FR494118A - Perfectionnements aux forets - Google Patents

Perfectionnements aux forets

Info

Publication number
FR494118A
FR494118A FR494118DA FR494118A FR 494118 A FR494118 A FR 494118A FR 494118D A FR494118D A FR 494118DA FR 494118 A FR494118 A FR 494118A
Authority
FR
France
Prior art keywords
drill
improvement
drill improvement
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
Stanley Joseph
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR494118A publication Critical patent/FR494118A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/62—Drilling tools having means to reinforce the shank, e.g. drills having small shanks being gripped by devices having a larger shank

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Earth Drilling (AREA)
FR494118D 1917-12-07 1918-06-28 Perfectionnements aux forets Expired FR494118A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1819517A GB119346A (en) 1917-12-07 1917-12-07 Improvements relating to Drilling Tools.

Publications (1)

Publication Number Publication Date
FR494118A true FR494118A (fr) 1919-08-30

Family

ID=32347876

Family Applications (1)

Application Number Title Priority Date Filing Date
FR494118D Expired FR494118A (fr) 1917-12-07 1918-06-28 Perfectionnements aux forets

Country Status (2)

Country Link
FR (1) FR494118A (fr)
GB (1) GB119346A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749949C (de) * 1942-03-21 1952-12-08 Bosch Gmbh Robert Hilfseinrichtung fuer Handbohrmaschinen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749949C (de) * 1942-03-21 1952-12-08 Bosch Gmbh Robert Hilfseinrichtung fuer Handbohrmaschinen

Also Published As

Publication number Publication date
GB119346A (en) 1918-10-03

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