Multi-dimensional cable shorting tool

Title: Multi-dimensional cable shorting tool

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Abstract

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.

Inventors:: Shapnek, Lawrence R.; Field, III, Charles S.; Saul, WVenner; Davey, Nathan A.; McCourt, Andrew Lee; De Smet, Dennis J.; Walker, Charles A.; Odell, Daniel M. C.; Thomas, Kevin

Issue Date:: 2019-11-05

Research Org.:: Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Odell, Daniel M. C., Aiken, SC (United States); Thomas, Kevin, Las Vegas, NV (United States)

Sponsoring Org.:: USDOE National Nuclear Security Administration (NNSA)

OSTI Identifier:: 1600256

Patent Number(s):: 10468788

Application Number:: 15/678,638

Assignee:: National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM); Odell, Daniel M. C. (Aiken, SC); Thomas, Kevin (Las Vegas, NV)

Patent Classifications (CPCs):: F - MECHANICAL ENGINEERING F42 - AMMUNITION F42D - BLASTING

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01R - ELECTRICALLY-CONDUCTIVE CONNECTIONS

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F - MECHANICAL ENGINEERING F42 - AMMUNITION F42D - BLASTING
F42D1/05 - Electric circuits for blasting

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01R - ELECTRICALLY-CONDUCTIVE CONNECTIONS
H01R4/2404 - the contact members having teeth, prongs, pins or needles penetrating the insulation

F - MECHANICAL ENGINEERING F42 - AMMUNITION F42D - BLASTING
F42D5/04 - Rendering explosive charges harmless, e.g. destroying ammunition

F - MECHANICAL ENGINEERING F42 - AMMUNITION F42B - EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
F42B3/006 - {Explosive bolts

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01R - ELECTRICALLY-CONDUCTIVE CONNECTIONS
H01R4/2406 - having needles or pins
H01R24/28 - Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
H01R11/20 - End pieces terminating in a needle point or analogous contact for penetrating insulation or cable strands

F - MECHANICAL ENGINEERING F42 - AMMUNITION F42B - EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
F42B3/18 - Safety initiators resistant to premature firing by static electricity or stray currents

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DOE Contract Number:: NA0003525

Resource Type:: Patent

Resource Relation:: Patent File Date: 08/16/2017

Country of Publication:: United States

Language:: English

Subject:: 45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE

Citation Formats


                    Shapnek, Lawrence R., Field, III, Charles S., Saul, WVenner, Davey, Nathan A., McCourt, Andrew Lee, De Smet, Dennis J., Walker, Charles A., Odell, Daniel M. C., and Thomas, Kevin. Multi-dimensional cable shorting tool.  United States: N. p., 2019. 
        Web.

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                    Shapnek, Lawrence R., Field, III, Charles S., Saul, WVenner, Davey, Nathan A., McCourt, Andrew Lee, De Smet, Dennis J., Walker, Charles A., Odell, Daniel M. C., & Thomas, Kevin. Multi-dimensional cable shorting tool.  United States.

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                    Shapnek, Lawrence R., Field, III, Charles S., Saul, WVenner, Davey, Nathan A., McCourt, Andrew Lee, De Smet, Dennis J., Walker, Charles A., Odell, Daniel M. C., and Thomas, Kevin. Tue .  
        "Multi-dimensional cable shorting tool".  United States.  https://www.osti.gov/servlets/purl/1600256.

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@article{osti_1600256,

  title        = {Multi-dimensional cable shorting tool},

  author       = {Shapnek, Lawrence R. and Field, III, Charles S. and Saul, WVenner and Davey, Nathan A. and McCourt, Andrew Lee and De Smet, Dennis J. and Walker, Charles A. and Odell, Daniel M. C. and Thomas, Kevin},

  abstractNote = {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.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2019},

  month        = {11}

}

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