FR44777E - Improvements to tools with diamond grit or similar materials - Google Patents

Improvements to tools with diamond grit or similar materials

Info

Publication number
FR44777E
FR44777E FR44777DA FR44777E FR 44777 E FR44777 E FR 44777E FR 44777D A FR44777D A FR 44777DA FR 44777 E FR44777 E FR 44777E
Authority
FR
France
Prior art keywords
tools
similar materials
diamond grit
grit
diamond
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)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR44777E publication Critical patent/FR44777E/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR44777D 1934-05-02 1934-05-02 Improvements to tools with diamond grit or similar materials Expired FR44777E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR44777T 1934-05-02

Publications (1)

Publication Number Publication Date
FR44777E true FR44777E (en) 1935-04-06

Family

ID=8680575

Family Applications (1)

Application Number Title Priority Date Filing Date
FR44777D Expired FR44777E (en) 1934-05-02 1934-05-02 Improvements to tools with diamond grit or similar materials

Country Status (1)

Country Link
FR (1) FR44777E (en)

Similar Documents

Publication Publication Date Title
FR786350A (en) Improvements to machine tools used to perform various operations on metals or similar materials
FR44777E (en) Improvements to tools with diamond grit or similar materials
FR785232A (en) Improvements to hand-operated rotary tools
FR48057E (en) Improvements to tools with diamond grit or similar materials
FR830189A (en) Improvements to grinding wheels
FR38416E (en) Improvements to tools with diamond grit or similar materials
FR780788A (en) Improvements in garden tools
FR694145A (en) Improvements to tools with diamond grit or similar materials
FR800767A (en) Grinding wheels
FR792496A (en) Brush refinements
FR813108A (en) Cutting tool with diamond
FR830188A (en) Polishing wheels improvements
FR760123A (en) Sharpener or polisher with replaceable lining
FR783072A (en) Improvements with shoe polish brushes, or similar objects
FR738037A (en) Grinding, polishing, sanding machine
FR782830A (en) Windshield improvements
FR768755A (en) Hand tool refinements
FR783834A (en) Stone for sanding and polishing marble and the like
FR783977A (en) Improvements to scythes and similar tools
FR795932A (en) Improvements to grinders
FR777443A (en) Horticultural hand tool
FR836394A (en) Refinements to resettable diamond or extra-hard stone cutting tools
FR782879A (en) Improvements with strawberries or similar tools
FR757757A (en) Nail polishers refinements
FR784830A (en) Process relating to wheels intended for the projection of abrasive materials