JP2688321B2 - Development processing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a developing device used for developing a medical, industrial or general-purpose photosensitive film or photographic paper.

[0002]

2. Description of the Related Art In developing a photosensitive film photographed in a dental clinic or a laboratory, a developing solution (a developing solution, a fixing solution, a developing-fixing solution, etc.) is usually stored in a predetermined processing container. ) Is separately stored, a photosensitive film (hereinafter referred to as a film) is immersed in the film to develop the film, and then the film is transported in the air and fixed in the next processing container.
Further, when the processing amount and the processing frequency are high, a method of storing the processing liquid in a solution tank having a relatively large capacity provided with a transporting means such as a transfer roller and performing the development processing by continuously passing through the film is a method. Has been taken. Further, the processing solution whose characteristics have deteriorated due to repeated development processing is subjected to dilution and neutralization processing in accordance with relevant regulations, and then discarded.

By the way, in general, a container or a solution tank for containing a processing solution is opened to the atmosphere for loading and unloading the film, so that the characteristics of the contained processing solution are deteriorated by repeated use. At the same time, it deteriorates with time due to oxidation on the liquid surface. Furthermore, the processing liquid attached around the liquid surface of the processing equipment such as the transfer roller is dried and solidified or crystallized to become a factor for damaging the processing film. Therefore, in the conventional development processing method in which the photosensitive film is immersed in or passed through the container or the solution tank containing the processing liquid, in order to continue the stable development processing, the characteristic change of the processing liquid is continuously managed. Timely replenishment or replacement and frequent cleaning around the liquid surface of the processing equipment are required to remove the dried solidified product and crystallized product of the processing liquid.

However, since the management of these processing liquids and equipment is relatively complicated, in reality, the time for replenishment / replacement of processing liquids and equipment cleaning is lost, and valuable images become unclear or damaged. It often causes the problem of In addition, the treatment liquid that has reached the time of replacement must be subjected to dilution and neutralization treatment in accordance with relevant laws and regulations, and then discarded. The larger the amount used, the greater the waste liquid treatment cost and labor. There has been a demand for a development processing apparatus which can perform stable development processing with a smaller amount of processing liquid, can eliminate or reduce cleaning of processing equipment, and has a compact structure.

The inventors of the present invention have been enthusiastically working on improvement studies to meet the above-mentioned demand.
Prior to the present application, a development processing apparatus was proposed that can achieve stable development processing with an extremely small amount of processing solution and eliminate the need for complicated processing solution replenishment / replacement management and equipment cleaning (Japanese Patent Application No. 4-1721). No.) The development processing device of this prior application is a schematic explanatory view of a second embodiment of FIG. 4 and FIG.
As shown in Fig. (a), it has flat liquid chambers (43) and (53).
In addition, slit film entrances (44), (54) in front of and behind it
The treatment vessels (42) and (52) provided with are immersed in the fresh water (W) in the water tanks (41) and (51), and the treatment liquid is placed in the liquid chambers (43) and (53). The film is fed, reciprocally moved in the lateral direction, and uniformly contacted with the passing film (F) for the development processing.
As a result, stable development processing can be achieved with a very small amount of processing solution, and complicated processing solution replenishment / replacement management and equipment cleaning can be eliminated, and waste solution processing can be easily performed. .

[0006]

By the way, when a processing container having a film inlet / outlet is immersed in water, water pressure can be suppressed to some extent by water pressure balance, but water may enter the liquid chamber through the film inlet / outlet or the liquid chamber may be suppressed. The processing liquid easily leaks from the tank. In order to prevent this, in the developing apparatus shown in FIG. 4 of the above-mentioned prior application, the film inlet / outlet (44) of the processing container (42) is made up of a soft elastic material as shown in FIG. Liquid is sealed by a pair of seal packings (45). In the development processing device shown in FIG.
(b) As shown in the figure, two pairs of rotating rollers (55), (5) made of elastic material are provided at the front and rear film entrances (54) of the processing container (52).
5 ') are placed close to each other, and their rotating rollers (55), (55')
The space between the processing container (52) and the processing container (52) is liquid-sealed by a rubber packing (56) fitted to the end surface of the processing container (52). That is, the rotating rollers (55) and (55 ') for transferring the film (F) are installed in the processing container.
The liquid chamber (53) of the processing container (52) by forming one component of the (52)
Is liquid sealed.

However, when the development processing apparatus of this prior application was examined in more detail, it was found that the following points remained as problems to be improved. That is, in the liquid sealing configuration of the former processing container, since the film is transferred between the upper and lower seal packings, even if the seal packing is made of a soft elastic material, by sliding with the seal packing, There is a risk of scratches on the drug layer on the surface of the film, which is a problem to be avoided when particularly fine and clear images are required. Further, in the latter liquid-sealing configuration of the processing container, since the film is transferred by a rotary motion without sliding by two pairs of front and rear rotary rollers, the risk of scratches on the film surface can be avoided, Since the liquid seal of the liquid chamber is maintained by a pair of rotating rollers that rotate in contact with the rubber packing, the sliding resistance between the two increases the power required to drive and rotate the rotating rollers. In particular, in a development processing device in which a plurality of processing containers are arranged, an increase in power consumption due to the sliding resistance of each rotating roller is a loss that cannot be ignored. Further, the rubber packing and the rotating roller are also worn due to sliding, which causes a problem that the frequency of maintenance and inspection increases.

