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FR46395E - Improvements to props, more particularly applicable to the mining industry - Google Patents

Improvements to props, more particularly applicable to the mining industry

Info

Publication number
FR46395E
FR46395E FR46395DA FR46395E FR 46395 E FR46395 E FR 46395E FR 46395D A FR46395D A FR 46395DA FR 46395 E FR46395 E FR 46395E
Authority
FR
France
Prior art keywords
props
particularly applicable
mining industry
mining
industry
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
Louis Joseph Eugene Boileau
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.)
BOILEAU LOUIS JOSEPH
Original Assignee
BOILEAU LOUIS JOSEPH
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 by BOILEAU LOUIS JOSEPH filed Critical BOILEAU LOUIS JOSEPH
Application granted granted Critical
Publication of FR46395E publication Critical patent/FR46395E/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
    • E21D15/24—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with axial screw-and-nut, rack-and-worm, or like mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/04—Arrangements of piping, valves in the piping, e.g. cut-off valves, couplings or air hoses
    • B60T17/043—Brake line couplings, air hoses and stopcocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G5/00—Couplings for special purposes not otherwise provided for
    • B61G5/06—Couplings for special purposes not otherwise provided for for, or combined with, couplings or connectors for fluid conduits or electric cables
    • B61G5/08—Couplings for special purposes not otherwise provided for for, or combined with, couplings or connectors for fluid conduits or electric cables for fluid conduits

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Transportation (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
FR46395D 1935-02-21 1935-02-21 Improvements to props, more particularly applicable to the mining industry Expired FR46395E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR46395T 1935-02-21

Publications (1)

Publication Number Publication Date
FR46395E true FR46395E (en) 1936-06-02

Family

ID=8682020

Family Applications (1)

Application Number Title Priority Date Filing Date
FR46395D Expired FR46395E (en) 1935-02-21 1935-02-21 Improvements to props, more particularly applicable to the mining industry

Country Status (3)

Country Link
BE (1) BE408159A (en)
FR (1) FR46395E (en)
GB (1) GB438561A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202011101036U1 (en) * 2011-05-24 2011-07-25 Eickhoff Maschinenfabrik Gmbh Height adjustable heavy duty support

Also Published As

Publication number Publication date
BE408159A (en) 1935-03-30
GB438561A (en) 1935-11-19

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