FR1576793A - - Google Patents

Info

Publication number
FR1576793A
FR1576793A FR1576793DA FR1576793A FR 1576793 A FR1576793 A FR 1576793A FR 1576793D A FR1576793D A FR 1576793DA FR 1576793 A FR1576793 A FR 1576793A
Authority
FR
France
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.)
Expired
Application number
Other languages
French (fr)
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 DE1967M0075115 external-priority patent/DE1279600B/en
Application filed filed Critical
Application granted granted Critical
Publication of FR1576793A publication Critical patent/FR1576793A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B21/00—Pilgrim-step tube-rolling, i.e. pilger mills
    • B21B21/005—Pilgrim-step tube-rolling, i.e. pilger mills with reciprocating stand, e.g. driving the stand
    • 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
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes 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
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
    • B21C37/202—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with guides parallel to the tube axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
FR1576793D 1967-08-03 1968-08-02 Expired FR1576793A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEM0075032 1967-08-03
DE1967M0075115 DE1279600B (en) 1967-08-11 1967-08-11 Process and roll calibration for rolling seamless tubes with external longitudinal ribs

Publications (1)

Publication Number Publication Date
FR1576793A true FR1576793A (en) 1969-08-01

Family

ID=25988073

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1576793D Expired FR1576793A (en) 1967-08-03 1968-08-02

Country Status (4)

Country Link
US (1) US3566655A (en)
JP (1) JPS4842542B1 (en)
FR (1) FR1576793A (en)
GB (1) GB1193390A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3688540A (en) * 1969-07-29 1972-09-05 Superior Tube Co Tube rolling mill employing a tapered mandrel and a cluster of rolls that each have specially designed tube contacting grooves
GB1557872A (en) * 1976-09-15 1979-12-12 Shevchenko A A Others method of continuous tube rolling and rolling mill therefor
JP5183084B2 (en) * 2007-03-14 2013-04-17 株式会社 クニテック Cylindrical product, manufacturing method and manufacturing apparatus thereof

Also Published As

Publication number Publication date
GB1193390A (en) 1970-05-28
JPS4842542B1 (en) 1973-12-13
US3566655A (en) 1971-03-02

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Legal Events

Date Code Title Description
ST Notification of lapse