BE574256A - Etai de eine. - Google Patents

Etai de eine.

Info

Publication number
BE574256A
BE574256A BE574256A BE574256A BE574256A BE 574256 A BE574256 A BE 574256A BE 574256 A BE574256 A BE 574256A BE 574256 A BE574256 A BE 574256A BE 574256 A BE574256 A BE 574256A
Authority
BE
Belgium
Prior art keywords
prop
eine
eine prop
Prior art date
Application number
BE574256A
Other languages
English (en)
French (fr)
Inventor
Karl Maria Groetschel
Original Assignee
Karl Maria Groetschel
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 Karl Maria Groetschel filed Critical Karl Maria Groetschel
Publication of BE574256A publication Critical patent/BE574256A/fr

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
    • E21D15/58—Devices for setting props or chocks
    • E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
    • E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded
    • E21D15/588—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded the lock also being activated
    • 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
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/30—Telescopic props with parts held relatively to each other by friction or gripping by means expanded or contracted by pressure applied through the medium of a fluid or quasi- fluid, e.g. rubber
    • E21D15/306—Telescopic props with parts held relatively to each other by friction or gripping by means expanded or contracted by pressure applied through the medium of a fluid or quasi- fluid, e.g. rubber by means of a liquid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Press Drives And Press Lines (AREA)
  • Clamps And Clips (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
BE574256A 1957-12-30 1958-12-27 Etai de eine. BE574256A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG23637A DE1143172B (de) 1957-12-30 1957-12-30 Hydraulisch zu setzender und zu verspannender Grubenstempel

Publications (1)

Publication Number Publication Date
BE574256A true BE574256A (fr) 1959-04-16

Family

ID=7122237

Family Applications (1)

Application Number Title Priority Date Filing Date
BE574256A BE574256A (fr) 1957-12-30 1958-12-27 Etai de eine.

Country Status (3)

Country Link
BE (1) BE574256A (de)
DE (1) DE1143172B (de)
GB (1) GB904034A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1215635B (de) * 1963-11-29 1966-05-05 Rheinstahl Gmbh Wanheim Reibungsstempel mit hydraulischer Setz- und Spannvorrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE525116A (de) *
DE810863C (de) * 1947-05-28 1951-08-13 Eduard Koster Schloss fuer eiserne Grubenstempel
DE811107C (de) * 1950-01-17 1951-08-16 Beschlagfabrik Benninghoven Grubenstempel, bestehend aus zwei ineinanderschiebbaren Rohren
DE1009139B (de) * 1955-12-30 1957-05-29 Hermann Schwarz Kommanditgesel Zweiteiliger metallischer Grubenstempel mit einer durch Reibungsschluss unter elastischer Verformung erfolgenden Verspannung der Stempelteile und Verfahren zum Setzen

Also Published As

Publication number Publication date
DE1143172B (de) 1963-02-07
GB904034A (en) 1962-08-22

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