Pressurized writing instrument employing a compressible...

B - Operations – Transporting – 43 – K

Patent

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Details

B43K 5/06 (2006.01) B43K 7/03 (2006.01)

Patent

CA 2402333

A pressurized writing device comprising an ink tube (12) having a first end (18) and second end (20), a writing tip (22) at the first end, an end plug (30) at the second end and a pressurizing system (24). The pressurizing system applies a force to a writing medium (14) in the ink tube to force the writing medium out the writing tip. The pressurization system includes a compressible ink driving member (28). The compressibility of the ink-driving member assures a secure seal of the writing medium in the ink tube. Additionally, the compressibility permits the ink-driving member to wipe ink off the interior surface of the link tube as ink is expended.

L'invention concerne un dispositif d'écriture sous pression comprenant un tube d'encre (12) possédant des première (18) et seconde (20) extrémités, un embout d'écriture (22) à la première extrémité, un bouchon d'extrémité (30) à la seconde extrémité et un système de mise sous pression (24). Ce système, qui applique une force sur un milieu d'écriture (14) dans le tube d'encre afin de forcer le milieu d'écriture à sortir par l'embout d'écriture, comprend un élément compressible d'entraînement d'encre (28). La compressibilité de cet élément assure l'étanchéité du milieu d'écriture dans le tube d'encre. La compressibilité permet, en outre, à l'élément d'entraînement d'encre de racler la surface intérieure du tube d'encre lorsque l'encre est consommée.

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