DE3326098C2 - - Google Patents

Info

Publication number
DE3326098C2
DE3326098C2 DE19833326098 DE3326098A DE3326098C2 DE 3326098 C2 DE3326098 C2 DE 3326098C2 DE 19833326098 DE19833326098 DE 19833326098 DE 3326098 A DE3326098 A DE 3326098A DE 3326098 C2 DE3326098 C2 DE 3326098C2
Authority
DE
Germany
Prior art keywords
valve
stamp according
pit stamp
cylinder
pit
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
DE19833326098
Other languages
German (de)
English (en)
Other versions
DE3326098A1 (de
Inventor
Heinz 8775 Partenstein De Tepass
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 DE19833326098 priority Critical patent/DE3326098A1/de
Publication of DE3326098A1 publication Critical patent/DE3326098A1/de
Application granted granted Critical
Publication of DE3326098C2 publication Critical patent/DE3326098C2/de
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • E21D15/45—Hydraulic, pneumatic, or hydraulic-pneumatic props having closed fluid system, e.g. with built-in pumps or accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/18—Combined units comprising both motor and pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Actuator (AREA)
DE19833326098 1983-07-20 1983-07-20 Zylinder mit geschlossenem hydrauliksystem Granted DE3326098A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19833326098 DE3326098A1 (de) 1983-07-20 1983-07-20 Zylinder mit geschlossenem hydrauliksystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833326098 DE3326098A1 (de) 1983-07-20 1983-07-20 Zylinder mit geschlossenem hydrauliksystem

Publications (2)

Publication Number Publication Date
DE3326098A1 DE3326098A1 (de) 1985-02-07
DE3326098C2 true DE3326098C2 (OSRAM) 1987-11-05

Family

ID=6204415

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833326098 Granted DE3326098A1 (de) 1983-07-20 1983-07-20 Zylinder mit geschlossenem hydrauliksystem

Country Status (1)

Country Link
DE (1) DE3326098A1 (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3436946C2 (de) * 1984-10-09 1994-06-09 Mannesmann Ag Linearantrieb
DE19506882B4 (de) * 1995-02-17 2007-05-24 Bosch Rexroth Pneumatics Gmbh Kolben-Zylinder-Einheit mit einem Ventil

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE912163C (de) * 1952-06-06 1954-05-24 Wolfgang Heber Pressluftzylinder mit eingebauter, einen Bremskolben aufweisender OElbremse
DE1950503U (de) * 1966-04-01 1966-11-24 Wilhelm Jakobi Hydraulischer hubzylinder.
DE2648608C3 (de) * 1976-10-27 1979-11-29 Walter Hunger Kg, 8770 Lohr Steuereinrichtung für einen Differentialzylinder
JPS57127136A (en) * 1981-01-29 1982-08-07 Tokico Ltd Closed type cylinder device
GB2097860B (en) * 1981-04-30 1985-01-16 Lucas Ind Plc Actuator with accumulator

Also Published As

Publication number Publication date
DE3326098A1 (de) 1985-02-07

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8125 Change of the main classification

Ipc: E21D 15/45

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee