FR399248A - Improvements in the manufacture of steel or other metal tubes - Google Patents

Improvements in the manufacture of steel or other metal tubes

Info

Publication number
FR399248A
FR399248A FR399248DA FR399248A FR 399248 A FR399248 A FR 399248A FR 399248D A FR399248D A FR 399248DA FR 399248 A FR399248 A FR 399248A
Authority
FR
France
Prior art keywords
manufacture
steel
metal tubes
tubes
metal
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
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.)
Stewarts and Lloyds Ltd
Original Assignee
Stewarts and Lloyds Ltd
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 by Stewarts and Lloyds Ltd filed Critical Stewarts and Lloyds Ltd
Application granted granted Critical
Publication of FR399248A publication Critical patent/FR399248A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/04—Piercing presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR399248D 1908-07-24 1909-02-08 Improvements in the manufacture of steel or other metal tubes Expired FR399248A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB399248X 1908-07-24

Publications (1)

Publication Number Publication Date
FR399248A true FR399248A (en) 1909-06-25

Family

ID=1444217

Family Applications (1)

Application Number Title Priority Date Filing Date
FR399248D Expired FR399248A (en) 1908-07-24 1909-02-08 Improvements in the manufacture of steel or other metal tubes

Country Status (1)

Country Link
FR (1) FR399248A (en)

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