JPH01155342A - Package for sheet film - Google Patents

Abstract

PURPOSE:To exactly detect the presence or absence of sheet films at the time when a package is set to an automatic sheet feeder and is used by providing a conductive member consisting of a metallic material to a backing plate which protects plural sheets of the sheet films. CONSTITUTION:The package 10 for the sheet films includes a light shielding member 12 and the backing plate 14 for protecting the films F disposed in this light shielding member 12. The conductive member 28 is provided to a rear face part 18 of the backing plate 14. A user loads said package 10 into the aperture of a platen 38 of an image recorder 30 at the time of use. A bottom end part 48a of a 1st electrode 48 and a bottom end part 50a of a 2nd electrode 50 come into contact with the conductive member 28 of the backing plate 14 when all of the films F laminated on the platen 38 are taken out under driving of a sheet mechanism 40. The 1st electrode 48 and the 2nd electrode 50 are, therefore, electrically connected and electric current flows to a detecting circuit 54. The absence of the films F on the tray 38 is thus confirmed.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a packaging body for sheet films, and more particularly, there is a conductive layer between a backing plate that accommodates a plurality of sheet films in a stacked manner and the sheet films. A conductive member is disposed, and the sheet film is sheeted under the driving action of an adsorption means, and an electrode that is displaced integrally with the adsorption means electrically contacts the conductive member to emit a signal. The present invention relates to a sheet film packaging body configured to detect that all sheet films have been fed.

[Background of the Invention] Recently, a radiation image recording and reproducing system for obtaining a radiographic image of a subject using a stimulable phosphor (stimulable phosphor) has been developed and is becoming widespread. Here, a stimulable phosphor refers to a stimulable phosphor that, when irradiated with radiation (X-rays, α-rays, β-rays, γ-rays, electron beams, ultraviolet rays, etc.), stores a portion of this radiation energy and later excites it with visible light, etc. A phosphor that exhibits stimulated luminescence according to the energy accumulated by irradiation with light.

The radiation image recording and reproducing system described above utilizes this stimulable phosphor, in which radiation image information of the human body, etc. is recorded on a sheet having a layer of stimulable phosphor, and then this stimulable phosphor sheet is Scanning is performed with excitation light such as a laser beam to generate stimulated luminescence light, the resulting stimulated luminescence light is read photoelectrically to obtain an image signal, and based on this image signal, recording materials such as photographic light-sensitive materials, CRTs, etc. etc., as a visible image.

Here, when recording an image on a recording material, an image recording device, for example, an image output laser printer device is used. This device stores photographic film, which is a recording material, through a magazine, etc., takes out the film one by one using a sheet-fed mechanism such as a suction cup, and then uses electrical signals obtained from a stimulable phosphor sheet to The device is configured to irradiate the film with laser light and record a predetermined image. Therefore, the film on which the new image has been recorded is conveyed into an automatic developing device, undergoes a developing process, and is then stored at a predetermined location, where it is used for medical diagnosis, etc., as necessary.

In this case, in the image output laser printer device, when loading the photosensitive film into the device, the film must be handled so as not to be exposed to external light.

This is because you will be exposed to light. Therefore, when fishing on a boat, loading the film is carried out in a darkroom, but the efficiency of the loading operation naturally deteriorates.

In order to improve the workability, it has become strongly desirable to load film in a normal bright room, and the technical idea to make this possible has been developed, for example, in Japanese Utility Model Publication No. 61-2059.
It is disclosed in No. 1.

Therefore, the above-mentioned Utility Model Publication No. 61-2059 as a prior art
The technical idea disclosed in No. 1 will be briefly explained. That is, FIG. 1 shows a sectional view of a package 2 that is loaded into an image recording device or the like via a magazine (not shown). This package 2 includes a bag 4 and a padding paper 6 that protects the film F stored in the bag 4. The bag 4 accommodates the film F and the padding paper 6, and both ends 4a and 4b thereof are closed.

On the other hand, the padding paper 6 is formed into a substantially U-shape by a long lower surface portion 6a, a short upper surface portion 6b, and a presser portion 6C.
A plurality of holes 7 are bored in the elongated lower surface portion 6a. The film F is stacked and housed between the lower surface portion 6a and the upper surface portion 6b of the cover sheet 6.

After the package 2 configured as described above is stored in a magazine (not shown), one end 4a of the bag 4 is cut and opened.
Next, the film F is taken out from the bag 4 within the magazine by pulling the other end 4b of the bag 4 in the direction of the arrow and pulling out the bag 4. This magazine is loaded into the image recording apparatus, and the film F is fed into sheets by the suction cup 8 constituting the sheet feeding mechanism, and is used for image recording.

