CA2021391A1 - Anneau de compensation pour marteau fond-de-trou - Google Patents

Anneau de compensation pour marteau fond-de-trou

Info

Publication number
CA2021391A1
CA2021391A1 CA 2021391 CA2021391A CA2021391A1 CA 2021391 A1 CA2021391 A1 CA 2021391A1 CA 2021391 CA2021391 CA 2021391 CA 2021391 A CA2021391 A CA 2021391A CA 2021391 A1 CA2021391 A1 CA 2021391A1
Authority
CA
Canada
Prior art keywords
compensating ring
down hole
hole hammer
outer sleeve
drill bit
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.)
Granted
Application number
CA 2021391
Other languages
English (en)
Other versions
CA2021391C (fr
Inventor
John Elsby
John Urquhart Dewar
Andrew Greathead
Brian Thomas Sanfead
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.)
Sandvik RC Tools Australia Pty Ltd
Original Assignee
DTA Pty 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 DTA Pty Ltd filed Critical DTA Pty Ltd
Priority to CA 2021391 priority Critical patent/CA2021391C/fr
Publication of CA2021391A1 publication Critical patent/CA2021391A1/fr
Application granted granted Critical
Publication of CA2021391C publication Critical patent/CA2021391C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
CA 2021391 1990-07-17 1990-07-17 Anneau de compensation pour marteau fond-de-trou Expired - Lifetime CA2021391C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2021391 CA2021391C (fr) 1990-07-17 1990-07-17 Anneau de compensation pour marteau fond-de-trou

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2021391 CA2021391C (fr) 1990-07-17 1990-07-17 Anneau de compensation pour marteau fond-de-trou

Publications (2)

Publication Number Publication Date
CA2021391A1 true CA2021391A1 (fr) 1992-01-18
CA2021391C CA2021391C (fr) 2004-03-30

Family

ID=4145506

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2021391 Expired - Lifetime CA2021391C (fr) 1990-07-17 1990-07-17 Anneau de compensation pour marteau fond-de-trou

Country Status (1)

Country Link
CA (1) CA2021391C (fr)

Also Published As

Publication number Publication date
CA2021391C (fr) 2004-03-30

Similar Documents

Publication Publication Date Title
CA2041000A1 (fr) Manchon de transmission pour la commande d'un marteau fond-de-trou
AU7263696A (en) Percussion drill assembly
WO2003068750A1 (fr) Inhibiteur de jnk
CA2274462A1 (fr) Amortisseur a friction pour machines a laver ou autres machines similaires
CA2380404A1 (fr) Dispositif de coupe
CA2181562A1 (fr) Fraise de meulage
EA199700342A1 (ru) Фитинг бурильной колонны
AU3830393A (en) Improved anti-whirl drill bit
AU2836897A (en) Blast hole drill pipe gripping mechanism
AU1892297A (en) A bit retention device for a bit and chuck assembly of a down-the-hole, percussive drill
AU2039595A (en) Rock drill
AU6662094A (en) Rock drilling machine
CA2181754A1 (fr) Foret pour maconnerie
CA2207755A1 (fr) Procede de forage et ensemble trepan pour la realisation de ce procede
CA2159904A1 (fr) Ameliorations au forage par percussion
AU2935997A (en) Drill bit retainer for a down hole hammer assembly
AU1850795A (en) Drill, especially drilling screw
KR100259228B1 (en) Tool bit and tool bit chuck for manually operated tool
CA2250416A1 (fr) Duse allongee dans un trepan et dotee d'un dispositif de retenue allonge
CA2414091A1 (fr) Procede pour separer des joints entre composants de forage et perforatrice de roches
GB2281244B (en) Hand drill, especially a hammer drill
CA2389241A1 (fr) Ensemble fleuret-mandrin verrouillable
CA2021391A1 (fr) Anneau de compensation pour marteau fond-de-trou
AU4446096A (en) Drill bit for drilling an undercut hole
AU6184394A (en) Underground borer with down hammer

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry