Patent ID: 11969990
Assignee: BROTHER KOGYO KABUSHIKI KAISHA
Field: Basic materials chemistry (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 18:
19. An ink discharging apparatus comprising:
a conveyor configured to convey a recording medium in a conveying direction;
a head configured to discharge the water-based ink for recording onto the recording medium conveyed by the conveyor; and
a heater which is located at downstream in the conveying direction of the head, and which is configured to heat the recording medium or the water-based ink for recording adhered to the recording medium,
wherein the water-based ink for recording includes:
a resin-dispersed pigment,
resin fine particles of which glass transition temperature s not less than 33° C.,
water, and
an organic solvent including a specific organic solvent of which saturation vapor pressure at 20° C. is not less than 0.03 hPa, and

the ink discharging apparatus satisfies the following condition (I):, 6
      ≤
      
       
        (
        
         β
         /
         α
        
        )
       
       ×
       1000
      
      ≤
      31
     
     ,
    
   
   
    
     condition
     ⁢
        
     
      (
      I
      )
     
    
   
  
 

in the condition (I),
α (° C.) being the glass transition temperature of the resin fine particles, and
β (J/cm2) being an irradiation energy, radiated from the heater, per unit area of the recording medium;
wherein at a facing position at which the recording medium faces the heater, the conveying direction of the recording medium is a first direction; and
an irradiation length, of the heater, along a second direction which is orthogonal to the first direction is not more than 21 cm.