CS186691B1 - Roof bolt boom for securing the contact of the working face with the drift - Google Patents

Roof bolt boom for securing the contact of the working face with the drift

Info

Publication number
CS186691B1
CS186691B1 CS313477A CS313477A CS186691B1 CS 186691 B1 CS186691 B1 CS 186691B1 CS 313477 A CS313477 A CS 313477A CS 313477 A CS313477 A CS 313477A CS 186691 B1 CS186691 B1 CS 186691B1
Authority
CS
Czechoslovakia
Prior art keywords
drift
securing
contact
working face
roof bolt
Prior art date
Application number
CS313477A
Other languages
English (en)
Inventor
Josef Kolar
Jan Chlebik
Gerhard Weiss
Original Assignee
Josef Kolar
Jan Chlebik
Gerhard Weiss
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 Josef Kolar, Jan Chlebik, Gerhard Weiss filed Critical Josef Kolar
Priority to CS313477A priority Critical patent/CS186691B1/cs
Publication of CS186691B1 publication Critical patent/CS186691B1/cs

Links

CS313477A 1977-05-13 1977-05-13 Roof bolt boom for securing the contact of the working face with the drift CS186691B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS313477A CS186691B1 (en) 1977-05-13 1977-05-13 Roof bolt boom for securing the contact of the working face with the drift

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS313477A CS186691B1 (en) 1977-05-13 1977-05-13 Roof bolt boom for securing the contact of the working face with the drift

Publications (1)

Publication Number Publication Date
CS186691B1 true CS186691B1 (en) 1978-12-29

Family

ID=5370508

Family Applications (1)

Application Number Title Priority Date Filing Date
CS313477A CS186691B1 (en) 1977-05-13 1977-05-13 Roof bolt boom for securing the contact of the working face with the drift

Country Status (1)

Country Link
CS (1) CS186691B1 (cs)

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