Writing instrument having a capillary writing tip

Details Writing instrument having a capillary writing tip Writing instrument having a capillary writing tip

B - Operations, Transporting

43

K

B43K 1/00 (2006.01) B43K 8/02 (2006.01) B43K 8/04 (2006.01)

Patent

CA 2652004

The invention concerns a writing instrument (1) having a capillary writing tip, comprising: - a barrel (10) extending along a central axis (A) and comprising a liquid-reservoir compartment (5), a tubular head (2), comprising internal longitudinal ribs (20) each having a top (201), the tops being adapted to hold a capillary connector (3), said ribs (20) extending rearwards from the front opening of the head (2), - a stop member (4) adapted to prevent a rearward axial movement of the connector (3). A ring (4) substantially coaxial with the central axis (A) and situated at a distance from the front opening of the head (2) is firmly connected to the barrel (10) by the longitudinal ribs (20) and forms the stop member while engaging with the capillary connector (3), the ribs (20) extending radially between said ring (4) and the barrel (10). The barrel (10), the head (2), the ribs (20) and the ring (4) are produced in a single moulded piece.

L' invention concerne un instrument d'écriture (1 ) présentant une pointe d'écriture capillaire, comprenant : - un fût (10) s' étendant selon un axe central (A) et comportant un compartiment (5) réservoir de liquide, - une tête tubulaire (2), comportant des nervures longitudinales intérieures (20) présentant chacune un sommet (201), les sommets étant adaptés pour maintenir un connecteur capillaire (3), lesdites nervures (20) s'étendant vers l'arrière depuis l'ouverture avant de la tête (2), - un organe de butée (4) adapté pour empêcher un déplacement axial du connecteur (3) vers l'arrière. Un anneau (4) sensiblement coaxial à l'axe central (A) et situé à distance de l'ouverture avant de la tête (2) est relié solidairement au fût (10) par les nervures longitudinales (20) et forme l'organe de butée en coopérant avec le connecteur capillaire (3), les nervures (20) s'étendant radialement entre ledit anneau (4) et le fût (10). Le fût (10), la tête (2), les nervures (20) et l'anneau (4) sont réalisés en une seule pièce moulée.

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