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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De Wendel et Cie SA
Original Assignee
De Wendel et Cie SA
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Application filed by De Wendel et Cie SAfiledCriticalDe Wendel et Cie SA
Priority to ES0242286ApriorityCriticalpatent/ES242286A1/es
Publication of ES242286A1publicationCriticalpatent/ES242286A1/es
Shaping Of Tube Ends By Bending Or Straightening
(AREA)
Abstract
Máquina para fabricar tubos por enrollamiento en hélice de una banda y soldadura de las espiras unas con otras, que comprende rodillos formuladores entre los que pasa la banda y medios de soldadura de las espirar y que está caracterizada por el hecho de que comprende, además, a continuación de los rodillos formadores, rodillos calibradores colocados sensiblemente según una hélice de igual paso que la formada por la banda y que son tangentes exteriormente al tubo.
ES0242286A1958-06-061958-06-06Maquina para fabricar tubos
ExpiredES242286A1
(es)