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US 2008/0165230 A1Published application
Method and device to prevent refill of cartridge
OwnerThomas Richardsinventor
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OwnerThomas Richardsinventor
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A method and device to prevent the refill of cartridges, including inject and laser printer cartridges. The device includes a cage made of hardened drill resistant material inserted within the central reservoir of the cartridge to prevent drilling into the cartridge. The device also includes a bit grabbing mesh designed to grab or catch any drill bit able to penetrate the drill resistant cage, thus impeding the ability of a refiller to drill holes into the central reservoir. The device also includes at least two pressure sensitive check valves that close if a refiller attempts to introduce refill ink either by forcing it in under pressure or by drawing it in by means of a vacuum created within the central reservoir. Finally, the device includes a number of packets containing an ink altering material that would be released and foul any refill ink during an attempt to refill the cartridge.
A method for preventing the refill of a cartridge having a central reservoir defined therein, said method comprising the steps of:
A device for the prevention of refilling a cartridge having a central reservoir defined therein, said device comprising a hardened drill resistant cage disposed within the central reservoir of said cartridge, wherein said drill resistant cage prevents drilling into said central reservoir and the introduction of a refill material.
A device for the prevention of refilling a cartridge having a central reservoir defined therein, said device comprising a bit grabbing mesh disposed within said central reservoir, wherein said bit grabbing mesh would grab a drill bit of an attempted refiller, thus impeding the refillers ability to drill into said central reservoir.
A device for the prevention of refilling a cartridge having a central reservoir defined therein, said central reservoir further defined by a top, a bottom, a front wall, a back wall, a right wall and a left wall, wherein said device comprising an anti-pressure chamber created by a bottom plate having a bottom two way check valve therein, said bottom plate disposed near said central reservoir bottom such that a tight seal is created in said central reservoir when said bottom check valve is closed, and wherein said anti-pressure chamber is further created by a top plate having a top two way check valve therein, said top plate disposed near said central reservoir top such that a tight seal is created in said central reservoir when said top two way check valve is closed;
A device for the prevention of refilling a cartridge having a central reservoir defined therein, said device comprising an ink altering material contained within a multiplicity of ink altering packets, wherein said ink altering packets are opened during attempted refill thus releasing said ink altering material into a refill ink thereby preventing use of the refill ink.
Dependencies are inferred from the claim text.