DE374845C - Process for coal production - Google Patents

Process for coal production

Info

Publication number
DE374845C
DE374845C DEB103048D DEB0103048D DE374845C DE 374845 C DE374845 C DE 374845C DE B103048 D DEB103048 D DE B103048D DE B0103048 D DEB0103048 D DE B0103048D DE 374845 C DE374845 C DE 374845C
Authority
DE
Germany
Prior art keywords
coal production
borehole
guided
abutment surface
atent
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
DEB103048D
Other languages
German (de)
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.)
Individual
Original Assignee
Individual
Publication date
Priority to DEB103048D priority Critical patent/DE374845C/en
Application granted granted Critical
Publication of DE374845C publication Critical patent/DE374845C/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C41/00—Methods of underground or surface mining; Layouts therefor
    • E21C41/16—Methods of underground mining; Layouts therefor
    • E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Description

Hierzu ι Blatt Zeichnungen.For this purpose ι sheet of drawings.

Claims (1)

P ATENT-Anspruch:P ATENT claim: Verfahren zur Hereingewinnung von Kohle nach Patent 373839, dadurch gekennzeichnet, daß das durch das Bohrloch geführte Zugmittel, wie Kette u. dgl., durch ein Verschlußstück am hinteren Ende gegen Herausreißen gesichert und so in Richtung gegen die Stoßfläche geführt wird, daß durch den Zug der Streifen zwischen Bohrloch und Stoßfläche abgesprengt wird.Process for the extraction of coal according to patent 373839, characterized in, that the traction means, such as a chain and the like, guided through the borehole, through a closure piece at the rear end secured against tearing out and is guided in the direction against the abutment surface that through the Train the strip between the borehole and the abutment surface is blasted off.
DEB103048D Process for coal production Expired DE374845C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEB103048D DE374845C (en) Process for coal production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB103048D DE374845C (en) Process for coal production

Publications (1)

Publication Number Publication Date
DE374845C true DE374845C (en) 1923-05-01

Family

ID=6990621

Family Applications (1)

Application Number Title Priority Date Filing Date
DEB103048D Expired DE374845C (en) Process for coal production

Country Status (1)

Country Link
DE (1) DE374845C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE963595C (en) * 1950-06-05 1957-05-09 Houilleres Bassin Du Nord Tool that can be pulled through a borehole by means of a rope or chain for gradual expansion

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE963595C (en) * 1950-06-05 1957-05-09 Houilleres Bassin Du Nord Tool that can be pulled through a borehole by means of a rope or chain for gradual expansion

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