JPS60232578A - Container for granule supplementation - Google Patents

Abstract

PURPOSE:To manage with only one kind of container even when the granule storage capacity is different, and prevent a periphery from being stained by forming a container main body which contains granules of an elastic material capable of expanding and contracting, and providing a closing member which closes the opening after granules are pressurized and contained. CONSTITUTION:The main body part 16 of the container 15 for supplementation is formed in a balloon shape of the elastic material capable of expanding and contracting such as rubber. Then, an external screw 17 for connecting with the toner supplementary port 12 of a machine box 13 is cut in the outer periphery of a funnel-shaped connection part 18, which is fitted to the entrance 16A of the container main body part 16; and the tape type closing member 19 which clamps the mouth of the container main body part 16 is provided. Toner is put in the container main body part 16' through the connection port 18 while proper air pressure is applied, and the main body part 16 expands with the pressure and is filled with a necessary amount of toner. Then, the month of the main body part 16 is narrowed down and closed with the tape type closing member 19 and thus the toner 20 is enclosed in the container main body part 16 which swells in the balloon shape.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to powder toner used for supplying powdered toner directly to a developing unit of an electronic copying machine or to a hopper attached to the developing unit, for example. This invention relates to a container for supplying granules.

[Conventional technology]

Conventionally, bags, ψ bottles, and the like have been commonly used as containers of this type. There is also a cylindrical container that has an opening in the generatrix direction, and toner is replenished while peeling off a seal covering the opening.

[Problem that the invention seeks to solve]

However, since each of the above-mentioned containers has a constant capacity, containers of various sizes must be prepared in advance in order to meet the various required storage capacities.

Furthermore, when the mouth of the container is placed against a developing device or its hopper, toner may scatter and stain the surroundings and hands, and toner may remain inside the container.

Furthermore, high-speed electronic copying machines consume a large amount of toner due to the large number of copies they make, resulting in a large number of empty replenishment containers, which are difficult to dispose of if they are bottles or hard case type containers.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems in conventional replenishment containers for powder and granular materials such as developing toner for electronic copying machines.

[Means for solving problems]

The present invention is characterized in that the main body of the container for accommodating the granular material is made of an elastic material capable of expansion and contraction, and is provided with a closing member that closes the opening after the granular material is contained under pressure.

〔Example〕

DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of an example in which the present invention is implemented in a developing toner supply container for an electronic copying machine will be described below with reference to the drawings.

FIG. 1 is a side view showing the schematic structure of a copying machine, in which 1 is a photosensitive drum, 2 is a latent image forming section including an original placing section and an optical system,
3 is a developing device, 4 is a toner hopper connected to the developing device 3, and 5 is a toner hopper connected to the developing device 3.
1 is a transfer paper cassette, 6 is a paper feed roller, 7 is a transfer and paper separation section, 8 is a paper transport section, 9 is a fixing section, IO is a paper discharge tray, and 11 is a drum cleaning section.

A toner supply port 12 of the toner hopper 4 is open on the top surface of the machine box 13. A removable lid 14 for closing the mouth 12 is provided. Remove this lid 14 and open the mouth 12.
The replenishment container 15 according to the present invention containing toner is installed upside down.

As shown in FIG. 2, the supply container 15 of the present invention has a main body 1.
The balloon 6 is made of an elastic material such as rubber that can be expanded and contracted. and the inlet 16A of the container body 16.
A funnel-shaped connection port 18 having a male thread 17 formed on the outer periphery for connection to the toner supply port 12 of the machine case 13 is integrally attached to the toner supply port 12 . A tape-shaped closing member 19 is provided for tightly binding the opening of the container body 16.

[Effect]

The container body 16 is initially deflated as shown by the chain line 16. Toner is introduced into the deflated main body part 16' through the connection port 18 while applying appropriate air pressure, and the main body part 16 expands due to the pressure, forming a tape-like shape that can fill the required amount of toner. The closing member 19 closes the opening of the main body 16, and the toner 20 is sealed in the container main body 16 which is inflated like a balloon as shown by the solid line in FIG. The container 15 containing the toner 20 is supplied in this state.

The toner replenishment container 15 is attached by screwing its connection port 18 into the toner replenishment port 12 of the hopper 4 with the lid removed, as shown in FIG. 3, and the closing member 19 is removed. The toner 20 inside is pushed out by the enclosed pressure and the contraction of the main body 16, and the toner 20 is pushed out from the opening 18.
- Hopper 4 is replenished via 12. Finally, the main body 16 deflates as shown in FIG. 4, and all of the toner 20 is discharged. The empty container 15 is the toner supply port 12
The chain 12 is closed with a lid 14 (shown in the first diagram).

Although the embodiment has been described as being applied to a container for replenishing developing toner of an electronic copying machine, it is of course possible to apply the present invention to a container for replenishing other powder or granular materials.

〔Effect of the invention〕

As described above, in the container for replenishing powder and granular material of the present invention, since the container main body 16 for accommodating the powder and granular material 20 is formed of an elastic material that can expand and contract, the powder and granular material is It is possible to easily set the volume of the main body part 16 commensurate with the required storage capacity of the container, and one type of container can suffice even if the powder storage capacity differs.

Since the container main body part 16 is provided with a closing member 19 that closes the opening 16A after the powder and granular material is accommodated under pressure, the powder and granular material 2
By opening the closing member 19 after attaching the opening of the container 15 containing 0 to the replenishing part, the powder and granules do not fly up, and the surrounding area can be prevented from being contaminated.

The powder and granular material 20 is then compressed into the container body 16.
6 is quickly discharged due to the contraction of body part 16.
After the powder and granules are discharged, the main body 16 shrinks, reducing the bulk of the container 15, so there is no need for space to dispose of or store empty containers after replenishment. .

[Brief explanation of the drawing]

FIG. 1 is a vertical cross-sectional view showing the schematic structure of an electronic copying machine to which the container of the present invention is applied, FIG. 2 is a perspective view of the container of the present invention, FIG. 3 is a vertical cross-sectional view showing its replenishment state, and FIG. FIG. 3 is a vertical cross-sectional view showing a fully replenished state. 15 is a container for supplying powder and granular material, 16 is a container main body, 18 is a connection port, 19 is a closing member, and 2o is a powder and granular material. Figure 3 Figure 4 Figure 2

Claims (1)

[Claims] (1) Powder and granular material replenishment characterized in that the main body of the container for accommodating the granular material is made of an elastic material that can expand and contract, and is provided with a closing member that closes the opening after pressurizing and accommodating the powder and granular material. container.