FR2225614A1 - - Google Patents

Info

Publication number
FR2225614A1
FR2225614A1 FR7413227A FR7413227A FR2225614A1 FR 2225614 A1 FR2225614 A1 FR 2225614A1 FR 7413227 A FR7413227 A FR 7413227A FR 7413227 A FR7413227 A FR 7413227A FR 2225614 A1 FR2225614 A1 FR 2225614A1
Authority
FR
France
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.)
Granted
Application number
FR7413227A
Other languages
French (fr)
Other versions
FR2225614B3 (de
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
Publication of FR2225614A1 publication Critical patent/FR2225614A1/fr
Application granted granted Critical
Publication of FR2225614B3 publication Critical patent/FR2225614B3/fr
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)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
FR7413227A 1973-04-16 1974-04-16 Expired FR2225614B3 (de)

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 (2)

Publication Number Publication Date
FR2225614A1 true FR2225614A1 (de) 1974-11-08
FR2225614B3 FR2225614B3 (de) 1977-02-18

Family

ID=23381466

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7413227A Expired FR2225614B3 (de) 1973-04-16 1974-04-16

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
DE2417896A1 (de) 1974-10-24
FR2225614B3 (de) 1977-02-18
CA986341A (en) 1976-03-30
GB1420553A (en) 1976-01-07
US3832930A (en) 1974-09-03
ZA741672B (en) 1975-02-26
AU6659674A (en) 1975-09-18

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Legal Events

Date Code Title Description
ST Notification of lapse