B - Operations – Transporting – 43 – K
Patent
B - Operations, Transporting
43
K
B43K 5/18 (2006.01)
Patent
CA 2240177
A marking instrument has a reservoir (7) for marking fluid partially delimited by diaphragm (10) having its outer edge sealed to a body (12) of the marking instrument, and a hole at its centre through which extends a feed device (3) connected to the marking tip, an inlet port (11) of a feed channel (6) extending along the feed device being arranged to be opened and closed by the diaphragm which acts as a valve. The diaphragm (10) has a conical form to reduce the axial displacement of the feed device (3) needed to open the valve.
L'invention concerne un instrument de marquage doté d'un réservoir (7) à fluide de marquage partiellement délimité par un diaphragme (10) dont la bordure extérieure est fixée hermétiquement au corps (12) de l'instrument proprement dit. Cet instrument est percé en son centre d'un trou par lequel s'étend un dispositif d'alimentation (3) relié à l'extrémité de marquage; une admission (11) de canal d'alimentation (6) s'étend le long du dispositif d'alimentation de façon à s'ouvrir et se fermer sous l'action du diaphragme qui tient lieu de soupape. La forme conique du diaphragme (10) réduit le déplacement axial du dispositif d'alimentation (3) nécessaire à l'ouverture de la soupape.
Nicoll Roy
Seddon Mark Arthur
Macrae & Co.
The Gillette Company
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