DE2165992C3 - - Google Patents
Info
- Publication number
- DE2165992C3 DE2165992C3 DE2165992*A DE2165992A DE2165992C3 DE 2165992 C3 DE2165992 C3 DE 2165992C3 DE 2165992 A DE2165992 A DE 2165992A DE 2165992 C3 DE2165992 C3 DE 2165992C3
- Authority
- DE
- Germany
- Prior art keywords
- key
- jaws
- pipe
- jaw
- pipe wrench
- 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
Links
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 241000219492 Quercus Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/167—Connecting or disconnecting pipe couplings or joints using a wrench adapted to engage a non circular section of pipe, e.g. a section with flats or splines
-
- 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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
- E21B3/022—Top drives
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2165992*A DE2165992B2 (en) | 1951-01-28 | 1951-01-28 | Drill pipe power tongs - with three jaws having interlocking faces in the gripping position |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2165992*A DE2165992B2 (en) | 1951-01-28 | 1951-01-28 | Drill pipe power tongs - with three jaws having interlocking faces in the gripping position |
| US7502070A | 1970-09-24 | 1970-09-24 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2165992A1 DE2165992A1 (enExample) | 1972-08-10 |
| DE2165992B2 DE2165992B2 (en) | 1973-10-25 |
| DE2165992C3 true DE2165992C3 (enExample) | 1974-05-22 |
Family
ID=25762272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2165992*A Granted DE2165992B2 (en) | 1951-01-28 | 1951-01-28 | Drill pipe power tongs - with three jaws having interlocking faces in the gripping position |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2165992B2 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3544086A1 (de) * | 1985-12-13 | 1987-06-19 | Klemm Bohrtech | Erdbohrgeraet |
-
1951
- 1951-01-28 DE DE2165992*A patent/DE2165992B2/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2165992A1 (enExample) | 1972-08-10 |
| DE2165992B2 (en) | 1973-10-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE19681623C2 (de) | Angetriebene Abfangzange zum Sichern eines Rohres gegen Drehung um seine Achse | |
| EP0481275B1 (de) | Werkzeugwechsler für Werkzeuge einer Werkzeugmaschine | |
| DE2434030C2 (de) | Vorrichtung zum Greifen und Ziehen von Rohren | |
| DE2710746B2 (de) | Reifenaufbautrommel | |
| DE2258777C3 (de) | Umkehr-Anschlageinrichtung fuer kraftbetaetigte Rohrzangen | |
| DE2147612C3 (de) | Bohrmaschine und Bohrgestänge für Erdbohrungen sowie Verfahren zum Betätigen einer Schraubverbindung | |
| EP0126260B2 (de) | Kompakter Schachtofen-Stopfkanonenschwenkantrieb für grosse Schwenkwinkel | |
| DE102018100832A1 (de) | Einbauwerkzeug für einen Drahtgewindeeinsatz | |
| EP0340452A2 (de) | Vorrichtung zur Verstellung der Drehlage eines Zylinders einer Wendeeinrichtung und zur axialen Verschiebung eines Stellgliedes für die Greiferumstellung an diesem Zylinder einer Bogenrotationsdruckmaschine | |
| EP0350516B1 (de) | Spannfutter-Schnellwechseleinrichtung | |
| DE1502035A1 (de) | Spannfutter mit Schwenkarmen | |
| DE10138343A1 (de) | Wechelvorrichtung für Spannköpfe mit mehreren Spannbacken | |
| EP2995401B1 (de) | Spannvorrichtung | |
| EP0428856B1 (de) | Hubstrebe für einen Traktor | |
| EP1388616A1 (de) | Vorrichtung zum Kuppeln und Entkuppeln der Anschlussenden von Druckmittelleitungen | |
| DE2165992C3 (enExample) | ||
| EP0035165B1 (de) | Drehwerkzeug | |
| DE885510C (de) | Spannfutter | |
| DE1783026C3 (de) | Kraftbetätigte Rohrzange | |
| EP0143257A1 (de) | Werkzeugaufnahme einer Schneidpresse, insbesondere einer Revolverschneidpresse, für den Werkzeugwechsel | |
| DE102018126070B3 (de) | Spannfutter für Werkzeugmaschinen | |
| DE2359163A1 (de) | Greifvorrichtung fuer langgestreckte koerper, die in aufnahmeoeffnungen eingesetzt und aus diesen herausgezogen werden sollen, insbesondere fuer brennelemente und regelstaebe in einem kernreaktor | |
| EP0278111A1 (de) | Kraftbetätigtes Spannfutter | |
| DE3726078C1 (en) | Catch device for a drill string of a rock-drilling machine | |
| DE10122961A1 (de) | Verriegelungsvorrichtung für eine axial verstellbare Spindel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |