FR546533A - Electric primer and its manufacturing process - Google Patents

Electric primer and its manufacturing process

Info

Publication number
FR546533A
FR546533A FR546533DA FR546533A FR 546533 A FR546533 A FR 546533A FR 546533D A FR546533D A FR 546533DA FR 546533 A FR546533 A FR 546533A
Authority
FR
France
Prior art keywords
manufacturing process
electric primer
primer
electric
manufacturing
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)
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.)
Davey Bickford Smith et Cie SA
Original Assignee
Davey Bickford Smith et Cie SA
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 Davey Bickford Smith et Cie SA filed Critical Davey Bickford Smith et Cie SA
Application granted granted Critical
Publication of FR546533A publication Critical patent/FR546533A/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
    • F42B3/10—Initiators therefor
    • F42B3/103—Mounting initiator heads in initiators; Sealing-plugs
    • 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
    • F42B3/10—Initiators therefor
    • F42B3/12—Bridge initiators
    • F42B3/124—Bridge initiators characterised by the configuration or material of the bridge
    • 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
    • F42B3/10—Initiators therefor
    • F42B3/195—Manufacture
FR546533D 1921-07-20 1922-01-30 Electric primer and its manufacturing process Expired FR546533A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK78474D DE360011C (en) 1921-07-20 1921-07-20 Device for classifying worker control marks

Publications (1)

Publication Number Publication Date
FR546533A true FR546533A (en) 1922-11-15

Family

ID=7233292

Family Applications (1)

Application Number Title Priority Date Filing Date
FR546533D Expired FR546533A (en) 1921-07-20 1922-01-30 Electric primer and its manufacturing process

Country Status (3)

Country Link
DE (1) DE360011C (en)
FR (1) FR546533A (en)
GB (1) GB192338A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2577501A (en) * 1947-04-14 1951-12-04 Ici Ltd Electric igniter for use in electric initiating devices

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE403201B (en) * 1974-12-06 1978-07-31 Berge Arthur DEVICE FOR INFORMATION PROCESSING, PLANNING, CONTROL AND SIMILAR
US4252311A (en) * 1979-07-09 1981-02-24 Ugo Torricelli Disco structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2577501A (en) * 1947-04-14 1951-12-04 Ici Ltd Electric igniter for use in electric initiating devices

Also Published As

Publication number Publication date
GB192338A (en) 1923-02-01
DE360011C (en) 1922-09-28

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