Further, in the developing processing apparatus of this prior application, the processing liquid is fed into the liquid chamber of the processing container to reciprocally flow in the lateral direction and uniformly contact the passing film, so that a very small amount of processing is carried out. Although the excellent effect that a stable development process can be achieved with a solution, the contact speed between the processing solution and the film is unavoidably caused when the flow direction of the processing solution is reversed inevitably when the flow of the solution is stopped. That is, there is a certain limit in the stirring speed, which is a kind of limiting factor when trying to achieve a faster developing process.

Therefore, according to the present invention , the liquid chamber of the processing container is passed through.
Contact speed (stirring speed) of the processing liquid to the passing film
It is stable and even with a very small amount of processing liquid.
The development process can be accomplished more quickly and the consumption required for its operation
It is an object of the present invention to provide a development processing apparatus capable of suppressing power consumption to a low level .

[0010]

In order to achieve the above object, the present invention has the following arrangement. That is, the development processing apparatuses according to claim 1 of the present invention are arranged in parallel.
A pair of supporting lifting end plates, bullet before and after the transport direction of the film
Two pairs of rotating rollers having a peripheral surface made of a conductive material are arranged at a predetermined small interval, and the bullets rollingly contacting the outer circumferences of the front and rear rotating rollers on the upper and lower sides between these two pairs of rotating rollers.
Two seal rollers having a peripheral surface made of a conductive material are provided.
These two pairs of rotating rollers, two sealing rollers and one
It is surrounded by a pair of support end plates and is installed on this pair of support end plates.
Of a small volume of processing liquid
Development process in which a processing container having a liquid chamber is arranged in a water tank
In the processing device, the rotary roller and the seal roller are
Between each end face and the supporting end plate, a system consisting of a low friction member
Via a rotary ring into the liquid chamber of the processing container.
Roller and the seal roller are not in contact and a pair of rotations
The slits are opened by directing between the rolling contact surfaces of the rolling rollers.
And the liquid supply / drain port provided on the pair of support end plates.
Film guide and liquid flow having flat liquid flow holes communicating with each other
It is characterized by an internal gearbox .

A development processing apparatus according to claim 2 of the present invention.
In the development processing apparatus according to claim 1, the device is the above-mentioned one pair.
Between the support end plates of the front and rear of the film transfer direction,
In addition, multiple processing vessels are arranged in a U-shape with a low front-to-back position.
Rotate back and forth on the upper side of each processing container while lining up
Rotate the outer diameter of the roller and seal roller to the lower front and back
The diameter is smaller than the outer diameter of the roller and seal roller.
It is characterized by.

Further, a development processing apparatus according to claim 3 of the present invention.
In the developing processing apparatus according to claim 1 or 2,
The liquid supply and drain ports on both sides of the processing container are circulated through a pair of pipes.
Connected to a ring pump and either of its pair of lines
It is characterized in that a degassing tank is provided in the pipe line.

A development processing apparatus according to claim 4 of the present invention.
In the developing processing apparatus according to claim 3, the device is the degassing device.
A cathode plate for electrodepositing silver ions was installed inside the tank.
It is characterized by .

[0014]

According to the developing processing apparatus of the first aspect of the present invention.
For example, two pairs of front and rear rotating rollers and these two pairs of rotating rollers
Between the two seal rollers on the upper and lower sides of the
Defined by a pair of support end plates on either side of the roller
A processing container with a small-volume liquid chamber inside is placed in the water tank.
The outer surface of each roller is made of elastic material.
Prevents water from entering, and its processing container
In the liquid chamber of the
In the range where the treatment liquid can be laterally flowed by
Film guide and liquid that can reduce the internal volume by narrowing the cross-sectional area
Since the flow speed increasing device is installed inside, this liquid chamber is filled.
The processing solution required for the
The flow velocity in the direction can be easily increased and thus passes through
Increase the contact speed (stirring speed) of the processing liquid to the film
Quick and stable development process with a small amount of processing solution.
Can be achieved. Also, one pair with each roller end face
Of the low friction member interposed between the support end plate of the
With allowing liquid seal of the liquid chamber by Luling, each row
Between the rolling contact resistance of the la and the seal ring and the pair of support end plates
Rotate with a driving force that overcomes the sum of sliding resistance
The rollers can be rotated.

According to the development processing apparatus of the second aspect of the present invention.
Then, in addition to the operation of the developing processing apparatus according to claim 1,
Between the pair of support end plates, the front and rear of the film transfer direction
Multiple processing capacity in U-shape with high and low front and back
Since the containers are arranged, the film can be transferred in a U shape.
Can be processed continuously, that is, the film can be loaded from above.
・ It can be sent out, so that it can be used for long films.
It is easy to handle even if the
Shortening the length to make the overall configuration more compact
it can. Furthermore, before and after the upper side of the processing container
Set the outer diameter of the rotating roller and the seal roller to the lower side.
Smaller than the outer diameter of the rotating roller and seal roller before and after
Since the diameter is the same, the film entry / exit of each processing container is slanted.
Orient it upwards and make a U-shaped array and
The transfer of the film can be made easy and stable
You.

