FR616617A - Double action tapping machine - Google Patents

Double action tapping machine

Info

Publication number
FR616617A
FR616617A FR616617DA FR616617A FR 616617 A FR616617 A FR 616617A FR 616617D A FR616617D A FR 616617DA FR 616617 A FR616617 A FR 616617A
Authority
FR
France
Prior art keywords
tapping machine
double action
action tapping
double
machine
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
Paul Arnold
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 FR616617A publication Critical patent/FR616617A/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
    • B23G1/16—Thread cutting; Automatic machines specially designed therefor in holes of workpieces by taps
    • B23G1/20—Machines with a plurality of working spindles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR616617D 1926-05-25 1926-05-25 Double action tapping machine Expired FR616617A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR616617T 1926-05-25

Publications (1)

Publication Number Publication Date
FR616617A true FR616617A (en) 1927-02-05

Family

ID=8981722

Family Applications (1)

Application Number Title Priority Date Filing Date
FR616617D Expired FR616617A (en) 1926-05-25 1926-05-25 Double action tapping machine

Country Status (1)

Country Link
FR (1) FR616617A (en)

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