GB1104445A - Rotary hollow drill - Google Patents

Rotary hollow drill

Info

Publication number
GB1104445A
GB1104445A GB22112/65A GB2211265A GB1104445A GB 1104445 A GB1104445 A GB 1104445A GB 22112/65 A GB22112/65 A GB 22112/65A GB 2211265 A GB2211265 A GB 2211265A GB 1104445 A GB1104445 A GB 1104445A
Authority
GB
United Kingdom
Prior art keywords
hollow drill
rotary hollow
pins
parts
boring
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.)
Expired
Application number
GB22112/65A
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.)
PRZED HYDROGEOLOGICZNE W WARSZ
Original Assignee
PRZED HYDROGEOLOGICZNE W WARSZ
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 PL104661A external-priority patent/PL51121B1/pl
Application filed by PRZED HYDROGEOLOGICZNE W WARSZ filed Critical PRZED HYDROGEOLOGICZNE W WARSZ
Publication of GB1104445A publication Critical patent/GB1104445A/en
Expired legal-status Critical Current

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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/003—Drilling with mechanical conveying means
    • 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
    • E21B27/00—Containers for collecting or depositing substances in boreholes or wells, e.g. bailers, baskets or buckets for collecting mud or sand; Drill bits with means for collecting substances, e.g. valve drill bits

Landscapes

  • Engineering & Computer Science (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)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

1,104,445. Boring earth &c. PRZEDSIEBIORSTWO HYDROGEOLOGICZNE W WARSZAWIE. 25, May, 1965 [25, May, 1964], No. 22112/65. Heading E1F. A rotary hollow drill for boring clay or silt has two parts 3, 4 which are opened out by rotating about pins 5. During drilling the parts are held together by pins 7.
GB22112/65A 1964-05-25 1965-05-25 Rotary hollow drill Expired GB1104445A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL104661A PL51121B1 (en) 1964-05-25

Publications (1)

Publication Number Publication Date
GB1104445A true GB1104445A (en) 1968-02-28

Family

ID=19942341

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22112/65A Expired GB1104445A (en) 1964-05-25 1965-05-25 Rotary hollow drill

Country Status (2)

Country Link
FR (1) FR1441828A (en)
GB (1) GB1104445A (en)

Also Published As

Publication number Publication date
FR1441828A (en) 1966-06-10

Similar Documents

Publication Publication Date Title
CA986088A (en) Drill bit for abrasive jet drilling
CA955239A (en) Anti-tracking earth boring drill
NO138459C (en) DRILL BAR FOR IMPACT DRILLING.
CA1021211A (en) Drill rod for percussion drilling
DK115905B (en) Drills, especially for rotary percussion drilling.
DK130752B (en) Method for directional drilling.
GB1104445A (en) Rotary hollow drill
CA1003397A (en) Segmented earth boring drill bit
GB1125130A (en) A tube for grouting into bore holes drilled in earth
AU463698B2 (en) Big hole drilling bit
CA994321A (en) Rotary bit for hydraulically drilling holes into underground formations
SU468993A1 (en) Chisel for airlift drilling
CA870891A (en) Drill, particularly for rotary percussion drilling
YU5873A (en) Chisel for deep-well drilling of the soil
CA901563A (en) Percussion drill bit
CA870463A (en) Bits for rock drills
CA913060A (en) Drilling equipment, especially for drilling in earth or loose rock
CA715416A (en) Rotary earth boring drill
CA891923A (en) Link stabilizer for well drilling rigs
AU294066B2 (en) Machine for grinding percussion drilling bits
GB1003300A (en) Drill bit for drilling earth formations
GB1082130A (en) Drilling apparatus
CA924935A (en) Drill bit for pole boring machine
CA1009062A (en) Self-propelled percussive machine for boring holes
CA874843A (en) Valve-type percussion drill bit