GB339426A - Boring apparatus - Google Patents

Boring apparatus

Info

Publication number
GB339426A
GB339426A GB32345/29A GB3234529A GB339426A GB 339426 A GB339426 A GB 339426A GB 32345/29 A GB32345/29 A GB 32345/29A GB 3234529 A GB3234529 A GB 3234529A GB 339426 A GB339426 A GB 339426A
Authority
GB
United Kingdom
Prior art keywords
barrel
cut
make
cutter head
core
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
GB32345/29A
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.)
Chicago Pneumatic Tool Co LLC
Original Assignee
Chicago Pneumatic Tool Co LLC
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 Chicago Pneumatic Tool Co LLC filed Critical Chicago Pneumatic Tool Co LLC
Publication of GB339426A publication Critical patent/GB339426A/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
    • E21B10/00—Drill bits
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • 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
    • E21B10/02—Core bits
    • E21B10/04—Core bits with core destroying means

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)
  • Drilling Tools (AREA)

Abstract

339,426. Chicago Pneumatic Tool Co., (Assignees of Taylor, F. E.). Nov. 12, 1928, [Conventon date]. Drills.-A core drill comprises a barrel 6 with a helical rib 6<a> and holes 6<b> for the passage of cuttings, a cutter head 8 being threaded to the barrel and having internal ribs 12 terminating in shoulders 11 which break the core into sections. The cutter head has thick teeth 9 which make the outer part of the cut, and thin teeth 10 which make the inner part of the cut.
GB32345/29A 1928-11-12 1929-10-24 Boring apparatus Expired GB339426A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US339426XA 1928-11-12 1928-11-12

Publications (1)

Publication Number Publication Date
GB339426A true GB339426A (en) 1930-12-11

Family

ID=21873349

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32345/29A Expired GB339426A (en) 1928-11-12 1929-10-24 Boring apparatus

Country Status (1)

Country Link
GB (1) GB339426A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4258808A (en) * 1978-03-02 1981-03-31 Hawera Probst Gmbh & Co. Rock drill
GB2212747A (en) * 1987-11-25 1989-08-02 Boart Hardmetals Shank adaptor for rock drilling machines
GB2232619A (en) * 1989-05-13 1990-12-19 Targett Power Equipment Servic Annular cutter
GB2510433A (en) * 2013-02-05 2014-08-06 Attachment Torque Mfg China Co Ltd Curved auger tooth and auger tooth holder
DE102015101836A1 (en) * 2015-02-09 2016-08-11 Shajeng Hardware Co., Ltd. Core drills for drilling concrete and reinforcements
EP2318640B1 (en) * 2008-08-15 2018-08-15 Sandvik Intellectual Property AB Core drill bit
CN110529062A (en) * 2019-09-23 2019-12-03 赤峰市浩峰钻机有限责任公司 A kind of prestress wire core barrel that can pulverize rock slag

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4258808A (en) * 1978-03-02 1981-03-31 Hawera Probst Gmbh & Co. Rock drill
GB2212747A (en) * 1987-11-25 1989-08-02 Boart Hardmetals Shank adaptor for rock drilling machines
GB2232619A (en) * 1989-05-13 1990-12-19 Targett Power Equipment Servic Annular cutter
EP2318640B1 (en) * 2008-08-15 2018-08-15 Sandvik Intellectual Property AB Core drill bit
GB2510433A (en) * 2013-02-05 2014-08-06 Attachment Torque Mfg China Co Ltd Curved auger tooth and auger tooth holder
WO2014121745A1 (en) * 2013-02-05 2014-08-14 Attachment Torque Mfg (China) Co., Ltd. Auger tooth
DE102015101836A1 (en) * 2015-02-09 2016-08-11 Shajeng Hardware Co., Ltd. Core drills for drilling concrete and reinforcements
CN110529062A (en) * 2019-09-23 2019-12-03 赤峰市浩峰钻机有限责任公司 A kind of prestress wire core barrel that can pulverize rock slag

Similar Documents

Publication Publication Date Title
GB339426A (en) Boring apparatus
GB557335A (en) Annular boring tool
GB203039A (en) Improvements in percussive rock drilling tools with renewable cutters
US2511650A (en) Expanding reamer
GB432696A (en) Reamer for earth boring drills
GB501331A (en) Improvements in stop devices for limiting the extent of movement of a boring tool orthe like
GB203866A (en) Combined facing and reamering tool
GB423647A (en) Improvements in stone boring tools, rock drills, and the like
GB190805778A (en) Improvements in Percussive Drills for use in Machine or Hand Rock-drilling.
GB191515608A (en) Improvements in Twist Drills and like Metal Cutting or Boring Tools.
GB190126A (en) Improvements in boring drills for coal and other substances
GB443469A (en) Rotary face bit for core drills
GB189021A (en) Drills
GB207440A (en) Auxiliary cutting tool for twist drills &amp; the like
GB434383A (en) Improvements relating to hammer drills
GB690880A (en) Improved apparatus for freeing expanded tubes for subsequent removal
GB444036A (en) Improvements in and relating to drills and auger bits
GB346946A (en)
GB199482A (en) An improved metal-cutting tool
GB717503A (en) Cutting inserts of hard metal
GB541192A (en) Improvements in and relating to detachable drill bits for use with rock drills
GB302304A (en) Reamer for rotary well drilling tools
GB242548A (en) Renewable cutter rock drill steel
GB280416A (en) An improved twist drill, and method of manufacturing the same
GB364460A (en) Improvements in rotary drill bits