FR966303A - Provisional support method in metal support of mine sizes or the like - Google Patents

Provisional support method in metal support of mine sizes or the like

Info

Publication number
FR966303A
FR966303A FR966303DA FR966303A FR 966303 A FR966303 A FR 966303A FR 966303D A FR966303D A FR 966303DA FR 966303 A FR966303 A FR 966303A
Authority
FR
France
Prior art keywords
mine
sizes
support
provisional
metal
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
Karl Maria Groetschel
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
Application granted granted Critical
Publication of FR966303A publication Critical patent/FR966303A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/0213—Assembling devices for pivoting caps upwardly
FR966303D 1948-05-05 1948-05-05 Provisional support method in metal support of mine sizes or the like Expired FR966303A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR966303T 1948-05-05

Publications (1)

Publication Number Publication Date
FR966303A true FR966303A (en) 1950-10-06

Family

ID=9499860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR966303D Expired FR966303A (en) 1948-05-05 1948-05-05 Provisional support method in metal support of mine sizes or the like

Country Status (1)

Country Link
FR (1) FR966303A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE923603C (en) * 1951-12-12 1955-02-17 Jakob Mann Device for hanging metal stamps and caps on the hanging wall
DE1052936B (en) * 1952-11-03 1959-03-19 Gutehoffnungshuette Sterkrade Multi-part, articulated device for pre-joining caps when lining a pit
DE977121C (en) * 1951-08-19 1965-03-11 Karl Gerlach Auxiliary device for free pre-piling of joint caps in the longwall with a metal pit lining

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE977121C (en) * 1951-08-19 1965-03-11 Karl Gerlach Auxiliary device for free pre-piling of joint caps in the longwall with a metal pit lining
DE923603C (en) * 1951-12-12 1955-02-17 Jakob Mann Device for hanging metal stamps and caps on the hanging wall
DE1052936B (en) * 1952-11-03 1959-03-19 Gutehoffnungshuette Sterkrade Multi-part, articulated device for pre-joining caps when lining a pit

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