Patent ID: 6439735
Filing Date: 2002-08-27
Classification: B43K,Y10S

Abstract:
A double-tube water pen comprising:an outer tube; a transparent inner tube having an open end and a closed end, said inner tube having an outer wall formed with a protruding block ring, said inner tube being fitted into said outer tube with said protruding block ring on a top of said outer tube; an ink tube fitted in said inner tube; decorative liquid filled between said outer tube and said inner tube; a pen cover configured to engage with the open end of said inner tube; a pen top engageable with a top of said pen cover; and a glowing gadget installed within said inner tube, said glowing gadget including a glowing part, a glowing stand, a battery stand and battery set installed in said battery stand, said glowing part having a short leg going through a small hole on said glowing stand and contacting a positive end of said battery set, said glowing part having a long leg going into a side tank on said glowing stand and a side tank on said battery set, said long leg contacting a spring which will contact with a metal block, said metal block being disposed on a top of said ink tube.