FR1289337A - étançon de mine hydraulique - Google Patents

étançon de mine hydraulique

Info

Publication number
FR1289337A
FR1289337A FR862270A FR862270A FR1289337A FR 1289337 A FR1289337 A FR 1289337A FR 862270 A FR862270 A FR 862270A FR 862270 A FR862270 A FR 862270A FR 1289337 A FR1289337 A FR 1289337A
Authority
FR
France
Prior art keywords
mine prop
hydraulic mine
hydraulic
prop
mine
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
FR862270A
Other languages
English (en)
French (fr)
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.)
SCHWARZ KG HERMANN
Hermann Schwarz KG
Original Assignee
SCHWARZ KG HERMANN
Hermann Schwarz KG
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 SCHWARZ KG HERMANN, Hermann Schwarz KG filed Critical SCHWARZ KG HERMANN
Application granted granted Critical
Publication of FR1289337A publication Critical patent/FR1289337A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0069—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential advancing shifting 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
    • E21D15/15—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Prostheses (AREA)
  • Press Drives And Press Lines (AREA)
FR862270A 1960-05-21 1961-05-19 étançon de mine hydraulique Expired FR1289337A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESCH27933A DE1132878B (de) 1960-05-21 1960-05-21 Hydraulisches Stuetzelement fuer den Grubenausbau

Publications (1)

Publication Number Publication Date
FR1289337A true FR1289337A (fr) 1962-03-30

Family

ID=7430954

Family Applications (1)

Application Number Title Priority Date Filing Date
FR862270A Expired FR1289337A (fr) 1960-05-21 1961-05-19 étançon de mine hydraulique

Country Status (4)

Country Link
DE (1) DE1132878B (enrdf_load_html_response)
FR (1) FR1289337A (enrdf_load_html_response)
GB (1) GB972367A (enrdf_load_html_response)
NL (1) NL264813A (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL300061A (enrdf_load_html_response) * 1963-08-19

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2136080A (en) * 1934-09-19 1938-11-08 Sullivan Machinery Co Hydraulic abutment device
FR1075691A (fr) * 1953-03-16 1954-10-19 Nouvel étançon
DE1023436B (de) * 1955-11-24 1958-01-30 Hermann Schwarz Kommanditgesel Hydraulischer Grubenstempel
BE557875A (enrdf_load_html_response) * 1956-05-28
DE1024465B (de) * 1957-05-23 1958-02-20 Kronprinz Ag Hydraulischer Grubenstempel

Also Published As

Publication number Publication date
DE1132878B (de) 1962-07-12
NL264813A (enrdf_load_html_response)
GB972367A (en) 1964-10-14

Similar Documents

Publication Publication Date Title
FR1202536A (fr) étançon de mine
FR1248352A (fr) étai hydraulique de mine
BE605945A (fr) Etançon hydraulique de mine à course agrandie
BE601152A (fr) Etançons ou vérins perfectionnés
FR1280684A (fr) étançon hydraulique
FR1289337A (fr) étançon de mine hydraulique
BE602739A (fr) Perfectionnements relatifs aux étais hydrauliques
CH390059A (de) Hydraulischer Akkumulator
BE603540A (fr) Etançon de mine
FR1292586A (fr) étai hydraulique
FR1280693A (fr) étançon de mine hydropneumatique
FR1273119A (fr) Treuil hydraulique
FR1258270A (fr) Récepteur-moteur hydraulique
FR1279260A (fr) Appareil-transformateur-centrifugeur hydraulique
FR1308403A (fr) étançon hydraulique télescopique
FR1374185A (fr) étai hydraulique de mine
BE597445A (fr) Etançon de mine hydropneumatique.
BE573247A (nl) Hydraulische mijnstut
FR1296323A (fr) étançon de mine hydraulique à extension amplifiée
FR1289101A (fr) étançon de mine
FR1198137A (fr) étançon hydraulique
FR1247509A (fr) étançon hydraulique
FR1212988A (fr) Nouvel étançon de mine
FR1265718A (fr) étai hydraulique de mines
BE601510A (fr) Etançon de mine.