Further, after all the films F stored in the backing paper 6 are fed out under the driving action of the sheet feeding mechanism, the suction cup 8
engages with a hole 7 formed in the lower surface 6a of the backing paper 6. Therefore, air is introduced into the suction cup 8 through the hole 7, and the pressure inside the suction cup 8 changes, and by detecting this pressure state, it is confirmed that no film F remains on the backing paper 6. be done.

However, in this case, since the holes 7 are provided in the lower surface 6a of the backing paper 6 on which the plurality of films F are laminated,
A difference occurs in the pressure or moisture on the film F between the hole portion 7 and the portion where the backing paper 6 is present, causing a difference in the degree of fogging.

As a result, a trace of the outline of the hole 7 is formed on the film F, which is disadvantageous in that accurate image recording cannot be performed.

Furthermore, in the single-fed mechanism, it is necessary to provide a detection means for detecting the pressure state inside the suction cup 8 when the suction cup 8 engages with the hole 7. Therefore, the structure of the single-wafer mechanism becomes complicated, and the entire single-wafer mechanism becomes expensive.

[Object of the Invention] The present invention has been made in order to overcome the above-mentioned disadvantages, and includes preparing a backing plate for laminating a plurality of sheet films and a light-shielding member for holding the sheet films in a light-tight manner,
A conductive member is directly fixed to the film laminated surface of the backing plate,
Alternatively, a separate conductive member is interposed between the backing plate and the sheet film, and the sheet film is fed one by one under the action of a suction means in the apparatus, and is displaced integrally with the suction means. When the electrode comes into electrical contact with the conductive member, a detection circuit connected to the electrode is closed and detects that no sheet film remains, thereby causing pressure buildup or the like on the sheet film. It is an object of the present invention to provide a sheet film packaging body that prevents this from occurring and also makes it possible to accurately detect whether or not the sheet film remains with a simple configuration.

[Means for Achieving the Object] In order to achieve the above object, the present invention provides a light-shielding member that holds a plurality of laminated sheet films in a light-tight manner, and a light-shielding member that protects the sheet film inside the light-shielding member. A conductive member is provided at least in a portion between the said backing plate and the sheet film.

[Embodiments] Next, preferred embodiments of the sheet film package according to the present invention will be described in detail with reference to the accompanying drawings.

In FIG. 2, reference numeral 10 indicates a sheet film packaging body according to the present embodiment, and this packaging body 10 has the following features in the figure:
It includes a light shielding member 12 shown by a two-dot chain line and a backing plate 14 for protecting the film F disposed inside the light shielding member 12. In this case, the light shielding member 12 has a bag shape, and both ends 16a116b thereof are sealed.

On the other hand, the contact plate 14 is formed by bending, for example, cardboard, a metal plate, a synthetic resin plate, or the like.

That is, the plate 14 includes a lower surface portion 18, and a side surface portion 20 is formed on one end side of the lower surface portion 18, and is bent and stands up at a substantially right angle so as to be oriented vertically upward. An upper surface portion 22 that extends substantially parallel to the lower surface portion 18 and is shorter than the lower surface portion 18 is provided at the upper end portion of the side surface portion 20 . A presser portion 24 is formed that bends downward to direct the object. This holding portion 24 is present on one end 16a side of the light shielding member 12.

Therefore, a conductive member 28 is provided on the lower surface portion 18 of the contact plate 14. The conductive member 28 is substantially made of a conductive metal plate, and is attached to the entire surface of the lower surface portion 18 where the film F is actually placed.

Note that conductive metal foil may be attached to the lower surface portion 18,
Alternatively, the conductive member 2 may be directly plated with metal on the backing plate 14.
It can also be set to 8.

Further, the conductive member 28 may be provided only in the portion corresponding to the zero-sheet detection means described later, but it is desirable that the material of the surface in contact with the film F be uniform over the entire surface. The conductive member 28
is preferably provided on the entire surface of the lower surface portion 18.

The film F is stacked and stored between the lower surface portion 18 and the upper surface portion 22 of the contact plate 14 formed as described above.

The sheet film package according to this embodiment is basically configured as described above, and then the package 10 is loaded and image recording is performed to record a desired image on the film F. The device will be explained.

In FIGS. 3 and 4, reference numeral 30 indicates an image recording device. The image recording device 30 includes a housing 34,
A film loading opening 36 is provided on one side of the housing 34.
is defined. A mounting table 38 is fitted into the opening 36 so as to be freely drawn out, and the sheet film package 10 is loaded onto this mounting table 38. It goes without saying that when the mounting table 38 is inserted into the image recording device 30, the interior of the image recording device 30 is completely shielded from light.

