DISPENSE-END SEAL FOR TONER CONTAINERS Russian patent published in 2018 - IPC B41J35/00 

FIELD: electrostatographic printing; electrophotography; magnetography.

SUBSTANCE: seal assembly can include an outer retainer ring having a non-adhesive carrier, a first adhesive layer on a surface of the non-adhesive carrier, and a first opening through the outer retainer ring. Seal assembly can further include a foam ring having a second opening therethrough, wherein the foam ring is attached to the outer retainer ring with the first adhesive, and a double-sided adhesive attached to the foam ring. Seal assembly may further include a solid foam disc having a first slit therethrough and a second slit therethrough, wherein the first slit is perpendicular to the second slit and the solid foam disc is attached to the foam ring by the double-sided adhesive layer.

EFFECT: disclosed is a toner container assembly comprising a seal assembly.

15 cl, 6 dwg