FR771769A - Perfectionnements aux tours automatiques - Google Patents

Perfectionnements aux tours automatiques

Info

Publication number
FR771769A
FR771769A FR771769DA FR771769A FR 771769 A FR771769 A FR 771769A FR 771769D A FR771769D A FR 771769DA FR 771769 A FR771769 A FR 771769A
Authority
FR
France
Prior art keywords
automatic lathes
lathes
automatic
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
English (en)
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.)
Pratt and Whitney Co Inc
Original Assignee
Pratt and Whitney Co Inc
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 Pratt and Whitney Co Inc filed Critical Pratt and Whitney Co Inc
Application granted granted Critical
Publication of FR771769A publication Critical patent/FR771769A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B7/00—Automatic or semi-automatic turning-machines with a single working-spindle, e.g. controlled by cams; Equipment therefor; Features common to automatic and semi-automatic turning-machines with one or more working-spindles
    • B23B7/12—Automatic or semi-automatic machines for turning of workpieces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR771769D 1933-04-11 1934-04-11 Perfectionnements aux tours automatiques Expired FR771769A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US771769XA 1933-04-11 1933-04-11

Publications (1)

Publication Number Publication Date
FR771769A true FR771769A (fr) 1934-10-16

Family

ID=22136515

Family Applications (1)

Application Number Title Priority Date Filing Date
FR771769D Expired FR771769A (fr) 1933-04-11 1934-04-11 Perfectionnements aux tours automatiques

Country Status (1)

Country Link
FR (1) FR771769A (fr)

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