CPC B41J 2/17556 (2013.01) [B41J 2/17513 (2013.01); B41J 2/17523 (2013.01); B41J 2/17553 (2013.01); B41J 2002/17516 (2013.01); B41J 2/17526 (2013.01); B41J 2/17563 (2013.01)] | 9 Claims |
1. A unified bulk ink cartridge (1) comprising:
(a) a housing (2) acting as an outer protective cover of said cartridge (1);
(b) at least one bulk ink bag (4) filled with printing ink;
(c) at least one jet plate (7) mounted over said housing (2) for delivering said printing ink;
(d) at least one fluid regulator (3) to regulate flow of printing ink;
(e) at least one ink chamber (6); and
(f) a plurality of interconnecting tubes (5, 8);
wherein,
said at least one bulk ink bag (4) is located inside said housing (2) and inflates/deflates with a minimum force for printing;
said at least one fluid regulator (3) is located inside said housing (2) for maintaining flow of said printing ink as well as an optimum value of negative pressure in the range of 15-25 mm of H2O to prevent drooling of said printing ink through a plurality of nozzles;
said at least one ink chamber (6) integrated with said jet plate (7) is having a rigid structure to bear pressure from said jet plate (7) and makes said cartridge (1) adaptable for use in horizontal (side on) and vertical (top down) position; and
said plurality of interconnecting tubes (5, 8) are flexible to accommodate inside said housing (2) and maintain air tight contacts to prevent inrush of air from atmosphere for avoiding air bubbles.
|