BE644328A - - Google Patents

Info

Publication number
BE644328A
BE644328A BE644328A BE644328A BE644328A BE 644328 A BE644328 A BE 644328A BE 644328 A BE644328 A BE 644328A BE 644328 A BE644328 A BE 644328A BE 644328 A BE644328 A BE 644328A
Authority
BE
Belgium
Prior art keywords
emi
shows
shells
rod
upper shell
Prior art date
Application number
BE644328A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE644328A publication Critical patent/BE644328A/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
    • E21D21/008—Anchoring or tensioning means

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)
  • Geophysics And Detection Of Objects (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
BE644328A 1962-11-28 1964-02-25 BE644328A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR916868 1962-11-28

Publications (1)

Publication Number Publication Date
BE644328A true BE644328A (enrdf_load_stackoverflow) 1964-08-25

Family

ID=8791713

Family Applications (1)

Application Number Title Priority Date Filing Date
BE644328A BE644328A (enrdf_load_stackoverflow) 1962-11-28 1964-02-25

Country Status (2)

Country Link
BE (1) BE644328A (enrdf_load_stackoverflow)
FR (1) FR1348531A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5964558A (en) * 1996-08-16 1999-10-12 Hilti Aktiengesellschaft Expansion dowel

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3339449A (en) * 1965-01-27 1967-09-05 Lerich Lester Anchor bolt with expansion sleeve
US3451304A (en) * 1967-10-12 1969-06-24 Raymond H Taylor Slotted wedge-type eyebolt

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5964558A (en) * 1996-08-16 1999-10-12 Hilti Aktiengesellschaft Expansion dowel

Also Published As

Publication number Publication date
FR1348531A (enrdf_load_stackoverflow) 1964-04-10

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