WO2014200596A2 - Gilet pare-balles - Google Patents

Gilet pare-balles Download PDF

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Publication number
WO2014200596A2
WO2014200596A2 PCT/US2014/029435 US2014029435W WO2014200596A2 WO 2014200596 A2 WO2014200596 A2 WO 2014200596A2 US 2014029435 W US2014029435 W US 2014029435W WO 2014200596 A2 WO2014200596 A2 WO 2014200596A2
Authority
WO
WIPO (PCT)
Prior art keywords
panel
article
bullet proof
approximately
ballistic
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.)
Ceased
Application number
PCT/US2014/029435
Other languages
English (en)
Other versions
WO2014200596A3 (fr
Inventor
Timothy Patrick MOORE
Lloyd Ernest NELSON
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.)
MOOR INNOVATIVE TECHONLOGIES LLC
Original Assignee
MOOR INNOVATIVE TECHONLOGIES LLC
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 MOOR INNOVATIVE TECHONLOGIES LLC filed Critical MOOR INNOVATIVE TECHONLOGIES LLC
Publication of WO2014200596A2 publication Critical patent/WO2014200596A2/fr
Publication of WO2014200596A3 publication Critical patent/WO2014200596A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H1/00—Personal protection gear
    • F41H1/02—Armoured or projectile- or missile-resistant garments; Composite protection fabrics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • F41H5/02—Plate construction
    • F41H5/04—Plate construction composed of more than one layer
    • F41H5/0471—Layered armour containing fibre- or fabric-reinforced layers

