improved procedure for the repair of damage localized to carried out through application of the armour with a protective sheath interposed

摘要

method of repair of damage localized to carried out through the application of a cylindrical shell formed of two cylindrical semigusci welded between them creating a crawl space.that is made airtight with the application of forced against the circular edge seals the shell, through the injection of resin with high pressure in the crawl space.