JPH11133552A - Method and device for putting foil and photographic film cartridge - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance the forming efficiency and the quality of a bar code by providing a device with a fixed holder having a cushion part uniformizing foil putting force applied to a data plate and a movable holder freely movably supporting a spool in an axial direction. SOLUTION: The fixed holder 50 is fixed on an index table 51. A compression spring 503 being the cushion part is integrated in a shaft 502 so as to press a first supporting member 501 upward. A fixed shaft 53 is formed so that the key hole 13b of the spool 13 is inserted and the spool 13 is supplied to the shaft 53 by a moving and placing machine. The movable holder 60 is moved along a guide rail 62 toward a position being close to the table 51 and a second supporting part 611 enters the lower part of the data plate 21 of the spool 13. By a foil putting means 73, the foil putting of a transfer plate 77A is executed toward the plate 21 through a foil putting film 76 so as to form the bar code on the spool 13.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foil stamping apparatus and method for forming a bar code on a spool for winding a photographic film, and a photographic film cartridge.

[0002]

2. Description of the Related Art For the purpose of simplifying the loading of a photographic film cartridge into a camera, improving the work efficiency in a developing laboratory, and improving the handleability of the photographic film cartridge, the photographic film is spooled even at its leading end. A photographic film cartridge is disclosed in U.S. Pat. No. 4,634,961 in which a spool is rotated and the leading end of the photographic film is fed out from an opening provided in the cartridge body after the film is wound and stored in a cartridge body, loaded into a camera, and then rotated.
No. 306, JP-A-3-37645 and the like.

In such a photographic film cartridge, a bar code indicating film data such as film sensitivity and the number of shots is formed on a data plate provided on a spool. As a method of forming the bar code, a method is known in which a metal having high reflectivity such as aluminum is foil-pressed to form a high-level pattern, and a base low-level pattern is formed. Further, a photographic film cartridge having a data plate foil-pressed by this method is known.

[0004]

As a problem of the foil pressing method and apparatus, forming a bar code on the data plate of the spool by foil pressing may extremely reduce the production efficiency.
There is a need for a method and apparatus for quickly performing foil stamping times. However, if the time of the foil pressing is reduced, the quality of the foil pressing may be reduced. In addition, if the foil pressing force applied to the data plate is not made uniform, there is a possibility that defects such as chipping of the foil, burrs from the foil edge, swelling of the foil, and peeling of the foil may occur.

[0005] Further, as a problem of the photographic film cartridge, there is a possibility that the quality of the foil stamping may be deteriorated due to the variation in the die processing of the spool and the variation in the molding process. desired.
If the quality of the foil pressing deteriorates, there is a possibility that an error is detected on the camera side, and there is a fear that a problem such as peeling of the foil occurs.

SUMMARY OF THE INVENTION In view of the above problems, it is an object of the first invention to provide a method and an apparatus for foil stamping that are devised so as to improve the efficiency of barcode formation and improve the quality. Further, a second invention provides a photographic film cartridge in which a bar code is formed on a data plate of a foil-pressed spool so that the type information of the photographic film, the number of shots, and the like can be reliably detected on the camera side. With the goal.

[0007]

The above object is achieved by the following means. That is, the invention according to claim 1 is a foil stamping device that forms a bar code by stamping a data plate provided on a spool around which a photographic film is wound,
A first supporting portion for supporting the spool movably in the axial direction in an upright position with the data plate up; and a biasing portion for the first supporting portion, which is applied to the data plate when performing foil pressing. A fixed holder having a cushion portion for equalizing the foil pressing force, and movable between an approaching position close to the fixed holder and a separating position away from the approaching position; The second part which moves to enter under the data plate and supports the spool movably in the axial direction.
A foil stamping device, comprising: a movable holder having a support portion.

According to a second aspect of the present invention, a data plate provided on a spool around which a photographic film is wound is pressed with a transfer plate to form a bar code, and the data plate is set up with the data plate facing upward. A first support portion for supporting the spool movably in the axial direction in a posture, a fixed holder having an urging portion for urging the first support portion upward, and an approach position close to the fixed holder. A second supporting portion movable between the approach position and the separated position away from the approach position, and moves to the approach position when performing foil pressing, enters under the data plate, and supports the spool movably in the axial direction. And a movable holder having a vertical support portion that vertically supports the lower surface of the data plate when performing the foil pressing, and the transfer plate makes the foil pressing force applied to the data plate uniform when performing the foil pressing. Bullet A foil stamping device characterized by being formed of a conductive material.

In the invention according to claim 3, the material of the transfer plate is a heat-resistant rubber.

