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Powder filling method and developer replenishing method
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A filling method and developer technology, applied in electrography, optics, instruments, etc.
Inactive Publication Date: 2010-04-14
RICOH KK
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Also, powder containers have the problem of having an area containing only the powder of the highest specific gravity, and are not limited to powder containers used in imaging devices
Likewise, the powder container containing two kinds of powders with different specific gravity is described above, but the number of powder types with different specific gravity is not limited to two, therefore, even if there are three or more kinds of powder, the same problem will arise, that is, in the powder An area within the container will create only the powder with the highest specific gravity
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example 1
[0133] Next, a first example (hereinafter referred to as "Example 1") of the powder filling method of the present invention will be described, in which Figure 8 The powder filling device 600 shown in is used to fill the toner bottle 120 as a powder container with toner and carrier.
[0134] Reference attached Figures 9A to 9D The powder filling method of Example 1 is described.
[0135] The powder filling method of Example 1 was carried out according to the following procedures (1) to (4).
[0136] (1) The air supply device 613 is used to send air into the toner To contained in the Figure 8 The shown toner is filled into the toner storage portion 615 in the device 610, while air is introduced into the particles of the toner To to increase the volume of the toner To, thus achieving high toner fluidity.
[0137] (2) if Figure 9A As shown, toner To with air is filled into toner bottle 120 from toner filling nozzle 614 .
[0138] (3) if Figure 9B As shown, after the fil...
example 2
[0144] Next, a second example (hereinafter referred to as Example 2) of the powder filling method of the present invention is described, wherein Figure 8 The powder filling device 600 shown in is used to fill the toner bottle 120 as a powder container with toner and carrier.
[0145] Reference attached Figures 10A to 10D The powder filling method of Example 2 is described.
[0146] The powder filling method of Example 2 was carried out according to the following procedures (1) to (4).
[0147] (1) The air supply device 613 is used to send air into the toner To contained in the Figure 8 In the shown toner storage portion 615 in the toner filling device 610, air is introduced into the particles of the toner To to increase the volume of the toner To, thus achieving high toner fluidity.
[0148] (2) if Figure 10A As shown, toner To with air is filled into toner bottle 120 from toner filling nozzle 614 .
[0149] (3) if Figure 10B As shown, in filling the toner To, the c...
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Abstract
A powder filling method, which fills at least two kinds of powders with different specific gravities into a powder container, and by which a region having only a powder with the highest specific gravity out of the at least two kinds of powders is prevented from being generated in the filled powder container. A toner, which is a first powder that does not include a carrier having the highest specific gravity, is mixed with air in a toner storage portion. The air is introduced into the toner particles to increase the bulk of the toner, and then a toner filling device fills a toner bottle servingas the powder container with the toner having the air. Upon completion of such filling, a carrier filling device starts filling the carrier, which is a second powder, into the toner bottle. Filling ofthe carrier is completed before the air is released from the toner particles contained in the toner bottle and thereby the bulk of the toner is reduced and then stabilized.
Description
technical field [0001] The present invention relates to a powder filling method for filling at least two powders of different specific gravity into a powder container, a powder container filled with the powder filled by the powder filling method, a developer replenishment having a powder container device and an imaging device. Furthermore, the present invention relates to a developer replenishing device using a powder container, and a method for manufacturing a powder container filled with powder. Background technique [0002] As a powder container for accommodating powder, the powder container has a volume-reduced powder container and a powder discharge port that discharges the powder to the outside by negative pressure acting on the powder. Such powder containers are used in various technical fields. For example, in the field of image forming apparatuses, a powder container disclosed in Japanese Published Unexamined Patent Application No. 2004-323062 (hereinafter referre...
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Application Information
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