FR503224A - Automatic threading machine - Google Patents

Automatic threading machine

Info

Publication number
FR503224A
FR503224A FR503224A FR503224DA FR503224A FR 503224 A FR503224 A FR 503224A FR 503224 A FR503224 A FR 503224A FR 503224D A FR503224D A FR 503224DA FR 503224 A FR503224 A FR 503224A
Authority
FR
France
Prior art keywords
threading machine
automatic threading
automatic
machine
threading
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
FR503224A
Other languages
French (fr)
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.)
Devlieg Bullard Inc
Original Assignee
National Acme Co
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 National Acme Co filed Critical National Acme Co
Application granted granted Critical
Publication of FR503224A publication Critical patent/FR503224A/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
    • B23G1/00—Thread cutting; Automatic machines specially designed therefor
    • B23G1/02—Thread cutting; Automatic machines specially designed therefor on an external or internal cylindrical or conical surface, e.g. on recesses
    • B23G1/04—Machines with one working-spindle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR503224A 1919-06-16 1919-06-16 Automatic threading machine Expired FR503224A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR503224T 1919-06-16

Publications (1)

Publication Number Publication Date
FR503224A true FR503224A (en) 1920-06-05

Family

ID=8906968

Family Applications (1)

Application Number Title Priority Date Filing Date
FR503224A Expired FR503224A (en) 1919-06-16 1919-06-16 Automatic threading machine

Country Status (1)

Country Link
FR (1) FR503224A (en)

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