FR2288849B1 - - Google Patents

Info

Publication number
FR2288849B1
FR2288849B1 FR7441030A FR7441030A FR2288849B1 FR 2288849 B1 FR2288849 B1 FR 2288849B1 FR 7441030 A FR7441030 A FR 7441030A FR 7441030 A FR7441030 A FR 7441030A FR 2288849 B1 FR2288849 B1 FR 2288849B1
Authority
FR
France
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
FR7441030A
Other languages
French (fr)
Other versions
FR2288849A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7441030A priority Critical patent/FR2288849A1/fr
Publication of FR2288849A1 publication Critical patent/FR2288849A1/fr
Application granted granted Critical
Publication of FR2288849B1 publication Critical patent/FR2288849B1/fr
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/08—Wrecking of buildings
    • 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
    • E21C37/08—Devices with pistons, plungers, or the like, pressed locally against the wall of the borehole

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Reciprocating Pumps (AREA)
FR7441030A 1974-10-24 1974-10-24 Perfectionnements aux eclateurs hydrauliques Granted FR2288849A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7441030A FR2288849A1 (fr) 1974-10-24 1974-10-24 Perfectionnements aux eclateurs hydrauliques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7441030A FR2288849A1 (fr) 1974-10-24 1974-10-24 Perfectionnements aux eclateurs hydrauliques

Publications (2)

Publication Number Publication Date
FR2288849A1 FR2288849A1 (fr) 1976-05-21
FR2288849B1 true FR2288849B1 (xx) 1977-04-08

Family

ID=9146081

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7441030A Granted FR2288849A1 (fr) 1974-10-24 1974-10-24 Perfectionnements aux eclateurs hydrauliques

Country Status (1)

Country Link
FR (1) FR2288849A1 (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990008247A1 (en) * 1989-01-18 1990-07-26 Spetsializirovanny Trest Po Remontu Promyshlennykh Zdany I Sooruzheny Predpriyaty Chernoi Metallurgii Tsentralnogo Raiona 'tsentrmetallurgremont' Device for directed splitting of monolith objects
WO2009149595A1 (zh) * 2008-06-10 2009-12-17 Fang Ying 一种岩石或混凝土的裂开方法及其装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425468A (en) * 1944-04-13 1947-08-12 Richard T Hair Coal-mining machine
GB940731A (en) * 1958-08-20 1963-10-30 Senih Gurel Improvements in mining and quarrying apparatus

Also Published As

Publication number Publication date
FR2288849A1 (fr) 1976-05-21

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Legal Events

Date Code Title Description
ST Notification of lapse