GB8715634D0 - Core drill bit - Google Patents

Core drill bit

Info

Publication number
GB8715634D0
GB8715634D0 GB878715634A GB8715634A GB8715634D0 GB 8715634 D0 GB8715634 D0 GB 8715634D0 GB 878715634 A GB878715634 A GB 878715634A GB 8715634 A GB8715634 A GB 8715634A GB 8715634 D0 GB8715634 D0 GB 8715634D0
Authority
GB
United Kingdom
Prior art keywords
drill bit
core drill
core
bit
drill
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.)
Withdrawn
Application number
GB878715634A
Other versions
GB2193677A (en
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.)
Richman R A
Original Assignee
Richman R A
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
Priority claimed from GB868615327A external-priority patent/GB8615327D0/en
Priority claimed from GB868629858A external-priority patent/GB8629858D0/en
Application filed by Richman R A filed Critical Richman R A
Publication of GB8715634D0 publication Critical patent/GB8715634D0/en
Publication of GB2193677A publication Critical patent/GB2193677A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/04—Drills for trepanning
    • B23B51/0466—Drills for trepanning with exchangeable cutting inserts, e.g. able to be clamped
    • 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
    • E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type

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)
  • Drilling Tools (AREA)
GB08715634A 1986-07-12 1987-07-03 Core drill bit Withdrawn GB2193677A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868615327A GB8615327D0 (en) 1986-07-12 1986-07-12 Core bit drill
GB868629858A GB8629858D0 (en) 1986-12-15 1986-12-15 Core drill bit

Publications (2)

Publication Number Publication Date
GB8715634D0 true GB8715634D0 (en) 1987-08-12
GB2193677A GB2193677A (en) 1988-02-17

Family

ID=26290955

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08715634A Withdrawn GB2193677A (en) 1986-07-12 1987-07-03 Core drill bit

Country Status (1)

Country Link
GB (1) GB2193677A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1023352B1 (en) * 2016-01-29 2017-02-13 Diarotech S.A. MINERAL CROWN COMPRISING IMPREGNATED DIAMOND SEGMENTS OBTAINED BY HOT SINTING
CN114183079A (en) * 2021-11-15 2022-03-15 河南黄河旋风股份有限公司 Drill barrel with water adding and slag discharging functions

Also Published As

Publication number Publication date
GB2193677A (en) 1988-02-17

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)