SE353442B - - Google Patents

Info

Publication number
SE353442B
SE353442B SE117772A SE117772A SE353442B SE 353442 B SE353442 B SE 353442B SE 117772 A SE117772 A SE 117772A SE 117772 A SE117772 A SE 117772A SE 353442 B SE353442 B SE 353442B
Authority
SE
Sweden
Application number
SE117772A
Inventor
L Valdemarsson
Original Assignee
L Valdemarsson
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 L Valdemarsson filed Critical L Valdemarsson
Priority to SE117772A priority Critical patent/SE353442B/xx
Priority to FR7300359A priority patent/FR2192480A7/fr
Publication of SE353442B publication Critical patent/SE353442B/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
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • 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
    • B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit

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)
SE117772A 1972-02-02 1972-02-02 SE353442B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE117772A SE353442B (en) 1972-02-02 1972-02-02
FR7300359A FR2192480A7 (en) 1972-02-02 1973-01-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE117772A SE353442B (en) 1972-02-02 1972-02-02

Publications (1)

Publication Number Publication Date
SE353442B true SE353442B (en) 1973-02-05

Family

ID=20257724

Family Applications (1)

Application Number Title Priority Date Filing Date
SE117772A SE353442B (en) 1972-02-02 1972-02-02

Country Status (2)

Country Link
FR (1) FR2192480A7 (en)
SE (1) SE353442B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE506207C2 (en) * 1992-01-22 1997-11-24 Sandvik Ab Lower Drill

Also Published As

Publication number Publication date
FR2192480A7 (en) 1974-02-08

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