JPS58189639A - Processor for photosensitive material - Google Patents

Abstract

PURPOSE:To prevent a film from loating while no foregin matter contacts the film surface, by providing a discharging device which discharges a processing liquid from one terminal to the other terminal of a processing tank, and providing an overflow pipe at the other terminal. CONSTITUTION:A reduction tank 1 at a top-surface opening consists of a bottom plate 2 curved in a flume shape and end plates 3, and numbers of projecting lines 4 curved arcuately along the bottom plate 2 are provided on the internal surface of the bottom plate 2. The major part of reduction liquid 10 discharged out of a discharge pipe 5 upward by a circulating pump passes through the split flow hole 8 of a separating plate 7 to strike a deflecting plate 9, where it changes in direction inward to flow down as shown by an arrow, forming a surface flow. Part of the reduction liquid 10 changes in direction by striking the separating plate 7 to flow inward at an extremely slow speed and also returns to the circulating pump through the overflow pipe 6 for circulation.

Description

[Detailed Description of the Invention] In general, photographic materials (hereinafter referred to as films) are damaged when the film surface comes into contact with foreign matter during development, fixing, reduction, or washing with water]
7. Or the finish is uneven.

Therefore, during processing such as development in automatic processing machines, etc.,
When the processing tank is dish-shaped, the film is transported with the film surface facing upward so that the film surface does not touch anything other than the processing liquid.

However, the circulating treatment liquid may cause the film to rise to the surface of the liquid, resulting in unevenness.

The present invention relates to a dish-shaped processing device that prevents film from floating, and will be specifically described below with reference to the accompanying drawings.

Figures 1 to 5 show the use of the first embodiment for a force reduction tank. The force reduction tank (1), which is open at the top, has a bottom plate (2) curved in the shape of a gutter and an end plate (2). 5) From (5),
The inner surface of the bottom plate (2) is provided with a large number of protrusions (4) that curve in an arc along the bottom plate (2).

A discharge pipe (5) whose upper end is located at the lower part of the reduction tank (1) is installed through the center of the lower surface of one end (right end in Figure 1) of the bottom plate (2), and similarly located at the center of the lower surface of the other end. The upper end is a reduction tank (
1) Overflow 2 miip located at the top of the (6)
is installed through it.

At the center of the inner surface of the end plate (filter) of the force, there is a liquid separation plate (force) that is horizontal and that covers the upper side of the PLL bone canal 5).
A flow dividing hole (8) is bored in the straight portion of the discharge pipe (5) in the liquid dividing plate (7). It's a waste, KL and water + are formed on the upper inner surface of this end plate (B), reaching both sides of the bottom plate (2), and covering one side of the liquid & (force), and the above-mentioned overflow τ''-vibrator. A deflection plate (9) is fixed to (6) at almost the same height as the end.

1 from the discharge pipe (5) by a circulation pump (not shown).
Most of the reducing liquid (10) discharged toward the liquid filter passes through the flow dividing hole (8) in the liquid dividing plate (C), hits the deflection plate (9), bends inward, and moves in the direction of the arrow. A part of the reduced force i (10) hits the liquid separation plate (c) at the bend 12, flows inward at a slow speed, and flows through the overflow ξ iso (6). After that, it returns to the circulation pump for circulation.
Muru.

This surface flow spreads over the membrane surface at 14
From the - side of the reducing tank (1) to the other side,
Photographic film (11) conveyed along recording strip (4)
to prevent it from floating to the liquid surface.

As mentioned above, although this device has an extremely simple configuration, it can prevent the film (11) from floating without causing the film surface to come into contact with foreign matter. It is also effective when used for developing, fixing, or washing with water.

FIG. 4 and FIGS. 5 to 7 show the second and sixth embodiments of the present invention, respectively, and the same members as those in the previous embodiment are designated by the same reference numerals, and their explanations are omitted. do.

In the second embodiment shown in FIG.
In place of 5), a horizontal discharge pipe (21) is installed slightly below the level of the reducing fluid (10) at the upper center of the end plate (b).

Even in this case, the flow velocity of the force-reducing liquid (10) in the force-reducing tank (1) becomes farther upward, and the same operation and effect as in the previous embodiment can be obtained.

In the sixth embodiment shown in FIGS. 5 and 6, the liquid separation plate (c and deflection plate (9) in the first embodiment are omitted, and f=.

As shown in FIG. 6, on the inner surface of the discharge pipe (51) whose upper end is closed, which is installed through the bottom plate (2) in the same way as before discharge (5),
A triangular discharge hole (52) facing downward is cut with its upper edge slightly below the level of the reducing fluid (10).

In this way, the amount of the force-reducing liquid (10) discharged from the discharge hole (52) decreases as it goes downward, so that the same operation and effect as in the first embodiment can be obtained.

In this example, as shown in FIG.
In place of the delivery hole (51), a plurality of discharge holes (5 holes) with an opening area as small as 1/1 are installed at the location corresponding to the discharge hole (52).
A discharge pipe (filter 4) may be used.

[Brief explanation of drawings]

1 is a plan view showing a first embodiment of the present invention, FIG. 2 is a longitudinal sectional front view taken along line A-A in FIG. 1, and FIG.
4 is a vertical cross-sectional side view taken along the line B-B in the figure, FIG. 4 is a top view of the central part of the main part showing the second embodiment of the present invention, and FIG. 5 is a longitudinal cross-sectional view of the main part showing the sixth embodiment of the present invention. FIG. 6 is a side view of the discharge pipe seen from the inside, and FIG. 7 is a side view of another example of the discharge pipe. (1) Reduction tank (2) Bottom plate (filter) End plate (4) Projection (5) Discharge pipe (6) O-flow pipe (7) Separation plate (8) Diversion hole (9) Deflection plate ( 10
) Reducing liquid (11) Film (21), (U1) Discharge pipe (Filter 2), (Filter 5) Discharge hole (54) Discharge, Tube tube 1 Figure 6 Figure 7

Claims (6)

[Claims] (1) At one end of the sensitive material processing tank, a discharge device is provided that discharges the processing liquid from one end of the processing tank toward the other end near the liquid level of the processing solution in the processing tank, and also at the other end,
A photographic material processing apparatus characterized by being provided with an overflow pipe whose upper end is located in an upper part of a processing tank. (2) A discharge device is provided with a discharge pipe extending through the bottom of the sensitive material processing tank, and above the opening of the discharge pipe, protruding near the processing liquid level from one end of the processing tank toward the other end. Device according to claim 1, characterized in that it comprises a generally horizontal deflection plate provided. (3) A horizontal liquid dividing plate having a flow dividing hole protruding directly above the opening is disposed between the upper end opening of the discharge pipe and the deflection plate. The device described in section 2). (4) A feature a' characterized in that the discharge device is provided at one end of the processing tank near the liquid level of the processing liquid, and the opening is a generally horizontal discharge pipe that extends toward the other end of the processing tank. F. The device according to claim (1). (5) A discharge device is installed through the bottom wall of the processing tank near one end, the upper end is closed, and the discharge device faces toward the other end of the processing tank near the liquid level of the processing liquid in the processing tank. 6. The device according to claim 1, wherein the discharge hole is a discharge pipe that projects from a side surface. (6) The apparatus according to claim (5), wherein the discharge hole has an inverted triangular shape with the E edge near the processing liquid level. Claim No. 1, characterized in that the discharge holes are made up of a plurality of holes, with the uppermost one near the processing liquid level, and whose size gradually decreases from one to the lower one ( The device described in section 6).