FR728360A - Couverture de mines - Google Patents

Couverture de mines

Info

Publication number
FR728360A
FR728360A FR728360DA FR728360A FR 728360 A FR728360 A FR 728360A FR 728360D A FR728360D A FR 728360DA FR 728360 A FR728360 A FR 728360A
Authority
FR
France
Prior art keywords
mine
coverage
mine coverage
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
English (en)
Inventor
Fritz Dunkel
Paul Lorenz
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 FR728360A publication Critical patent/FR728360A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D5/00—Safety arrangements
    • F42D5/04—Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D5/00—Safety arrangements
    • F42D5/04—Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless
    • F42D5/045—Detonation-wave absorbing or damping means
    • F42D5/05—Blasting mats

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)
  • Toys (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Emergency Lowering Means (AREA)
FR728360D 1930-12-20 1931-12-17 Couverture de mines Expired FR728360A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1930D0016830 DE555924C (de) 1930-12-20 1930-12-20 Schussdeckel zum Abdecken der Bohrloecher beim Sprengen

Publications (1)

Publication Number Publication Date
FR728360A true FR728360A (fr) 1932-07-05

Family

ID=6564579

Family Applications (1)

Application Number Title Priority Date Filing Date
FR728360D Expired FR728360A (fr) 1930-12-20 1931-12-17 Couverture de mines

Country Status (4)

Country Link
BE (1) BE385078A (fr)
CH (1) CH159945A (fr)
DE (1) DE555924C (fr)
FR (1) FR728360A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2472997A (en) * 1946-12-19 1949-06-14 Jerry D Williams Firing line catcher

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3328550A1 (de) * 1982-11-13 1984-05-17 Fried. Krupp Gmbh, 4300 Essen Verfahren zum brechen von hartem kompaktem material und vorrichtung zur durchfuehrung des verfahrens
CN109373844B (zh) * 2018-11-09 2023-10-10 贵州贵安新联爆破工程有限公司 一种烟花炮竹销毁装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2472997A (en) * 1946-12-19 1949-06-14 Jerry D Williams Firing line catcher

Also Published As

Publication number Publication date
DE555924C (de) 1932-08-01
BE385078A (fr) 1932-01-30
CH159945A (de) 1933-02-15

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