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FR747810A - Process, machine and tool for manufacturing screw drive members and screws comprising said members - Google Patents

Process, machine and tool for manufacturing screw drive members and screws comprising said members

Info

Publication number
FR747810A
FR747810A FR747810DA FR747810A FR 747810 A FR747810 A FR 747810A FR 747810D A FR747810D A FR 747810DA FR 747810 A FR747810 A FR 747810A
Authority
FR
France
Prior art keywords
members
screws
tool
machine
screw drive
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
Gaston-Emile Simon
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 FR747810A publication Critical patent/FR747810A/en
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
    • B21K1/463—Making machine elements bolts, studs, or the like with heads with recessed heads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR747810D 1932-10-18 1932-10-18 Process, machine and tool for manufacturing screw drive members and screws comprising said members Expired FR747810A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR747810T 1932-10-18

Publications (1)

Publication Number Publication Date
FR747810A true FR747810A (en) 1933-06-24

Family

ID=9148150

Family Applications (1)

Application Number Title Priority Date Filing Date
FR747810D Expired FR747810A (en) 1932-10-18 1932-10-18 Process, machine and tool for manufacturing screw drive members and screws comprising said members

Country Status (1)

Country Link
FR (1) FR747810A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3363500A (en) * 1965-03-10 1968-01-16 Nat Screw & Mfg Company Screw
USD311483S (en) 1986-11-14 1990-10-23 Helen P. Espin Screw driver bit
USD312034S (en) 1986-11-14 1990-11-13 Helen P. Espin Screw driver bit
US5224402A (en) * 1990-09-05 1993-07-06 Sandvik Aktiebolag Screw and screwdriver therefor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3363500A (en) * 1965-03-10 1968-01-16 Nat Screw & Mfg Company Screw
USD311483S (en) 1986-11-14 1990-10-23 Helen P. Espin Screw driver bit
USD312034S (en) 1986-11-14 1990-11-13 Helen P. Espin Screw driver bit
US5224402A (en) * 1990-09-05 1993-07-06 Sandvik Aktiebolag Screw and screwdriver therefor

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