Back to results
US 9,039,136 B2Granted
Waste ink absorber, waste ink tank, liquid droplet ejection device
AssigneeSeiko Epson Corporation
InventorsHidehiro Takano, Toshiaki Yamagami, Shunichi Seki
Life of this patent
Estimating the term…
Abstract
A waste ink absorber for absorbing waste ink discharged from a head for ejecting ink includes layers the same in density and different in flame retardant content ratio, which are stacked.
Claims8
A waste ink absorber for absorbing waste ink discharged from a head for ejecting ink, comprising:
- a plurality of layers each of which includes flame retardant, each of the layers having the same in density, the layers being stacked and having a first layer and a second layer that are stacked on top of each other, the first layer having a content ratio of the flame retardant different from a content ratio of the flame retardant that the second layer has.
Dependencies are inferred from the claim text.