According to the developing apparatus of claim 3 of the present invention,
If so, the operation of the developing processing apparatus according to claim 1 or 2 is added.
In addition, connect the supply and drain ports on both sides of the processing container through a pair of pipe lines.
Since it is connected to the liquid circulation pump,
A closed circuit consisting of a channel and a liquid circulation pump is formed.
Circulates a constant and small amount of processing liquid into the processing chamber.
Then, it is made to flow in the lateral direction, and it is possible to
Development processing can be performed. In addition, which of the pair of pipes
Since the deaeration tank is installed in one of the conduits, close it.
Inevitably when filling or supplying the processing liquid to the circuit
The mixed air can be discharged, and the liquid chamber of the processing container can be discharged.
Air bubbles are generated in the processing liquid that is circulated and fed at high speed.
It is possible to prevent the development processing accuracy from being lowered.

According to a fourth aspect of the present invention, there is provided a developing processing apparatus.
If so, a cathode plate for electrodepositing silver ions is placed in the degassing tank.
As a result, the cathode plate was filled with ions from the film.
It can be recovered by electrodeposition of the silver which is converted and eluted.

The above processing solutions are a developing solution and a fixing solution.
Solutions, developing and fixing solutions, color developing solutions, post-processing solutions, etc.
A solution used for image processing and fresh water for washing.

[0019]

Embodiments of the present invention will be described below with reference to the drawings.
I will tell. FIG. 1 is a development processing apparatus according to the first embodiment of the present invention.
FIG. 2 (a) is a drawing showing a schematic configuration of FIG.
And (b) is a sectional view taken along line AA in (a).

In FIG . 1, (1) is a water tank,
This aquarium (1) is a cubic open-top basin, shown here.
Water supply port (1a) connected to the water supply means omitting the
The drainage port (1b) that forms a surface and the side part on the drainage port (1b) side
And a drainage reservoir (1c) provided in the. Also in that
A heater (1d) for adjusting the water temperature is arranged at the bottom .
(2) is a processing container, and this processing container (2) is
2 pairs of rotating rollers (3), (3 ') for transferring
These two pairs of rotating rollers (3),
The front and rear rotating rollers (3) and (3 ') on both sides of (3')
Two upper and lower seal rollers that rotate in contact with their outer circumference,
While arranging (4 '), a pair of square plates is
Supporting end plates (5) and (5 ') of the
(3), (3 ') and two seal rollers (4), (4') and support on both sides
Small volume liquid chamber inside defined by end plates (5), (5 ')
It is supposed to form (2a). Also, support on both sides
Hold the end plates (5) and (5 ') as shown in Fig. (B).
Liquid supply / drainage ports (5a), (5a ') communicating with (2a) are provided. Ma
Rotating rollers (3), (3 ') and sealing rollers (4), (4')
Is made by shrink-fitting the rubber body on the central shaft made of metal.
It is a flat roller .

The front and rear of the liquid chamber (2a) are slid.
Supply and drain of support end plates (5) and (5 ') on both sides while opening
It has a flat liquid flow hole (6a) communicating with the mouths (5a) and (5a ').
The film guide and liquid flow speed increasing device (6) supports the end plates (5),
Connected and supported by (5 '), rotating rollers (3), (3') and
The rollers (4) and (4 ') are arranged in non-contact with each other. What
This film guide and liquid flow speed increaser (6) is extruded.
Made of polyvinyl chloride resin
On the surface, the rotation roller (3), (3 ') and the seal roller (4), (4')
An arcuate recess along the outer diameter is formed in the lateral direction without contact.
ing.

Further , the rotary rollers (3), (3 ') and the seal roller
(4), (4 ') are the support end plates on both sides with their both end shafts
(5), through the (5 ') to protrude laterally, the support end plate (5),
It is rotatably supported by (5 '). Moreover, those rollers
Between the both end surfaces of the body of the and the inner surface of the support end plates (5), (5 '),
(b) As shown in the figure, it has the same outer diameter as those rollers,
Laminate a Teflon sheet with a low friction coefficient and a silicone rubber plate.
A layered flat annular seal ring (7) is
This seal ring (7) allows each roller and support end plate (5),
It is liquid-sealed with (5 ') with a small sliding resistance.
Also, the support end plates (5), (5 ') on both sides are arranged at the four corners.
Connected in parallel with each other by connecting rods (5b).
The support end plates (5), (5 ') and each roller are assembled together.
Have been.

[0023]And this processing vessel (2) is
The roller (4) is slightly lower than the regulated water level in the aquarium (1).
Fresh water (W) supplied to the water tank (1) at a high position
It is placed so that it is completely immersed in the
As shown, the supply and drain ports (5a) and (5a ') on both sides of the
Connect the centrifugal type liquid circulation pump (10) through (8) and (8 ').
The liquid chamber (2a), the liquid pipes (8), (8 '), and the liquid circulation pump (10)
Is formed into a closed circuit. Also, liquid circulation pump
In (10), the processing liquid (L) is replenished in a closed circuit connected to it.
Liquid drip injection pipe (10a) for initial filling, liquid for initial filling
Supply pipe (10b) and drain pipe (10b)
c) is connected. On the other hand, with the drainage side from the liquid chamber (2a)
On the other hand, a small degassing tank (9) is installed in the liquid pipe (8 ').
ing. Furthermore, the water in the deaeration pipe (9a) provided in the deaeration tank (9)
A liquid overflow pipe (9b) is diverged at the site located on the surface.
is there. The liquid overflow pipe (9b) is not shown here.
It communicates with the drainage reservoir (1c) of the water tank (1) through the transparent liquid supply pipe.
Have been.

