FI892360A0 - HOPFAELLBAR HYDRAULISK GRUVSTOETTA. - Google Patents

HOPFAELLBAR HYDRAULISK GRUVSTOETTA.

Info

Publication number
FI892360A0
FI892360A0 FI892360A FI892360A FI892360A0 FI 892360 A0 FI892360 A0 FI 892360A0 FI 892360 A FI892360 A FI 892360A FI 892360 A FI892360 A FI 892360A FI 892360 A0 FI892360 A0 FI 892360A0
Authority
FI
Finland
Prior art keywords
hopfaellbar
gruvstoetta
hydraulisk
hydraulisk gruvstoetta
hopfaellbar hydraulisk
Prior art date
Application number
FI892360A
Other languages
Finnish (fi)
Other versions
FI892360A (en
Inventor
Milan Svrcula
Petr Kallus
Lubomir Ivan
Jan Bodi
Lazlo Kocsanyi
Istvan Benecz
Zsolt Szilvassy
Original Assignee
Vedeckovyzkumny Uhelny Ustav
Koezponti Banyaszati Fejleszte
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 Vedeckovyzkumny Uhelny Ustav, Koezponti Banyaszati Fejleszte filed Critical Vedeckovyzkumny Uhelny Ustav
Publication of FI892360A0 publication Critical patent/FI892360A0/en
Publication of FI892360A publication Critical patent/FI892360A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • E21D20/02—Setting anchoring-bolts with provisions for grouting
    • E21D20/021—Grouting with inorganic components, e.g. cement
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/008—Anchoring or tensioning means
FI892360A 1988-05-18 1989-05-17 HOPFAELLBAR HYDRAULISK GRUVSTOETTA. FI892360A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS332688A CS274598B2 (en) 1988-05-18 1988-05-18 Hydraulically clampable roof bolt for rocky massif's stiffening and consolidation

Publications (2)

Publication Number Publication Date
FI892360A0 true FI892360A0 (en) 1989-05-17
FI892360A FI892360A (en) 1989-11-19

Family

ID=5372970

Family Applications (1)

Application Number Title Priority Date Filing Date
FI892360A FI892360A (en) 1988-05-18 1989-05-17 HOPFAELLBAR HYDRAULISK GRUVSTOETTA.

Country Status (4)

Country Link
CS (1) CS274598B2 (en)
DE (1) DE3915921A1 (en)
FI (1) FI892360A (en)
HU (1) HUH3510A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ301263B6 (en) * 2003-01-24 2009-12-23 Ankra, S.R.O. Rock grouting bolt and process for producing thereof

Also Published As

Publication number Publication date
CS8803326A1 (en) 1991-01-15
CS274598B2 (en) 1991-08-13
DE3915921A1 (en) 1989-12-14
HUH3510A (en) 1990-12-28
FI892360A (en) 1989-11-19

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: KOEZPONTI BáNYáSZATI FEJLESZTéSI INTéZET

Owner name: VEDECKOVYZKUMNY UHELNY USTAV