FR557310A - Process for the manufacture of metal tubes - Google Patents

Process for the manufacture of metal tubes

Info

Publication number
FR557310A
FR557310A FR557310DA FR557310A FR 557310 A FR557310 A FR 557310A FR 557310D A FR557310D A FR 557310DA FR 557310 A FR557310 A FR 557310A
Authority
FR
France
Prior art keywords
manufacture
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)
Inventor
Ralph Charles Stiefel
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 FR557310A publication Critical patent/FR557310A/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
    • B21B23/00—Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00, e.g. combined processes planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Metal Rolling (AREA)
FR557310D 1920-06-16 1922-10-11 Process for the manufacture of metal tubes Expired FR557310A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US389348A US1474800A (en) 1920-06-16 1920-06-16 Method of making seamless tubes

Publications (1)

Publication Number Publication Date
FR557310A true FR557310A (en) 1923-08-07

Family

ID=23537885

Family Applications (1)

Application Number Title Priority Date Filing Date
FR557310D Expired FR557310A (en) 1920-06-16 1922-10-11 Process for the manufacture of metal tubes

Country Status (2)

Country Link
US (1) US1474800A (en)
FR (1) FR557310A (en)

Also Published As

Publication number Publication date
US1474800A (en) 1923-11-20

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