BE602123A - Dispositif mobile de soutènement du toit, destiné aux soutènements de taille mobiles - Google Patents

Dispositif mobile de soutènement du toit, destiné aux soutènements de taille mobiles

Info

Publication number
BE602123A
BE602123A BE602123A BE602123A BE602123A BE 602123 A BE602123 A BE 602123A BE 602123 A BE602123 A BE 602123A BE 602123 A BE602123 A BE 602123A BE 602123 A BE602123 A BE 602123A
Authority
BE
Belgium
Prior art keywords
mobile
supports
intended
support device
pruning
Prior art date
Application number
BE602123A
Other languages
English (en)
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
Priority claimed from DEG30180A external-priority patent/DE1158467B/de
Application filed by Karl Maria Groetschel filed Critical Karl Maria Groetschel
Publication of BE602123A publication Critical patent/BE602123A/fr

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
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/006—Caps for supporting mine roofs characterised by the material
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/0206—Hydraulically operated extension devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/08—Cap joints for obtaining a coal-face free of pit-props
    • E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type
    • 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
    • E21D23/0073—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 with advancing shifting devices connected therewith

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)
  • Actuator (AREA)
  • Bridges Or Land Bridges (AREA)
  • Paper (AREA)
BE602123A 1960-04-01 1961-03-31 Dispositif mobile de soutènement du toit, destiné aux soutènements de taille mobiles BE602123A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEG29358A DE1149679B (de) 1960-04-01 1960-04-01 Vorrichtung zum maschinellen Verriegeln und Entriegeln von frei tragend vorzupfaendenden Kappen
DEG29853A DE1152982B (de) 1960-04-01 1960-06-11 Vorrichtung zum maschinellen Verriegeln und Entriegeln von einer oder mehreren von einem Abstuetzelement aus durch Verriegelungsorgane frei tragend vorgepfaendeten Kappen
DEG30180A DE1158467B (de) 1960-07-28 1960-07-28 Vorrichtung zur hydraulischen Betaetigung der Verriegelung von einem rueckbaren Abstuetzelement fuer den Strebausbau freitragend vorgepfaendeter Kappen

Publications (1)

Publication Number Publication Date
BE602123A true BE602123A (fr) 1961-10-02

Family

ID=27210584

Family Applications (1)

Application Number Title Priority Date Filing Date
BE602123A BE602123A (fr) 1960-04-01 1961-03-31 Dispositif mobile de soutènement du toit, destiné aux soutènements de taille mobiles

Country Status (5)

Country Link
US (1) US3217498A (fr)
AT (1) AT239727B (fr)
BE (1) BE602123A (fr)
DE (2) DE1149679B (fr)
GB (1) GB983551A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8719200D0 (en) * 1987-08-13 1987-09-23 Dowty Mining Equipment Ltd Roof supports

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1069100B (fr) * 1959-11-19
US1469360A (en) * 1920-07-23 1923-10-02 Niles Bement Pond Co Clamp and grip chuck
US2749712A (en) * 1949-11-25 1956-06-12 Gerlach Karl Mine supporting structure for working mines
DE1022992B (de) * 1951-05-15 1958-01-23 Gutehoffnungshuette Sterkrade Grubenausbaukappe mit Gelenkverbindung
BE535250A (fr) * 1954-01-29
US2884272A (en) * 1955-01-19 1959-04-28 Hans Gerlach Roof support structure for mine workings
GB950451A (en) * 1959-02-28 1964-02-26 Wilfrid George Reid Improvements in the jointing of plaster board and like structural materials

Also Published As

Publication number Publication date
US3217498A (en) 1965-11-16
AT239727B (de) 1965-04-26
DE1152982B (de) 1963-08-22
GB983551A (en) 1965-02-17
DE1149679B (de) 1963-06-06

Similar Documents

Publication Publication Date Title
BE593157A (fr) Caniveau de support.
FR1291865A (fr) Système de radio navigation aérienne
DK105574C (da) Teleskopsvingtag til køretøjer.
AT255713B (de) Dachentlüftungseinrichtung
BE608479A (fr) Système de radioguidage et radiobalise.
BE602123A (fr) Dispositif mobile de soutènement du toit, destiné aux soutènements de taille mobiles
CH410072A (de) Allrichtungs-Radionavigationsanlage
FR1284972A (fr) Dispositif mobile de soutènement du toit, destiné aux soutènements de taille mobiles
FR1177216A (fr) Dispositif de rabotage pour exploitation de veines en dressant avec soutènement mobile
FR1225238A (fr) Perfectionnements aux aspirateurs de poussière mobiles
FR1174669A (fr) Dispositif de montage de visière mobile sur casques
FR1222797A (fr) Dispositif de ventilation
FR1250713A (fr) Soutènement de toit de mine
FR1340145A (fr) Support de toit de mine
CH400253A (fr) Système de téléphonie automatique
FR1280868A (fr) Système de transmission radioélectrique
FR1302724A (fr) Soutènement de toit pour mines
FR1337133A (fr) Support de toit de mine
FR1217874A (fr) Dispositif de support destiné aux opérations de frittage
FR1341023A (fr) Support de toit
FR1228990A (fr) Dispositif de ventilation pour véhicule
FR1279514A (fr) Radio-récepteur, en particulier récepteur auto-radio portatif
FR1245354A (fr) Dispositif d'immobilisation de supports mobiles
FR1193214A (fr) Dispositif pour désodoriser, en particulier pour véhicules
FR70430E (fr) Dispositif de guidage de mobiles