FR509249A - Perfectionnements apportés aux tours - Google Patents

Perfectionnements apportés aux tours

Info

Publication number
FR509249A
FR509249A FR509249A FR509249DA FR509249A FR 509249 A FR509249 A FR 509249A FR 509249 A FR509249 A FR 509249A FR 509249D A FR509249D A FR 509249DA FR 509249 A FR509249 A FR 509249A
Authority
FR
France
Prior art keywords
towers
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
FR509249A
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.)
ROCKFORD TOOL Co
Original Assignee
ROCKFORD TOOL 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 ROCKFORD TOOL Co filed Critical ROCKFORD TOOL Co
Application granted granted Critical
Publication of FR509249A publication Critical patent/FR509249A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B3/00—General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)
FR509249A 1918-01-18 1920-01-29 Perfectionnements apportés aux tours Expired FR509249A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US509249XA 1918-01-18 1918-01-18
GB32551/19A GB159702A (en) 1918-01-18 1919-12-29 Improvements in double bed lathes

Publications (1)

Publication Number Publication Date
FR509249A true FR509249A (fr) 1920-11-04

Family

ID=39947096

Family Applications (1)

Application Number Title Priority Date Filing Date
FR509249A Expired FR509249A (fr) 1918-01-18 1920-01-29 Perfectionnements apportés aux tours

Country Status (2)

Country Link
FR (1) FR509249A (fr)
GB (1) GB159702A (fr)

Also Published As

Publication number Publication date
GB159702A (en) 1921-03-10

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