On the other hand, (11) is a drive spur gear,
The drive spur gear (11) is on the supporting end plates (5), (5 ') of the processing vessel (2).
It is rotatably supported by the gantry (16) arranged at. Ma
In addition, the drive spur gear (11) is mounted on the frame (16).
Pinion teeth attached to the output shaft of the speed motor (15)
It is meshed with the car (14).

On the other hand, the processing container (2) was made to project to one side.
Two pairs of front and rear rotating rollers (3) and (3 ') are attached to the end shafts.
It is explanatory drawing of the drive system of a present Example apparatus (a) figure of FIG.
As shown in, the pair of rotating rollers (3), (3 ') mesh with each other.
Spur gears (12) that rotate each other synchronously are attached and also
The two spur gears (12) located in the upper part of the
It is meshed with the spur gear (11). Furthermore, it is projected to the other side.
One of the end shafts of two pairs of front and rear rotating rollers (3), (3 ')
On one side and the end shaft of each of the seal rollers (4), (4 '),
As shown in Figure (b), the flat gears mesh with each other and rotate synchronously.
Gear (13) is attached. In the device of this embodiment,
Each roller of the processing container (2) is moved under the dynamic system (a) of [Fig. 1].
Rotate synchronously in the direction indicated by the arrow in the figure,
Transfer the film (F) while keeping the liquid seal in the chamber (2a).
Pass through the liquid chamber (2a). Also, the treatment container of the aquarium (1)
Teflon coating is applied to the parts located before and after (2).
Multiple stainless steel wires from above and below the regulated water surface
Oriented between two pairs of rotating rollers (3), (3 ') in front of and behind the processing container (2)
A film film that is arranged parallel to the width direction
A film (F) that has an id (17) and is developed
Are loaded and delivered along this film guide (17).
You.

A development processing apparatus of the present embodiment having the above structure
The developing process of the film by the storage is performed as follows.
First, continuously supply fresh water (W) into the water tank (1) to treat the inside.
Immerse the container (2) in clear water (W) and
The liquid chamber of the processing container (2) through the liquid supply pipe (10b) of the pump (10).
Supply and fill the processing liquid (L) into the closed circuit connected to (2a). Next
Drive the motor with speed reducer (14) to
The liquid circulation pump (10) while rotating the
The filled processing liquid (L) is circulated at high speed through the liquid chamber (2a).
Let Then, check the degassing state from the degassing tank (9).
From the liquid drip injection pipe (10a) of the liquid circulation pump (10).
(L) was replenished with drip and mixed in a closed circuit connected to the liquid chamber (2a).
After deflating the air completely, use the film guide (16).
Insert the film (F) toward the processing container (2). This and
The film (F) passes through the clear water (W) in the water tank (1) and is then processed.
The feeding container (2) is fed toward the front between the pair of rotating rollers (3), (3 ').
And the liquid chamber (2a) by two pairs of front and rear rotating rollers (3), (3 ').
After passing through the inside, again in the clear water (W) in the water tank (1)
And then washed with water, and then processed
It is.

Here, in the developing processing apparatus of this embodiment, the processing
Circulate the liquid (L) into the liquid chamber (2a) of the processing vessel (2), and
Feed from one side of the liquid chamber (2a) and let it flow out from the other side.
Flow the processing liquid (L) laterally in the liquid chamber (2a) at high speed.
The film (F) that passes through this liquid chamber (2a)
Surface of the film (F) by evenly contacting the processing liquid (L) with the surface.
Can produce the desired reaction with the drug layer of
You.

Further, in the liquid chamber (2a) of the processing container (2), a fiber is placed.
By arranging the liquid guide and liquid flow speed increasing device (6), the liquid chamber (2
Arrange the shape of the processing liquid flow passage and film passage of a)
At the same time, since the internal volume is reduced, this
While stabilizing the passage of the film (F),
Rectifies and accelerates the flow of processing liquid (L) to the surface of the aluminum (F)
The processing liquid (L) evenly and securely on the surface of the film (F).
And increase the contact speed (stirring speed)
Can be Furthermore, when filling and supplying the processing liquid (L)
The air unavoidably mixed in the closed circuit connected to the liquid chamber (2a)
By degassing, processing liquid that flows in the liquid chamber (2a) at high speed
It is possible to prevent air bubbles from being generated in (L).
Achieves stable development processing at high speed with a small amount of processing liquid (L).
Wear.

The liquid chamber (2a) of the processing container (2) has two pairs of
Rotating rollers (3), (3 ') and two sealing rollers (4), (4')
The liquid is sealed with the supporting end plates (5) and (5 ') on the side.
Since the body of the la is made of rubber, the liquid seal between
By keeping the outer peripheral surface of the
On the other hand, the liquid seal between each roller and the support end plates (5) and (5 ') on both sides.
Are kept with a seal ring (7) interposed between them
You. Therefore, it slides on the outer peripheral surface of two pairs of rotating rollers (3), (3 ').
Since there is no member that does, it is only rolling contact resistance, and
End surface of each roller (3), (3 '), (4), (4') and supporting end plate (5), (5 ')
A seal ring (7) with a low coefficient of friction is
Therefore, when rotating two pairs of rotating rollers (3), (3 '),
Resistance can be kept low, and thus the development device can be operated.
It is possible to reduce the power consumption required for.

