FR1003544A - Improvements in percussion mine cutters - Google Patents

Improvements in percussion mine cutters

Info

Publication number
FR1003544A
FR1003544A FR1003544DA FR1003544A FR 1003544 A FR1003544 A FR 1003544A FR 1003544D A FR1003544D A FR 1003544DA FR 1003544 A FR1003544 A FR 1003544A
Authority
FR
France
Prior art keywords
percussion
cutters
mine
percussion mine
mine cutters
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.)
Mersen SA
Original Assignee
Carbone Lorraine 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 Carbone Lorraine SA filed Critical Carbone Lorraine SA
Application granted granted Critical
Publication of FR1003544A publication Critical patent/FR1003544A/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
    • E21B10/58—Chisel-type inserts

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)
FR1003544D 1947-01-21 1947-01-21 Improvements in percussion mine cutters Expired FR1003544A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1003544T 1947-01-21

Publications (1)

Publication Number Publication Date
FR1003544A true FR1003544A (en) 1952-03-19

Family

ID=9563097

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1003544D Expired FR1003544A (en) 1947-01-21 1947-01-21 Improvements in percussion mine cutters

Country Status (1)

Country Link
FR (1) FR1003544A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1048848B (en) * 1954-07-14 1959-01-22 Hellefors Bruks Aktiebolag Impact drill with hard metal cutting edge with only one cutting edge extending across the drill head
DE2940274A1 (en) * 1978-10-23 1980-04-30 Fagersta Ab STONE DRILLING TOOL

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1048848B (en) * 1954-07-14 1959-01-22 Hellefors Bruks Aktiebolag Impact drill with hard metal cutting edge with only one cutting edge extending across the drill head
DE2940274A1 (en) * 1978-10-23 1980-04-30 Fagersta Ab STONE DRILLING TOOL

Similar Documents

Publication Publication Date Title
FR970492A (en) Machine tool
FR56970E (en) Combination router
CH276225A (en) Smoking tool.
FR1003544A (en) Improvements in percussion mine cutters
FR1006219A (en) Sharpener with extra hard insert
FR944587A (en) Mortise bit
CH262858A (en) Center drilling tool.
NL140780B (en) BANDMARK TOOL.
FR968335A (en) Improvement in typewriters
FR1017223A (en) Punching tool
FR940285A (en) Portable drill
FR1006097A (en) Improvements at the cazettes
FR949139A (en) Tools
FR1005178A (en) Wrench
DK72718C (en) Percussion tool.
FR1016922A (en) Improvements to percussion tools
FI25235A (en) Drill chuck
FR949590A (en) Improvements made to cutting pliers
AT170912B (en) Machine tool
ES16010Y (en) Replaceable rock drill.
FR1003865A (en) Percussion punch
FR953007A (en) Improvements to drills
FR942531A (en) Diamond tools
FR950599A (en) Portable parquet planer
FR966901A (en) Drilling tool