Definitions

  • the present invention relates generally to ballistics protection apparatuses, and more particularly to a bullet proof vest,
  • Ballistics protection apparatuses such as bullet proof vests
  • Conventional ballistics protection apparatuses are configured to prevent ballistics, such as bullets and shrapnel, from penetrating the apparatus.
  • Conventional light-weight bullet proof vests are configured to protect a user against lower-power weapons, such as 9mm handguns and .357 Magnums.
  • 9mm handguns such as 9mm handguns and .357 Magnums.
  • conventional light-weight bullet proof vests provide inadequate protection against high-powered weapons.
  • conventional ballistics protection apparatuses rely upon multiple additional layers of Kevlar, which makes the bullet proof vest heavy and bulky.
  • the present invention relates generally to ballistics protection apparatuses, and more particularly to a ballistics-grade article and a bullet proof vest configured to absorb and dissipate the energy from projectiles, percussion waves, and heat sources.
  • the ballistics-grade article includes a gel substrate panel having a front surface and a rear surface opposite the front surface and a plurality of ballistic-grade sheets stacked on the front surface of the gel substrate panel.
  • Each of the plurality of ballistic-grade sheets may include ultra-high molecular weight polyethylene (UHMwPE) fibers.
  • UHMwPE fibers may be either unidirectionally oriented fibers or a micro-weave of interconnected longitudinal fibers and transverse fibers.
  • the article includes forty ballistic-grade sheets.
  • the gel substrate panel includes polyurethane and a catalyst.
  • the article is configured to provide a sound pressure level reduction of approximately 166 decibels.
  • the article further includes front and rear panels coupled together around the gel substrate and the plurality of ballistic-grade sheets.
  • the front and rear panels can be made of polyvinylchloride (PVC). In one embodiment, when .
  • the article when the article is struck with a .22 caliber projectile at a velocity of approximately 1430 feet per second, the article experiences a maximum g-force of approximately 90.5G.
  • the article when the article is struck with a .44 Magnum semi -jacketed hollow point projectile at a velocity of approximately 1430 feet per second, the article is configured to yield a back-face deformation of less than approximately 38mm.
  • the bullet proof vest includes a carrier configured to be worn by a user and an insert configured to be received in the carrier.
  • the insert includes a gel substrate panel having a front surface and a rear surface opposite the front surface and a plurality of ballistic-grade sheets stacked on the front surface of the gel substrate panel.
  • the insert also includes front and rear panels coupled together around the gel substrate panel and the plurality of ballistic-grade sheets.
  • the gel substrate panel is configured to provide a sound pressure level reduction of approximately 166 decibels.
  • the bullet proof vest when the bullet proof vest is struck with a .44 Magnum semi-jacketed hollow point projectile at a velocity of approximately 1430 feet per second, the bullet proof vest is configured to yield a back-face deformation of less than approximately 38mm.
  • the bullet proof vest when the bullet proof vest is struck with a .22 caliber projectile at a velocity of approximately 1430 feet per second, the bullet proof vest experiences a maximum g-force of approximately 90,5 G.
  • a method of manufacturing a bullet proof vest includes cutting a roll of ballistic-grade fabric into a plurality of ballistic-grade sheets, providing a gel panel having a front surface and a rear surface opposite the front surface, and stacking the plurality of ballistic-grade sheets on the front surface of the gel panel.
  • Each of the plurality of ballistic-grade sheets may include ultra-high molecular weight polyethylene (UHMwPE) fibers oriented either unidirectionally oriented or as a micro-weave of interconnected longitudinal fibers and transverse fibers.
  • UHMwPE ultra-high molecular weight polyethylene
  • the method also includes providing a front panel, providing a rear panel, and coupling the front and rear panels together around the plurality of sheets and the gel panel to define a composite insert.
  • the front and rear panels can be coupled together by radio frequency welding.
  • the method also includes providing a carrier configured to be worn by a user and inserting the composite insert into the carrier.
  • FIG. 1 is a perspective view of a bullet proof vest according to one embodiment of the present invention.
  • FIGS. 2A and 2B are a cross-sectional view and an enlarged portion of the cross- sectional view, respectively, of the bullet proof vest of FIG. 1 ;
  • FIG. 3 is a comparative chart illustrating the test results of bullet proof vest of the present invention and a fabric article.
  • FIG. 4 is a flowchart illustrating the tasks of manufacturing the bullet proof vest of FIG. 1 according to one embodiment of the present invention.
  • the present invention is directed to a flexible, light-weight, high-density bullet proof vest.
  • the bullet proof vest of the present invention is configured to absorb and dissipate the kinetic energy of high-powered projectiles striking the bullet proof vest.
  • the bullet proof vest is also configured to absorb and dissipate percussive energy (e.g., a shock wave) and thereby protect the user from nearby explosives or other concussive devices.
  • the bullet proof vest is a thermal insulator configured to protect the user in extreme temperatures.
  • FIG. 1 a user is illustrated wearing a bullet proof vest 100 according to one embodiment of the present invention.
  • the bullet proof vest 100 includes a generally rectangular body portion 101 and two flaps 102, 103 extending outward from opposite sides of the body portion 101.
  • the body portion 101 is configured to extend approximately from the user's shoulders down to the user's waist, and the flaps 102, 103 are configured to at least partially wrap around the sides of the user's torso.