The treatment container (2) is supplied with water in the water tank (1).
As it is immersed in fresh water (W), it can be balanced with water pressure.
Therefore, leakage of the processing liquid (L) from the liquid chamber (2a) can be suppressed.
In addition, complete contact between the processing liquid (L) in the liquid chamber (2a) and the atmosphere
Shut off, the characteristics of the processing liquid (L) deteriorate due to oxidation,
Dry and solidify and crystallize around each roller of the processing container (2).
Be careful not to damage the film (F) that is being processed.
Indeed it can be prevented. Also, transfer the film (F) and
Minute amount of water oozing out of the liquid chamber (2a) accompanying the rotation of the roller
The treated liquid (L) is dispersed in the clear water (W) in the water tank (1) and
This water tank is diluted evenly and flows out into the drainage reservoir (1c).
(1) By adjusting the amount of water supplied to the inside of the
The wastewater in c) meets the legal regulations only by adding a neutralizing agent.
It can be disposable. Further in the aquarium (1)
Since a heater (1d) for water temperature adjustment is installed,
Temperature of fresh water (W) and treatment in the liquid chamber (2a) of the processing vessel (2).
Stabilize the development process by controlling the temperature of the solution (L)
be able to.

Next, a specific developing process by the apparatus of this embodiment
A theoretical example will be described below. In this embodiment, based on the above configuration
In the process chamber (2), the clear width of the liquid chamber (2a) is 80 mm, fill-
(F) The length of the transfer direction is 20 mm, and the
The liquid guide and the liquid flow speed increaser (6) is a liquid flow with a gap of about 3 mm.
It has a hole (6a), and the actual internal volume of the liquid chamber (2a) is
It was about 5 cm ³ . Also, the liquid chamber of the processing container (2)
Pair of liquid pipes (8), (8 ') connecting (2a) and liquid circulation pump (10)
A rubber tube with an inner diameter of 6 mm is used for
The total internal volume of the channel was about 25 cm ³ . Meanwhile, the aquarium (1)
Has a width and length of approximately 150 mm and a height of approximately 100 mm
The temperature of the fresh water (W) in the water tank (1) is about 33 ° C.
To control.

First, in order to understand the optimum development processing conditions
In addition, using this development processing equipment, contact between the processing liquid and the film
The relationship between the contact time and the flow rate of the treatment liquid was investigated. As a processing liquid
Film, soak the film in static solution for 20 seconds or longer.
With a developing solution that gives a predetermined development density and lack of fixing.
And fixing solution, and the contact time between processing solution and film
Is 5sec, 10sec, 1 by changing the transfer speed of the film.
It was set to 5sec and 23sec respectively. And about 25c
Each of the above processing liquids of m ³ is placed in a closed circuit connected to the liquid chamber.
After degassing and filling, do not circulate these processing solutions.
Flow rate in liquid chamber at rest 250 mm / sec and 500 mm / sec
There are three types of high-speed circulation, and the liquid chamber has a width of 40
mm, length 30mm, filmed film has the above contact time of 4
At the speed of
Comparative evaluation was performed . The results are shown in [Table 1] and [Table 2].
Shown in In addition, [Table 1] shows the results of the development density.
2] shows the result of determination as to whether or not fixing failure occurs. Also, the development density
If the degree is 2.1 or more, it is judged as pass and a circle is shown in [Table 1].
Attached and shown.

[0033]

[Table 1]

[0034]

[Table 2]

Based on this investigation, the development processing apparatus of this embodiment
Then, as shown in [Table 1] and [Table 2],
20 seconds or more for film development and fixing in the processing solution
Where the contact time of
It can be reduced to less than half the time by selecting the transfer speed of
It was confirmed to be Noh.

Furthermore, an amount of the processing liquid of about 25 cm ³ is initially added.
After filling, fill the above-mentioned film with the processing liquid in the liquid chamber.
With a flow velocity of 500 mm / sec, a speed of 2 mm / sec (contact time 10
It is transported in a sec), and, one film per of 0.3cm ³
It is a method of replenishing the treatment solution with drip, and it can be used continuously or on the next day.
An image test and a fixing test were conducted on a total of 1000 sheets . So
The result of was good from beginning to end, and it seemed possible to continue, but
In one of the development tests, two pairs of front and back of the processing container were used.
Reduced silver adheres to the surface of the rolling roller, and its amount increases.
About 800 sheets are added to protect the film.
Clean the rotating rollers when they are processed
Or, in advance, use a thin fiber around the outer circumference of the rotating rollers.
A rult brush, etc. is placed in contact with the rotating brush during operation.
It is necessary to take measures such as a configuration that allows cleaning
Was recognized.

Next, based on the above results, a stationary solution was used as the processing solution.
Development fixing that can be processed with one liquid by immersing it in the solution for 20 seconds or more
Use a liquid and do not vent the processing liquid into a closed circuit that connects to the liquid chamber.
After filling with a glass (about 25 cm ³ ), the flow velocity in the liquid chamber is set to 500
It is circulated at a high speed of mm / sec and has a width of 40 mm and a length of 30.
mm radiographed dental X-ray film at a speed of 1.3 mm / sec
And transferred for development processing. As a result, the obtained image is
It was clear and clear. And again, film 1
Continuous processing is performed by adding 0.3 cm ³ of processing solution to each sheet.
However, stable images were obtained up to about 200 images.
Was done.

