FR1088438A - Process for the installation of extendable mine props and extendable props for the implementation of this process - Google Patents

Process for the installation of extendable mine props and extendable props for the implementation of this process

Info

Publication number
FR1088438A
FR1088438A FR1088438DA FR1088438A FR 1088438 A FR1088438 A FR 1088438A FR 1088438D A FR1088438D A FR 1088438DA FR 1088438 A FR1088438 A FR 1088438A
Authority
FR
France
Prior art keywords
extendable
props
implementation
installation
mine
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
Eugen Bellmann
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 FR1088438A publication Critical patent/FR1088438A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/58—Devices for setting props or chocks
    • E21D15/581—Devices for setting props or chocks in which the props are pre- loaded
    • E21D15/5817—Devices for setting props or chocks in which the props are pre- loaded in which the lock is also activated
FR1088438D 1953-01-15 1953-10-08 Process for the installation of extendable mine props and extendable props for the implementation of this process Expired FR1088438A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1088438X 1953-01-15

Publications (1)

Publication Number Publication Date
FR1088438A true FR1088438A (en) 1955-03-07

Family

ID=7721646

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1088438D Expired FR1088438A (en) 1953-01-15 1953-10-08 Process for the installation of extendable mine props and extendable props for the implementation of this process

Country Status (1)

Country Link
FR (1) FR1088438A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2973178A (en) * 1956-10-29 1961-02-28 Schwarz Hermann Kg Two-part metallic mine prop

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2973178A (en) * 1956-10-29 1961-02-28 Schwarz Hermann Kg Two-part metallic mine prop

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