As shown in FIG.
A single wafer mechanism 40 is disposed near 8. The single wafer mechanism 4
0 includes a suction cup 42 that is displaced on a predetermined orbit, as shown by the broken line in the figure, and the suction cup 42 is attached to the end of a tube body 44 that is connected to a vacuum generator (not shown). .

A holding member 4 extending horizontally is located midway through the tube body 44.
6 is attached to one end of the holding member 46, and a first electrode 48 and a second electrode 5 serving as 0-sheet detection means are attached to the other end of this holding member 46.
0 are provided at a predetermined interval. The first and second electrodes 48 and 50 have an elastically flexible pin shape, and
It extends vertically downward, and its lower ends 48a, 50a are curved at a height between the suction cup 42 and the path. Therefore, electric wires 52a and 5 are connected to the first electrode 48 and the second electrode 50, respectively.
One end of the wire 2b is connected, and the other end of the electric wire 52a, 52b is connected to the detection circuit 54 (see FIGS. 5a and 5b).

A pair of conveying rollers 56 is disposed adjacent to the single-fed mechanism 40 configured in this manner. A sprocket (not shown) is pivotally attached to one of the rollers constituting the roller pair 56,
One end of the chain 58 is stretched around this sprocket.

The other end of the chain 58 is engaged with a sprocket 62 that is pivotally attached to a rotary drive shaft (not shown) of a rotary drive source 600. Guide plates 64a and 64b are disposed near the pair of rollers 56 to guide the film F conveyed by the pair of rollers 56 to a scanning recording section (not shown). In this case, the image recording device 30 has the guide plates 64a, 64
A desired image is recorded on the film F which is guided by b and conveyed to a scanning recording section (not shown).

Next, the operation of loading the sheet film package 10 into the image recording device 30 will be explained.

As shown in FIG. 3, the mounting table 38 constituting the image recording device 30 is pulled out, and the package 10 is loaded into the opening of the mounting table 38. In this case, one end 16a of the light shielding member 12 constituting the package 10 is exposed outward from the mounting table 38.

Next, after cutting the other end 16b of the light shielding member 12 using a cutter means (not shown) or the like, the mounting table 38 is inserted into the image recording apparatus 30. Furthermore, the light shielding member 12
One end 16a protruding outside is pulled in the direction of arrow B to remove it from the image recording apparatus 30. As a result, a plurality of films F are placed on the mounting table 38 on the plate 1.
It will be loaded via 4.

Therefore, the sheet feeding mechanism 40 is driven to feed the plurality of films F stacked and stored on the mounting table 38 one by one.

That is, as shown in FIG. 4, when the suction cup 42 is brought into contact with the uppermost film F and the vacuum generator (not shown) is driven to suck the air inside the tube body 44, the suction cup 42 The uppermost film F is attracted. At that time, the holding member 46 attached to the tube body 44 is attached to the suction cup 4.
2 and lower end 4 of each electrode 48,50.
8a, 50a abut against the uppermost film F (see FIG. 5a). In this way, the first and second electrodes 48 .
Since the first electrode 48 and the second electrode 50 are electrically cut off by contacting the film F, which is an electrical insulator, no current flows through the detection circuit 54.

Furthermore, the suction cup 42 is displaced on the trajectory shown by the broken line in FIG. The pair of rollers 56 is rotationally driven in the direction of the arrow through a chain 58. For this reason,
The film F held between the roller pair 56 is attached to the guide plate 6
4a and 64b to a scanning recording section (not shown), where a desired image is recorded. The film F after image recording is taken out from the image recording device 30 in a light-shielded state, and is loaded into a developing device (not shown) to undergo development processing. In this case, a developing device is installed in parallel with the image recording device 30, and the film F on which an image is recorded in the image recording device 30 is automatically conveyed to this developing device, and the film F is developed. It is also possible. ``When all the films F stacked on the mounting table 38 are taken out under the driving action of the single-fed mechanism 40, the lower end 48a of the first electrode 48 and the lower end 50a of the second electrode 50 are brought into contact with the contact plate 1.
4 (see FIG. 5). Therefore, the first electrode 48 and the second electrode 50 are electrically connected, and current flows through the detection circuit 54 through the respective electric wires 52a and 52b, thereby confirming that the film F is not present on the mounting table 38. Ru.

Next, the driving of the image recording device 30 is stopped, and the mounting table 38 is
is pulled out from the image recording device 30, and a new unexposed film F is loaded as necessary.