As described above, the developing process of this embodiment
With the equipment, it is acceptable to use new liquid each time.
Stable development without unevenness with a very small amount of processing liquid
The processing can be achieved at high speed, and the entire device can be compacted.
Tona (Specifically, the total height is about 250 mm, and the width and length are about 15 mm.
The outer shape was 0 mm). In addition, the actual
In the developing processing apparatus of the embodiment, the rotating roller and the sheet of the processing container are
The lurolla had a rubber body.
As long as the body of the rolling roller is made of rubber, the seal roller
La has a body made of hard material such as metal.
However, liquid sealing of the liquid chamber of the processing container can be achieved. Also,
The degassing tank is installed in the liquid pipe on the side that drains from the liquid chamber of the processing container.
The liquid chamber and the liquid pipe paired with the liquid chamber and the liquid circulation pump.
It is assumed that air is evacuated from the closed circuit
It goes without saying that it may be inserted in the liquid pipe on the liquid side.
No. This lowers the flow path resistance on the drain side,
Liquid pressure can be controlled low.

Further , in the developing processing apparatus of this embodiment, processing
Liquid is continuously fed and discharged from a certain direction, and the processing volume is
It was made to flow laterally in the liquid chamber of the vessel.
Small operation that operates alternately in synchronization with the supply / drain ports on both sides of the processing container.
A mold volume pump, etc., is installed so that the processing liquid filled in the liquid chamber
The reciprocating flow in the lateral direction, closing times leading to the liquid chamber
The length of the pipe can be shortened and the amount of processing liquid can be reduced.
Is effective in.

Further, the developing processing apparatus of the present embodiment has one
The processing container is placed in the water tank, and the processing liquid is used.
The developing and fixing solution was used for this purpose, but this is an example.
So, for example, fill two or three processing vessels in the water tank.
The containers are arranged side by side in the transfer direction of the
Different types of processing liquids are supplied to the developer, that is, developing liquid and fixing liquid.
And send clean water etc. to develop-fix-wash with film
May be continuously developed. This configuration
Then, since there is water between each processing container, it is possible to process continuously.
Wash the film while transferring it to the next processing container.
This eliminates the influence of the immediately preceding processing liquid and stabilizes the next processing.
It can be In this case, each
Support end plates on both sides of the processing container can be connected and integrated.
It is effective to make the whole structure compact.

Next, the developing processing apparatus of the second embodiment of the present invention.
Will be described with reference to FIG . [FIG. 3] shows the present embodiment
FIG. 3A is a diagram showing a schematic configuration of the developing processing apparatus of FIG.
Is a front view with a part cut away, (b) is the drive system of the device
FIG. The development processing device of this embodiment is
Arrange a number of processing vessels in a U shape, and
Basic configuration except that the supporting end plates are connected and integrated
Since the parts are the same as those in the first embodiment, here
The same symbols are given to the respective parts equivalent to [Fig. 1] and the details are shown.
Will be omitted and only the differences will be summarized and described.

In the developing processing apparatus of this embodiment, as shown in FIG.
(a) As shown in the figure, two pairs of front and rear rotating rollers (3), (3 ')
And between the two pairs of rotating rollers (3), (3 ')
Two sealed rollers (4), (4 ') and both of them
A pair of supporting end plates (20), (20 ') arranged on the side
3 processing volumes with a small volume liquid chamber (2a)
Place the instrument (2) on an arc that is equidistant from the same center point P.
Are arranged in a U shape, and support ends on both sides of each
The plates (20) and (20 ') are connected and integrated.

Further , it is located above the processing container (2).
Outer diameter of rotating roller (3) and seal roller (4) before and after
The front and rear rotating rollers (3 ') and seal rollers.
The diameter is smaller than the outer diameter of the la (4 ') so that each processing container
Point the film (F) entry / exit of (2) diagonally upward, and
The processing vessels (2) along the same arc.
Facilitates and transports film (F) under the array
Makes it easy.

Further , a flap is provided at the rear of the processing container (2).
Eject the film (F) instead of the film guide (17).
Two pairs of guide rollers (21) for arranging are arranged. Soshi
These two pairs of guide rollers (21) also have support end plates (2
It is rotatably supported by (0) and (20 '). Also, the two pairs
Between the guide rollers (21) of the
Ventilation tube (2
2) penetrates the support end plates (20), (20 ') on both sides and
Have been. Also, one side end of the ventilation tube (20) is
Is connected to a warm air feeding device (not shown).

On the other hand, those processing vessels (2) were integrated.
On the supporting end plates (20), (20 '), the drive spur gear (11) is attached to the point P.
It is rotatably supported around. Also above it
Is a support end plate where the frame (16) on which the motor with reduction gear (15) is placed is
It is supported by (20) and (20 '). Also, reducer
The pinion gear (14) of the attached motor (15) is as shown in (b).
In addition, the drive spur gear (11) that rotates around the center point P has teeth.
And the drive spur gear (11) is attached to each processing vessel (2).
The end shafts of the front and rear rotating rollers (3) located above each
It is meshed with the spur gear (12) attached to the
And three processing vessels (2) Two pairs of front and rear rotating rollers
(3) and (3 ') are rotated synchronously. Also, here
Although omitted, on the opposite side of the above,
(b) As shown in the figure, two pairs of front and rear
Either one of the end shafts of the rolling rollers (3), (3 ') and the seal roller
(4), (4 ') and the respective end shafts, mesh with each other.
A spur gear (13) that rotates synchronously is attached to this drive system.
Under each of the three processing vessels (2) each roller has one deceleration
It is rotated synchronously by a motor with motor (15).

