SE301620B - - Google Patents

Info

Publication number
SE301620B
SE301620B SE265459A SE265459A SE301620B SE 301620 B SE301620 B SE 301620B SE 265459 A SE265459 A SE 265459A SE 265459 A SE265459 A SE 265459A SE 301620 B SE301620 B SE 301620B
Authority
SE
Sweden
Application number
SE265459A
Inventor
J Hjaelsten
Original Assignee
Sandvikens Jernverks Ab
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 Sandvikens Jernverks Ab filed Critical Sandvikens Jernverks Ab
Priority to SE265459A priority Critical patent/SE301620B/xx
Priority to GB970960A priority patent/GB948000A/en
Publication of SE301620B publication Critical patent/SE301620B/xx

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)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
SE265459A 1959-03-19 1959-03-19 SE301620B (el)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE265459A SE301620B (el) 1959-03-19 1959-03-19
GB970960A GB948000A (en) 1959-03-19 1960-03-18 Drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE265459A SE301620B (el) 1959-03-19 1959-03-19

Publications (1)

Publication Number Publication Date
SE301620B true SE301620B (el) 1968-06-17

Family

ID=20260392

Family Applications (1)

Application Number Title Priority Date Filing Date
SE265459A SE301620B (el) 1959-03-19 1959-03-19

Country Status (2)

Country Link
GB (1) GB948000A (el)
SE (1) SE301620B (el)

Also Published As

Publication number Publication date
GB948000A (en) 1964-01-29

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