In this case, according to this embodiment, it is possible to reliably detect with an extremely simple structure that all the films F loaded in the image recording device 30 have been fed, and also to prevent pressure buildup on the film F. etc. will not be caused.

That is, in the sheet film package 10, the conductive member 28 made of a metal material is provided on the backing plate 14 that holds the film F in a laminated manner. On the other hand, in the image recording device 30, the first and second electrodes 4 are displaceable integrally with the suction cup 42.
8.50 and a detection circuit 54. Then, when the film F is sheet-fed under the driving action of the suction cup 42, if the film F remains on the mounting table 38, the first and the second
The detection circuit 54 is not energized because the lower ends 48a, 50a of the electrodes 48, 50 contact this electrically insulating film F. Furthermore, after all the film F is sheeted, the lower ends 48a, 5 of the first and second electrodes 48,50
When 0a directly contacts the conductive member 28 of the contact plate 14, the detection circuit 54 is closed and current flows, confirming that the entire film F has been deposited. Therefore, as before,
Compared to a system in which the internal pressure state of the suction cup is detected when the suction cup engages with a hole provided in the backing paper, the structure is drastically simplified and the image recording device 30 can be manufactured economically. It is effective.

Furthermore, a conductive member 28 is formed on the entire surface of the portion of the backing plate 14 where the film F is actually placed.

As a result, the entire surface of the film F comes into contact with the flat conductive member 28, and it is possible to prevent pressure build-up or the like from occurring on the film F.

Furthermore, a sheet film package according to another embodiment of the present invention is shown in FIG. In addition, the same reference numerals are attached|subjected to the same component as the sheet film package 10 based on 1st embodiment, and the detailed description is abbreviate|omitted.

In this case, the sheet film package 66 according to the second embodiment includes a sheet body 68, and the sheet body 68 is disposed between the backing plate 14 and the film F. Then, a conductive member 70 made of a metal material is fixed to the film laminated surface of the sheet body 68.

Therefore, it is easily understood that if the sheet film package 66 is loaded into the image recording device 30 shown in FIGS. 3 and 4, the same action and effect as the sheet film package 10 described above can be obtained. It will be.

[Effects of the Invention] As described above, according to the present invention, a conductive member made of a metal material or the like is provided on a backing plate or the like that constitutes a sheet film package and protects a plurality of sheet films. For this reason, the presence or absence of sheet film can be accurately detected simply by providing a 0-sheet detection means, which essentially consists of a current detection circuit and two electrodes connected to the detection circuit, in the device that loads the package. Can be detected. As a result, there is an advantage that the structure is completely simplified compared to the conventional method which is provided with a detection means for detecting the pressure state inside the suction cup.

In addition, it is only necessary to provide the conductive member on the backing plate itself or on the sheet body interposed between the backing plate and the sheet film, and the sheet film packaging body can be manufactured economically. It is possible to obtain the effect that it is possible to prevent pressure build-up and the like from occurring in the sheet film.

Although the present invention has been described above with reference to preferred embodiments, the present invention is not limited to these embodiments.
Of course, various improvements and changes in design are possible without departing from the gist of the present invention.

[Brief explanation of the drawing]

Fig. 1 is a partially omitted vertical cross-sectional view of a sheet film packaging body according to the prior art, Fig. 2 is a partially omitted perspective explanatory view of a sheet film packaging body according to the present invention, and Fig. 3 is a partially omitted longitudinal sectional view of a sheet film packaging body according to the present invention. A partially omitted perspective view of the device for loading this, FIG. 4 is a partially sectional explanatory view of the device shown in FIG. 3, and FIG. 5a
and b is an explanatory diagram when sheet film is fed into sheets within the apparatus, and FIG. 6 is a partial cross-sectional view of a sheet film package according to another embodiment. 10... Packaging body 12... Light shielding member 1
4...Plate 18...Lower surface part 28.
...Conductive member 30...Image recording device 38
...Placement table 40...Single wafer mechanism 48.
50... Electrode 66... Packaging body 68...
・Sheet body 70... Conductive member

Claims (3)

[Claims] (1) It includes a light-shielding member that holds a plurality of laminated sheet films in a light-tight manner, and a backing plate that protects the sheet film inside the light-shielding member, and at least one space between the backing plate and the sheet film. A packaging body for a sheet film, characterized in that a part thereof is provided with a conductive member. (2) A sheet film package according to claim 1, wherein a conductive member is provided on the entire surface of the sheet film mounting surface of the backing plate. (3) In the package according to claim 1, a sheet body is disposed between the sheet film and the backing plate, and at least a part of the sheet body is made of a conductive member. packaging for