FR1574005A - Improvement in anchor rods for mine galleries - Google Patents

Improvement in anchor rods for mine galleries

Info

Publication number
FR1574005A
FR1574005A FR146663A FR146663A FR1574005A FR 1574005 A FR1574005 A FR 1574005A FR 146663 A FR146663 A FR 146663A FR 146663 A FR146663 A FR 146663A FR 1574005 A FR1574005 A FR 1574005A
Authority
FR
France
Prior art keywords
improvement
anchor rods
mine galleries
galleries
mine
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
FR146663A
Other languages
French (fr)
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
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 Individual filed Critical Individual
Priority to FR146663A priority Critical patent/FR1574005A/en
Application granted granted Critical
Publication of FR1574005A publication Critical patent/FR1574005A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/16—Homopolymers or copolymers or vinylidene fluoride
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR146663A 1968-04-01 1968-04-01 Improvement in anchor rods for mine galleries Expired FR1574005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR146663A FR1574005A (en) 1968-04-01 1968-04-01 Improvement in anchor rods for mine galleries

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR146663A FR1574005A (en) 1968-04-01 1968-04-01 Improvement in anchor rods for mine galleries

Publications (1)

Publication Number Publication Date
FR1574005A true FR1574005A (en) 1969-07-11

Family

ID=8648458

Family Applications (1)

Application Number Title Priority Date Filing Date
FR146663A Expired FR1574005A (en) 1968-04-01 1968-04-01 Improvement in anchor rods for mine galleries

Country Status (1)

Country Link
FR (1) FR1574005A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4649729A (en) * 1985-01-14 1987-03-17 Florida Steel Corporation Method for manufacturing steel bar with intermittent smooth surface and patterned relief segments, and mine roof bolt product
WO2018096507A1 (en) * 2016-11-28 2018-05-31 Orica Mining Services South Africa (Pty) Ltd Coupled self-drilling rock bolt

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4649729A (en) * 1985-01-14 1987-03-17 Florida Steel Corporation Method for manufacturing steel bar with intermittent smooth surface and patterned relief segments, and mine roof bolt product
WO2018096507A1 (en) * 2016-11-28 2018-05-31 Orica Mining Services South Africa (Pty) Ltd Coupled self-drilling rock bolt

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Legal Events

Date Code Title Description
ST Notification of lapse