FR1464545A - Allonge pivotante pour un chapeau de soutènement - Google Patents

Allonge pivotante pour un chapeau de soutènement

Info

Publication number
FR1464545A
FR1464545A FR46579A FR46579A FR1464545A FR 1464545 A FR1464545 A FR 1464545A FR 46579 A FR46579 A FR 46579A FR 46579 A FR46579 A FR 46579A FR 1464545 A FR1464545 A FR 1464545A
Authority
FR
France
Prior art keywords
retaining cap
swivel extension
swivel
extension
retaining
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
FR46579A
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.)
Hoesch Bergbautechnik GmbH
Original Assignee
Hoesch Bergbautechnik GmbH
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 Hoesch Bergbautechnik GmbH filed Critical Hoesch Bergbautechnik GmbH
Application granted granted Critical
Publication of FR1464545A publication Critical patent/FR1464545A/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
    • 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
    • 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
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
    • E21D23/066—Pivoted cantilever extensions therefor

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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
FR46579A 1965-03-06 1966-01-20 Allonge pivotante pour un chapeau de soutènement Expired FR1464545A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH55384A DE1230745B (de) 1965-03-06 1965-03-06 An einer Kappe angelenkte Vorpfaendkappe

Publications (1)

Publication Number Publication Date
FR1464545A true FR1464545A (fr) 1966-07-22

Family

ID=7159019

Family Applications (1)

Application Number Title Priority Date Filing Date
FR46579A Expired FR1464545A (fr) 1965-03-06 1966-01-20 Allonge pivotante pour un chapeau de soutènement

Country Status (5)

Country Link
BE (1) BE675424A (US07166745-20070123-C00016.png)
DE (1) DE1230745B (US07166745-20070123-C00016.png)
FR (1) FR1464545A (US07166745-20070123-C00016.png)
GB (1) GB1079110A (US07166745-20070123-C00016.png)
NL (1) NL6516546A (US07166745-20070123-C00016.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2456210A1 (fr) * 1979-05-08 1980-12-05 Gewerk Eisenhuette Westfalia Dispositif formant allonge, comportant une visiere capable de pivoter par rapport au toit
FR2500526A1 (fr) * 1981-02-26 1982-08-27 Gewerk Eisenhuette Westfalia Dispositif de reglage de chapeau de piles de soutenement

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2819172C2 (de) * 1978-05-02 1985-01-24 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Vorpfändeinrichtung für hydraulischen Schreitausbau
GB2082236B (en) * 1980-08-06 1984-03-07 Dowty Mining Equipment Ltd Mine roof support with cantilever extension on roof plate
DE3115984A1 (de) * 1981-04-22 1982-11-25 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Kappenanstellvorrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1164351B (de) * 1954-09-10 1964-03-05 Hansjoachim Von Hippel Dr Ing Vorpfaendkappe fuer Stempelausbau

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2456210A1 (fr) * 1979-05-08 1980-12-05 Gewerk Eisenhuette Westfalia Dispositif formant allonge, comportant une visiere capable de pivoter par rapport au toit
FR2500526A1 (fr) * 1981-02-26 1982-08-27 Gewerk Eisenhuette Westfalia Dispositif de reglage de chapeau de piles de soutenement

Also Published As

Publication number Publication date
NL6516546A (US07166745-20070123-C00016.png) 1966-09-07
GB1079110A (en) 1967-08-16
DE1230745B (de) 1966-12-22
BE675424A (US07166745-20070123-C00016.png) 1966-05-16

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