DE3545588C2 - - Google Patents

Info

Publication number
DE3545588C2
DE3545588C2 DE19853545588 DE3545588A DE3545588C2 DE 3545588 C2 DE3545588 C2 DE 3545588C2 DE 19853545588 DE19853545588 DE 19853545588 DE 3545588 A DE3545588 A DE 3545588A DE 3545588 C2 DE3545588 C2 DE 3545588C2
Authority
DE
Germany
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
DE19853545588
Other languages
German (de)
Other versions
DE3545588A1 (en
Inventor
Helmut Peters
Alfred 5120 Herzogenrath De Peters
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.)
Pettep-Bergbaubedarf 5120 Herzogenrath De GmbH
Original Assignee
Pettep-Bergbaubedarf 5120 Herzogenrath De 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
Priority claimed from DE19848437420 external-priority patent/DE8437420U1/en
Application filed by Pettep-Bergbaubedarf 5120 Herzogenrath De GmbH filed Critical Pettep-Bergbaubedarf 5120 Herzogenrath De GmbH
Priority to DE19853545588 priority Critical patent/DE3545588A1/en
Publication of DE3545588A1 publication Critical patent/DE3545588A1/en
Application granted granted Critical
Publication of DE3545588C2 publication Critical patent/DE3545588C2/de
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D19/00—Provisional protective covers for working space
    • E21D19/04—Provisional protective covers for working space for use in drifting galleries
    • 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
    • E21D17/03—Brackets for roof-supporting bars
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/02—Suspension devices for tubes or the like, e.g. for ventilating ducts

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)
  • Clamps And Clips (AREA)
DE19853545588 1984-12-21 1985-12-21 Forepoling device for mine supports Granted DE3545588A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19853545588 DE3545588A1 (en) 1984-12-21 1985-12-21 Forepoling device for mine supports

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19848437420 DE8437420U1 (en) 1984-12-21 1984-12-21 PITCHING DEVICE FOR PIT EXTENSION
DE19853545588 DE3545588A1 (en) 1984-12-21 1985-12-21 Forepoling device for mine supports

Publications (2)

Publication Number Publication Date
DE3545588A1 DE3545588A1 (en) 1986-11-06
DE3545588C2 true DE3545588C2 (en) 1987-02-19

Family

ID=25839217

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853545588 Granted DE3545588A1 (en) 1984-12-21 1985-12-21 Forepoling device for mine supports

Country Status (1)

Country Link
DE (1) DE3545588A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9101776U1 (en) * 1991-02-15 1991-06-27 Mueller & Borggraefe Gmbh, 5820 Gevelsberg, De

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103306694A (en) * 2013-05-20 2013-09-18 四川省华蓥山煤业股份有限公司李子垭南煤矿 Cantilever support method and device for heavy-pitch soft coal seam in roadway excavation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE962422C (en) * 1952-11-18 1957-04-25 Peter Peters Vorpfaendeinrichtung for pit extensions

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9101776U1 (en) * 1991-02-15 1991-06-27 Mueller & Borggraefe Gmbh, 5820 Gevelsberg, De

Also Published As

Publication number Publication date
DE3545588A1 (en) 1986-11-06

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee