Ink reservoir
AssigneeCanon Kabushiki Kaisha
InventorsTakashi Fukushima, Toshihiko Ujita, Akihiko Shimomura
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Abstract
An ink reservoir capable of retaining ink includes a case having a polypropylene, and a fibrous absorber contained in the case, the fibrous absorber having an aggregate of fiber with a double-layer structure including a core and a sheath, the sheath being fused at intersections of fiber loops. The core has a polypropylene homopolymer having a melting point of 140° C. or more, and the sheath has an ethylene-propylene random copolymer having a melting point of less than 140° C. and a melt mass-flow rate of 7 g/10 min or more as measured at 230° C. and a load of 2.16 kg according to JIS K 7210.
Claims4
An ink reservoir capable of retaining ink, comprising:
- a case comprising a polypropylene;
- and
- a fibrous absorber contained in the case, the fibrous absorber comprising an aggregate of fiber having a double-layer structure including a core and a sheath, the sheath being fused at intersections of fiber loops,
- wherein the core comprises a polypropylene homopolymer having a melting point of 140° C. or more, and the sheath comprises an ethylene-propylene random copolymer having a melting point of less than 140° C. and a melt mass-flow rate of 7 g/10 min or more as measured at 230° C. and a load of 2.16 kg according to JIS K 7210.
Dependencies are inferred from the claim text.