Paint Balls


Maro Polymer Online

Craig Technologies

US Patents with abstracts

“Paintball enthusiasts have participated in paintball practices, games and competitions for a number of decades. In these games, paintballs ordinarily sustain a range of forces in being shot out of specially designed guns using compressed gases. Typically, in paintball games, players on a paintball team will attempt to shoot the players of another team with such a paintball. Prior art paintballs may have included a frangible paintball shell (typically made from a gelatin) encapsulating a discrete paintball fill material. When the paintball impacts upon a surface, its shell may preferably have been designed to be break open and release the paintball fill material onto the impacted surface. (Depending on the fill material and the surface characteristics, damage and/or staining may have occurred.) When the paintball strikes an opposing player, the paintball may have preferably shattered and released the paintball fill material (e.g., paint) onto the player. Preferably, the paintball fill material may have left a mark sufficient to identify the marked player as having been disqualified from continuing the game.

In the formation of paintballs and other softgel capsules, it may have been known in the prior art to use a spreader box to dispense a gel (e.g., gelatin) from a spreader box opening onto a casting drum. The casting drum operatively rotates and carries the dragged gel from the spreader box opening, about a casting drum center of rotation, to solidify and form a gel ribbon (hereinafter alternately referred to as a web of paintball shell material). A pair of gel ribbons is drawn away from their respective casting drums, and then transported and fed between a pair of rotary dies that have matching die pockets. The two gel ribbons (or webs of paintball shell material) are thus brought together to form a single unitary web of paintball shell material which has a number of encapsulated pocket portions injected full of the paintball fill material. (The paintball fill material has heretofore been known to have been dispensed into the encapsulated pocket portions through an injection wedge located between the rotary dies.)”

[Perrone, US Patent 8,137,598 (3/20/2012)]


US Patents with abstracts 

Spreader box apparatus and method of forming bi-laminar paintball shell material and paintballs for use with paintball gun

Perrone of KEE Action Sports Technology, New Jersey, used a spreader box and method to form a bi-laminar paintball shell material.  Walls of a box body define a reservoir containing, and an aperture dispensing, a first gel.  Walls of a gate body define a reservoir containing, and an aperture dispensing, a second gel.  Within the box, the first gel is kept separate from the second gel. The box body aperture dispenses the first gel as a continuous first layer.  The gate body aperture dispenses the second gel as a continuous second layer that is adjacent and juxtaposed with the first layer, such that the first gel bonds with the second gel to form the bi-laminar paintball shell material.  A paintball, containing a fill material, has a frangible bi-laminar shell including an exterior shell that completely surrounds and contains an interior shell.  The paintball is adapted to withstand the normal range of forces sustained in being fired from a paintball gun. (RDC 5/14/2012)


Roger D. Corneliussen
Craig Technology Consultant
Telephone: 610 663 6603


Date of latest addition. First entry was added 514/2012.