FR1117501A - Improvements to blowing devices - Google Patents

Improvements to blowing devices

Info

Publication number
FR1117501A
FR1117501A FR1117501DA FR1117501A FR 1117501 A FR1117501 A FR 1117501A FR 1117501D A FR1117501D A FR 1117501DA FR 1117501 A FR1117501 A FR 1117501A
Authority
FR
France
Prior art keywords
blowing devices
blowing
devices
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.)
ARMSTRONG COALBREAK Co
Original Assignee
ARMSTRONG COALBREAK Co
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 ARMSTRONG COALBREAK Co filed Critical ARMSTRONG COALBREAK Co
Application granted granted Critical
Publication of FR1117501A publication Critical patent/FR1117501A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/04—Blasting cartridges, i.e. case and explosive for producing gas under pressure
    • F42B3/06—Blasting cartridges, i.e. case and explosive for producing gas under pressure with re-utilisable case
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C37/00—Other methods or devices for dislodging with or without loading
    • E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
    • E21C37/14—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by compressed air; by gas blast; by gasifying liquids

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
FR1117501D 1954-11-25 1954-12-09 Improvements to blowing devices Expired FR1117501A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3418154A GB767362A (en) 1954-11-25 1954-11-25 Improvements in or relating to blasting devices

Publications (1)

Publication Number Publication Date
FR1117501A true FR1117501A (en) 1956-05-23

Family

ID=10362394

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1117501D Expired FR1117501A (en) 1954-11-25 1954-12-09 Improvements to blowing devices

Country Status (2)

Country Link
FR (1) FR1117501A (en)
GB (1) GB767362A (en)

Also Published As

Publication number Publication date
GB767362A (en) 1957-01-30

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