FR976151A - Blowing machines for excavation removal - Google Patents

Blowing machines for excavation removal

Info

Publication number
FR976151A
FR976151A FR976151DA FR976151A FR 976151 A FR976151 A FR 976151A FR 976151D A FR976151D A FR 976151DA FR 976151 A FR976151 A FR 976151A
Authority
FR
France
Prior art keywords
blowing machines
excavation removal
excavation
removal
blowing
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)
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.)
Brieden & Co Maschf K
Masch Fabrik U Eisengiesserei
Original Assignee
Brieden & Co Maschf K
Masch Fabrik U Eisengiesserei
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 Brieden & Co Maschf K, Masch Fabrik U Eisengiesserei filed Critical Brieden & Co Maschf K
Application granted granted Critical
Publication of FR976151A publication Critical patent/FR976151A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
    • E21F15/08—Filling-up hydraulically or pneumatically
    • E21F15/10—Hydraulic or pneumatic filling-up machines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
FR976151D 1948-09-29 1948-09-29 Blowing machines for excavation removal Expired FR976151A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR976151T 1948-09-29

Publications (1)

Publication Number Publication Date
FR976151A true FR976151A (en) 1951-03-14

Family

ID=9518608

Family Applications (1)

Application Number Title Priority Date Filing Date
FR976151D Expired FR976151A (en) 1948-09-29 1948-09-29 Blowing machines for excavation removal

Country Status (1)

Country Link
FR (1) FR976151A (en)

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