Composite writing instrument

Details Composite writing instrument Composite writing instrument

2006-10-31

2006-10-31

Walczak, David J. (Department: 3751)

Coating implements with material supply

Including means to apply material-moving force

By compression or suction of gas in reservoir

C401S030000, C401S109000

Reexamination Certificate

active

07128491

ABSTRACT:
In a composite writing instrument having mounted therein a plurality of writing devices including at least one ball-point pen refill equipped with a tip of the ball-point pen at a top end and an ink reservoir section at a rear end so that writing tip portions may be alternately allowed to project and retreat from an front body top, a pumping type pressurization mechanism is provided behind the ball-point pen refill, and a rear end of ink is pressurized by way of knock operation in a situation where a tip end portion has projected from a body end, so as to help the ink flow towards the tip side.

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patent: 2001-205980 (2001-07-01), None

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