WO2013162348A1 - Chambre de récupération de projectiles - Google Patents

Chambre de récupération de projectiles Download PDF

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Publication number
WO2013162348A1
WO2013162348A1 PCT/MX2013/000052 MX2013000052W WO2013162348A1 WO 2013162348 A1 WO2013162348 A1 WO 2013162348A1 MX 2013000052 W MX2013000052 W MX 2013000052W WO 2013162348 A1 WO2013162348 A1 WO 2013162348A1
Authority
WO
WIPO (PCT)
Prior art keywords
chamber
recovery chamber
projectile
projectile recovery
projectiles
Prior art date
Application number
PCT/MX2013/000052
Other languages
English (en)
Spanish (es)
Inventor
Octavio Rodolfo CIBRIÁN VIDRIO
Jorge Alberto DOMÍNGUEZ QUEVEDO
Fernando DOMÍNGUEZ QUEVEDO
Original Assignee
HARO COVARRUBIAS, Jorge Armando
GUERRA MICHEL, Óscar Alfredo
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 HARO COVARRUBIAS, Jorge Armando, GUERRA MICHEL, Óscar Alfredo filed Critical HARO COVARRUBIAS, Jorge Armando
Priority to CA2871580A priority Critical patent/CA2871580C/fr
Priority to US14/397,384 priority patent/US20150084284A1/en
Publication of WO2013162348A1 publication Critical patent/WO2013162348A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J13/00—Bullet catchers

