composition consisting of an epoxy resin, a fraction of coal tar containing pitch and sufficient material containing finely divided silica to give the composition a mastic consistency and projecting said particles directly onto said inner surface with sufficient force to deform the surface of the pipe; impregnate such a surface and penetrate it while the concrete is still in a wet and unhealed state, and then cure the concrete and set the resin to form said solid coating. (Machine-translation by Google Translate, not legally binding)
ES0334570A1966-12-161966-12-16Procedure for preparing a covering of concrete pipes. (Machine-translation by Google Translate, not legally binding)
ExpiredES334570A3
(en)
Procedure for the manufacture of bricks and artificial slabs from mineral components and curable organic agglomerates. (Machine-translation by Google Translate, not legally binding)
Composition based procedure for covering the surface of molds and boards contacted for the hardening of materials such as cement, concrete and similar materials. (Machine-translation by Google Translate, not legally binding)
A procedure for the obtaining of a putty for the insurance of a threaded nozzle joint between carbon electrodes. (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of a rough mixture with a mineral filling material for the manufacture of refractory molding bodies. (Machine-translation by Google Translate, not legally binding)
Procedure for the manufacture of pieces of composite materials, especially based on agglutinants and fibers (Machine-translation by Google Translate, not legally binding)