FR1224904A -
Method and piercing rolling mill, press, for the transformation of ingots or solid bars into hollow blanks intended for the manufacture of seamless tubes
- Google Patents
Method and piercing rolling mill, press, for the transformation of ingots or solid bars into hollow blanks intended for the manufacture of seamless tubes
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.)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filedfiledCritical
Application grantedgrantedCritical
Publication of FR1224904ApublicationCriticalpatent/FR1224904A/en
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21B—ROLLING OF METAL
B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
B21B17/08—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR785698A1958-02-051959-02-03
Method and piercing rolling mill, press, for the transformation of ingots or solid bars into hollow blanks intended for the manufacture of seamless tubes
ExpiredFR1224904A
(en)
Method and piercing rolling mill, press, for the transformation of ingots or solid bars into hollow blanks intended for the manufacture of seamless tubes
Method and piercing rolling mill, press, for the transformation of ingots or solid bars into hollow blanks intended for the manufacture of seamless tubes
Process for the transformation of cast ingots or square bars into hollow bodies for the manufacture of seamless tubes and drilling presso-rolling mill for its realization.