FR31072E - Screw Head Slitting Machine - Google Patents

Screw Head Slitting Machine

Info

Publication number
FR31072E
FR31072E FR31072DA FR31072E FR 31072 E FR31072 E FR 31072E FR 31072D A FR31072D A FR 31072DA FR 31072 E FR31072 E FR 31072E
Authority
FR
France
Prior art keywords
screw head
slitting machine
head slitting
machine
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
Other languages
French (fr)
Inventor
Edwin Spengler
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 FR31072E publication Critical patent/FR31072E/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G9/00—Working screws, bolt heads, or nuts in conjunction with thread cutting, e.g. slotting screw heads or shanks, removing burrs from screw heads or shanks; Finishing, e.g. polishing, any screw-thread
    • B23G9/001—Working screws
    • B23G9/002—Slotting screw heads or shanks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR31072D 1925-09-11 1925-09-11 Screw Head Slitting Machine Expired FR31072E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR31072T 1925-09-11

Publications (1)

Publication Number Publication Date
FR31072E true FR31072E (en) 1926-11-22

Family

ID=8668918

Family Applications (1)

Application Number Title Priority Date Filing Date
FR31072D Expired FR31072E (en) 1925-09-11 1925-09-11 Screw Head Slitting Machine

Country Status (1)

Country Link
FR (1) FR31072E (en)

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