US2004127311A1PendingUtilityA1

Liquid colorant spray device

Priority: Dec 5, 2002Filed: May 23, 2003Published: Jul 1, 2004
Est. expiryDec 5, 2022(expired)· nominal 20-yr term from priority
Inventors:Nathan R. Brock
F42B 8/26
32
PatentIndex Score
0
Cited by
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References
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Claims

Abstract

A non-lethal hand held liquid spray paint grenade utilizing a single, curved, and uninterrupted reservoir design, expandable and permanently sealed on one end with a crimping device of sufficient strength to close the single tube channel and maintain a liquid tight seal. The device consists of a spherical neck plug, and neck plug safety retainer, which allows filling to be completed through a fully assembled unit thus eliminating the difficult task of trying to seal and cap a pressurized grenade. The present invention utilizes a single curved tube with a single discharge opening to create a circular self-propelling motion. This forces the discharging grenade to make multiple rotations in its impact area, thus decreasing the targets ability to remain unmarked. To operate, remove safety plug retainer ring by pulling attached removing device and throw at target. When the grenade impacts an object with sufficient force the neck plug is dislodged and expelled from the neck by the pressurized colorant escaping the reservoir. The energy generated from the impact causes the grenade to bounce up in the air while the force of its pressurized discharge keeps the grenade airborne and spinning thought its entire discharge, greatly increasing its colorant marking area.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
         1 . A hand held liquid spray paint grenade comprised of an expandable tube, permanently sealed tube end device, single uninterrupted reservoir that is purposefully bent into a curved shape, pressure filled with scented liquid colorant in an inverted position with a sphere shaped neck plug device for containing the pressurized colorant.  
     
     
         2 . The device of  claim 1 , wherein said permanently sealed tube end device consists of a metal crimp of sufficient strength to close the tube channel and maintain a permanent seal without the need to pinch the tube shut with a fold or have another pressurized body behind the first to balance the pressure in the first to prevent leakage.  
     
     
         3 . The device of  claim 1 , wherein said scented liquid colorant is of a non-toxic water-washable nature and is pressure injected into the expandable tube reservoir for later expulsion upon a target as selected by the user.  
     
     
         4 . The device of  claim 1 , wherein said expandable tube is approximately three inches in length, about seven-sixteenths outside diameter, about one-quarter inch inside diameter, and one-eighth inch wall thickness, comprising one permanently sealed tube end and one open end referred to as the muzzle by which the device is filled during manufacturing process and also by which the device is relieved during the liquid colorant expulsion process. The open end is temporarily blocked by sphere shaped plug device about {fraction (21/64)} inches in diameter.  
     
     
         5 . The device of  claim 1 , wherein said liquid filled tube reservoir is consists of a single uninterrupted reservoir body that is purposefully bent into a curved shape, offsetting the neck from its center axis to create a spinning action while the grenade reservoir is expelling its scented liquid colorant contents.  
     
     
         6 . The device of  claim 4 , wherein said neck plug device is immobilized by the pressurized colorant on one side and the neck plug safety retainer on the other side which is temporarily affixed around the outside of the neck and positioned between the muzzle and the neck plug device and reduces the neck channel opening to create a shoulder inside the neck channel for which the neck plug can seat.  
     
     
         7 . The device of  claim 4 , wherein said neck plug device is sphere shaped with a diameter greater than that of the neck channels inside diameter, and a specific gravity greater than that of the liquid colorant thereby using the force of gravity to position the neck plug device in the neck channel opening (not illustrated) at the conclusion of the filling process.  
     
     
         8 . The device of  claim 6 , wherein said neck plug safety retainer is temporarily affixed around the outside of the neck and positioned between the muzzle and the neck plug device restricting the inside neck channel a sufficient amount as to prevent the neck plug device from escaping the muzzle prematurely while leaving a sufficient opening for the liquid colorant to be injected into the reservoir during the filling process.  
     
     
         9 . The device of  claim 6 , wherein said neck plug safety retainer, affixed around the neck encompasses an exterior mounting member for attaching the neck plug safety retainer pull-ring.  
     
     
         10 . The device of  claim 9 , wherein said safety retainer pull-ring is affixed to the neck plug safety retainer exterior mounting member and is used to aid in the removal of the neck plug safety retainer.  
     
     
         11 . The device of  claim 6 , wherein said neck plug safety retainer creates a reduction of the neck channel forming a seat which restrains the neck plug device inside the neck channel while creating a seal to maintain the pressurized liquid colorant inside the expanded reservoir without the necessity of a fold and or cap at the tube end or a second pressurized chamber to retain the pressurized liquid colorant.  
     
     
         12 . The device of  claim 9 , wherein said neck plug safety retainer pull-ring is mounted to the exterior member of the neck plug safety retainer and of sufficient size to allow a finger inside the ring, aids in the removal of the neck plug safety retainer from the grenade before throwing.  
     
     
         13 . The device of  claim 4 , wherein said muzzle is the opening at the top end of the tube neck whereby the neck plug device and liquid paint are expelled.  
     
     
         14 . The unique liquid spray paint grenade manufacturing process comprising: a specified length of tube; a neck plug device; neck plug safety retainer and permanently sealed tube end crimp are installed prior to the filling process. Placing the muzzle down, scented liquid colorant is pressure injected through the reduced neck channel into the expandable latex tube reservoir; after the reservoir is expanded to the desired size, the injected process is complete; with the liquid paint no longer entering the reservoir, the neck plug device will settle to the lower most portion of the reservoir referred to as the neck channel opening (not illustrated) When the filled grenade is removed from the filling station, the pressurized liquid paint forces the neck plug device into the neck channel stopping as it seats against the restricted portion of the neck channel created by the neck plug safety retainer. The neck plug safety retainer pull-ring is attached to the exterior member of the neck plug safety retainer. The single liquid filled reservoir chamber is purposefully bent into a curved shape.  
     
     
         15 . The liquid spray paint grenades operating procedures consist of holding the curved, colorant filled reservoir with one hand while removing the neck plug safety retainer from the neck by pulling the neck plug safety retainer pull-ring. When the grenade is thrown and strikes an object with sufficient impact, hydrostatic pressure created by the impacting force upon the liquid colorant inside the reservoir dislodges the neck plug device allowing the pressurized liquid colorant to force itself and the neck plug through the neck channel exiting the muzzle. The pressurized liquid colorant escaping the curved reservoir, forces the embodiment to spin is the same general location of its original impact, which increases the effect of the discharge.

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