GB957269A - Process for the manufacture of an electrical primer and a primer obtained by this process - Google Patents

Process for the manufacture of an electrical primer and a primer obtained by this process

Info

Publication number
GB957269A
GB957269A GB2760062A GB2760062A GB957269A GB 957269 A GB957269 A GB 957269A GB 2760062 A GB2760062 A GB 2760062A GB 2760062 A GB2760062 A GB 2760062A GB 957269 A GB957269 A GB 957269A
Authority
GB
United Kingdom
Prior art keywords
electrodes
layer
primer
deposited
film
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
GB2760062A
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
Publication of GB957269A publication Critical patent/GB957269A/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
    • F42B3/12—Bridge initiators
    • F42B3/13—Bridge initiators with semiconductive 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
    • F42B3/103—Mounting initiator heads in initiators; Sealing-plugs

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Insulating Bodies (AREA)
  • Inorganic Insulating Materials (AREA)
  • Air Bags (AREA)

Abstract

957,269. Electric primers. J. ROCHAT. July 18, 1962 [Oct. 27, 1961], No. 27600/62. Heading F3A. An electric primer comprising two electrodes 1, 3 connected by a layer of semi-conductive material deposited on an insulating body 2 separating the electrodes as in Specification 862,987 is made by first depositing a metallic film on the body and then producing an electrical discharge between the electrodes of such voltage that at least a part of the film is converted into a semi-conductive metallic oxide film. The body 2 may be of ceramic material and on it a layer of colloidal silver may be deposited and fixed by heating to a temperature between 600‹ C. and 800‹ C. A condenser, e.g. of 4 MF capacity, is then short-circuited through the electrodes, so that an annulus 10 of silver oxide is formed around the electrode 3 separating the main part of layer 5 from electrode 3. Over this a second layer 11 of colloidal silver is deposited. Other metals such as copper and aluminium may be used. Specification 862,982 also is referred to.
GB2760062A 1961-10-27 1962-07-18 Process for the manufacture of an electrical primer and a primer obtained by this process Expired GB957269A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1245961A CH374009A (en) 1961-10-27 1961-10-27 Process for manufacturing an electric primer and primer obtained by this process

Publications (1)

Publication Number Publication Date
GB957269A true GB957269A (en) 1964-05-06

Family

ID=4383219

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2760062A Expired GB957269A (en) 1961-10-27 1962-07-18 Process for the manufacture of an electrical primer and a primer obtained by this process

Country Status (7)

Country Link
BE (1) BE620568A (en)
CH (1) CH374009A (en)
DE (1) DE1209927B (en)
ES (1) ES279454A1 (en)
GB (1) GB957269A (en)
NL (1) NL282769A (en)
SE (1) SE307760B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE431681B (en) * 1977-04-19 1984-02-20 Bofors Ab ELTENDDON
SE434191B (en) * 1980-05-27 1984-07-09 Bofors Ab ELTENDDON, PREPARED FOR ARTILLERY AMMUNITION

Also Published As

Publication number Publication date
NL282769A (en)
DE1209927B (en) 1966-01-27
CH374009A (en) 1963-12-15
SE307760B (en) 1969-01-13
ES279454A1 (en) 1962-12-01
BE620568A (en)

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