DE3113514C2 - Feststellvorrichtung für den Verlängerungsstempel eines Hydraulikzylinders - Google Patents

Feststellvorrichtung für den Verlängerungsstempel eines Hydraulikzylinders

Info

Publication number
DE3113514C2
DE3113514C2 DE19813113514 DE3113514A DE3113514C2 DE 3113514 C2 DE3113514 C2 DE 3113514C2 DE 19813113514 DE19813113514 DE 19813113514 DE 3113514 A DE3113514 A DE 3113514A DE 3113514 C2 DE3113514 C2 DE 3113514C2
Authority
DE
Germany
Prior art keywords
locking
locking elements
ring
locking device
piston rod
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
Application number
DE19813113514
Other languages
German (de)
English (en)
Other versions
DE3113514A1 (de
Inventor
Thomas 3097 Liebefeld Brönnimann
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.)
H BIERI AG MASCHINENFABRIK 3097 LIEBEFELD BERN CH
Original Assignee
H BIERI AG MASCHINENFABRIK 3097 LIEBEFELD BERN CH
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 H BIERI AG MASCHINENFABRIK 3097 LIEBEFELD BERN CH filed Critical H BIERI AG MASCHINENFABRIK 3097 LIEBEFELD BERN CH
Priority to DE19813113514 priority Critical patent/DE3113514C2/de
Priority to CH205082A priority patent/CH655546B/de
Publication of DE3113514A1 publication Critical patent/DE3113514A1/de
Application granted granted Critical
Publication of DE3113514C2 publication Critical patent/DE3113514C2/de
Expired 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Actuator (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
DE19813113514 1981-04-03 1981-04-03 Feststellvorrichtung für den Verlängerungsstempel eines Hydraulikzylinders Expired DE3113514C2 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19813113514 DE3113514C2 (de) 1981-04-03 1981-04-03 Feststellvorrichtung für den Verlängerungsstempel eines Hydraulikzylinders
CH205082A CH655546B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-04-03 1982-04-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813113514 DE3113514C2 (de) 1981-04-03 1981-04-03 Feststellvorrichtung für den Verlängerungsstempel eines Hydraulikzylinders

Publications (2)

Publication Number Publication Date
DE3113514A1 DE3113514A1 (de) 1982-11-18
DE3113514C2 true DE3113514C2 (de) 1983-12-29

Family

ID=6129277

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813113514 Expired DE3113514C2 (de) 1981-04-03 1981-04-03 Feststellvorrichtung für den Verlängerungsstempel eines Hydraulikzylinders

Country Status (2)

Country Link
CH (1) CH655546B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3113514C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104514500A (zh) * 2013-09-27 2015-04-15 中国石油化工集团公司 一种用于超浅层水平井套管配重器

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2607531B1 (fr) * 1986-12-02 1989-02-24 Delbaere Gilles Dispositif de forage de sol agissant selon un axe sensiblement horizontal
AT397692B (de) * 1992-02-19 1994-06-27 Voest Alpine Bergtechnik Schildvortriebsmaschine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104514500A (zh) * 2013-09-27 2015-04-15 中国石油化工集团公司 一种用于超浅层水平井套管配重器

Also Published As

Publication number Publication date
CH655546B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-04-30
DE3113514A1 (de) 1982-11-18

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee