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IE33300B1 - Reamer bit - Google Patents

Reamer bit

Info

Publication number
IE33300B1
IE33300B1 IE1192/69A IE119269A IE33300B1 IE 33300 B1 IE33300 B1 IE 33300B1 IE 1192/69 A IE1192/69 A IE 1192/69A IE 119269 A IE119269 A IE 119269A IE 33300 B1 IE33300 B1 IE 33300B1
Authority
IE
Ireland
Prior art keywords
elements
reamer bit
bit
gb1249143a
cementation
Prior art date
Application number
IE1192/69A
Other versions
IE33300L (en
Original Assignee
Cementation Co 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 Cementation Co Ltd filed Critical Cementation Co Ltd
Publication of IE33300L publication Critical patent/IE33300L/en
Publication of IE33300B1 publication Critical patent/IE33300B1/en

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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers

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)

Abstract

1,249,143. Boring earth and rock. CEMENTATION CO. Ltd. 26 Aug., 1969 [13 Dec., 1968], No. 59372/68. Heading E1F. A reamer bit comprises a body 1 connected to a drill rod 3 and resilient elements 4 bendable to lie along the body. The bit is inserted in a borehole and rotated so that the elements 4 resiliently engage the walls and produce a local enlarging Figs. 2-4 (not shown). Pressure fluid, which may be air, is supplied to orifices 9 in a tube 6 which may be attached to the side of the body 1 or may extend within it. The elements 4 are formed from wire rope, spring steel or nylon, and may be arranged in a spiral. [GB1249143A]
IE1192/69A 1968-12-13 1969-08-21 Reamer bit IE33300B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB59372/68A GB1249143A (en) 1968-12-13 1968-12-13 Improvements in or relating to a reamer bit

Publications (2)

Publication Number Publication Date
IE33300L IE33300L (en) 1970-06-13
IE33300B1 true IE33300B1 (en) 1974-05-15

Family

ID=10483637

Family Applications (1)

Application Number Title Priority Date Filing Date
IE1192/69A IE33300B1 (en) 1968-12-13 1969-08-21 Reamer bit

Country Status (4)

Country Link
DE (1) DE1955623A1 (en)
ES (1) ES372280A1 (en)
GB (1) GB1249143A (en)
IE (1) IE33300B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10017894A1 (en) * 2000-04-11 2001-10-25 Stump Spezialtiefbau Gmbh Method and device for producing undercut cavities, in particular for producing support members and nails
CN111720058B (en) * 2020-07-29 2024-11-05 河南理工大学 A hydrodynamic hole enlarging device and method
CN113445926B (en) * 2021-07-07 2023-01-24 广东电网能源发展有限公司 Rock breaking drill bit device

Also Published As

Publication number Publication date
GB1249143A (en) 1971-10-06
DE1955623A1 (en) 1970-07-02
IE33300L (en) 1970-06-13
ES372280A1 (en) 1972-02-16

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