B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
101/96.0218
B41J 2/04 (2006.01) B41J 2/005 (2006.01)
Patent
CA 1173098
ABSTRACT JET PRINTING APPARATUS AND METHOD A jet printing apparatus is shown having a reservoir (13) for storing printing medium. A perforate member (37) having at least one surface (39) which is exposed to the printing medium in the reservoir with the ink entering the perforations (41). A drive motor (29) effects relative movement of the perforate member (37) past a printing station (45) having a fluid jet (47) with a plurality of nozzles (49). Electrically controlled valves (53) selectively supply air to the nozzles (49) to eject printing medium from the perforate member (37) onto a printing substrate. In one embodiment, the perforate member (37) is a cylindrical mask having spaced columns of perforations (41) which are successively aligned with the fluid jet nozzles (49) at the printing station (45). In another embodiment, a mesh belt (71) having perforations (73) is moved between the fluid jet nozzles (91) and an orifice plate (103) which has orifices (105) aligned with the nozzles (91) of the fluid jet (87). Air from selected nozzles (91) ejects ink from the perforations (73) through an aligned orifice (105) opening onto the printing substrate.
372951
Fetherstonhaugh & Co.
Willett International Limited
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