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AssigneeRicoh Company, Ltd.
InventorsYoshihiro Norikane, Yohichiroh Watanabe, Masaru Ohgaki, Shinji Aoki, Yasutada Shitara, Andrew Mwaniki Mulwa
Estimating the term…
A method of manufacturing a toner including supplying a fluid containing a resin and a coloring agent to a retaining member including a film having multiple discharge orifices, discharging droplets of the fluid from the multiple discharge orifices at a speed of from 2 to 4 m/s by applying a pulse voltage having a trapezoid waveform to a piezoelectric body having a surface provided substantially parallel to the film to move the surface in a direction away from the film relative to a reference position of the surface followed by holding the surface there for a predetermined time, and bringing the surface back to the reference position; and solidifying droplets of the fluid discharged from the multiple discharge orifices to form mother particles.
A method of manufacturing a toner comprising:
A method of manufacturing a toner comprising:
Dependencies are inferred from the claim text.
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From the US filing history. Foreign family members aren’t listed.
No references of this kind are recorded.
Preparation methods: whereby the components are brought together in a liquid dispersing medium
With toner particles: characterised by the dimensions of the particles
Electrography
About 4 years 8 months of term left · ends 16 Jun 2031 (estimated)
1. Field of the Invention
The present invention relates to a method of manufacturing a toner.
2. Discussion of the Background
Various other objects, features and attendant advantages of the present invention will be more fully appreciated as the same becomes better understood from the detailed description when considered in connection with the accompanying drawings in which like reference characters designate like corresponding parts throughout and wherein:
FIG. 1 is a diagram illustrating an example of a device for manufacturing a toner for use in the present invention;
FIGS. 2A and 2B are exploded perspective and lateral cross-sectional diagrams, respectively, illustrating a droplet discharging unit of FIG. 1;
The present invention will be described below in detail with reference to several embodiments and accompanying drawings.
FIG. 1 is a diagram illustrating an example of the toner manufacturing device for use in the present invention.
A toner manufacturing device 100 includes a droplet discharging unit 110, a drying tower 120, a collection unit 130, a retainer 140 and a supplying unit 150. The droplet discharging unit 110 discharges toner liquid material (fluid) in which a toner material containing a resin and a coloring agent is dissolved or dispersed in an organic solvent. The drying tower 120 is arranged below the droplet discharging unit 110 and dries droplets L discharged from the droplet discharging unit 110 with a drying gas G to form mother particles T. The collection unit 130 collects the mother particles T. The retainer 140 retains the mother particles T collected in the collection unit 130. The supplying unit 150 supplies the toner liquid material to the droplet discharging unit 110.