ES271564A1 - New sealing system with back welding for the formation of hollow and closed bodies (Machine-translation by Google Translate, not legally binding)
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New sealing system with back welding for the formation of hollow and closed bodies (Machine-translation by Google Translate, not legally binding)
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NEW SEALING SYSTEM, with subsequent welding, for the formation of hollow and closed bodies, characterized by using a flat strip of sheet metal which is split to form the body sought, subjecting it to the action of a series of forming rollers in which , and through successive operations or passes, the sheet is given an initial curvature that is accentuated progressively until it determines two planes tending to be in a common point of coincidence. (Machine-translation by Google Translate, not legally binding)
ES271564A1961-10-271961-10-27New sealing system with back welding for the formation of hollow and closed bodies (Machine-translation by Google Translate, not legally binding)
ExpiredES271564A1
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