NL27076C - - Google Patents

Info

Publication number
NL27076C
NL27076C NL27076DA NL27076C NL 27076 C NL27076 C NL 27076C NL 27076D A NL27076D A NL 27076DA NL 27076 C NL27076 C NL 27076C
Authority
NL
Netherlands
Application number
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.)
Publication of NL27076C publication Critical patent/NL27076C/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
    • E21B10/08—Roller bits
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles

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)
  • Rolls And Other Rotary Bodies (AREA)
NL27076D 1928-02-27 NL27076C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US257259A US1692793A (en) 1928-02-27 1928-02-27 Earth-boring drill

Publications (1)

Publication Number Publication Date
NL27076C true NL27076C (enrdf_load_stackoverflow)

Family

ID=22975535

Family Applications (1)

Application Number Title Priority Date Filing Date
NL27076D NL27076C (enrdf_load_stackoverflow) 1928-02-27

Country Status (6)

Country Link
US (1) US1692793A (enrdf_load_stackoverflow)
BE (1) BE355760A (enrdf_load_stackoverflow)
DE (1) DE508080C (enrdf_load_stackoverflow)
FR (1) FR664010A (enrdf_load_stackoverflow)
GB (1) GB306889A (enrdf_load_stackoverflow)
NL (1) NL27076C (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4176724A (en) * 1977-11-14 1979-12-04 Smith International, Inc. Rotary rock bit and method of making same
US5586611A (en) * 1995-10-13 1996-12-24 Cypress Services, Inc. Drill bit having dual split bushings for cutter support and retention
WO2012148433A1 (en) * 2011-04-29 2012-11-01 Lane Brent Borehole cutter retention and fastening/locking system
CA3010583A1 (en) * 2016-02-26 2017-08-31 Halliburton Energy Services, Inc. Hybrid drill bit with axially adjustable counter-rotation cutters in center
WO2020176347A1 (en) * 2019-02-25 2020-09-03 Century Products Inc. Tapered joint for securing cone arm in hole opener

Also Published As

Publication number Publication date
GB306889A (en) 1930-01-16
US1692793A (en) 1928-11-20
DE508080C (de) 1930-09-24
BE355760A (enrdf_load_stackoverflow)
FR664010A (fr) 1929-08-28

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