  • the body portion 101 is approximately 12 inches wide and approximately 16.5 inches long, and each of the flaps 102, 103 is approximately 4.75 inches wide and approximately 8.5 inches long.
  • the present invention is not limited to the dimensions recited above, and any other suitable dimensions may be selected based upon the size of the user and the desired coverage area.
  • the bullet proof vest 100 is constructed according to the above-referenced dimensions, the bullet proof vest 100 weighs approximately 7 pounds.
  • the bullet proof vest 100 includes a plurality of ballistic-grade sheets 104, a gel substrate panel 105, front and rear panels 106, 107, respectively, and a carrier 108 configured to be worn by a user.
  • the gel substrate 105 includes a front surface 109 and a rear surface 110 opposite the front surface 109.
  • the ballistic sheets 104 are stacked on the front surface 109 of the gel substrate 105.
  • the front and rear panels 106, 107 are configured to encapsulate the gel substrate 105 and the ballistic sheets 104.
  • the front panel 106 is stacked on top of the ballistic-grade sheets 104 and the rear panel 107 abuts the rear surface 110 of the gel substrate 105.
  • the front and rear panels 106, 107 are coupled together, thereby defining an interior cavity 111 housing the gel substrate panel 105 and the ballistic sheets 104 (i.e., the gel substrate panel 105 and the ballistic sheets 104 are encapsulated between the front and rear panels 106, 107).
  • the front and rear panels 106, 107 may be coupled together by any suitable means, such as welding (e.g., radio frequency welding or friction stir welding), bonding, or mechanically fastening.
  • the front and rear panels 106, 107 are seam welded together along their respective peripheries.
  • the front and rear panels 106, 107 are polyvinylchloride (PVC) panels having a 20 gauge thickness, although it will be appreciated that the panels 106, 107 may have any other suitable thickness, such as between 10 gauge and 40 gauge.
  • PVC polyvinylchloride
  • the gel substrate 105, the ballistic sheets 104, and the front and rear panels 106, 107 define a composite insert 112 configured to be inserted into a pocket in the ballistic-rated carrier 108.
  • the ballistic-rated carrier 108 may be made from any suitably durable material, such as nylon.
  • the ballistic-rated carrier 108 is CORDURA fabric sold by Invista, with its corporate headquarters located in Wichita, Kansas, U.S.A.
  • each of the ballistic sheets 104 includes ultra-high molecular weight polyethylene (UHMwPE) fibers.
  • the polyethylene fibers may oriented either uni- directionally or in a micro-weave having a plurality of interconnected longitudinal fibers and transverse fibers.
  • the ballistic sheets 104 are DYNEEMA unidirectional (UD) sheets sold by Koninklijke DSM N.V., with its corporate headquarters located at Het Overloon 1 , 641 1 TE Heerlen, the Netherlands.
  • the ballistic sheets 104 include nano-fibers.
  • the bullet proof vest 100 includes forty ballistic sheets 104, although it will be appreciated that any other suitable number of ballistic sheets 104 may be used depending upon the desired ballistics rating level of the bullet proof vest 100.
  • the gel substrate panel 105 (also referred to herein as a "blunt force trauma panel (BFTP)”) is configured to absorb and dissipate the energy from projectiles, percussion waves (e.g, explosive device), and heat sources.
  • the gel panel 105 has an elastic limit of approximately 250 ft-lbs per square inch, although it will be appreciated that the gel panel 105 may have any other suitable elastic limit, depending upon the desired ballistics rating of the bullet proof vest 100, and still fall within the scope and spirit of the present invention.
  • the gel panel 105 also has a high chemical resistivity to a variety of chemicals, including hydrocarbons and acids. In one embodiment, the gel pane!
  • the gel panel 105 has a melting point of approximately 850°F and a freezing point of approximately -150° F (i.e., the BFTP is configured to maintain its gel-like consistency between approximately -150° F and 850°F).
  • the gel panel 105 is also flash-flame proof and configured to withstand 0 Kelvin. Additionally, the gel panel 105 is configured to act as a thermal insulator (i.e., the gel panel 105 has a low thermal conductivity).
  • the gel panel 105 is also configured to be "self-healing" such that the gel flows into any areas damaged by a projectile (i.e., the gel is configured to fill any voids caused by a projectile striking the bullet proof vest 100).
  • the gel panel 105 is configured to maintain its adhesive properties up until approximately 185°F.
  • the gel panel 105 is also anti-bacterial and inert to the human anatomy.
  • the gel panel 105 is also gas impermeable and hydrophobic.
  • the gel panel 105 comprises polyurethane and a catalyst.
  • the gel panel 105 is MITgel sold by Moor Innovative Technologies, LLC, 201 1 State Avenue NE, Olympia, Washington 98506.
  • the gel panel 105 may have a thickness ranging between approximately 1/4 inch and 1/2 inch depending upon the desired ballistics rating level of the bullet proof vest 100. In one embodiment, the gel panel 105 has a thickness of 3/8 inch. In an embodiment of the bullet proof vest 100 in which the gel panel 105 is 3/8 inches thick, the bullet proof vest 100 has a noise reduction rating (NRR) or sound pressure level (SPL) reduction of approximately 166 decibels (“dBs”) (i.e., the intensity of a sound pressure wave will be reduced by approximately 166 dBs after passing through a 3/8 inch thick gel panel 105).
  • NRR noise reduction rating
  • SPL sound pressure level
