FR47175E - Improvements in methods of blowing up mines - Google Patents

Improvements in methods of blowing up mines

Info

Publication number
FR47175E
FR47175E FR47175DA FR47175E FR 47175 E FR47175 E FR 47175E FR 47175D A FR47175D A FR 47175DA FR 47175 E FR47175 E FR 47175E
Authority
FR
France
Prior art keywords
mines
blowing
methods
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
French (fr)
Inventor
Walter Voortmann
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 FR47175E publication Critical patent/FR47175E/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
    • F42D1/18—Plugs for boreholes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Soil Working Implements (AREA)
FR47175D 1934-02-16 1936-03-11 Improvements in methods of blowing up mines Expired FR47175E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE449268X 1934-02-16

Publications (1)

Publication Number Publication Date
FR47175E true FR47175E (en) 1937-02-06

Family

ID=6538242

Family Applications (2)

Application Number Title Priority Date Filing Date
FR804012D Expired FR804012A (en) 1934-02-16 1935-05-11 Improvements in methods of blowing up mines
FR47175D Expired FR47175E (en) 1934-02-16 1936-03-11 Improvements in methods of blowing up mines

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR804012D Expired FR804012A (en) 1934-02-16 1935-05-11 Improvements in methods of blowing up mines

Country Status (5)

Country Link
US (1) US2040581A (en)
BE (2) BE409119A (en)
DE (1) DE727397C (en)
FR (2) FR804012A (en)
GB (1) GB449268A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744063C (en) * 1938-11-29 1944-01-08 Thea Voortmann Geb Aschhoff Plugs for filling boreholes for blasting purposes
US2481814A (en) * 1941-01-02 1949-09-13 Philadelphia And Reading Coal Connecting sleeve for dynamite cartridges
US2771841A (en) * 1947-08-15 1956-11-27 Fino Anthony J De Belt line charge
US3179049A (en) * 1959-08-06 1965-04-20 Richfield Oil Corp Stemming device
US2995087A (en) * 1959-09-04 1961-08-08 Edney Blasting plug
CN112033245B (en) * 2020-09-14 2021-08-13 中国矿业大学(北京) Long-distance blast hole charging device and charging method

Also Published As

Publication number Publication date
BE414203A (en)
GB449268A (en) 1936-06-24
DE727397C (en) 1942-11-02
FR804012A (en) 1936-10-14
BE409119A (en) 1935-06-29
US2040581A (en) 1936-05-12

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