DE29716724U1 - Drill - Google Patents

Drill

Info

Publication number
DE29716724U1
DE29716724U1 DE29716724U DE29716724U DE29716724U1 DE 29716724 U1 DE29716724 U1 DE 29716724U1 DE 29716724 U DE29716724 U DE 29716724U DE 29716724 U DE29716724 U DE 29716724U DE 29716724 U1 DE29716724 U1 DE 29716724U1
Authority
DE
Germany
Prior art keywords
drill
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 - Lifetime
Application number
DE29716724U
Other languages
German (de)
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 DE29716724U priority Critical patent/DE29716724U1/en
Publication of DE29716724U1 publication Critical patent/DE29716724U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/02—Swivel joints in hose-lines
DE29716724U 1997-09-17 1997-09-17 Drill Expired - Lifetime DE29716724U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29716724U DE29716724U1 (en) 1997-09-17 1997-09-17 Drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29716724U DE29716724U1 (en) 1997-09-17 1997-09-17 Drill

Publications (1)

Publication Number Publication Date
DE29716724U1 true DE29716724U1 (en) 1997-11-20

Family

ID=8046139

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29716724U Expired - Lifetime DE29716724U1 (en) 1997-09-17 1997-09-17 Drill

Country Status (1)

Country Link
DE (1) DE29716724U1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU736016B2 (en) * 1996-06-04 2001-07-26 Jennmar Corporation A method for reinforcing rock with a tendon
DE102007019168A1 (en) 2007-04-20 2008-10-23 Geißler & Kuper GmbH Diamantwerkzeuge, Maschinen Drill has tubular drive shaft connected by coupling ring to drill shaft, coupling ring being fitted with external sealing sleeve and sealing ring between sleeve and drive shaft
US10060206B2 (en) 2010-01-11 2018-08-28 Epiroc Rock Drills Aktiebolag Percussion rock drilling machine and drill rig

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU736016B2 (en) * 1996-06-04 2001-07-26 Jennmar Corporation A method for reinforcing rock with a tendon
DE102007019168A1 (en) 2007-04-20 2008-10-23 Geißler & Kuper GmbH Diamantwerkzeuge, Maschinen Drill has tubular drive shaft connected by coupling ring to drill shaft, coupling ring being fitted with external sealing sleeve and sealing ring between sleeve and drive shaft
US10060206B2 (en) 2010-01-11 2018-08-28 Epiroc Rock Drills Aktiebolag Percussion rock drilling machine and drill rig

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19980108

R150 Term of protection extended to 6 years

Effective date: 20010124

R151 Term of protection extended to 8 years

Effective date: 20031203

R152 Term of protection extended to 10 years

Effective date: 20051212

R071 Expiry of right