FR74617E - Improvements to mine cartridges - Google Patents

Improvements to mine cartridges

Info

Publication number
FR74617E
FR74617E FR781029A FR781029A FR74617E FR 74617 E FR74617 E FR 74617E FR 781029 A FR781029 A FR 781029A FR 781029 A FR781029 A FR 781029A FR 74617 E FR74617 E FR 74617E
Authority
FR
France
Prior art keywords
cartridges
mine
mine cartridges
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
FR781029A
Other languages
French (fr)
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.)
Rey Freres & Cie Ets
Original Assignee
Rey Freres & Cie Ets
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
Priority to FR1107631D priority Critical patent/FR1107631A/en
Priority to FR69679D priority patent/FR69679E/en
Application filed by Rey Freres & Cie Ets filed Critical Rey Freres & Cie Ets
Priority to FR781029A priority patent/FR74617E/en
Application granted granted Critical
Publication of FR74617E publication Critical patent/FR74617E/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/08—Blasting cartridges, i.e. case and explosive with cavities in the charge, e.g. hollow-charge blasting cartridges

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR781029A 1958-12-06 1958-12-06 Improvements to mine cartridges Expired FR74617E (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1107631D FR1107631A (en) 1958-12-06 1954-06-22 Development of mine cartridges
FR69679D FR69679E (en) 1958-12-06 1955-11-16 Development of mine cartridges
FR781029A FR74617E (en) 1958-12-06 1958-12-06 Improvements to mine cartridges

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR781029A FR74617E (en) 1958-12-06 1958-12-06 Improvements to mine cartridges

Publications (1)

Publication Number Publication Date
FR74617E true FR74617E (en) 1960-12-26

Family

ID=8709005

Family Applications (3)

Application Number Title Priority Date Filing Date
FR1107631D Expired FR1107631A (en) 1958-12-06 1954-06-22 Development of mine cartridges
FR69679D Expired FR69679E (en) 1958-12-06 1955-11-16 Development of mine cartridges
FR781029A Expired FR74617E (en) 1958-12-06 1958-12-06 Improvements to mine cartridges

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR1107631D Expired FR1107631A (en) 1958-12-06 1954-06-22 Development of mine cartridges
FR69679D Expired FR69679E (en) 1958-12-06 1955-11-16 Development of mine cartridges

Country Status (1)

Country Link
FR (3) FR1107631A (en)

Also Published As

Publication number Publication date
FR1107631A (en) 1956-01-04
FR69679E (en) 1958-11-18

Similar Documents

Publication Publication Date Title
FR1220283A (en) Improvements to accelerometers
FR1230317A (en) Improvements to electric detonators
FR1193324A (en) Improvements to hunting cartridges
FR1271386A (en) Roof supports for mining galleries
FR1229418A (en) Mine cartridge
FR1276634A (en) Improvements to mine roof supports
FR1216017A (en) Improvements to shearers
FR1202536A (en) mine prop
FR1207923A (en) Improvements to hydraulic mine props
FR1220890A (en) Improvements to breather for mine props
FR1215193A (en) Mine cartridge
FR74617E (en) Improvements to mine cartridges
FR1228013A (en) Improvements to mine stanchions
FR1352649A (en) Improvements to mine supports
FR1281282A (en) Mine distributor
FR1175841A (en) Improvements relating to hydraulic mine props
FR1229543A (en) Improvements to hydraulic mine props
FR1163446A (en) Improvements made to mine props
CH360926A (en) Mine sharpener
FR1212988A (en) New mine prop
BE580461A (en) Mining foil extractor
FR1230818A (en) Improvements to roof supports for mine galleries
FR1217523A (en) Improvements to guided projectiles
FR1227438A (en) Improvements to explosive cartridges
FR1207907A (en) Improvements to tunnel kilns