  • the bullet proof vest 100 of the present invention was tested in accordance with the U.S. National Institute of Justice ("NIJ") standard NIJ-STD-0101.06 Level IIIA (abbreviated, modified). The tests were conducted in an indoor range with the muzzle of the test barrel mounted 1 .5 feet from the target bullet proof vest 100. The test barrel was also positioned at various oblique angles relative to the front surface of the target bullet proof vest 100. The projectile velocity was measured 8.25 feet from the target bullet proof vest 100 by four infrared velocity light screens operating in conjunction with time-based frequency counters. Penetrations were determined by examining a 5.5-inch thick clay block mounted behind the target bullet proof vest 100.
  • NIJ National Institute of Justice
  • FIG. 3 depicts the g- loading experienced by the bullet proof vest 100 compared against the g-loading experienced by the vest without the gel panel 105 when stuck by a projectile.
  • the test was performed using .22 to .762 X 39 caliber ballistic projectiles travelling at a velocity of approximately 1430 fps +/- 30 fps.
  • the vest without the gel panel 105 experienced a maximum load of 829.40 G at the time of impact.
  • the bullet proof vest 100 of the present invention experienced 22.52 G at the time of impact and a maximum load of 90.59 G at 2ms after initial impact.
  • a g-load of 90.59 G corresponds to the user experiencing a back- face signature ("BFS") of approximately 0.25 inches at the area of impact.
  • BFS back- face signature
  • the vest without the gel panel 105 experienced a very narrow g-load peak, indicating that the load imparted by the projectile was not well dispersed along the surface of the ballistic sheets 104 (i.e., the load was localized to the area of impact).
  • the g-load peak experienced by the bullet proof vest 100 of the present invention is relatively wide, which indicates that the load was well dispersed across and throughout the gel layer 105.
  • the gel panel 105 acts as a dampener.
  • the bullet proof vest 100 of the present invention experienced no g-loading 10ms after the projectile was fired, whereas the vest having only the ballistic sheets 104 continued to experience an oscillating g-load over 18ms after the projectile was fired.
  • the method 200 includes a task 205 of cutting a roll of polyethylene into a plurality of ballistic sheets 104 having a desired shape and size.
  • the desired shape and size of the ballistic sheets 104 is based upon the size of the intended user and the desired protection area.
  • the polyethylene roll includes ultra-high molecular weight polyethylene (UHMwPE) fibers oriented either unidirectional ly or in a micro-weave of interconnected longitudinal fibers and transverse fibers.
  • UHMwPE ultra-high molecular weight polyethylene
  • the method 200 includes a task 210 of verifying the correct grain orientation of the fibers of the micro-weave or unidirectional UHMwPE fibers.
  • the method 200 also includes a task 215 of stacking the desired number of ballistic sheets 104, based upon the desired ballistics rating of the bullet proof vest 100. In one embodiment, the desired number of ballistic sheets 104 is forty, although it will be appreciated that the bullet proof vest 100 may include any other suitable number of ballistic sheets 104.
  • the method 200 also includes a task 220 of providing a gel substrate panel 105 (i.e., a blunt force trauma panel (BFTP)) having the desired ballistic protection properties.
  • the gel substrate panel 105 may have a thickness between 1/4" and 1/2", such as 3/8 inch thick.
  • the method 200 includes verifying the desired properties of the gel panel 105, such as size, thickness, weight, and density.
  • the method 200 also includes a task 225 of providing two panels 106, 107 (i.e., a front panel and a rear panel) having a desired thickness, size, and shape.
  • the panels are polyvinylchloride (PVC) panels having a 20 gauge thickness.
  • the method 200 also includes a task 230 of coupling the front and rear panels 106, 107 together around the gel panel 105 and the ballistic sheets 104 to form a composite insert 112.
  • the task 230 of coupling the front and rear panels 106, 107 together includes a task 235 of placing the rear panel 107 in a radio -frequency (RF) seam welding tool.
  • the task 230 of coupling the front and rear panels 106, 107 also includes a task 240 of placing the gel substrate panel 105 on the rear panel 107 in the RF tool and a task 245 of placing the stack of ballistic sheets 104 on the front surface 109 of the gel panel 105.
  • the task 230 of coupling the front and rear panels 106, 107 together also includes a task 250 of placing the front panel 106 on top of the ballistic sheets 104 and a task 255 of actuating the RF tool to weld the front and rear panels 106, 107 together, thereby encapsulating the gel panel 105 and the ballistic sheets 104 between the front and rear panels 106, 107.
  • the gel substrate panel 105, the ballistic sheets 104, and the front and rear panels 106, 107 define a composite insert 112.
  • the method 200 may also include a task 260 of inserting the composite insert 112 into a pocket in a ballistics-grade carrier 108 configured to be worn by a user.
  • the method 200 of manufacturing the bullet proof vest 100 may include each of the tasks described above and shown in FIG. 4, in other embodiments of the present invention, one or more of the tasks described above and shown in FIG. 4 may be absent and/or additional tasks may be performed. Furthermore, in the method of manufacturing the bullet proof vest 100 according to one embodiment, the tasks may be performed in the order depicted in FIG. 4. However, the present invention is not limited thereto and, in a method of manufacturing the bullet proof vest 100 according to other embodiments of the present invention, the tasks described above and shown in FIG. 4 may be performed in any other suitable sequence.
  • the task 205 of cutting the polyethylene roll into a plurality of ballistic sheets 104 is performed before the task 220 of providing the gel substrate panel 105, while in an alternate embodiment, the task 220 of providing the gel substrate panel 105 is performed before the task 205 of cutting the polyethylene roll into a plurality of ballistic sheets 104.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

