Ink containment system including a plural-walled bag formed of i

Details Ink containment system including a plural-walled bag formed of i Ink containment system including a plural-walled bag formed of i

1997-06-05

2000-12-12

Le, N.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

B41J 2175

Patent

active

061588539

ABSTRACT:
The invented containment system provides a double-walled, or nested bag, configuration in which ink or liquid toner is contained within the sealed inner bag and the inner bag is contained, in turn, within a sealed outer bag. An inlet/outlet port is provided for the introduction and extraction of ink into and out of the interior volume formed by the nested bags. In one embodiment, the sidewalls are formed separately and their peripheral edges are staked to either side of an annular frame member formed integrally with the inlet/outlet port. In another embodiment, the sidewalls are sealingly joined directly to one another along their peripheries. Preferably, the inner bag or liner is a flexible mono polymer film or co-extrusion thereof that is ink-impermeable and the outer bag or liner is a flexible laminar structure including metallized polymer layers adhered to one another.

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