Title: Iron-crust detonator used in coal mine
Application Number: 94102217 Application Date: 1994.03.11
Publication Number: 1108230 Publication Date: 1995.09.13
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C06C7/02,F42C19/08
Applicant(s) Name: No.12 Factory of Fuxin Mining Bureau Address: 123003
Inventor(s) Name: Yang Zuyi, Guang Jingchun
Attorney & Agent:
Abstract:
     The iron casing detonator used in coal mine features that it can not only solve the problem of copper casing detonator, that is dear price and high cost but also the problems of poor properties of paper detonator. The undetonated detonator of iron casing being able separating out by magnet and removing from the coal.
Time: 5