Definitions

  • the present invention relates to a projectile recovery chamber or also known as a ballistic trap which is to provide a projectile recovery chamber of reduced dimensions that allows the recovery of a projectile in a short period of time, obtaining the samples with the ballistic footprint, of the particular scratch that each firearm prints, consistently reproduced, eliminating possible alterations in the marks of the cannon on the bullet. To a large extent, this helps forensic experts make their comparative determinations more accurately.
  • a retainer for the deceleration and capture of projectiles in general, includes a support structure having an inclined surface and a projectile trap means disposed on the inclined surface.
  • the projectile capture medium may be a ballistic resistant granular medium or a combination of an i ballistic hydrated medium with a super absorbent polymer (SAP) gel.
  • the support structure is made of a cushion, foam, fiber reinforced concrete, such as bag (R).
  • the support structure also includes a box.
  • the additives can also be mixed in the projectile capture medium to control alkalinity and prevent heavy metal leaching.
  • the referred invention in addition to not being applied for the recovery of witness bullets for forensic use, also does not contain the same configuration as the invention to be protected. It is not a camera, but rather an open trap to trap projectiles, where a capture medium is used which can be among other options a super absorbent polymer (SAP) gel.
  • SAP super absorbent polymer
  • a projectile retention material consisting of a thermoplastic material that brakes and / or collects the projectiles, characterized in that the layer (1, 20) consists of at least one molded part (10) of thermoplastic synthetic material that it is stable in its form at room temperature and at a temperature of at most 200 ° C, preferably 150 ° C, it has a viscosity that allows its drained and where the thermoplastic material can be completely removed from the projectile by simple heating;
  • Japanese patent JP4101642 refers to the problem of resolving the recovery of scattered bullets that have been fired and accumulated against a bank built behind a target, where there is almost no recovery work and it is not yet possible to recover and recycle the bullets.
  • the proposed solution is an impact receiver that has a sufficiently thick gel material that is stored in a bag and placed behind the lens. While the solution proposed by the Japanese application includes the use of a gel to capture the bullets, it makes no mention of the gel's rheoptic characteristics and does not refer to the gel being in continuous motion. In addition to that it does not have an application for forensic ballistics.
  • US patent application US 2009/0303982 refers to an apparatus for braking by induction of a projectile, wherein the apparatus has a unidirectional conductor with a closed conduction path surrounding the passage of the projectile in motion.
  • the unidirectional conductor allows current to flow through it substantially in only one direction along the entire corridor.
  • the movement of the magnetic field induces a current flow through the closed conductive path, which in turn generates a magnetic field behind the projectile with the same polarity than the field of the projectile.
  • Both fields attract each other, so much that a braking force is exerted on the projectile and tends to align the two magnetic fields. The alignment of these fields centers the projectile away from the wall of the device. Because the unidirectional conductor allows current to flow substantially only in the direction that a field produces having the same polarity as the moving field, the repulsive opposite polarity of a field magnetic that could otherwise generate a deviation from the projectile in its path.
  • Another invention for trapping projectiles is the "Snail" deceleration chamber consisting of a deceleration chamber with a reduced entry angle that guides the projectile into a circular chamber where the projectile revolutionizes until losing energy falling for collection, leaving the remains of missiles deformed or fragmented and therefore not usable in forensic studies.
  • Figure 1 is a side view of the projectile recovery chamber
  • Figure 2 shows different views of the flanges that join the cylindrical modules that make up the different sections of the projectile recovery chamber.
  • Figure 3 are different views of the cylindrical modules that make up the projectile recovery chamber.
  • Figure 4 shows the assembly of the flanges with the cylindrical modules.
  • Figure 5 is a view of the assembly of flanges, gaskets and cylindrical modules.
  • Figure 6 is a perspective view of the projectile recovery chamber where the sections that make up the camera are appreciated.
  • Figure 7 is a side view of the firing chamber in the inclined position as it should be placed.
  • Figure 8 is a detail of the front cover assembly of the projectile recovery chamber.
  • Figures 9 (a-d) are different views of the assembled front cover of the projectile recovery chamber.
  • Figures 10 (a-c) show different views of the back cover of the projectile recovery chamber.
  • Figure 11 is a plan view of the metal platform of the projectile recovery chamber.
  • Figure 12 is a detail of one of the supports that connect the projectile recovery chamber with the metal platform.
  • Figure 13 shows the height adjustment mechanisms, damping and the transport trolley for the projectile recovery chamber.
