GB2246379B - Auger blade holder and blades therefor - Google Patents

Auger blade holder and blades therefor

Info

Publication number
GB2246379B
GB2246379B GB9114364A GB9114364A GB2246379B GB 2246379 B GB2246379 B GB 2246379B GB 9114364 A GB9114364 A GB 9114364A GB 9114364 A GB9114364 A GB 9114364A GB 2246379 B GB2246379 B GB 2246379B
Authority
GB
United Kingdom
Prior art keywords
blade holder
auger blade
blades therefor
therefor
blades
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 - Fee Related
Application number
GB9114364A
Other versions
GB9114364D0 (en
GB2246379A (en
Inventor
William Murray Usher
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.)
N U B ENGINEERING Ltd
Original Assignee
N U B ENGINEERING Ltd
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 N U B ENGINEERING Ltd filed Critical N U B ENGINEERING Ltd
Publication of GB9114364D0 publication Critical patent/GB9114364D0/en
Publication of GB2246379A publication Critical patent/GB2246379A/en
Application granted granted Critical
Publication of GB2246379B publication Critical patent/GB2246379B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Earth Drilling (AREA)
GB9114364A 1990-07-24 1991-07-03 Auger blade holder and blades therefor Expired - Fee Related GB2246379B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909016224A GB9016224D0 (en) 1990-07-24 1990-07-24 Auger blade holder and blades therefor

Publications (3)

Publication Number Publication Date
GB9114364D0 GB9114364D0 (en) 1991-08-21
GB2246379A GB2246379A (en) 1992-01-29
GB2246379B true GB2246379B (en) 1994-04-06

Family

ID=10679570

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909016224A Pending GB9016224D0 (en) 1990-07-24 1990-07-24 Auger blade holder and blades therefor
GB9114364A Expired - Fee Related GB2246379B (en) 1990-07-24 1991-07-03 Auger blade holder and blades therefor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB909016224A Pending GB9016224D0 (en) 1990-07-24 1990-07-24 Auger blade holder and blades therefor

Country Status (1)

Country Link
GB (2) GB9016224D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6739411B2 (en) 2002-06-27 2004-05-25 Good Earth Tools, Inc. Hollow auger head assembly

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1164224A (en) * 1966-11-02 1969-09-17 Watson Mfg Company Single Flight Earth Boring Auger
GB1297827A (en) * 1970-08-25 1972-11-29

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1164224A (en) * 1966-11-02 1969-09-17 Watson Mfg Company Single Flight Earth Boring Auger
GB1297827A (en) * 1970-08-25 1972-11-29

Also Published As

Publication number Publication date
GB9114364D0 (en) 1991-08-21
GB2246379A (en) 1992-01-29
GB9016224D0 (en) 1990-09-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20090703