GB1194001A - Improvements in or relating to Hydraulic Apparatus for Working Materials such as Coal or Solid Ores - Google Patents

Improvements in or relating to Hydraulic Apparatus for Working Materials such as Coal or Solid Ores

Info

Publication number
GB1194001A
GB1194001A GB2813067A GB2813067A GB1194001A GB 1194001 A GB1194001 A GB 1194001A GB 2813067 A GB2813067 A GB 2813067A GB 2813067 A GB2813067 A GB 2813067A GB 1194001 A GB1194001 A GB 1194001A
Authority
GB
United Kingdom
Prior art keywords
liquid
piston
outlet hole
shotfiring
pressure liquid
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
GB2813067A
Other languages
English (en)
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.)
Houilleres du Bassin du Nord et du Pas de Calais
Original Assignee
Houilleres du Bassin du Nord et du Pas de Calais
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
Priority claimed from FR66388A external-priority patent/FR1490677A/fr
Priority claimed from FR85211A external-priority patent/FR91200E/fr
Application filed by Houilleres du Bassin du Nord et du Pas de Calais filed Critical Houilleres du Bassin du Nord et du Pas de Calais
Publication of GB1194001A publication Critical patent/GB1194001A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E21C37/12—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by injecting into the borehole a liquid, either initially at high pressure or subsequently subjected to high pressure, e.g. by pulses, by explosive cartridges acting on the liquid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
GB2813067A 1966-06-22 1967-06-19 Improvements in or relating to Hydraulic Apparatus for Working Materials such as Coal or Solid Ores Expired GB1194001A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR66388A FR1490677A (fr) 1966-06-22 1966-06-22 Installation et notamment canne de tir pour abatage par tir hydraulique avec infusion d'eau
FR85211A FR91200E (fr) 1966-11-28 1966-11-28 Installation et notamment canne de tir pour abatage par tir hydraulique avec infusion d'eau

Publications (1)

Publication Number Publication Date
GB1194001A true GB1194001A (en) 1970-06-10

Family

ID=26171472

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2813067A Expired GB1194001A (en) 1966-06-22 1967-06-19 Improvements in or relating to Hydraulic Apparatus for Working Materials such as Coal or Solid Ores

Country Status (2)

Country Link
DE (1) DE1533680B1 (de)
GB (1) GB1194001A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE395503B (sv) * 1975-09-19 1977-08-15 Atlas Copco Ab Sett och anordning for brytning av ett fast material
DE3009521C2 (de) * 1980-03-12 1985-10-03 Vostočnyj naučno-issledovatel'skij institut po bezopasnosti rabot v gornoj promyšlennosti, Kemerovo Verfahren und Vorrichtung zum Einpressen von Flüssigkeit in ein Flöz

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1182175B (de) * 1957-08-05 1964-11-26 Pleiger Maschf Paul Stosstraenkgeraet

Also Published As

Publication number Publication date
DE1533680B1 (de) 1969-10-23

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees