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FR542832A - Perfectionnements aux tours, aux perçeuses et aux machines analogues - Google Patents

Perfectionnements aux tours, aux perçeuses et aux machines analogues

Info

Publication number
FR542832A
FR542832A FR542832DA FR542832A FR 542832 A FR542832 A FR 542832A FR 542832D A FR542832D A FR 542832DA FR 542832 A FR542832 A FR 542832A
Authority
FR
France
Prior art keywords
lathes
drills
similar machines
machines
similar
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)
Inventor
George William English
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 FR542832A publication Critical patent/FR542832A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
    • B23B49/04—Devices for boring or drilling centre holes in workpieces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/47—Cutting by use of rotating axially moving tool with work-infeed means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)
  • Earth Drilling (AREA)
FR542832D 1920-11-18 1921-10-28 Perfectionnements aux tours, aux perçeuses et aux machines analogues Expired FR542832A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB32544/20A GB175089A (en) 1920-11-18 1920-11-18 An improved contrivance for centering and holding handles and the like for boring
US512349A US1510771A (en) 1920-11-18 1921-11-02 Lathe, drill, and like machine

Publications (1)

Publication Number Publication Date
FR542832A true FR542832A (fr) 1922-08-22

Family

ID=26261440

Family Applications (1)

Application Number Title Priority Date Filing Date
FR542832D Expired FR542832A (fr) 1920-11-18 1921-10-28 Perfectionnements aux tours, aux perçeuses et aux machines analogues

Country Status (3)

Country Link
US (1) US1510771A (fr)
FR (1) FR542832A (fr)
GB (1) GB175089A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2477934A (en) * 1945-09-15 1949-08-02 George H Leland Boring machine
US2718402A (en) * 1950-10-28 1955-09-20 Gleason Works Chuck
US2717011A (en) * 1953-07-06 1955-09-06 George A Phinn Machine for drilling window shade rollers
US4693647A (en) * 1985-11-06 1987-09-15 Marx Sherwood D Multi-tool dowel hole drilling machine

Also Published As

Publication number Publication date
GB175089A (en) 1922-02-16
US1510771A (en) 1924-10-07

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