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GB1524789A - Delay blasting assembly - Google Patents

Delay blasting assembly

Info

Publication number
GB1524789A
GB1524789A GB25837/77A GB2583777A GB1524789A GB 1524789 A GB1524789 A GB 1524789A GB 25837/77 A GB25837/77 A GB 25837/77A GB 2583777 A GB2583777 A GB 2583777A GB 1524789 A GB1524789 A GB 1524789A
Authority
GB
United Kingdom
Prior art keywords
delay
cord
blasting assembly
composition
low energy
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
GB25837/77A
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.)
PPG Architectural Coatings Canada Inc
Original Assignee
Canadian Industries Ltd
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 Canadian Industries Ltd filed Critical Canadian Industries Ltd
Publication of GB1524789A publication Critical patent/GB1524789A/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
    • 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)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Air Bags (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Surgical Instruments (AREA)
  • Elimination Of Static Electricity (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)

Abstract

1524789 Delay blasting assembly CANADIAN INDUSTRIES Ltd 21 June 1977 [2 July 1976] 25837/77 Heading F3A A non-electric delay blasting assembly for use with a low energy detonating or shock wave cord comprises a metallic shell 1 containing an explosive composition 2, a delay train 4-7 and a resilient closure plug 8 having a channel therethrough divided into two compartments 10, 11 by means of a diaphragm 12, the outer compartment 10 being adapted to receive the end of the low energy cord. The explosive charge 1 is provided with a primer 3 and the delay train includes a delay composition 5 and a burning composition 7. The compartment 10 has a lip 13 for gripping a mini-detonator on the end of a shock wave cord or a sealing member on the end of a detonating cord.
GB25837/77A 1976-07-02 1977-06-21 Delay blasting assembly Expired GB1524789A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA256,213A CA1046812A (en) 1976-07-02 1976-07-02 Delay blasting assembly

Publications (1)

Publication Number Publication Date
GB1524789A true GB1524789A (en) 1978-09-13

Family

ID=4106347

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25837/77A Expired GB1524789A (en) 1976-07-02 1977-06-21 Delay blasting assembly

Country Status (15)

Country Link
JP (1) JPS536408A (en)
AR (1) AR212119A1 (en)
AU (1) AU502331B2 (en)
BE (1) BE856200A (en)
BR (1) BR7704175A (en)
CA (1) CA1046812A (en)
DE (1) DE2729683C3 (en)
DK (1) DK278777A (en)
FR (1) FR2356905A1 (en)
GB (1) GB1524789A (en)
MX (1) MX146760A (en)
NO (1) NO143401C (en)
NZ (1) NZ184400A (en)
PT (1) PT66757B (en)
SE (1) SE7707619L (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013055239A1 (en) * 2011-10-14 2013-04-18 Famesa Explosivos S.A.C Signal transmission tube with inverse initiation retention seal

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5501151A (en) * 1994-10-21 1996-03-26 The Ensign-Bickford Company Alternate signal path isolation member and non-electric detonator cap including the same
ZA958348B (en) * 1994-10-21 1996-07-12 Ensign Bickford Co Universal isolation member and non-electric detonator cap including the same
AU2285900A (en) * 1999-01-08 2000-07-24 Dynamit Nobel Gmbh Explosivstoff- Und Systemtechnik Control module for triggering units for initiating pyrotechnical elements

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190928532A (en) * 1909-12-07 1910-06-30 Kynoch Ltd Improvements in Electric Fuses and Detonators for Blasting and the like.
BE546106A (en) * 1955-03-15
BE550057A (en) * 1955-08-03
GB902643A (en) * 1959-10-02 1962-08-09 Ici Ltd Improvements in or relating to electric detonators
US3106892A (en) * 1961-12-27 1963-10-15 Du Pont Initiator
GB982364A (en) * 1962-11-13 1965-02-03 Canadian Ind Improvements in or relating to a blasting assembly
CA955110A (en) * 1971-12-01 1974-09-24 Frederik Van Zeggeren Delay elements for blasting caps
US3895577A (en) * 1973-09-25 1975-07-22 Hercules Inc Long burning delay blasting caps
US3939772A (en) * 1974-10-04 1976-02-24 Hercules Incorporated Blasting caps initiatable by thermal detonation energy of an explosive gas mixture, and blasting system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013055239A1 (en) * 2011-10-14 2013-04-18 Famesa Explosivos S.A.C Signal transmission tube with inverse initiation retention seal
AU2012321405B2 (en) * 2011-10-14 2017-02-23 Famesa Explosivos S.A.C Signal transmission tube with inverse initiation retention seal

Also Published As

Publication number Publication date
AU502331B2 (en) 1979-07-19
DE2729683C3 (en) 1980-06-12
PT66757B (en) 1978-12-14
PT66757A (en) 1977-08-01
DK278777A (en) 1978-01-03
CA1046812A (en) 1979-01-23
DE2729683A1 (en) 1978-02-09
NO772241L (en) 1978-01-03
NZ184400A (en) 1979-10-25
NO143401B (en) 1980-10-27
DE2729683B2 (en) 1979-10-04
AR212119A1 (en) 1978-05-15
NO143401C (en) 1981-02-04
JPS536408A (en) 1978-01-20
SE7707619L (en) 1978-01-03
BE856200A (en) 1977-12-28
BR7704175A (en) 1978-06-06
AU2616377A (en) 1978-12-21
MX146760A (en) 1982-08-11
FR2356905A1 (en) 1978-01-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee