NL7809269A - Grondboorbeitel met snapsnijkopretentie. - Google Patents

Grondboorbeitel met snapsnijkopretentie.

Info

Publication number
NL7809269A
NL7809269A NL7809269A NL7809269A NL7809269A NL 7809269 A NL7809269 A NL 7809269A NL 7809269 A NL7809269 A NL 7809269A NL 7809269 A NL7809269 A NL 7809269A NL 7809269 A NL7809269 A NL 7809269A
Authority
NL
Netherlands
Prior art keywords
cutting head
ground drilling
head retention
drilling chisel
snap cutting
Prior art date
Application number
NL7809269A
Other languages
English (en)
Dutch (nl)
Original Assignee
Hughes Tool Co
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 Hughes Tool Co filed Critical Hughes Tool Co
Publication of NL7809269A publication Critical patent/NL7809269A/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
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C43/00—Assembling bearings
    • F16C43/02—Assembling sliding-contact bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2352/00—Apparatus for drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Sliding-Contact Bearings (AREA)
NL7809269A 1977-10-28 1978-09-12 Grondboorbeitel met snapsnijkopretentie. NL7809269A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84664377A 1977-10-28 1977-10-28

Publications (1)

Publication Number Publication Date
NL7809269A true NL7809269A (nl) 1979-05-02

Family

ID=25298514

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7809269A NL7809269A (nl) 1977-10-28 1978-09-12 Grondboorbeitel met snapsnijkopretentie.

Country Status (7)

Country Link
JP (1) JPS5471703A (enrdf_load_stackoverflow)
BR (1) BR7804925A (enrdf_load_stackoverflow)
CA (1) CA1092092A (enrdf_load_stackoverflow)
FR (1) FR2407332A1 (enrdf_load_stackoverflow)
GB (1) GB1599378A (enrdf_load_stackoverflow)
MX (1) MX148614A (enrdf_load_stackoverflow)
NL (1) NL7809269A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3837625C1 (enrdf_load_stackoverflow) * 1988-11-05 1989-11-02 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
US4978147A (en) * 1990-04-27 1990-12-18 Vetco Gray Inc. Elastomeric lockdown and shearout device
CN103939023B (zh) * 2014-04-30 2017-02-15 天津立林钻头有限公司 牙轮钻头、安装牙轮钻头挡圈的工装及挡圈的安装方法

Also Published As

Publication number Publication date
FR2407332A1 (fr) 1979-05-25
BR7804925A (pt) 1979-05-29
JPS5471703A (en) 1979-06-08
JPS6128077B2 (enrdf_load_stackoverflow) 1986-06-28
CA1092092A (en) 1980-12-23
GB1599378A (en) 1981-09-30
MX148614A (es) 1983-05-18

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed