GB1297827A - - Google Patents

Info

Publication number
GB1297827A
GB1297827A GB1297827DA GB1297827A GB 1297827 A GB1297827 A GB 1297827A GB 1297827D A GB1297827D A GB 1297827DA GB 1297827 A GB1297827 A GB 1297827A
Authority
GB
United Kingdom
Prior art keywords
boss
mandrel
aug
bar
edge
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
Other languages
English (en)
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 filed Critical
Publication of GB1297827A publication Critical patent/GB1297827A/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
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
    • E02F9/2866—Small metalwork for digging elements, e.g. teeth scraper bits for rotating digging elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
GB1297827D 1970-08-25 1970-08-25 Expired GB1297827A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4073170 1970-08-25

Publications (1)

Publication Number Publication Date
GB1297827A true GB1297827A (da) 1972-11-29

Family

ID=10416340

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1297827D Expired GB1297827A (da) 1970-08-25 1970-08-25

Country Status (1)

Country Link
GB (1) GB1297827A (da)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2246379A (en) * 1990-07-24 1992-01-29 N U B Engineering Limited Auger blade holder and blades therefor
WO2005005737A1 (en) * 2003-07-11 2005-01-20 Combi Wear Parts Ab Tooth system
US7114272B2 (en) 2003-09-09 2006-10-03 H&L Tooth Company Winged digging tooth
EP3022364A4 (en) * 2013-07-19 2017-08-09 Digga Australia Pty Ltd Ground working tool with replaceable teeth

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2246379A (en) * 1990-07-24 1992-01-29 N U B Engineering Limited Auger blade holder and blades therefor
GB2246379B (en) * 1990-07-24 1994-04-06 N U B Engineering Limited Auger blade holder and blades therefor
WO2005005737A1 (en) * 2003-07-11 2005-01-20 Combi Wear Parts Ab Tooth system
EA007547B1 (ru) * 2003-07-11 2006-10-27 Комби Веар Партс Аб Зубчатая система
AU2004256377B2 (en) * 2003-07-11 2009-08-20 Combi Wear Parts Ab Tooth system
US7694443B2 (en) 2003-07-11 2010-04-13 Combi Wear Parts Ab Tooth system
US7971375B2 (en) 2003-07-11 2011-07-05 Combi Wear Parts Ab Tooth system
KR101088224B1 (ko) 2003-07-11 2011-11-30 보스타 엘엠쥐 비.브이. 톱니 시스템
CN1849428B (zh) * 2003-07-11 2012-04-04 康比磨损部件股份有限公司 齿系统
US7114272B2 (en) 2003-09-09 2006-10-03 H&L Tooth Company Winged digging tooth
EP3022364A4 (en) * 2013-07-19 2017-08-09 Digga Australia Pty Ltd Ground working tool with replaceable teeth

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years