Writing pen

Details Writing pen Writing pen

B - Operations, Transporting

43

K

207/66

B43K 8/02 (2006.01) B43K 7/10 (2006.01) B43K 8/04 (2006.01)

Patent

CA 1252756

ABSTRACT OF THE DISCLOSURE A writing pen having good ink flow control to a tip suitable for fine writing over a wide range of atmospheric pressure and ambient temperature. The pen has a flow-regulator composed of first, second and third ink supply rods connected in series. The flow-regulator has a plurality of fins around its circumference which cooperatively define a labyrinth groove. The spacing between fins varies from the front end to the rear end of the flow-regulator, with the widest spacing occurring at the front end, towards the writing tip of the pen. - 17 -

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