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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bundy Tubing Co
Original Assignee
Bundy Tubing Co
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Filing date
Publication date
Application filed by Bundy Tubing CofiledCriticalBundy Tubing Co
Publication of ES237564A1publicationCriticalpatent/ES237564A1/es
Procedimiento de fabricación de tubos de paredes dobles, caracterizado por comprender el colocar una tira de material, con bordes laterales separados, en el interior de una sección de tubo y el reducir el diámetro de dicho tubo hasta que los bordes laterales mencionados se colocan en relación de contigüidad de las caras.
ES0237564A1956-09-131957-09-12Procedimiento de fabricacion de tubos de paredes dobles
ExpiredES237564A1
(es)