FR804012A - Improvements in methods of blowing up mines - Google Patents

Improvements in methods of blowing up mines

Info

Publication number
FR804012A
FR804012A FR804012DA FR804012A FR 804012 A FR804012 A FR 804012A FR 804012D A FR804012D A FR 804012DA FR 804012 A FR804012 A FR 804012A
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 FR804012A publication Critical patent/FR804012A/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)
FR804012D 1934-02-16 1935-05-11 Improvements in methods of blowing up mines Expired FR804012A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR804012A true FR804012A (en) 1936-10-14

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 After (1)

Application Number Title Priority Date Filing Date
FR47175D Expired FR47175E (en) 1934-02-16 1936-03-11 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)

Cited By (1)

* 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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* 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

Also Published As

Publication number Publication date
GB449268A (en) 1936-06-24
BE409119A (en) 1935-06-29
DE727397C (en) 1942-11-02
BE414203A (en)
US2040581A (en) 1936-05-12
FR47175E (en) 1937-02-06

Similar Documents

Publication Publication Date Title
FR47175E (en) Improvements in methods of blowing up mines
CY48A (en) Recovery of sulphur
FR766809A (en) Wristwatch
CY50A (en) Recovery of sulphur
FR784478A (en) Improvements to bogies
FR787900A (en) Toy
FR770087A (en) Wallet
FR773261A (en) Wallet
FR785763A (en) Wallet
FR791270A (en) Improvements to toy airplanes
FR782190A (en) Improvements to sledges
FR789775A (en) Ashtray
FR784019A (en) Match pocket
FR789941A (en) Matches
FR777526A (en) Toy
FR775343A (en) Toy
FR782308A (en) Improvements to cyclecars
FR794881A (en) Improvements to coquettes de moulinage
FR44617E (en) Wristwatch
FR767196A (en) Wallet protectors
FR793904A (en) Improvements to refillable bottles
FR784638A (en) Improvements to vests
FR785894A (en) Improvements to gyroscopes
FR768437A (en) Toy
FR783562A (en) Toy