  • Figure 14 is a perspective view of the projectile recovery chamber. DETAILED DESCRIPTION OF THE INVENTION:
  • the projectile recovery chamber (1) of the present invention consists of a cylindrical body formed by coupled cylindrical sections (2), the number of which may vary depending on the length required for the recovery chamber of projectiles (1), being at least three, where the cylindrical sections, (2), are preferably made of stainless steel and are joined by flanges (4) with an intermediate gasket (5).
  • the projectile recovery chamber (1) at its rear end has a hydraulic system consisting of a self-aspirating pump (6) that has a basket-type filter (7) that serves to fired projectile recovery, a suction pipe (8) that draws a fluid from the projectile recovery chamber (1) through the suction hole (27) and a return pipe (9) that returns the fluid into the interior of the projectile recovery chamber (1) through the return hole (26);
  • the hydraulic system is controlled by a PLC Programmable Logic Controller that is located on a control board (3).
  • the rear cover of the chamber (10) is a plate that covers the circular rear end of the projectile recovery chamber (1) and has a vertical projection (28) upwards in relation to the rear cover, to finish in a fold forming a horizontal surface (29) with an internal angle of less than ninety degrees where the self-aspirating pump (6) and the basket-type filter (7) are supported;
  • the projectile recovery chamber (1) has in its front part a cover called the front cover of the chamber (11) that has a rectangular hole (35) through which the barrel of the weapon is introduced and a basket for capturing shells ( 12) for the capture and recovery of automatic weapon casings.
  • the projectile recovery chamber is held by anterior (13) and posterior (14) supports that are coupled to a metal platform (15), these supports take the form of a circular section (fig.
  • the rear support (14) is coupled to a pneumatic shock absorber (18) that is longitudinally aligned with the metal platform (15), where the front end of the pneumatic shock absorber (18) is is fixed to the metal platform (15) and its rear end is attached to the rear support (14) of the projectile recovery chamber (1), so that if there is a displacement of the projectile recovery chamber (1 ), it travels along the metal platform (15), because the supports slide through the rear grooves (16a and 16b) and central groove (17), but its path is stopped by the pneumatic damper (18 ) which is attached to the rear support (14), in such a way that it allows the return of the projectile recovery chamber (1) to its initial position.
  • the metal platform (15), Fig. 11 has in its lower face means for coupling to the industrial cart (19); Between the industrial cart (19) and the metal platform (15), there is a lifting mechanism (20) that allows modifying the position of the front end of the projectile recovery chamber (1), adjusting its elevation to the height of the shooter or the person who triggers the weapon.
  • the cart has wheels (21) for industrial use to support the weight of the whole set.
  • the assembly also has a control panel (3) to drive the self-aspirating pump (6) when the weapon is positioned in the rectangular hole (35).
  • the industrial cart (19) has on its upper face a pair of rear bearings (22) and a pair of front bearings (23) coupled each pair with a steel bar (24), the bearings on the back (22) allow a mobile coupling between the metal platform (15) and the industrial cart (19), while the bearings on the front (23 ) are located at the center of the cart and serve to hold the lifting mechanism (20) by the back of the same mechanism, allowing a mobile coupling by means of a steel bar (24); additionally, two lower bearings (25) are attached to the lower face of the metal platform (15) and in turn allow the front part of the lifting mechanism (20) to be held, the lifting mechanism (20) being held in the part posterior by the front bearings (23) that are attached to the front of the industrial cart (19) and by the lower bearings (25) attached to the front of the metal platform (15) on its lower face.
  • the projectile recovery chamber is constructed by joining three or more cylindrical sections (2) by means of flanges (4) that allow one section to be secured with the other.
  • three cylindrical sections (2) are joined by flanges (4) between which a gasket (5) made of a high density polymer is placed to prevent fluid leakage.
  • the rear cover of the chamber (10) consisting of a circular section having two holes is placed; a return hole (26), to the center of the circular section and a suction hole (27) at the bottom of the circular section, the back cover is attached to the chamber body by means of a flange (4) and a gasket (5) to prevent leaks.
  • the rear cover of the chamber (10) shown in Figure 5 has a vertical projection (28) extending vertically in the upper part of the circumference of the rear cover of the chamber (10) and at its end upper, the vertical projection (28) has a double at an angle such that it forms a horizontal surface (29) where the self-aspirating pump (6) will rest.
  • the front cover of the chamber (11) shown in Figure 6 is formed by two circular steel plates, a front plate (30) and a plate rear (31) joined by a steel ring (32) 10 cm wide, where the back plate (31) is coupled with the upper flange of the projectile recovery chamber (1); on the same back plate of the front cover (31) a circular hole (33) of two inches in diameter was made where the projectiles will pass to the projectile recovery chamber (1).
