FR373949A - Method and apparatus for manufacturing seamless circles - Google Patents

Method and apparatus for manufacturing seamless circles

Info

Publication number
FR373949A
FR373949A FR373949DA FR373949A FR 373949 A FR373949 A FR 373949A FR 373949D A FR373949D A FR 373949DA FR 373949 A FR373949 A FR 373949A
Authority
FR
France
Prior art keywords
circles
manufacturing seamless
seamless
manufacturing
seamless circles
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
Jean-Marie Rivolier
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.)
JEAN MARIE RIVOLIER
Original Assignee
JEAN MARIE RIVOLIER
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 JEAN MARIE RIVOLIER filed Critical JEAN MARIE RIVOLIER
Application granted granted Critical
Publication of FR373949A publication Critical patent/FR373949A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00—Making articles shaped as bodies of revolution

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR373949D 1906-03-31 1906-03-31 Method and apparatus for manufacturing seamless circles Expired FR373949A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR373949T 1906-03-31

Publications (1)

Publication Number Publication Date
FR373949A true FR373949A (en) 1907-05-30

Family

ID=1420623

Family Applications (1)

Application Number Title Priority Date Filing Date
FR373949D Expired FR373949A (en) 1906-03-31 1906-03-31 Method and apparatus for manufacturing seamless circles

Country Status (1)

Country Link
FR (1) FR373949A (en)

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