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FR620076A - Process for obtaining internally reinforced seamless steel tubes - Google Patents

Process for obtaining internally reinforced seamless steel tubes

Info

Publication number
FR620076A
FR620076A FR620076DA FR620076A FR 620076 A FR620076 A FR 620076A FR 620076D A FR620076D A FR 620076DA FR 620076 A FR620076 A FR 620076A
Authority
FR
France
Prior art keywords
seamless steel
steel tubes
internally reinforced
obtaining
reinforced seamless
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
Paul Denis
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 FR620076A publication Critical patent/FR620076A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B21/00Pilgrim-step tube-rolling, i.e. pilger mills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR620076D 1925-12-19 1925-12-19 Process for obtaining internally reinforced seamless steel tubes Expired FR620076A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR620076T 1925-12-19

Publications (1)

Publication Number Publication Date
FR620076A true FR620076A (en) 1927-04-14

Family

ID=8984158

Family Applications (1)

Application Number Title Priority Date Filing Date
FR620076D Expired FR620076A (en) 1925-12-19 1925-12-19 Process for obtaining internally reinforced seamless steel tubes

Country Status (1)

Country Link
FR (1) FR620076A (en)

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