GB532371A - Improvements in and relating to earth drills - Google Patents

Improvements in and relating to earth drills

Info

Publication number
GB532371A
GB532371A GB24701/39A GB2470139A GB532371A GB 532371 A GB532371 A GB 532371A GB 24701/39 A GB24701/39 A GB 24701/39A GB 2470139 A GB2470139 A GB 2470139A GB 532371 A GB532371 A GB 532371A
Authority
GB
United Kingdom
Prior art keywords
earth
flange
relating
drills
screw
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
GB24701/39A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB24701/39A priority Critical patent/GB532371A/en
Publication of GB532371A publication Critical patent/GB532371A/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
    • E21B11/00—Other drilling tools
    • E21B11/005—Hand operated drilling tools

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)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)

Abstract

532,371. Earth drills. CIDER, U., and ANDERSSON, G. Aug. 28, 1939, No. 24701. [Class 85] An earth drill comprises a feed screw 1 of steel &c. of round, square or oval section wound into a spiral, and a helical cutting disc 2 of approximately the same pitch and provided with a turned-up cutting-flange 3, the distance of the flange 3 from the screw 1 decreasing backwardly in relation to the direction of rotation. The drill shaft 5 has transverse handles 6 which may be rigidly fixed, or rotatably carried by a sleeve 8, with pawls 7 giving a one-way drive.
GB24701/39A 1939-08-28 1939-08-28 Improvements in and relating to earth drills Expired GB532371A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB24701/39A GB532371A (en) 1939-08-28 1939-08-28 Improvements in and relating to earth drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB24701/39A GB532371A (en) 1939-08-28 1939-08-28 Improvements in and relating to earth drills

Publications (1)

Publication Number Publication Date
GB532371A true GB532371A (en) 1941-01-22

Family

ID=10215890

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24701/39A Expired GB532371A (en) 1939-08-28 1939-08-28 Improvements in and relating to earth drills

Country Status (1)

Country Link
GB (1) GB532371A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001092847A1 (en) * 2000-05-31 2001-12-06 Agro-Systemes S.A. Device for taking samples from a material of granular or powdery composition

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001092847A1 (en) * 2000-05-31 2001-12-06 Agro-Systemes S.A. Device for taking samples from a material of granular or powdery composition
FR2809815A1 (en) * 2000-05-31 2001-12-07 Agro Systemes S A DEVICE FOR TAKING EARTH SAMPLES
US6845677B2 (en) 2000-05-31 2005-01-25 Agro-Systemes S.A. Device for taking samples from a material of granular or powdery composition

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