GB375592A - Improvements in or relating to boring tools - Google Patents

Improvements in or relating to boring tools

Info

Publication number
GB375592A
GB375592A GB2189631A GB2189631A GB375592A GB 375592 A GB375592 A GB 375592A GB 2189631 A GB2189631 A GB 2189631A GB 2189631 A GB2189631 A GB 2189631A GB 375592 A GB375592 A GB 375592A
Authority
GB
United Kingdom
Prior art keywords
tool
collar
adjustable along
relating
boring tools
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
GB2189631A
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.)
CONS PNEUMATIC TOOL Co LT
Original Assignee
CONS PNEUMATIC TOOL Co LT
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 CONS PNEUMATIC TOOL Co LT filed Critical CONS PNEUMATIC TOOL Co LT
Priority to GB2189631A priority Critical patent/GB375592A/en
Publication of GB375592A publication Critical patent/GB375592A/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

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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

375,592. Drills. CONSOLIDATED PNEUMATIC TOOL CO., Ltd., 170, Piccadilly, London, and SEAMAN, T., 324, Granville Road, Sheffield. July 31, 1931, No. 21896. [Class 83 (iii).] A rotary tool for boring shot holes in coal seams and like operations is provided with an auxiliary cutter adjustable along the spiral body portion of the tool. The collar a, adjustable along the drill d and secured by bolts e, has cutting ears c bolted to extensions b ; scrolls f, fastened around the collar, clear away chips and prevent jamming.
GB2189631A 1931-07-31 1931-07-31 Improvements in or relating to boring tools Expired GB375592A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2189631A GB375592A (en) 1931-07-31 1931-07-31 Improvements in or relating to boring tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2189631A GB375592A (en) 1931-07-31 1931-07-31 Improvements in or relating to boring tools

Publications (1)

Publication Number Publication Date
GB375592A true GB375592A (en) 1932-06-30

Family

ID=10170616

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2189631A Expired GB375592A (en) 1931-07-31 1931-07-31 Improvements in or relating to boring tools

Country Status (1)

Country Link
GB (1) GB375592A (en)

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