Method and apparatus for refilling a print cartridge having a sp

Details Method and apparatus for refilling a print cartridge having a sp Method and apparatus for refilling a print cartridge having a sp

1994-10-31

1997-09-30

Le, N.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

B41J 217

Patent

active

056730721

ABSTRACT:
A cylinder and piston containing refill ink for refilling print cartridges having a spherical stopper. A stopper remover engages the spherical stopper and dislocates it with respect to the print cartridge. Refill ink is thereafter transferred from the cylinder into the reservoir of the print cartridge. The spherical stopper is withdrawn and a replacement spherical stopper seated.

REFERENCES:
patent: 4548020 (1985-10-01), Rozmus et al.
patent: 4597245 (1986-07-01), Parker
patent: 4750532 (1988-06-01), Grothoff
patent: 4967207 (1990-10-01), Ruder
patent: 4968998 (1990-11-01), Allen
patent: 5400573 (1995-03-01), Crystal et al.
patent: 5488400 (1996-01-01), Crystal et al.

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