Gilet pare-balles souple configuré pour absorber et dissiper l'énergie émanant d'un projectile et les ondes de choc. Selon un mode de réalisation, le gilet pare-balles comprend un pan de substrat de gel possédant une surface avant et une surface arrière opposée à la surface avant, et une pluralité de feuilles résistant aux balles empilées sur la surface avant du pan de substrat de gel.
PCT/US2014/029435 2013-03-15 2014-03-14 Gilet pare-balles Ceased WO2014200596A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/838,682 2013-03-15
US13/838,682 US20140259251A1 (en) 2013-03-15 2013-03-15 Bullet proof vest

Publications (2)

Publication Number Publication Date
WO2014200596A2 true WO2014200596A2 (fr) 2014-12-18
WO2014200596A3 WO2014200596A3 (fr) 2015-02-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2014/029435 Ceased WO2014200596A2 (fr) 2013-03-15 2014-03-14 Gilet pare-balles

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US (1) US20140259251A1 (fr)
WO (1) WO2014200596A2 (fr)

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US20150338193A1 (en) * 2014-05-20 2015-11-26 ProTecht, L.L.C. Individual protective blanket for emergencies
EP3504369A4 (fr) 2016-08-26 2020-05-06 Indemnis, Inc. Procédé de liaison de fibres pour la formation d'une structure composite
CN106839887B (zh) * 2016-12-23 2018-05-01 中国工程物理研究院化工材料研究所 基于聚能效应的能量分流式强冲击防护结构及防护方法
US11041696B2 (en) 2017-08-01 2021-06-22 S&S Precision, Llc Load bearing harness
US10845163B2 (en) * 2018-05-18 2020-11-24 PriveCo Inc. Ballistic vest
FR3109927A1 (fr) * 2020-05-08 2021-11-12 TechnoCarbon Technologies France bouclier pour paroi externe de vaisseau ou récipient étanche avec protection active contre les microperforations

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WO1994019660A1 (fr) * 1993-02-16 1994-09-01 Alliedsignal Inc. Composites a resistance a la penetration amelioree
DE4423198A1 (de) * 1994-07-01 1996-01-04 Triumph International Ag Schutzkleidung, besonders antiballistische Damen-Schutzkleidung
ATE319780T1 (de) * 1999-02-05 2006-03-15 Extrude Hone Corp Energie absorbierendes medium verwendendes intelligentes polstersystem und daraus herstellbare artikel
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WO2008144111A1 (fr) * 2007-03-29 2008-11-27 The Trustees Of Columbia University In The City Of New York Matériaux absorbeurs d'énergie
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Also Published As

Publication number Publication date
WO2014200596A3 (fr) 2015-02-05
US20140259251A1 (en) 2014-09-18

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