FR1557285A - - Google Patents

Info

Publication number
FR1557285A
FR1557285A FR1557285DA FR1557285A FR 1557285 A FR1557285 A FR 1557285A FR 1557285D A FR1557285D A FR 1557285DA FR 1557285 A FR1557285 A FR 1557285A
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
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 filed filed Critical
Application granted granted Critical
Publication of FR1557285A publication Critical patent/FR1557285A/fr
Expired 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 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
    • B21C37/16—Making tubes with varying diameter in longitudinal direction
    • B21C37/18—Making tubes with varying diameter in longitudinal direction conical tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Manipulator (AREA)
  • Metal Extraction Processes (AREA)
FR1557285D 1967-03-10 1968-03-08 Expired FR1557285A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62216867A 1967-03-10 1967-03-10

Publications (1)

Publication Number Publication Date
FR1557285A true FR1557285A (fr) 1969-02-14

Family

ID=24493169

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1557285D Expired FR1557285A (fr) 1967-03-10 1968-03-08

Country Status (4)

Country Link
US (1) US3431764A (fr)
DE (1) DE1652598A1 (fr)
FR (1) FR1557285A (fr)
GB (1) GB1154667A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110665998A (zh) * 2019-09-02 2020-01-10 湖州久旺不锈钢制品有限公司 一种不锈钢管生产过程中的校直设备

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1602680B2 (de) * 1967-11-04 1975-08-21 Stahlwerke Brueninghaus Gmbh, 5842 Westhofen Schrägwalzvorrichtung zum Verformen des Querschnittes eines zylindrischen Metallstabes
US3727445A (en) * 1970-08-24 1973-04-17 Ashtabula Bow Socket Co Method and appatatus for forming a blank
CH575786A5 (fr) * 1972-04-12 1976-05-31 Bohner & Koehle
US4194381A (en) * 1975-07-31 1980-03-25 Balcke-Durr Aktiengesellschaft Device for the cold working of heat exchanger tubing for the attachment of spiral fins
WO1981001671A1 (fr) * 1979-12-12 1981-06-25 Bruss Polt I Procede et dispositif de fabrication de microfil
WO1981002696A1 (fr) * 1980-03-26 1981-10-01 Vnii Metallurg Mash Rectifieuse de barres rondes
US4391114A (en) * 1981-05-26 1983-07-05 Tubing Technology, Inc. Shear forming apparatus for elongated non-rotating metal tubes
US7296450B2 (en) * 2004-07-12 2007-11-20 Nippon Steel Corporation Apparatus and method for production of tapered steel pipe
JP4436199B2 (ja) * 2004-07-12 2010-03-24 新日本製鐵株式会社 テーパー鋼管の製造装置
US20070017268A1 (en) * 2005-07-20 2007-01-25 Nakata Manufacturing Co., Ltd. Metal pipe straightening method, straightening roller, and manufacturing device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US331582A (en) * 1885-12-01 Fvjachsne for making tubes from hollow ingots
US1782968A (en) * 1927-02-04 1930-11-25 Bethlehem Steel Corp Means for rolling tubes
US2432566A (en) * 1944-09-08 1947-12-16 Nat Tube Co Tapering metal tubes
US3240045A (en) * 1962-10-15 1966-03-15 Prec Sheet Metal Inc Arrangement for contouring tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110665998A (zh) * 2019-09-02 2020-01-10 湖州久旺不锈钢制品有限公司 一种不锈钢管生产过程中的校直设备

Also Published As

Publication number Publication date
US3431764A (en) 1969-03-11
DE1652598A1 (de) 1971-09-23
GB1154667A (en) 1969-06-11

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Legal Events

Date Code Title Description
ST Notification of lapse