FR863909A - Improvements to stopgaps for mine shaft extraction cages and the like - Google Patents

Improvements to stopgaps for mine shaft extraction cages and the like

Info

Publication number
FR863909A
FR863909A FR863909DA FR863909A FR 863909 A FR863909 A FR 863909A FR 863909D A FR863909D A FR 863909DA FR 863909 A FR863909 A FR 863909A
Authority
FR
France
Prior art keywords
stopgaps
mine shaft
shaft extraction
cages
extraction cages
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
Albert Lecq
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 FR863909A publication Critical patent/FR863909A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B17/00—Hoistway equipment
    • B66B17/34—Safe lift clips; Keps
FR863909D 1939-10-28 1939-10-28 Improvements to stopgaps for mine shaft extraction cages and the like Expired FR863909A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR863909T 1939-10-28

Publications (1)

Publication Number Publication Date
FR863909A true FR863909A (en) 1941-04-12

Family

ID=9343524

Family Applications (1)

Application Number Title Priority Date Filing Date
FR863909D Expired FR863909A (en) 1939-10-28 1939-10-28 Improvements to stopgaps for mine shaft extraction cages and the like

Country Status (1)

Country Link
FR (1) FR863909A (en)

Similar Documents

Publication Publication Date Title
FR865009A (en) Accelerometer
FR51261E (en) Ball bearing improvements
FR865442A (en) Ball bearing improvements
FR863909A (en) Improvements to stopgaps for mine shaft extraction cages and the like
FR850296A (en) Shaft assembly
FR842382A (en) Bearing improvements
FR808706A (en) Improvements to cover letters and the like
FR876727A (en) Improvements to mixers and the like
FR916922A (en) Improvements to wall buffers or the like
FR838057A (en) Binder for clipping forms and the like
FR851581A (en) Improvements to tickets or the like
FR855890A (en) Improvements to injection pumps
FR858449A (en) Improvements to railway vehicles and similar vehicles
FR861159A (en) Improvements to grenades and similar devices
FR848608A (en) Improvements to material feed mechanisms
FR844072A (en) Pilots, piles or the like, as well as method and device for their anchoring
FR850997A (en) Improvements to spinning reels or the like
FR859291A (en) Improvements to footwear and the like
FR858993A (en) Improvements to bras and similar underwear
FR851203A (en) Anchor fitting
FR863053A (en) Improvements in gelatin extraction processes
FR845495A (en) Shoveling and extraction machine
FR858244A (en) Compressible mine post
FR858226A (en) Ball binder
FR864948A (en) Safety ventilation cup