BE774043A - Perfectionnements aux boulons de soutenement - Google Patents

Perfectionnements aux boulons de soutenement

Info

Publication number
BE774043A
BE774043A BE774043A BE774043A BE774043A BE 774043 A BE774043 A BE 774043A BE 774043 A BE774043 A BE 774043A BE 774043 A BE774043 A BE 774043A BE 774043 A BE774043 A BE 774043A
Authority
BE
Belgium
Prior art keywords
support bolts
bolts
support
bolts improvements
Prior art date
Application number
BE774043A
Other languages
English (en)
Inventor
J L Maguin
A S Magron
D J Valeri
Original Assignee
Lorraine Houilleres
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 Lorraine Houilleres filed Critical Lorraine Houilleres
Publication of BE774043A publication Critical patent/BE774043A/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E21D21/006—Anchoring-bolts made of cables or wires

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Piles And Underground Anchors (AREA)
BE774043A 1970-10-21 1971-01-15 Perfectionnements aux boulons de soutenement BE774043A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7038024A FR2110549A5 (fr) 1970-10-21 1970-10-21

Publications (1)

Publication Number Publication Date
BE774043A true BE774043A (fr) 1972-01-31

Family

ID=9063069

Family Applications (1)

Application Number Title Priority Date Filing Date
BE774043A BE774043A (fr) 1970-10-21 1971-01-15 Perfectionnements aux boulons de soutenement

Country Status (6)

Country Link
BE (1) BE774043A (fr)
DE (1) DE2151886A1 (fr)
FR (1) FR2110549A5 (fr)
GB (1) GB1357440A (fr)
IT (1) IT943633B (fr)
NL (1) NL7114467A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1539433A (en) * 1976-08-06 1979-01-31 Ici Ltd Rock reinforcement
US4289427A (en) * 1979-02-07 1981-09-15 Owens-Corning Fiberglas Corporation Process for installing roof bolts
FR2626934B1 (fr) * 1988-02-10 1990-06-29 Ars Forges Boulonneries Boulon de soutenement pliable et procede de soutenement d'une galerie de mine le mettant en oeuvre
FR2650337A1 (fr) * 1989-07-27 1991-02-01 Timoni Patrice Dispositif de consolidation des terrains - boulon de scellement a longueur variable

Also Published As

Publication number Publication date
FR2110549A5 (fr) 1972-06-02
NL7114467A (fr) 1972-04-25
DE2151886A1 (de) 1972-04-27
GB1357440A (en) 1974-06-19
IT943633B (it) 1973-04-10

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