  • a centering device (34) or "V" shaped guide approximately three inches in length that is mounted on the stainless steel back plate (31), where a powerful magnetic field is generated permanent using small magnets (36) which are placed in the lower part of the centering device (34), where the magnetic field has the function of attracting and correcting the direction of the guns and steel frames of the firearms.
  • a fundamental component of the present invention is that unlike other firing chambers, it does not use water, pellets, or fibers. In its Instead, it uses a ballistic gel that has been developed specifically for this application.
  • the gel used is a gel with rheopic properties, that is, in its normal state it behaves like a liquid, but by keeping it in constant motion and rapid agitation, the gel behaves like an elastic solid that substantially increases its viscosity, so it offers greater resistance to projectiles, so that it stops them at a shorter distance and without producing traces beyond the particular scratch of the gun barrel, since the gel tends to wrap and capture the bullets as if it were a three-dimensional network that is formed by particles suspended in water, so it does not generate substantial erosion on the structure of the projectiles.
  • the gel used has a property called reopexy that corresponds to the behavior of non-Newtonian fluids.
  • the viscosity varies in relation to the temperature and the shear stress that is applied, so that the gel used does not have a defined and constant viscosity value.
  • the main body of the projectile recovery chamber (1) is constructed by three cylindrical sections (2); Type 304 stainless steel 10 gauge was used for this case; with a dimension each of 50 cm of «length and 50 cm in diameter in each cylindrical section (2) joined by flanges (4) of laser cut joint, also made of stainless steel type 304 of 1.0 x .25 inches to form a total length of the body of the chamber of 150 cm, with a capacity of 260 liters of ballistic gel and between each two sections a gasket (5) was placed to avoid leaks.
  • an industrial trolley (19) manufactured with a heavy-duty four-wheel steel plate (21) is used, where the projectile recovery chamber is mounted (one).
  • a hydraulic pump or self-aspirating pump (6) with 2.0 HP motor, basket filter (7) and a control panel (3), where the motor of the self-aspirating pump was installed (6) has speed variation and power supply to 220 volts.
  • the camera's buffer system consists of three linear guides that are three slots (16a, 16b) and (17) on a metal platform (15) to slide the projectile recovery chamber () and a pneumatic damper (18 ) with capacity for 750 Kg, same that in one of its ends is fixed to the metal platform (15) and in the other end it is coupled to the back support (14) of the projectile recovery chamber that moves through the linear grooves (16a, 16b) and (17).
  • the lifting mechanism (20) of the chamber consists of a tensioner with an endless screw for height adjustment.
  • the centering device (34) or firearm barrel guide consists of a wide magnetic field created by magnets (36) applied on a "V" shaped support piece that has a presence or interruption sensor (no shown) signal so that when the weapon is placed it activates a signal that allows the self-aspirating pump (6) to be started.
  • the chamber has an ozonator (not shown) to eliminate bacteria accumulated in the gel and thus maintain its consistency.
  • the projectile recovery chamber (1) is assembled, it is loaded with approximately 260 liters of rheopytic gel, adjusting the height of the anterior end of the projectile recovery chamber (1) where the basket for catching catchers ( 12) at height of the shooter or the person who operates the weapon by means of the lifting mechanism (20).
  • the sensors detect the weapon and the self-aspirating pump (6) that begins to subtract gel from the projectile recovery chamber is automatically turned on (6). 1) through the suction hole (27) and return it through the return hole (26) to the projectile recovery chamber (1).
  • the agitation produced by the pump causes the gel viscosity to increase; at the same time, the weapon is attracted by the magnets (36) of the centering device (34) and is in the proper position to fire, the sensors light an alarm to warn that the test has started. All sensors are controlled by a PLC (programmable logic controller) type system that is located on a control board (3).
  • PLC programmable logic controller
  • the bullet is slowed in its path by the rheopic gel and falls by gravity to the lowest point of the projectile recovery chamber (1), from which it is sucked along with the gel by the auto pump applicant (6).
  • the sucked gel passes through a basket-type filter (7) where the bullet is trapped and separated from the gel that is returned to the projectile recovery chamber (1), in this way, repeated shots can be made to capture the bullets .
  • the safety of the shooter or the person who fires the weapon is protected by a basket for capturing bushings (12) of wire that holds the caps of the fired bullets.
  • the camera's shock absorber system absorbs the inertial displacement caused by the energy of the fired projectiles. Once the shot is made, the camera moves backwards on the metal platform (15), so that the pneumatic shock absorber (18) absorbs the energy of the shot and returns the projectile recovery chamber (1) to its initial position. Once the tests have been carried out, a bullet fired by a firearm can be recovered in an average time of 1.5 seconds.
  • Basket for catching catchers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

