GB805958A - Improvements in blasting assembly - Google Patents

Improvements in blasting assembly

Info

Publication number
GB805958A
GB805958A GB38643/56A GB3864356A GB805958A GB 805958 A GB805958 A GB 805958A GB 38643/56 A GB38643/56 A GB 38643/56A GB 3864356 A GB3864356 A GB 3864356A GB 805958 A GB805958 A GB 805958A
Authority
GB
United Kingdom
Prior art keywords
well
washer
blasting
casing
internal diameter
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
GB38643/56A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB805958A publication Critical patent/GB805958A/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
    • F42B3/26—Arrangements for mounting initiators; Accessories therefor, e.g. tools

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

805,958. Blasting devices. DU PONT DE NEMOURS & CO., E. I. Dec. 19, 1956 [Jan. 3, 1956]. No. 38643/56. Class 9(1) A detonator for blasting explosives such as ammonium nitrate comprises a casing 8 of material such as bronze or aluminium containing a detonating explosive 7, e.g. RDX or pentaerythritol tetranitrate. A well 6 to receive a blasting cap (not shown) mounted in a rubber washer 5 is pressed into the explosive. The upper part 9 of the well 6 is tapered from an external diameter slightly greater than the internal diameter of the casing 8 to a diameter less that the aforesaid internal diameter and its outer surface is coated with an adhesive to form a water tight seal between the casing 8 and the well. A rubber washer 4 is inserted in the well to grip the blasting cap, when placed in position, and the washer 4 is secured by a rigid washer 3 and crimping of the well 6. The adhesive coating may be varnish, gum, asphalt, lacquer, paint, wax, tar, glue, various rubber compounds or organic polymers.
GB38643/56A 1956-01-03 1956-12-19 Improvements in blasting assembly Expired GB805958A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US805958XA 1956-01-03 1956-01-03

Publications (1)

Publication Number Publication Date
GB805958A true GB805958A (en) 1958-12-17

Family

ID=22158373

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38643/56A Expired GB805958A (en) 1956-01-03 1956-12-19 Improvements in blasting assembly

Country Status (1)

Country Link
GB (1) GB805958A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001011306A1 (en) * 1999-08-05 2001-02-15 Dynamit Nobel Gmbh Explosivstoff- Und Systemtechnik Pyrotechnical ignition chain
DE19960642B4 (en) * 1999-08-05 2007-08-02 Delphi Technologies, Inc., Troy Pyrotechnic ignition chain
WO2010016775A1 (en) * 2008-08-05 2010-02-11 Global Seismic Solutions Limited Methodology for waterproofing primed seismic explosive assemblies

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001011306A1 (en) * 1999-08-05 2001-02-15 Dynamit Nobel Gmbh Explosivstoff- Und Systemtechnik Pyrotechnical ignition chain
DE19960642B4 (en) * 1999-08-05 2007-08-02 Delphi Technologies, Inc., Troy Pyrotechnic ignition chain
WO2010016775A1 (en) * 2008-08-05 2010-02-11 Global Seismic Solutions Limited Methodology for waterproofing primed seismic explosive assemblies

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