FR821029A - Joint cover for metal support in mines - Google Patents

Joint cover for metal support in mines

Info

Publication number
FR821029A
FR821029A FR821029DA FR821029A FR 821029 A FR821029 A FR 821029A FR 821029D A FR821029D A FR 821029DA FR 821029 A FR821029 A FR 821029A
Authority
FR
France
Prior art keywords
mines
metal support
joint cover
joint
cover
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
Other languages
French (fr)
Inventor
Josef Meiser
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
Priority claimed from DEM132715D external-priority patent/DE646473C/en
Priority claimed from DEM134439D external-priority patent/DE647482C/en
Priority claimed from DEM134545D external-priority patent/DE649479C/en
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR821029A publication Critical patent/FR821029A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
FR821029D 1935-11-23 1936-11-09 Joint cover for metal support in mines Expired FR821029A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEM132715D DE646473C (en) 1935-11-23 1935-11-23 Connection for the extension parts of flexible, arched or ring-shaped pit support frames
DEM134439D DE647482C (en) 1935-11-23 1936-05-09 Connection for the extension parts of flexible, arched or ring-shaped pit support frames
DEM134545D DE649479C (en) 1935-11-23 1936-05-18 Connection for the extension parts of flexible arched or ring-shaped pit support frame

Publications (1)

Publication Number Publication Date
FR821029A true FR821029A (en) 1937-11-25

Family

ID=6738946

Family Applications (1)

Application Number Title Priority Date Filing Date
FR821029D Expired FR821029A (en) 1935-11-23 1936-11-09 Joint cover for metal support in mines

Country Status (2)

Country Link
BE (1) BE418280A (en)
FR (1) FR821029A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448955A (en) * 1965-12-16 1969-06-10 Guest Keen & Nettlefolds Ltd Splice joint for cable trays

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448955A (en) * 1965-12-16 1969-06-10 Guest Keen & Nettlefolds Ltd Splice joint for cable trays

Also Published As

Publication number Publication date
BE418280A (en) 1936-12-31

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