Although not shown here, the present embodiment
In the example developing processing apparatus, the first processing volume located at the forefront
The liquid chamber (2a) of the second processing vessel (2) that follows the vessel (2) is
Similar to the example , paired liquid pipes (8), (8 ') and liquid circulation pump
(10) and a closed circuit consisting of
Use a small air vent in one of the liquid pipes (8) and (8 ')
The tank (9) is installed. On the other hand, for each liquid circulation pump (10)
Keep a specified amount of processing liquid in the liquid drip injection tube (10a).
The sealed drip bag contained is connected.

Further, two pairs of front and rear of the first processing container (2) are used.
Roller rollers (3), (3 ') on the outside of the body of each
Place a fine felt brush that slides in contact with the
Attached to the surface of the rotating rollers (3), (3 ') with a brush.
It is said that reduced silver can be cleaned during operation.
You. In addition, it was connected to the liquid chamber (2a) of the second processing container (2).
Degassing tank (9) installed in one of the liquid pipes (8) and (8 ')
The silver ion eluted from the film (F) is stored in the liquid flow path of
A cathode plate is disposed for electrodeposition and recovery.

Furthermore, a third processing volume located at the end of the third processing volume
One liquid pipe (8) connected to the liquid chamber (2a) of the vessel (2) is clean water.
(W) is connected to the feeding device and one of the other liquid pipes is connected.
(8 ') is opened directly in the water tank (1). That is,
The liquid chamber (2a) of the processing container (2) of No. 3 is formed as an open circuit.
Operation by supplying fresh water (W) to the third treatment container (2)
Continuous supply of fresh water (W) into the water tank (1)
doing.

In the developing processing apparatus of this embodiment having the above structure,
The first and second processing vessels (2) are the fresh water in the water tank (1).
While completely immersed in (W), the third processing container (2)
Part of the upper part is exposed above the water surface, and the ventilation tube (2
2) is placed in the water tank (1) while being positioned above the water surface,
In the first processing container (2), the developer, and then in the second processing container (2)
Circulating and feeding the fixer respectively, and the subsequent third process
Supply fresh water (W) to the container (2) and warm air to the ventilation tube (24).
The film (F) is transferred in a U shape while being sent, and three processes are performed.
Pass it through the liquid chamber (2a) of the container (2) and put it in the film (F).
The development process is carried out by continuously performing the processes of development-fixing-washing-drying.
Make sense.

Next, a specific development by the apparatus of this embodiment is carried out.
A processing example will be described below. In this embodiment, based on the above configuration
Then, the processing container (2) has a liquid chamber (2a) with an inner width of 160 mm .
Rum (F) The length in the transfer direction is 20 mm, and
Liquid guide and liquid flow speed increaser (6) is a liquid flow with a gap of about 3 mm.
It has a hole (6a), and the actual internal volume of the liquid chamber (2a) is
It was about 10 cm ³ . Also, the liquid chamber (2a) of each processing container (2)
To the pair of liquid pipes (8) and (8 ') that connect the
Is a rubber tube with an inner diameter of 6 mm, as in the first embodiment.
The total internal volume of the closed circuit formed by these is about 30 cm ³ .
I did . On the other hand, the aquarium (1) has a width of about 230 mm and a length of about 200 mm.
mm, height approx. 150 mm, and inside the water tank (1)
The temperature of fresh water (W) was controlled at about 33 ° C.

Then, the film is kept in the still solution for 20 seconds or more.
By dipping, the specified development density and fixing omission can be obtained.
The developing solution and the fixing solution to be supplied to the first and second processing vessels, respectively.
The closed circuit connected to each liquid chamber is filled with air (approximately 30c
m ³ ) and then the flow velocity in the liquid chamber is set to 500 mm / sec.
Circulate at high speed, while in the liquid chamber of the third processing container
15Omm in width and length while sending clear water and passing it at high speed
2mm of dental panoramic X-ray film of 300mm
It was transferred at a speed of sec (contact time 10 sec) and developed.
Also, if the next development is to be carried out continuously, one film
10 cm ³ of developer and fixer per
Continuous treatment was performed by the filling method.

As a result, from film development to drying
The time to pass one point (Top to Top) is 55 seconds.
The total length of the film can be processed at a high speed of 3 minutes and 25 seconds,
The image was clear and even. And again,
0.5 cm ³ of developer and fixer per film
Shoot 40mm wide and 30mm long by replenishing each drip
The processed dental X-ray film was processed continuously.
Can be processed at a high speed of 65 seconds, and the obtained images are uneven.
It was stable and good. By the way, it is currently on the market
Most of the small-sized development processing equipments are
As a point-to-top time, 3 to 6 minutes is
The amount of processing liquid per film is
It requires about three times as much as the apparatus of this embodiment .

As described above, the developing process of this embodiment
With the equipment, stable development processing can be performed with a very small amount of processing liquid.
It can be achieved at high speed and the film is U-shaped.
The film, that is, the film is loaded from above.
・ By sending it out, you can easily handle long films.
On the other hand, each processing container is equipped with a rotating roller that transfers the film.
Therefore, even short films can be stably transferred and processed.
be able to. Moreover, having multiple processing vessels
Also, by arranging them in a U shape, the length of the aquarium is also shortened.
And the entire device is compact (specifically, overall height
Outer shape of about 250mm in width, about 230mm in width, and about 200mm in length
It was possible to do. Further development processing of this embodiment
The device is equipped with a light-shielding hood, etc. at the front of the device,
It can be easily processed in a bright room.
Wear.

