FR916329A - Metal extensions usable for support in mines - Google Patents

Metal extensions usable for support in mines

Info

Publication number
FR916329A
FR916329A FR916329DA FR916329A FR 916329 A FR916329 A FR 916329A FR 916329D A FR916329D A FR 916329DA FR 916329 A FR916329 A FR 916329A
Authority
FR
France
Prior art keywords
mines
support
metal extensions
usable
extensions usable
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
Andre Gardin
Jules Porte
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 FR916329A publication Critical patent/FR916329A/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
    • E21D17/01—Caps for supporting mine roofs characterised by the shape of the cap, e.g. of specified cross-section
FR916329D 1945-06-13 1945-06-13 Metal extensions usable for support in mines Expired FR916329A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR916329T 1945-06-13

Publications (1)

Publication Number Publication Date
FR916329A true FR916329A (en) 1946-12-03

Family

ID=9423271

Family Applications (1)

Application Number Title Priority Date Filing Date
FR916329D Expired FR916329A (en) 1945-06-13 1945-06-13 Metal extensions usable for support in mines

Country Status (1)

Country Link
FR (1) FR916329A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1013246B (en) * 1953-01-13 1957-08-08 Ewald Wiemann Maschf Metal cap with a profile open at the bottom

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1013246B (en) * 1953-01-13 1957-08-08 Ewald Wiemann Maschf Metal cap with a profile open at the bottom

Similar Documents

Publication Publication Date Title
FR927345A (en) electrode for welding
FR994290A (en) Adherometer for vehicles
FR903013A (en) Fluid valve-regulator
FR916329A (en) Metal extensions usable for support in mines
CH253885A (en) Support for the presentation of wristwatches.
FR896256A (en) Lifting device for moving through windows
FR994834A (en) Pipe connection
FR918446A (en) Metal alloys
FR920987A (en) Improvements in frequency regulators
FR55947E (en) Metal formwork material
FR940939A (en) Unibody for automobiles
FR913723A (en) Metal prop
FR914243A (en) Metal slate for roof
FR911002A (en) Metal support system for mines
FR921426A (en) Metal frame
FR919330A (en) Suspension for cycles
FR994294A (en) Metal plane
FR912884A (en) Windshield for cycles
FR917515A (en) Metal case
ES176821A1 (en) IMPROVEMENTS IN METAL BRIDGES
FR912772A (en) Metal churn-mixer without mixing rollers
FR992548A (en) Microfilm pocket
FR908796A (en) Busts supports for crutches
FR917343A (en) metal props
FR909116A (en) Mobile hanger for vault construction