DE3606094C2 - - Google Patents

Info

Publication number
DE3606094C2
DE3606094C2 DE19863606094 DE3606094A DE3606094C2 DE 3606094 C2 DE3606094 C2 DE 3606094C2 DE 19863606094 DE19863606094 DE 19863606094 DE 3606094 A DE3606094 A DE 3606094A DE 3606094 C2 DE3606094 C2 DE 3606094C2
Authority
DE
Germany
Prior art keywords
cap
frame according
cylinder
extension frame
adjusting
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 - Lifetime
Application number
DE19863606094
Other languages
German (de)
English (en)
Other versions
DE3606094A1 (de
Inventor
Dieter 4174 Issum De Astrath
Klaus Dr.-Ing. 5802 Wetter De Becker
Friedhelm 7250 Leonberg De Soeffge
Julius 7157 Leutenbach De Tueri
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.)
Caterpillar Global Mining Europe GmbH
Original Assignee
Dr Ing HCF Porsche AG
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 Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Priority to DE19863606094 priority Critical patent/DE3606094A1/de
Publication of DE3606094A1 publication Critical patent/DE3606094A1/de
Application granted granted Critical
Publication of DE3606094C2 publication Critical patent/DE3606094C2/de
Granted 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
    • E21D23/04—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
    • E21D23/063—Retractable cantilever extensions therefor
    • 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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Handcart (AREA)
  • Transmission Devices (AREA)
DE19863606094 1986-02-26 1986-02-26 Ausbaugestell mit anstellschiebekappe Granted DE3606094A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19863606094 DE3606094A1 (de) 1986-02-26 1986-02-26 Ausbaugestell mit anstellschiebekappe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863606094 DE3606094A1 (de) 1986-02-26 1986-02-26 Ausbaugestell mit anstellschiebekappe

Publications (2)

Publication Number Publication Date
DE3606094A1 DE3606094A1 (de) 1988-04-28
DE3606094C2 true DE3606094C2 (enExample) 1990-08-09

Family

ID=6294921

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863606094 Granted DE3606094A1 (de) 1986-02-26 1986-02-26 Ausbaugestell mit anstellschiebekappe

Country Status (1)

Country Link
DE (1) DE3606094A1 (enExample)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2705461B1 (de) * 1977-02-10 1978-05-18 Hemscheidt Maschf Hermann Vorpfaendeinrichtung fuer hydraulischen Schreitausbau
DE2900981B2 (de) * 1979-01-12 1980-10-30 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Vorpfändeinrichtung für hydraulische Schreitausbaugestelle

Also Published As

Publication number Publication date
DE3606094A1 (de) 1988-04-28

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: HERMANN HEMSCHEIDT MASCHINENFABRIK GMBH & CO, 5600

8110 Request for examination paragraph 44
D2 Grant after examination
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: HERMANN HEMSCHEIDT MASCHINENFABRIK GMBH & CO, 5600

8365 Fully valid after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: DBT DEUTSCHE BERGBAU-TECHNIK GMBH, 42109 WUPPERTAL

8339 Ceased/non-payment of the annual fee