FR1273471A - Perfectionnement apporté aux étançons hydrauliques télescopiques - Google Patents

Perfectionnement apporté aux étançons hydrauliques télescopiques

Info

Publication number
FR1273471A
FR1273471A FR837619A FR837619A FR1273471A FR 1273471 A FR1273471 A FR 1273471A FR 837619 A FR837619 A FR 837619A FR 837619 A FR837619 A FR 837619A FR 1273471 A FR1273471 A FR 1273471A
Authority
FR
France
Prior art keywords
further development
telescopic hydraulic
hydraulic props
props
telescopic
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
FR837619A
Other languages
English (en)
Inventor
Roger Francois Jean Adam
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.)
Houilleres du Bassin du Nord et du Pas de Calais
Original Assignee
Houilleres du Bassin du Nord et du Pas de Calais
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
Priority to BE607500D priority Critical patent/BE607500A/xx
Application filed by Houilleres du Bassin du Nord et du Pas de Calais filed Critical Houilleres du Bassin du Nord et du Pas de Calais
Priority to FR837619A priority patent/FR1273471A/fr
Priority to GB3143561A priority patent/GB927765A/en
Priority to DEH43542A priority patent/DE1167299B/de
Application granted granted Critical
Publication of FR1273471A publication Critical patent/FR1273471A/fr
Expired 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
    • E21D15/50—Component parts or details of props
    • E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E21D15/512—Arrangement of valves

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)
  • Medicinal Preparation (AREA)
  • Fluid-Pressure Circuits (AREA)
FR837619A 1960-09-02 1960-09-02 Perfectionnement apporté aux étançons hydrauliques télescopiques Expired FR1273471A (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE607500D BE607500A (fr) 1960-09-02
FR837619A FR1273471A (fr) 1960-09-02 1960-09-02 Perfectionnement apporté aux étançons hydrauliques télescopiques
GB3143561A GB927765A (en) 1960-09-02 1961-08-31 Improvements in or relating to telescopic hydraulic pit props
DEH43542A DE1167299B (de) 1960-09-02 1961-09-01 Hydraulischer Stempel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR837619A FR1273471A (fr) 1960-09-02 1960-09-02 Perfectionnement apporté aux étançons hydrauliques télescopiques

Publications (1)

Publication Number Publication Date
FR1273471A true FR1273471A (fr) 1961-10-13

Family

ID=8738365

Family Applications (1)

Application Number Title Priority Date Filing Date
FR837619A Expired FR1273471A (fr) 1960-09-02 1960-09-02 Perfectionnement apporté aux étançons hydrauliques télescopiques

Country Status (4)

Country Link
BE (1) BE607500A (fr)
DE (1) DE1167299B (fr)
FR (1) FR1273471A (fr)
GB (1) GB927765A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2636791A1 (de) * 1975-09-09 1977-03-17 Voest Ag Hydraulischer grubenstempel
WO1995002748A1 (fr) * 1993-07-14 1995-01-26 Richard Voss Grubenausbau Gmbh Etançons de soutenement a soupape integree de limitation de pression et tuyaux cloues

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1226972B (de) * 1964-10-20 1966-10-20 Gewerk Eisenhuette Westfalia Hydraulischer Doppel-Teleskopstempel
ZA785167B (en) * 1978-09-12 1979-08-29 Bochumer Eisen Heintzmann A hydraulic mine prop
DE3150643A1 (de) * 1981-12-21 1983-06-30 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulischer teleskopstempel, insbesondere fuer einen untertaegigen schreitausbau, wie vor allem schildausbaugestelle
DE3521818A1 (de) * 1985-06-19 1987-01-02 Kloeckner Becorit Gmbh Dreifachteleskopstempel
CN111878128B (zh) * 2020-08-06 2021-08-10 山东中煤工矿物资集团有限公司 一种新型液压支柱

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE493811A (fr) *
US1685697A (en) * 1926-07-30 1928-09-25 Nathan M Guinsburg Jack
DE1063101B (de) * 1956-02-20 1959-08-13 Gutehoffnungshuette Sterkrade Hydraulischer Grubenstempel
DE1076603B (de) * 1957-01-07 1960-03-03 Deutschland Ag Maschf Hydraulisch-pneumatischer Grubenstempel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2636791A1 (de) * 1975-09-09 1977-03-17 Voest Ag Hydraulischer grubenstempel
WO1995002748A1 (fr) * 1993-07-14 1995-01-26 Richard Voss Grubenausbau Gmbh Etançons de soutenement a soupape integree de limitation de pression et tuyaux cloues
TR28747A (tr) * 1993-07-14 1997-02-20 Richard Vob Grubenausbau Gmbh Entegre basinc sinirlama kontrol subabli ve civili borulara sahip ikmal payandasi.
US5611646A (en) * 1993-07-14 1997-03-18 Richard Voss Grubenausbau Gmbh Support prop with integrated pressure limiting valve and nailed pipes

Also Published As

Publication number Publication date
BE607500A (fr)
GB927765A (en) 1963-06-06
DE1167299B (de) 1964-04-09

Similar Documents

Publication Publication Date Title
BE611240A (fr) Perfectionnements aux vérins hydrauliques
CH373419A (fr) Tampon hydraulique du type téléscopique
FR1273471A (fr) Perfectionnement apporté aux étançons hydrauliques télescopiques
FR1176882A (fr) Perfectionnements apportés aux étançons de mine hydrauliques
FR1190896A (fr) Perfectionnements aux étais de mine télescopiques
BE602739A (fr) Perfectionnements relatifs aux étais hydrauliques
BE601152A (fr) Etançons ou vérins perfectionnés
FR1201162A (fr) Perfectionnements aux étais ou vérins hydrauliques
FR78812E (fr) Perfectionnements aux turbo-coupleurs hydrauliques
FR1280684A (fr) étançon hydraulique
FR1283065A (fr) Perfectionnements aux étançons et vérins
FR1257192A (fr) Perfectionnement aux objectifs
FR1273119A (fr) Treuil hydraulique
FR1274266A (fr) Perfectionnement apporté aux herses portées
FR1268589A (fr) Perfectionnements aux circuits hydrauliques
FR1292586A (fr) étai hydraulique
FR1308403A (fr) étançon hydraulique télescopique
BE601151A (fr) Perfectionnements aux étançons et vérins
FR1265719A (fr) Perfectionnements aux étais hydrauliques
FR1265717A (fr) Perfectionnements apportés aux étais hydrauliques
BE595723A (fr) Perfectionnements apportés aux étais hydrauliques
FR1366540A (fr) Perfectionnements aux étançons hydrauliques
FR1254645A (fr) Perfectionnements apportés aux échafaudages
FR1266258A (fr) Perfectionnements aux turbo-coupleurs hydrauliques
FR1266949A (fr) Perfectionnements aux turbo-coupleurs hydrauliques