FR1587983A - - Google Patents

Info

Publication number
FR1587983A
FR1587983A FR1587983DA FR1587983A FR 1587983 A FR1587983 A FR 1587983A FR 1587983D A FR1587983D A FR 1587983DA FR 1587983 A FR1587983 A FR 1587983A
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
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 filed Critical
Application granted granted Critical
Publication of FR1587983A publication Critical patent/FR1587983A/fr
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
    • E21C37/18—Other methods or devices for dislodging with or without loading by electricity

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)
  • Working Measures On Existing Buildindgs (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
FR1587983D 1967-10-21 1968-10-17 Expired FR1587983A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6750367 1967-10-21

Publications (1)

Publication Number Publication Date
FR1587983A true FR1587983A (fr) 1970-04-03

Family

ID=13346841

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1587983D Expired FR1587983A (fr) 1967-10-21 1968-10-17

Country Status (4)

Country Link
US (1) US3580637A (fr)
DE (1) DE1804310A1 (fr)
FR (1) FR1587983A (fr)
GB (1) GB1240185A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3411412A1 (de) * 1984-03-28 1985-10-03 Johannes 5466 Neustadt Schützeichel Verfahren zum zerstoeren von bewehrten betonkoerpern u.dgl.

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS502941B1 (fr) * 1970-03-20 1975-01-30
GB2209791A (en) * 1987-08-11 1989-05-24 Robin John Tollast Removal of forces in pre-tensioned or cost tensioned tendons in concrete prior to demolition
US8840051B2 (en) * 2008-12-08 2014-09-23 Technological Resources Pty. Limited Method and apparatus for reducing the size of materials
US9649780B1 (en) 2014-05-15 2017-05-16 United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration Shape memory alloy rock splitters (SMARS)
CN112430014A (zh) * 2020-10-29 2021-03-02 昆明华城兴建材有限公司 一种增强纤维水泥防爆墙及其生产工艺

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1719257A (en) * 1926-05-17 1929-07-02 John C Booth Process for splitting granite, marble, and other rocks
US3223825A (en) * 1958-03-21 1965-12-14 Chester I Williams Electric grid floor heating system
FR1284574A (fr) * 1960-12-28 1962-02-16 Commissariat Energie Atomique Procédé et dispositifs pour la destruction de massifs rocheux et autres
US3208674A (en) * 1961-10-19 1965-09-28 Gen Electric Electrothermal fragmentation
US3144545A (en) * 1962-03-26 1964-08-11 Heated Concrete Products Inc Heating assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3411412A1 (de) * 1984-03-28 1985-10-03 Johannes 5466 Neustadt Schützeichel Verfahren zum zerstoeren von bewehrten betonkoerpern u.dgl.

Also Published As

Publication number Publication date
GB1240185A (en) 1971-07-21
US3580637A (en) 1971-05-25
DE1804310A1 (de) 1969-08-07

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Legal Events

Date Code Title Description
ST Notification of lapse