JPS5087950A - - Google Patents

Info

Publication number
JPS5087950A
JPS5087950A JP49116852A JP11685274A JPS5087950A JP S5087950 A JPS5087950 A JP S5087950A JP 49116852 A JP49116852 A JP 49116852A JP 11685274 A JP11685274 A JP 11685274A JP S5087950 A JPS5087950 A JP S5087950A
Authority
JP
Japan
Prior art keywords
tube
mandrel
concentric
placed over
die
Prior art date
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.)
Pending
Application number
JP49116852A
Other languages
English (en)
Japanese (ja)
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
Priority claimed from DE19732351316 external-priority patent/DE2351316A1/de
Priority claimed from DE19732352746 external-priority patent/DE2352746A1/de
Application filed filed Critical
Publication of JPS5087950A publication Critical patent/JPS5087950A/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/30—Finishing tubes, e.g. sizing, burnishing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
    • B23D79/12—Machines or devices for peeling bars or tubes making use of cutting bits arranged around the workpiece, otherwise than by turning

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Metal Extraction Processes (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Turning (AREA)
JP49116852A 1973-10-12 1974-10-12 Pending JPS5087950A (enExample)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19732351316 DE2351316A1 (de) 1973-10-12 1973-10-12 Verfahren zum herstellen von nahtlosen metallischen rohren
DE19732352746 DE2352746A1 (de) 1973-10-20 1973-10-20 Vorrichtung zum herstellen von nahtlosen metallischen rohren

Publications (1)

Publication Number Publication Date
JPS5087950A true JPS5087950A (enExample) 1975-07-15

Family

ID=25765937

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49116852A Pending JPS5087950A (enExample) 1973-10-12 1974-10-12

Country Status (4)

Country Link
JP (1) JPS5087950A (enExample)
FI (1) FI296774A7 (enExample)
FR (1) FR2247298A1 (enExample)
IT (1) IT1021759B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61293609A (ja) * 1985-06-19 1986-12-24 Kobe Steel Ltd 金属押出用ホロービレットのスカルピング方法およびスカルピング装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61293609A (ja) * 1985-06-19 1986-12-24 Kobe Steel Ltd 金属押出用ホロービレットのスカルピング方法およびスカルピング装置

Also Published As

Publication number Publication date
FI296774A7 (enExample) 1975-04-13
IT1021759B (it) 1978-02-20
FR2247298A1 (en) 1975-05-09

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