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 FR878949ApublicationCriticalpatent/FR878949A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21B—ROLLING OF METAL
B21B21/00—Pilgrim-step tube-rolling, i.e. pilger mills
B21B21/06—Devices for revolving work between the steps
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Forging
(AREA)
FR878949D1941-01-301942-01-30Procédé permettant d'assurer la progression des ébauches de tubes dans les laminoirs à pas de pélerin
ExpiredFR878949A
(fr)