IN257679: An emulsion explosive and cord system and emulsion explosive cartridges made therefrom, suitable for use in blasting gallery method in underground coal mines
Abstract
An emulsion explosive and cord system and emulsion explosive cartridges made therefrom, suitable for use in blasting gallery method in underground coal mines. The emulsion explosive and cord system and emulsion explosive cartridges made therefrom, suitable for use in blasting gallery method in underground coal mines, consists of a synergistic emulsion explosive composition having flame quenching chemicals such as flame retardant polymers as dopants to the extent of 5 to 40 wt.percent. The said explosive composition being covered in a flame retardant film, such as HDPE film encased in an additional outer cover such as a tube/film of a Fire Retardant Polymer (FRP), such as a polymer which includes PVC and any polymer of similar group and provided with a suitable cord capable of working as a detonating cord suitable for use in blasting gallery method.
Filing Date:
16-11-2006
Issue Date:
25-10-2013
Applicant:
CSIR-Central Institute of Mining and Fuel Research (CSIR-CIMFR), Dhanbad
Patent No:
IN257679
Application No:
2468DEL2006
Inventor(s):
Sanjay Kumar Roy, Rajeev Ranjan Singh, Ritesh Kumar (All Are From Cmri Dhanbad) & Varanasi Venkata Ramana Rao, Satyawan
IPC Classification:
A01D
Country:
India
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