La présente invention concerne une chambre de récupération de projectiles ou piège à balles, dans laquelle un gel à propriétés rhéopectiques est utilisé pour retenir la balle, et un système de recirculation du gel est utilisé pour accroître la viscosité de celui-ci de manière qu'il freine le passage de la balle. Le système de recirculation sert en outre à attirer la balle vers la partie la plus basse de la chambre, et à la guider vers un filtre de type panier d'où elle est récupérée. De par ses dimensions, la chambre de récupération de projectiles est facile à transporter et comporte un mécanisme de levage permettant de régler la hauteur de la chambre en fonction de la taille du tireur, et comporte en outre un dispositif de positionnement et un système de commande logique réparti pour l'arrêt et le démarrage de la pompe.
PCT/MX2013/000052 2012-04-25 2013-04-25 Chambre de récupération de projectiles WO2013162348A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA2871580A CA2871580C (fr) 2012-04-25 2013-04-25 Chambre de recuperation de projectiles
US14/397,384 US20150084284A1 (en) 2012-04-25 2013-04-25 Projectile recovery chamber

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MX2012004821A MX2012004821A (es) 2012-04-25 2012-04-25 Cámara de recuperación de proyectiles.
MXMX/A/2012/004821 2012-04-25

Publications (1)

Publication Number Publication Date
WO2013162348A1 true WO2013162348A1 (fr) 2013-10-31

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ID=49483548

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/MX2013/000052 WO2013162348A1 (fr) 2012-04-25 2013-04-25 Chambre de récupération de projectiles

Country Status (6)

Country Link
US (1) US20150084284A1 (fr)
AR (1) AR092824A1 (fr)
CA (1) CA2871580C (fr)
CO (1) CO7141455A2 (fr)
MX (1) MX2012004821A (fr)
WO (1) WO2013162348A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI632337B (zh) * 2018-01-31 2018-08-11 楊卓任 清槍箱
CN109443103B (zh) * 2018-12-27 2023-08-15 衡磊科技集团股份有限公司 一种多功能集弹器
CN112903262B (zh) * 2021-01-15 2023-05-26 山西江淮重工有限责任公司 具有释放发射功能装置的检测方法
US12031804B1 (en) * 2023-05-09 2024-07-09 Benson Yuk CHO Multipurpose live bullet testing receiver and bullet trap

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US2631454A (en) * 1950-06-30 1953-03-17 Berger M Shepard Water gun butt and apparatus
WO2004076958A2 (fr) * 2003-02-28 2004-09-10 Allan Stefan Wojcinski Dispositif pour charger, decharger et regler une arme et cabine de protection pour ledit dispositif
US20050093243A1 (en) * 2002-12-02 2005-05-05 Larson Steven L. Bullet trapping medium and system
EP2416103A2 (fr) * 2010-08-02 2012-02-08 Action Target Inc. Piège à balle

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US3869123A (en) * 1973-06-28 1975-03-04 Carter Jr Hugh P Shooting gallery with target ball supported on a column of air
US20020088339A1 (en) * 2001-01-11 2002-07-11 Koffler Scott C. Bullet collector
US6732628B1 (en) * 2001-06-11 2004-05-11 Savage Range Systems, Inc. Portable bullet trap
US7179173B2 (en) * 2002-03-25 2007-02-20 Nbgs International Inc. Control system for water amusement devices
US7373887B2 (en) * 2006-07-01 2008-05-20 Jason Stewart Jackson Expanding projectile
US8336245B2 (en) * 2008-02-13 2012-12-25 Alpine Trust Remote control system for controlling a remote animal collar
US8789780B2 (en) * 2012-10-26 2014-07-29 Raymond Brosseuk Method for extracting heavy metals from hard rock and alluvial ore

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2631454A (en) * 1950-06-30 1953-03-17 Berger M Shepard Water gun butt and apparatus
US20050093243A1 (en) * 2002-12-02 2005-05-05 Larson Steven L. Bullet trapping medium and system
WO2004076958A2 (fr) * 2003-02-28 2004-09-10 Allan Stefan Wojcinski Dispositif pour charger, decharger et regler une arme et cabine de protection pour ledit dispositif
EP2416103A2 (fr) * 2010-08-02 2012-02-08 Action Target Inc. Piège à balle

Also Published As

Publication number Publication date
AR092824A1 (es) 2015-05-06
US20150084284A1 (en) 2015-03-26
CO7141455A2 (es) 2014-12-12
MX2012004821A (es) 2013-10-24
CA2871580C (fr) 2017-07-04
CA2871580A1 (fr) 2013-10-31

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