Paint cartridge

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This is a large format paint cartridge for industrial applications. The cartridge is inserted in a paint gun that has a mechanism to push a plunger, in the cartridge, to eject the paint out for another element to spray the paint.
The design consisted of very accurate engineering for the seal in the plunger to withstand the pressure and prevent paint leakage. There were a number of iterations of the prototype made which I tested in my workshop. 

The material selection was very careful with the cartridge being made of engineering plastics an strong synthetic rubber. 

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