FR1197629A - Perfectionnements apportés aux étançons hydrauliques pour mines - Google Patents

Perfectionnements apportés aux étançons hydrauliques pour mines

Info

Publication number
FR1197629A
FR1197629A FR1197629DA FR1197629A FR 1197629 A FR1197629 A FR 1197629A FR 1197629D A FR1197629D A FR 1197629DA FR 1197629 A FR1197629 A FR 1197629A
Authority
FR
France
Prior art keywords
mines
hydraulic props
props
hydraulic
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
Other languages
English (en)
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.)
Bochumer Eisenhuette Heintzmann GmbH and Co KG
Original Assignee
Bochumer Eisenhuette Heintzmann GmbH and Co 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 Bochumer Eisenhuette Heintzmann GmbH and Co KG filed Critical Bochumer Eisenhuette Heintzmann GmbH and Co KG
Application granted granted Critical
Publication of FR1197629A publication Critical patent/FR1197629A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/06—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising selenium or tellurium in uncombined form other than as impurities in semiconductor bodies of other materials
    • H01L21/10—Preliminary treatment of the selenium or tellurium, its application to the foundation plate, or the subsequent treatment of the combination
    • H01L21/101—Application of the selenium or tellurium to the foundation plate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25—Constructional features
    • B66F3/42—Constructional features with self-contained pumps, e.g. actuated by hand
    • 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
    • E21D15/005—Props; Chocks, e.g. made of flexible containers filled with backfilling material characterised by the material
    • 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
    • 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
    • E21D15/46—Telescopic props with load-measuring devices; with alarm devices
    • E21D15/465—Telescopic props with load-measuring devices; with alarm devices with essential hydraulic or pneumatic details
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Safety Valves (AREA)
  • Press Drives And Press Lines (AREA)
  • Check Valves (AREA)
  • Reciprocating Pumps (AREA)
  • Ink Jet (AREA)
FR1197629D 1955-05-06 1956-05-04 Perfectionnements apportés aux étançons hydrauliques pour mines Expired FR1197629A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT263755 1955-05-06

Publications (1)

Publication Number Publication Date
FR1197629A true FR1197629A (fr) 1959-12-02

Family

ID=25608428

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1197629D Expired FR1197629A (fr) 1955-05-06 1956-05-04 Perfectionnements apportés aux étançons hydrauliques pour mines

Country Status (5)

Country Link
BE (1) BE547581A (fr)
DE (2) DE1167298B (fr)
FR (1) FR1197629A (fr)
GB (2) GB822161A (fr)
NL (3) NL111780C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1170353B (de) * 1960-09-22 1964-05-21 Bwg Bergwerk Walzwerk Einrichtung zum Setzen von hydraulischen Grubenausbauelementen
DE1266708B (de) * 1965-12-02 1968-04-25 Kloeckner Werke Ag Hydraulischer Ausbauarhmen mit einem doppelt-wirkenden Rueckzylinder
US9267375B2 (en) 2010-02-19 2016-02-23 Council Of Scientific & Industrial Research Device for roof support of underground mine/tunnel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE871585C (de) * 1950-01-17 1953-03-23 Edgar Tacke Hydraulischer Grubenstempel
DE973341C (de) * 1951-03-13 1960-01-28 Ewald Wiemann Maschf Ventil fuer hydraulische Grubenstempel
DE924142C (de) * 1951-04-08 1955-02-28 Ringfeder Gmbh Grubenstempel
DE928945C (de) * 1951-06-09 1955-06-16 Eisenwerk Wanheim G M B H Verstellbarer hydraulischer Grubenstempel
DE918562C (de) * 1951-11-24 1954-09-30 Werner Sogalla Dr Ing Hydraulischer Grubenstempel
DE904858C (de) * 1951-12-04 1954-02-22 Wilhelm Reppel Hin und her gehender Druckuebersetzer fuer pneumatische Anlagen

Also Published As

Publication number Publication date
GB822162A (en) 1959-10-21
BE547581A (fr) 1956-11-05
NL111780C (fr) 1965-09-15
DE1167298B (de) 1964-04-09
DE1207316B (de) 1965-12-23
NL6501191A (fr) 1965-05-25
NL6501190A (fr) 1965-05-25
GB822161A (en) 1959-10-21

Similar Documents

Publication Publication Date Title
FR1178174A (fr) étançon hydraulique pour mine
FR1190532A (fr) Perfectionnements apportés aux supports de plafonds pour mines souterraines
FR1176882A (fr) Perfectionnements apportés aux étançons de mine hydrauliques
FR1197629A (fr) Perfectionnements apportés aux étançons hydrauliques pour mines
FR1102978A (fr) Perfectionnements aux étais hydrauliques pour mines
FR1174801A (fr) étançon hydraulique pour mines
FR1220890A (fr) Perfectionnements aux reniflards pour étais de mine
FR1249070A (fr) Perfectionnements aux étais hydrauliques pour mines
FR1117999A (fr) Perfectionnements aux vérins hydrauliques
FR1187688A (fr) Perfectionnements aux étais hydrauliques pour mines
FR1143032A (fr) Perfectionnements aux accumulateurs hydrauliques
FR1139841A (fr) Perfectionnements aux étais télescopiques
FR1173246A (fr) Perfectionnements apportés aux étançons hydrauliques pour mines
FR1128032A (fr) Perfectionnements apportés aux servo-moteurs hydrauliques
FR1155671A (fr) Perfectionnement aux étais hydrauliques pour mines
FR1139035A (fr) Perfectionnements aux coupleurs hydrauliques
FR1321725A (fr) Perfectionnements apportés aux étançons hydrauliques pour mines
FR1130143A (fr) Rallonge articulée pour supports de mines
FR1133580A (fr) Perfectionnements aux turbo-coupleurs hydrauliques
FR1175841A (fr) Perfectionnements relatifs aux étais hydrauliques de mines
FR1177929A (fr) Perfectionnements apportés aux étançons de mine hydrauliques
FR1176539A (fr) Perfectionnements apportés aux étançons de mine hydrauliques
FR1087309A (fr) Perfectionnements aux vérins, notamment pour les étais expansibles
FR1247864A (fr) Perfectionnements apportés aux étançons hydrauliques pour mines
FR85958E (fr) Perfectionnements apportés aux étançons hydrauliques pour mines