Patent ID: 6243117
Filing Date: 2001-06-05
Classification: B41J

Abstract:
A method of making a cartridge for an ink jet-printer, said cartridge having an ink reservoir therein, said method comprising:forming, by a single plastic injection molding step, a rigid monolithic frame havingan interior surface facing an opening extending through the frame from a first side to a second side, said interior surface comprising a peripheral wall of the ink reservoir when said opening is closed,an exterior surface which comprises a peripheral exterior surface of the cartridge, and,first and second bonding surfaces spaced from each other and surrounding said opening, said first and second bonding surfaces facing said first and second sides, respectively;applying an adhesive bonding material to said first and second bonding surfaces; and,securing first and second flexible films to said first and second bonding surfaces, respectively, with said adhesive bonding material to thereby close said opening.