FR490202A - Improvements to drilling tools - Google Patents

Improvements to drilling tools

Info

Publication number
FR490202A
FR490202A FR490202DA FR490202A FR 490202 A FR490202 A FR 490202A FR 490202D A FR490202D A FR 490202DA FR 490202 A FR490202 A FR 490202A
Authority
FR
France
Prior art keywords
drilling tools
drilling
tools
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
Augustin Picquenot
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.)
AUGUSTIN PICQUENOT
Original Assignee
AUGUSTIN PICQUENOT
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 AUGUSTIN PICQUENOT filed Critical AUGUSTIN PICQUENOT
Application granted granted Critical
Publication of FR490202A publication Critical patent/FR490202A/en
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
    • B23B51/0018—Drills for enlarging a hole

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR490202D 1918-05-22 1918-05-22 Improvements to drilling tools Expired FR490202A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR490202T 1918-05-22

Publications (1)

Publication Number Publication Date
FR490202A true FR490202A (en) 1919-04-09

Family

ID=1526364

Family Applications (1)

Application Number Title Priority Date Filing Date
FR490202D Expired FR490202A (en) 1918-05-22 1918-05-22 Improvements to drilling tools

Country Status (1)

Country Link
FR (1) FR490202A (en)

Similar Documents

Publication Publication Date Title
FR497186A (en) Improvements to drills and other drilling tools
FR490690A (en) Improvements to drilling tools
FR511156A (en) Improvements to tool shafts
FR490202A (en) Improvements to drilling tools
FR494594A (en) Improvements to rotary machine tools
FR21028E (en) Improvements to tools with added grain
FR492864A (en) Improvements to tools with added grain
FR506888A (en) Improvements to drilling machines
FR506887A (en) Improvements to drilling machines
FR506886A (en) Improvements to drilling machines
FR496222A (en) Improvements to drilling tools
FR494297A (en) Improvements to woodturning machines
FR501243A (en) Improvements to machine tools
FR489307A (en) Improvements to tools with added grain
FR491851A (en) Improvements made to barrel-making machines
FR497612A (en) Improvements to extendable drilling and boring tools
CH78972A (en) Drilling machine
FR20865E (en) Improvements to tools with added grain
CH78928A (en) Combined glazier tool
FR502577A (en) Improvements to boring machines and similar machines
FR505941A (en) Improvements to drilling rigs
FR22464E (en) Improvements to tools with added grain
FR21029E (en) Improvements to tools with added grain
FR494936A (en) Improvements to metal cutting tools
FR501762A (en) Improvements to seed drills