BE547581A - - Google Patents

Info

Publication number
BE547581A
BE547581A BE547581A BE547581A BE547581A BE 547581 A BE547581 A BE 547581A BE 547581 A BE547581 A BE 547581A BE 547581 A BE547581 A BE 547581A BE 547581 A BE547581 A BE 547581A
Authority
BE
Belgium
Application number
BE547581A
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 filed Critical
Publication of BE547581A publication Critical patent/BE547581A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture 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
    • H01L21/06Manufacture 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
    • H01L21/10Preliminary treatment of the selenium or tellurium, its application to the foundation plate, or the subsequent treatment of the combination
    • H01L21/101Application of the selenium or tellurium to the foundation plate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F3/00Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25Constructional features
    • B66F3/42Constructional features with self-contained pumps, e.g. actuated by hand
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/005Props; Chocks, e.g. made of flexible containers filled with backfilling material characterised by the material
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14Telescopic props
    • E21D15/44Hydraulic, pneumatic, or hydraulic-pneumatic props
    • E21D15/45Hydraulic, pneumatic, or hydraulic-pneumatic props having closed fluid system, e.g. with built-in pumps or accumulators
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14Telescopic props
    • E21D15/46Telescopic props with load-measuring devices; with alarm devices
    • E21D15/465Telescopic props with load-measuring devices; with alarm devices with essential hydraulic or pneumatic details
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/58Devices for setting props or chocks
    • E21D15/585Devices 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/58Devices for setting props or chocks
    • E21D15/585Devices 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
    • E21D15/586Devices 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)
BE547581A 1955-05-06 1956-05-05 BE547581A (xx)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE547581A true BE547581A (xx) 1956-11-05

Family

ID=25608428

Family Applications (1)

Application Number Title Priority Date Filing Date
BE547581A BE547581A (xx) 1955-05-06 1956-05-05

Country Status (5)

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

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
FR1197629A (fr) 1959-12-02
NL111780C (xx) 1965-09-15
DE1167298B (de) 1964-04-09
DE1207316B (de) 1965-12-23
NL6501191A (xx) 1965-05-25
NL6501190A (xx) 1965-05-25
GB822161A (en) 1959-10-21

Similar Documents

Publication Publication Date Title
AT198143B (xx)
AT194324B (xx)
AT198671B (xx)
AT195882B (xx)
AT195787B (xx)
AT195202B (xx)
AT193805B (xx)
AT198478B (xx)
AT197696B (xx)
AT194860B (xx)
AT196165B (xx)
AT196487B (xx)
AT195329B (xx)
AT195450B (xx)
AT195570B (xx)
AT195613B (xx)
AT195620B (xx)
AT195663B (xx)
AT195705B (xx)
AT195039B (xx)
AT195857B (xx)
AT195858B (xx)
AT194962B (xx)
AT196153B (xx)
AT193797B (xx)