[go: up one dir, main page]

FR84579E - Improvements to processes and devices for continuously manufacturing welded steel tubes of small dimensions - Google Patents

Improvements to processes and devices for continuously manufacturing welded steel tubes of small dimensions

Info

Publication number
FR84579E
FR84579E FR949353A FR949353A FR84579E FR 84579 E FR84579 E FR 84579E FR 949353 A FR949353 A FR 949353A FR 949353 A FR949353 A FR 949353A FR 84579 E FR84579 E FR 84579E
Authority
FR
France
Prior art keywords
processes
devices
small dimensions
welded steel
steel tubes
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.)
Expired
Application number
FR949353A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Benteler Deutschland GmbH
Original Assignee
Benteler Deutschland GmbH
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 DEB49281A external-priority patent/DE1107621B/en
Application filed by Benteler Deutschland GmbH filed Critical Benteler Deutschland GmbH
Priority to FR949353A priority Critical patent/FR84579E/en
Application granted granted Critical
Publication of FR84579E publication Critical patent/FR84579E/en
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
    • 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
    • B21B17/14—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling without mandrel, e.g. stretch-reducing mills
    • 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
    • B21C37/08—Making tubes with welded or soldered seams

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR949353A 1958-06-13 1963-10-02 Improvements to processes and devices for continuously manufacturing welded steel tubes of small dimensions Expired FR84579E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR949353A FR84579E (en) 1958-06-13 1963-10-02 Improvements to processes and devices for continuously manufacturing welded steel tubes of small dimensions

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEB49281A DE1107621B (en) 1958-06-13 1958-06-13 Equipment for the continuous production of small-caliber and thin-walled seam tubes
DEB69082A DE1179174B (en) 1958-06-13 1962-10-04 Equipment for the continuous production of small-caliber and thin-walled seam tubes
FR949353A FR84579E (en) 1958-06-13 1963-10-02 Improvements to processes and devices for continuously manufacturing welded steel tubes of small dimensions

Publications (1)

Publication Number Publication Date
FR84579E true FR84579E (en) 1965-03-05

Family

ID=27209066

Family Applications (1)

Application Number Title Priority Date Filing Date
FR949353A Expired FR84579E (en) 1958-06-13 1963-10-02 Improvements to processes and devices for continuously manufacturing welded steel tubes of small dimensions

Country Status (1)

Country Link
FR (1) FR84579E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112845670A (en) * 2021-02-06 2021-05-28 常熟市龙腾滚动体制造有限公司 PC steel bar lead control method and device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112845670A (en) * 2021-02-06 2021-05-28 常熟市龙腾滚动体制造有限公司 PC steel bar lead control method and device

Similar Documents

Publication Publication Date Title
FR1227616A (en) Improvements to processes and devices for continuously manufacturing welded steel tubes of small dimensions
FR1221041A (en) Improvements to processes and devices for continuously galvanizing the internal face of tubes
FR84579E (en) Improvements to processes and devices for continuously manufacturing welded steel tubes of small dimensions
FR1221455A (en) Improvements to metal diffusion processes
FR1203951A (en) Improvements to combustion devices, in particular for continuous flow reactors
FR1239577A (en) Surface sulfurization process of iron, steel and alloy steels
FR1154853A (en) Improvements in processes and devices for manufacturing multitubular parts
FR1207464A (en) Improvements to refining processes and devices, more particularly for steel fabrication
FR1182730A (en) Improvements in processes and devices for the production of steel
BE574974A (en) Improvements to processes and devices for continuously galvanizing the internal face of tubes
FR1203026A (en) Process improvements for the analysis of gas mixtures
FR1335661A (en) Improvements to dephosphorization processes for molten ferrous metal baths
FR1275035A (en) Improvements to metal welding processes
FR1197375A (en) Improvements in processes and devices for electric welding of steel tubes
FR1455757A (en) Steel fabrication process by pneumatic refining of liquid iron
FR1347320A (en) Iron and steel submerged arc welding process
FR1300807A (en) Improvements to oxygen lance devices for steel fabrication
FR1144319A (en) Steel desulphurization process
FR1294478A (en) Iron and steel phosphating process
BE585283A (en) Composition for arc welding of metals, and process for its manufacture.
FR1174159A (en) Process for annealing and galvanizing steel strip or similar materials
FR1313369A (en) Process and solutions for chroming iron and steel surfaces
BE611658A (en) Process and solutions for chroming iron and steel surfaces
BE582735A (en) Method and device for the production of iron and steel
FR1222350A (en) Steel making process