FR510543A - Procédé de fabrication de vis à papillon - Google Patents

Procédé de fabrication de vis à papillon

Info

Publication number
FR510543A
FR510543A FR510543A FR510543DA FR510543A FR 510543 A FR510543 A FR 510543A FR 510543 A FR510543 A FR 510543A FR 510543D A FR510543D A FR 510543DA FR 510543 A FR510543 A FR 510543A
Authority
FR
France
Prior art keywords
manufacturing process
butterfly screw
screw manufacturing
butterfly
screw
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
FR510543A
Other languages
English (en)
Inventor
Gabriel Robergel
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR510543A publication Critical patent/FR510543A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/44—Making machine elements bolts, studs, or the like
    • B21K1/46—Making machine elements bolts, studs, or the like with heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K25/00—Uniting components to form integral members, e.g. turbine wheels and shafts, caulks with inserts, with or without shaping of the components

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR510543A 1919-08-22 1919-08-22 Procédé de fabrication de vis à papillon Expired FR510543A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR510543T 1919-08-22

Publications (1)

Publication Number Publication Date
FR510543A true FR510543A (fr) 1920-12-06

Family

ID=8911869

Family Applications (1)

Application Number Title Priority Date Filing Date
FR510543A Expired FR510543A (fr) 1919-08-22 1919-08-22 Procédé de fabrication de vis à papillon

Country Status (1)

Country Link
FR (1) FR510543A (fr)

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