CA986341A - Pins for mine and tunnel roofs and other structures - Google Patents

Pins for mine and tunnel roofs and other structures

Info

Publication number
CA986341A
CA986341A CA195,517A CA195517A CA986341A CA 986341 A CA986341 A CA 986341A CA 195517 A CA195517 A CA 195517A CA 986341 A CA986341 A CA 986341A
Authority
CA
Canada
Prior art keywords
mine
pins
structures
tunnel roofs
roofs
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
CA195,517A
Other languages
English (en)
Other versions
CA195517S (en
Inventor
Bani Banerjee
Mukund Gangal
Sigmund Black
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.)
Lee Norse Co
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
Application granted granted Critical
Publication of CA986341A publication Critical patent/CA986341A/en
Expired legal-status Critical Current

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)
CA195,517A 1973-04-16 1974-03-20 Pins for mine and tunnel roofs and other structures Expired CA986341A (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
CA986341A true CA986341A (en) 1976-03-30

Family

ID=23381466

Family Applications (1)

Application Number Title Priority Date Filing Date
CA195,517A Expired CA986341A (en) 1973-04-16 1974-03-20 Pins for mine and tunnel roofs and other structures

Country Status (7)

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

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 (fr) * 1982-12-11 1984-12-27 Klaus Ketterer Dispositif d'ancrage de roches
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
US3832930A (en) 1974-09-03
FR2225614A1 (fr) 1974-11-08
ZA741672B (en) 1975-02-26
DE2417896A1 (de) 1974-10-24
GB1420553A (en) 1976-01-07
AU6659674A (en) 1975-09-18
FR2225614B3 (fr) 1977-02-18

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