FR437761A - Protecteurs de détonateurs employés à faire partir des coups de mine - Google Patents

Protecteurs de détonateurs employés à faire partir des coups de mine

Info

Publication number
FR437761A
FR437761A FR437761A FR437761DA FR437761A FR 437761 A FR437761 A FR 437761A FR 437761 A FR437761 A FR 437761A FR 437761D A FR437761D A FR 437761DA FR 437761 A FR437761 A FR 437761A
Authority
FR
France
Prior art keywords
blasts
detonator
fire
protectors used
protectors
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
FR437761A
Other languages
English (en)
Inventor
Abraham Price
William Pryse
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
Application granted granted Critical
Publication of FR437761A publication Critical patent/FR437761A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D5/00—Safety arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
FR437761A 1910-12-19 1911-12-16 Protecteurs de détonateurs employés à faire partir des coups de mine Expired FR437761A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191029406T 1910-12-19

Publications (1)

Publication Number Publication Date
FR437761A true FR437761A (fr) 1912-04-30

Family

ID=32495622

Family Applications (1)

Application Number Title Priority Date Filing Date
FR437761A Expired FR437761A (fr) 1910-12-19 1911-12-16 Protecteurs de détonateurs employés à faire partir des coups de mine

Country Status (2)

Country Link
FR (1) FR437761A (fr)
GB (1) GB191029406A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108275385B (zh) * 2018-01-19 2024-02-27 天津芯缘君威科技有限公司 一种雷管用微型防爆罐及其制备方法

Also Published As

Publication number Publication date
GB191029406A (en) 1911-10-19

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