AT207651B -
Hydraulic metal extrusion press with a displaceable mandrel intended for the production of pipes or other hollow workpieces
- Google Patents
Hydraulic metal extrusion press with a displaceable mandrel intended for the production of pipes or other hollow workpieces
Info
Publication number
AT207651B
AT207651BAT470158AAT470158AAT207651BAT 207651 BAT207651 BAT 207651BAT 470158 AAT470158 AAT 470158AAT 470158 AAT470158 AAT 470158AAT 207651 BAT207651 BAT 207651B
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Filing date
Publication date
Application filed by Loewy Eng Co LtdfiledCriticalLoewy Eng Co Ltd
Application grantedgrantedCritical
Publication of AT207651BpublicationCriticalpatent/AT207651B/en
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C23/00—Extruding metal; Impact extrusion
B21C23/21—Presses specially adapted for extruding metal
B—PERFORMING OPERATIONS; TRANSPORTING
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
AT470158A1957-07-121958-07-03
Hydraulic metal extrusion press with a displaceable mandrel intended for the production of pipes or other hollow workpieces
AT207651B
(en)
Pressing mandrel, slotted lengthways and coaxially arranged in a die, for the production of lead pipes with an intermediate wall running in the longitudinal direction