ZA741672B - Pins for mine and tunnel roofs and other structures - Google Patents

Pins for mine and tunnel roofs and other structures

Info

Publication number
ZA741672B
ZA741672B ZA00741672A ZA741672A ZA741672B ZA 741672 B ZA741672 B ZA 741672B ZA 00741672 A ZA00741672 A ZA 00741672A ZA 741672 A ZA741672 A ZA 741672A ZA 741672 B ZA741672 B ZA 741672B
Authority
ZA
South Africa
Prior art keywords
mine
pins
structures
tunnel roofs
roofs
Prior art date
Application number
ZA00741672A
Other languages
English (en)
Inventor
B Banerjee
M Gangal
S Black
Original Assignee
Lee Norse Co
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 Lee Norse Co filed Critical Lee Norse Co
Publication of ZA741672B publication Critical patent/ZA741672B/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B15/00—Nails; Staples
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
ZA00741672A 1973-04-16 1974-03-13 Pins for mine and tunnel roofs and other structures ZA741672B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00351575A US3832930A (en) 1973-04-16 1973-04-16 Pins for mine and tunnel roofs and other structures

Publications (1)

Publication Number Publication Date
ZA741672B true ZA741672B (en) 1975-02-26

Family

ID=23381466

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00741672A ZA741672B (en) 1973-04-16 1974-03-13 Pins for mine and tunnel roofs and other structures

Country Status (7)

Country Link
US (1) US3832930A (de)
AU (1) AU6659674A (de)
CA (1) CA986341A (de)
DE (1) DE2417896A1 (de)
FR (1) FR2225614B3 (de)
GB (1) GB1420553A (de)
ZA (1) ZA741672B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3899893A (en) * 1974-01-03 1975-08-19 Lee Norse Co Anchoring pin and method for structures such as mine and tunnel roofs and side walls
EP0128914A1 (de) * 1982-12-11 1984-12-27 Klaus Ketterer Vorrichtung zum ankern des gebirges
GB2345325A (en) * 1998-12-30 2000-07-05 Terrence Smith Blunt nail for wood

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB189912099A (en) * 1899-06-10 1900-06-09 Matthew Simpkin A Spike for Securing Railway Chairs to Sleepers, Iron Work to Timber, and Fastening of Timbers.
US1542281A (en) * 1923-05-16 1925-06-16 George X Wendling Square-end nail or staple
US1589971A (en) * 1925-05-02 1926-06-22 King S Concrete Crosstie Corp Railroad spike

Also Published As

Publication number Publication date
AU6659674A (en) 1975-09-18
CA986341A (en) 1976-03-30
FR2225614B3 (de) 1977-02-18
FR2225614A1 (de) 1974-11-08
US3832930A (en) 1974-09-03
DE2417896A1 (de) 1974-10-24
GB1420553A (en) 1976-01-07

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