DE1533749A1 - Hydraulischer Grubenstempel - Google Patents

Hydraulischer Grubenstempel

Info

Publication number
DE1533749A1
DE1533749A1 DE19671533749 DE1533749A DE1533749A1 DE 1533749 A1 DE1533749 A1 DE 1533749A1 DE 19671533749 DE19671533749 DE 19671533749 DE 1533749 A DE1533749 A DE 1533749A DE 1533749 A1 DE1533749 A1 DE 1533749A1
Authority
DE
Germany
Prior art keywords
ring
punch
tube
wiper
hydraulic 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.)
Pending
Application number
DE19671533749
Other languages
German (de)
English (en)
Inventor
Herbert Schulze-Heiming
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.)
Kloeckner Werke AG
Original Assignee
Kloeckner Werke AG
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 Kloeckner Werke AG filed Critical Kloeckner Werke AG
Publication of DE1533749A1 publication Critical patent/DE1533749A1/de
Pending 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
    • E21D15/15—Means counteracting entry of dirt; Built-in cleaning devices
    • E21D15/155—Built-in cleaning devices
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
    • F16J15/3224—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip capable of accommodating changes in distances or misalignment between the surfaces, e.g. able to compensate for defaults of eccentricity or angular deviations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (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)
  • Earth Drilling (AREA)
DE19671533749 1967-04-13 1967-04-13 Hydraulischer Grubenstempel Pending DE1533749A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK0061988 1967-04-13

Publications (1)

Publication Number Publication Date
DE1533749A1 true DE1533749A1 (de) 1970-01-22

Family

ID=7230366

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19671533749 Pending DE1533749A1 (de) 1967-04-13 1967-04-13 Hydraulischer Grubenstempel

Country Status (4)

Country Link
BE (1) BE712965A (en:Method)
DE (1) DE1533749A1 (en:Method)
FR (1) FR1557454A (en:Method)
NL (1) NL6804982A (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2403852C3 (de) 1974-01-28 1981-01-08 Gewerkschaft Eisenhuette Westfalia, 4670 Luenen Hydraulischer Teleskopstempel für den Grubenausbau

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2925467A1 (de) * 1979-06-23 1981-01-22 Salzgitter Maschinen Ag Dichtvorrichtung zwischen spuelrohr und einsteckende eines schlaggeraets

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2403852C3 (de) 1974-01-28 1981-01-08 Gewerkschaft Eisenhuette Westfalia, 4670 Luenen Hydraulischer Teleskopstempel für den Grubenausbau

Also Published As

Publication number Publication date
NL6804982A (en:Method) 1968-10-14
BE712965A (en:Method) 1968-07-31
FR1557454A (en:Method) 1969-02-14

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Legal Events

Date Code Title Description
SH Request for examination between 03.10.1968 and 22.04.1971