The felt tip pen for liquid ink or paint has a front writing unit and a container located to the rear fitted with a passage to connect the inside of the pen with the writing unit. The pen has a liquid connector connecting two points leading to the inside of the pen with one of these points located further forward than the other points. This liquid connection has a recess which loads towards the outside of the pen. The liquid connection towards the outside has a pressure equalisation chamber along it's path and is made in the form of a screw shaped channel with variable cross section.
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