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.)
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PPG Industries Ohio Inc
Original Assignee
PPG Industries Inc
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Filing date
Publication date
Priority claimed from US08/102,596external-prioritypatent/US5531047A/en
Application filed by PPG Industries IncfiledCriticalPPG Industries Inc
Publication of CA2208277A1publicationCriticalpatent/CA2208277A1/fr
Application grantedgrantedCritical
Publication of CA2208277CpublicationCriticalpatent/CA2208277C/fr
Impiego di un profilato estruso in avanti, preferibilmente chiuso, nonche' profilato cavo, e procedimento per la produzione di una lamiera con sezione a gradini, con spessore differenziato.
Method for manufacturing a tubular sheet metal beam having corbelled-out end sections and a sheet metal beam manufactured in accordance with the method