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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Vodafone GmbH
Original Assignee
Mannesmannroehren Werke AG
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Filing date
Publication date
Application filed by Mannesmannroehren Werke AGfiledCriticalMannesmannroehren Werke AG
Application grantedgrantedCritical
Publication of FR855265ApublicationCriticalpatent/FR855265A/en
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21B—ROLLING OF METAL
B21B23/00—Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00, e.g. combined processes planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling
FR855265D1938-05-271939-05-25
Manufacturing process of seamless tubes
ExpiredFR855265A
(en)