GB351337A - Double winged boring bit - Google Patents

Double winged boring bit

Info

Publication number
GB351337A
GB351337A GB27184/30A GB2718430A GB351337A GB 351337 A GB351337 A GB 351337A GB 27184/30 A GB27184/30 A GB 27184/30A GB 2718430 A GB2718430 A GB 2718430A GB 351337 A GB351337 A GB 351337A
Authority
GB
United Kingdom
Prior art keywords
boring bit
double winged
sept
winged
double
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
GB27184/30A
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.)
Siemens Schuckertwerke AG
Siemens AG
Original Assignee
Siemens Schuckertwerke AG
Siemens AG
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 Siemens Schuckertwerke AG, Siemens AG filed Critical Siemens Schuckertwerke AG
Publication of GB351337A publication Critical patent/GB351337A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Earth Drilling (AREA)
  • Disintegrating Or Milling (AREA)

Abstract

351,337. Drills. SIEMENS-SCHUCKERTWERKE AKT.-GES., Siemensstadt, Berlin. Sept. 11, 1930, No. 27184. Convention date, Sept. 18, 1929. [Class 83 (iii).] The cutters 5, 6 of a boring-bit are secured to the shank wings 3, 4 by rivets 7 and by immersion in a bath of hard solder.
GB27184/30A 1929-09-18 1930-09-11 Double winged boring bit Expired GB351337A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE351337X 1929-09-18

Publications (1)

Publication Number Publication Date
GB351337A true GB351337A (en) 1931-06-25

Family

ID=6268004

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27184/30A Expired GB351337A (en) 1929-09-18 1930-09-11 Double winged boring bit

Country Status (1)

Country Link
GB (1) GB351337A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2648525A (en) * 1948-06-09 1953-08-11 Phipps Orville Core-breaking drill bit for doubleflute augers
GB2199520A (en) * 1986-12-29 1988-07-13 Boart Int Ltd Boring bit for coal or soft rock
US4776241A (en) * 1984-02-13 1988-10-11 Bernard Pollington Cutting tool

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2648525A (en) * 1948-06-09 1953-08-11 Phipps Orville Core-breaking drill bit for doubleflute augers
US4776241A (en) * 1984-02-13 1988-10-11 Bernard Pollington Cutting tool
GB2199520A (en) * 1986-12-29 1988-07-13 Boart Int Ltd Boring bit for coal or soft rock

Similar Documents

Publication Publication Date Title
GB482766A (en) Collet chucks for lathes
GB351337A (en) Double winged boring bit
GB345922A (en) Improvements in or relating to centre bits
GB242834A (en) A ground anchor
GB409385A (en) Improvements in or relating to rock-boring tools
GB344635A (en) Improvements in and relating to rock drills
GB947835A (en) Improvements in or relating to drill bits
GB333489A (en) Improvements in or relating to a cutting tool for rock drills of the percussion type
AU8239A (en) Improvements in shank formations of percussive drilling tools
CA372544A (en) Detachable drill bit shank
GB242548A (en) Renewable cutter rock drill steel
CA236210A (en) Drill bit and holder
CA373163A (en) Replaceable rock drill bit
CA255865A (en) Drilling and reaming jig bushing
GB196556A (en) Improvements in chisel rock drill tools
AU707027A (en) Improved steadying device fair drills, bits and like rotary boring tools
CA384140A (en) Rock drill bit
CA384139A (en) Rock drill bit
AU108513B2 (en) Improvements in rock drill bits
CA359138A (en) Rock drill bit
CA360177A (en) Rock drill bit
AU109747B2 (en) Improvements in and relating to drill shafts, drill bits, adaptors andother connectors for use with percussive drills
CA382105A (en) Detachable bit rock drill
GB161007A (en) Improvements relating to twist drills
GB479966A (en) Improvements in and relating to the mounting of rotatable handles on their spindles