US1623664A - Explosive cap - Google Patents

Explosive cap Download PDF

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Publication number
US1623664A
US1623664A US744423A US74442324A US1623664A US 1623664 A US1623664 A US 1623664A US 744423 A US744423 A US 744423A US 74442324 A US74442324 A US 74442324A US 1623664 A US1623664 A US 1623664A
Authority
US
United States
Prior art keywords
explosive
cap
retarding
explosive cap
caps
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 - Lifetime
Application number
US744423A
Other languages
English (en)
Inventor
Eschbach Wilhelm
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
Application granted granted Critical
Publication of US1623664A publication Critical patent/US1623664A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • F42B3/16—Pyrotechnic delay initiators

Definitions

  • the present invention removes this danger by manufacturing the explosive caps with retardation means consisting of a single metal tube or other suitable. device in such a way that the bores in the various parts of the tube correspond in size to the individual charges.
  • the retarding body is first forced into the smaller bore of the sleeve, then the initial priming or detonating composition is applied, and then upon the latter, the secondary charge.
  • the charge of the explosive cap and the initial priming or detonating composition may however be applied first, after which the retarding body is forced into the smallest bore.
  • the bottom surface may be protected by means of a coating of lacquer, or by affixing a small impermeable plate or cover of paper, celluloid or the like.
  • the metal sleeve a contains the retarding body I), the initial priming or detonating composition 0 and thesecondary charge cl.
  • An explosive cap consisting of a single metal tube provided with a narrow bore for receiving a retarding body, an intermediate conical bore for receiving the initial priming composition and a wide cylindrical bore for receiving the secondary charge, the dimensions of said bores being adapted to the quantities of the charges contained Within the cap.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)
  • Lighters Containing Fuel (AREA)
US744423A 1924-04-24 1924-10-18 Explosive cap Expired - Lifetime US1623664A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE30661D DE422523C (de) 1924-04-24 1924-04-24 Sprengkapsel mit Verzoegerungen

Publications (1)

Publication Number Publication Date
US1623664A true US1623664A (en) 1927-04-05

Family

ID=28050608

Family Applications (1)

Application Number Title Priority Date Filing Date
US744423A Expired - Lifetime US1623664A (en) 1924-04-24 1924-10-18 Explosive cap

Country Status (4)

Country Link
US (1) US1623664A (de)
CH (1) CH111360A (de)
DE (1) DE422523C (de)
FR (1) FR596648A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4265177A (en) * 1978-04-07 1981-05-05 Nitro Nobel Ab Device in blasting cap for low-energy fuse

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1047093B (de) * 1956-05-04 1958-12-18 Erich Von Holt Dr Ing Sprengkapsel
US3106892A (en) * 1961-12-27 1963-10-15 Du Pont Initiator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4265177A (en) * 1978-04-07 1981-05-05 Nitro Nobel Ab Device in blasting cap for low-energy fuse

Also Published As

Publication number Publication date
CH111360A (de) 1925-08-17
FR596648A (fr) 1925-10-28
DE422523C (de) 1926-03-23

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