FR902593A - Rock drill bit for hammer drills operating by percussion or the like, reciprocating - Google Patents

Rock drill bit for hammer drills operating by percussion or the like, reciprocating

Info

Publication number
FR902593A
FR902593A FR902593DA FR902593A FR 902593 A FR902593 A FR 902593A FR 902593D A FR902593D A FR 902593DA FR 902593 A FR902593 A FR 902593A
Authority
FR
France
Prior art keywords
percussion
reciprocating
drill bit
rock drill
hammer drills
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.)
FLOTTMANN AG
Original Assignee
FLOTTMANN AG
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 FLOTTMANN AG filed Critical FLOTTMANN AG
Application granted granted Critical
Publication of FR902593A publication Critical patent/FR902593A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/02—Percussive tool bits
    • 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
    • E21B10/36—Percussion drill bits

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR902593D 1943-03-09 1944-03-11 Rock drill bit for hammer drills operating by percussion or the like, reciprocating Expired FR902593A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE902593X 1943-03-09

Publications (1)

Publication Number Publication Date
FR902593A true FR902593A (en) 1945-09-04

Family

ID=6861144

Family Applications (1)

Application Number Title Priority Date Filing Date
FR902593D Expired FR902593A (en) 1943-03-09 1944-03-11 Rock drill bit for hammer drills operating by percussion or the like, reciprocating

Country Status (1)

Country Link
FR (1) FR902593A (en)

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