System for assembling and welding circunferential of medium and large diameter pipes and small thickness of sheet. (Machine-translation by Google Translate, not legally binding)

摘要

"SYSTEM FOR ASSEMBLY AND CIRCUNFERENTIAL WELDING OF MEDIUM AND LARGE DIAMETER TUBES AND SMALL THICKNESS OF SHEET", characterized by the provision of the assembly of the different ferrules to be assembled and welded, on an axis of suitable length, in which a number is mounted of expanding discs equal to that of joint circumferences to be made, in order to always maintain the shape of said ferrules invariable without the possibility of deformations during the different operations to be followed. (Machine-translation by Google Translate, not legally binding)