FR705794A - Improvements to tapping devices - Google Patents

Improvements to tapping devices

Info

Publication number
FR705794A
FR705794A FR705794DA FR705794A FR 705794 A FR705794 A FR 705794A FR 705794D A FR705794D A FR 705794DA FR 705794 A FR705794 A FR 705794A
Authority
FR
France
Prior art keywords
tapping devices
tapping
devices
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
Ralph Eugene Rich
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 FR705794A publication Critical patent/FR705794A/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
    • B23G1/18—Machines with one working spindle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR705794D 1930-11-15 1930-11-15 Improvements to tapping devices Expired FR705794A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR705794T 1930-11-15

Publications (1)

Publication Number Publication Date
FR705794A true FR705794A (en) 1931-06-12

Family

ID=9067404

Family Applications (1)

Application Number Title Priority Date Filing Date
FR705794D Expired FR705794A (en) 1930-11-15 1930-11-15 Improvements to tapping devices

Country Status (1)

Country Link
FR (1) FR705794A (en)

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