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Multi-dimensional cable shorting tool

United States Patent

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10,468,788
November 5, 2019
View the Complete Patent at the US Patent & Trademark Office
A device for rendering safe a detonator firing circuit by short circuiting multiple conductors in the circuit includes a base portion and cable piercing members. The base portion has a cylindrical block and apertures for retentively receiving the cable piercing members. The cable piercing member has a first end to impinge on and penetrate a cable insulation when forcibly attached to an external surface of the cable. The cable piercing member has a low electrical resistance and impedance to generate a short circuit between conductors of the cable. Also, a method for rendering safe a detonator firing circuit of by short circuiting multiple conductor cables or a pigtail connector of a detonator system.
15/678,638
August 16, 2017
1/1;
H01R 4/2404 (20180101); F42B 3/18 (20060101); F42D 1/05 (20060101); H01R 24/28 (20110101);
;102/202.7,206 ;439/506,502-504,828,829
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was developed under Contract No. DE-NA0003525 awarded by the United States Department of Energy/National Nuclear Security Administration. The Government has certain rights in this invention.