In addition, each of the processing chambers is a component
Limit the sliding parts of the roller to both ends of the body.
The sliding resistance during rotation is kept low while those low
It is possible to efficiently drive and rotate the motor with one motor.
Therefore, the power consumption required for operating the developing device can be reduced.
It can be suppressed. In addition, each processing container should be
Since it is immersed in water, it can be used as a developer and fixing agent in the liquid chamber.
Completely cuts off the contact between the liquid and the atmosphere, and the treatment liquid oxidizes
Characteristics may deteriorate due to
It may damage the film being crystallized and processed.
Can be reliably prevented, and there will be water between each processing container.
Therefore, the film to be continuously processed is transferred to the next processing container.
Rinse with water while removing the influence of the previous processing solution.
The next process can be made stable. Further
Silver ionized and dissolved in the fixer from the processing film
Can also be effectively collected.

[0055]

As described above, the development processing of the present invention
The device is a film guide and liquid flow in a small volume liquid chamber of the processing container.
Since the speed increaser is installed inside, the film that passes through the liquid chamber
To increase the contact speed (stirring speed) of the processing liquid with respect to
A stable development process with no unevenness is possible with a very small amount of processing solution.
It can be achieved more quickly, and with liquid sealing means using sliding members
Without, roll the seal roller on the outer peripheral surface of the rotating roller
Together with a low friction member between the end face of each roller and the support end plate.
A liquid seal in the liquid chamber
Is required, and its operation is required compared to the conventional example.
The great effect of being able to reduce power consumption
Can be obtained.

[Brief description of the drawings]

1A and 1B are diagrams showing a schematic configuration of a developing processing apparatus according to a first embodiment of the present invention, wherein FIG. 1A is a partially cutaway front view, and FIG. 1B is a view A in FIG. FIG.

FIG. 2 is an explanatory diagram of a drive system of the developing processing apparatus according to the first embodiment of the present invention.

3A and 3B are views showing a schematic configuration of a developing processing apparatus according to a second embodiment of the present invention, wherein FIG. 3A is a front view showing a part of the developing processing apparatus, and FIG. 3B is a drive system of the apparatus. FIG.

FIG. 4 is a schematic explanatory view of a development processing device of a prior application.

FIG. 5 is a schematic explanatory view of a development processing device of a prior application.

[Explanation of symbols]

(1) ... water tank, (2) ... processing container, (2a) ... liquid chamber, (3), (3 ') ...
Rotating roller, (4), (4 ') ... Seal roller, (5), (5') ... Support end plate, (5a), (5a ') ... Supply / drain port, (5b) ... Connecting rod, ( 6)
... Film guide and liquid flow speed increaser, (6a) ... Liquid flow hole, (7) ...
Seal ring, (8), (8 ') ... Liquid pipe, (9) ... Degassing tank, (9a) ...
Degassing pipe, (9b) ... Liquid overflow pipe, (10) ... Liquid circulation pump, (10a)
... Liquid drip injection pipe, (10b) ... Liquid supply pipe, (10c) ... Drainage pipe,
(11)… Drive spur gear, (12)… Spur gear, (13)… Spur gear, (14)
… Pinion gear, (15)… Motor with reduction gear, (16)… Frame,
(17) ... Film guide, (F) ... Film, (L) ... Treatment liquid, (W) ... Shimizu.

Continuation of the front page (56) Reference JP-A-1-166041 (JP, A) JP-A-2-124570 (JP, A) Actually open 2-142842 (JP, U) JP-B-59-24409 (JP) , B2)

Claims (4)

(57) [Claims] 1. Between a pair of supporting end plates arranged in parallel,
It has a peripheral surface made of elastic material before and after the film transfer direction.
Two pairs rotating rollers are arranged at a predetermined small distance that, this
On the upper and lower sides between these two pairs of rotating rollers , there are peripheral surfaces made of elastic material that are in rolling contact with the outer circumference of the front and rear rotating rollers
Two sealing rollers are arranged that, surrounded by the support end plates of the rotary roller and two sealing rollers and a pair of these two pairs
And a processing liquid supply / discharge port provided on the pair of support end plates.
Processing container having a small volume liquid chamber for supplying and discharging the processing liquid from
In a development processing apparatus in which is arranged in a water tank,
End face and support end of rotating roller and seal roller
A seal ring consisting of a low friction member is interposed between the plate and
A rotary roller and a seal roller are provided in the liquid chamber of the processing container.
Not in contact with each other, and each rolling roller pair
Along the pair of slits, a pair of slits are formed by directing between the contact surfaces.
A flat liquid flow that communicates with the liquid supply / drain port provided on the support end plate.
A development processing apparatus having a film guide and liquid flow speed increasing tool having a hole therein . 2. A film is provided between the pair of supporting end plates.
U-shape that is high in the front and back of the transfer direction and low in the front and back
Multiple processing vessels arranged in a line and each processing vessel
Outside of the front and rear rotating rollers and seal rollers on each side
Set the diameter outside the lower front and rear rotating rollers and seal roller.
The development processing apparatus according to claim 1, wherein the development processing apparatus has a diameter smaller than the diameter . 3. A liquid supply / drainage port on each side of the processing container, which is a pair of pipes.
Connected to the liquid circulation pump via a line and its pair of pipes
It is characterized in that a deaeration tank is provided in either one of the conduits.
The development processing apparatus according to claim 1 or 2 . 4. Silver ions are electrodeposited inside the deaeration tank.
4. The development processing apparatus according to claim 3, further comprising a cathode plate .