[0010] The invention according to claim 4 is that the transfer plate comprises:
Assuming that the height of the convex portion of the plate pressing the foil against the data plate is H and the amount of deformation of the convex portion in the height direction when performing the foil pressing is L, the deformation amount L is 0.4H to 0.8H. The foil stamping device according to claim 2 or 3, wherein

According to a fifth aspect of the present invention, there is provided a foil pressing apparatus for forming a bar code by performing foil pressing on a data plate provided on a spool for winding a photographic film by using a transfer plate.
A fixed support having a first support portion for supporting the spool movably in the axial direction with the data plate up, and a biasing portion for biasing the first support portion upward, It is movable between an approaching position close to the fixed holder and a separating position away from the approaching position, moves to the approaching position when performing foil pressing, enters under the data plate, and moves the spool in the axial direction. A second support portion that movably supports, and a movable holder that has a vertical support portion that vertically supports the lower surface of the data plate when performing the foil stamping, the transfer plate, when performing the foil stamping, A foil stamping device comprising an elastic member for making the foil pushing force applied to the data plate uniform.

According to a sixth aspect of the present invention, in the foil pressing apparatus according to any one of the first to fifth aspects, the plurality of spools are supported and each of the data plates is subjected to foil pressing.

According to a seventh aspect of the present invention, there is provided a foil pressing method for forming a bar code by performing foil pressing on a data plate provided on a plurality of spools around which a photographic film is wound with a transfer plate. The spool is movably supported in the axial direction with the data plate facing up by the first support portion urged upward by the first support portion, and the second support portion of the movable holder approaches the fixed holder. And the second support portions are respectively inserted under the respective data plates, and the respective spools are movably supported in the axial direction. Thereafter, the transfer plate is lowered to apply the foil pressing force applied to the data plate. A foil stamping method characterized in that the foil is stamped uniformly by the cushion portion.

According to an eighth aspect of the present invention, there is provided a photographic film cartridge having a data plate on which a bar code is formed by performing a foil pressing by the foil pressing apparatus according to the first aspect.

According to a ninth aspect of the present invention, there is provided a photographic film cartridge having a data plate on which a bar code is formed by performing a foil pressing by the foil pressing apparatus according to the second aspect.

According to a tenth aspect of the present invention, in the transfer plate, the height of the convex portion of the plate for pressing the foil against the data plate is H,
10. The photographic film cartridge according to claim 9, wherein the amount of deformation L is 0.4H to 0.8H, where L is the amount of deformation of the convex portion in the height direction when the foil is pressed.

According to an eleventh aspect of the present invention, a data plate provided on a spool for winding a photographic film is foil-pressed and rotated in a camera, and film sensitivity and photographing are performed by a sensor fixed to the camera. In a photographic film cartridge having a bar code for reading the formation of film data such as the number of sheets, h = 0.1 mm or less, where h is the thickness of the pattern formed by the bar code foil from the data plate surface. A photographic film cartridge, characterized in that:

In the invention according to claim 4 or 10, the deformation L is preferably from 0.55H to 0.75H.
H.

Further, in the invention according to claim 11,
The thickness h of the pattern from the data plate surface is preferably 0.08 mm or less.

[0020]

Embodiments of the present invention will be described with reference to the drawings. Prior to the description of the embodiments of the present invention, a configuration and an assembling process of a photographic film cartridge will be described with reference to the drawings. As shown in FIG. 2, the cartridge main body 10 has an upper case 1 made of plastic.
1 and a lower case 12. A spool 13 is rotatably housed inside the cartridge body 10,
A photographic film 14 is wound around the spool 13 in a roll shape. Both end surfaces of the spool 13 are exposed from the cartridge body 10. Key holes 13a and 13 for rotating the spool 13 from outside are provided on both end surfaces thereof.
b is formed.

Each of the upper and lower cases 11 and 12 has a substantially semi-cylindrical shape, and a port portion 15 is formed to project from a part thereof. Upper case 11 and lower case 12
The light-shielding lid 16 is rotatably fitted in the port portion 15 at the time of engagement.

Openings are formed in the disks 19 and 20, respectively, and the spools 13 are inserted into the respective openings to be fitted into predetermined positions of the spools 13 so as to be rotatably mounted on the spools 13.

A data plate 21 is fixed to the spool 13. The data plate 21 is composed of a small-diameter portion 21a formed by cutting out a part of a disk having a diameter substantially equal to that of the disks 19 and 20 in the circumferential direction, and a remaining large-diameter portion 21b. A bar code 22 is formed on the surface of the large diameter portion 21b. This barcode 22 is a high-level pattern 22
a and a low-level pattern 22b. The combination of the pattern width along the circumferential direction of the large-diameter portion 21b and the pattern interval, for example, the sensitivity of the stored photographic film 14, , And the negative specified number, and information such as the film type such as negative or positive.

The high level pattern 22a is formed by hot stamping a foil having a high reflectance. For the low level pattern, the surface color of the large diameter portion 21b is used as it is. For this reason, it is formed with a color with low reflectance or surface roughness. The bar code 22 is photoelectrically detected through a window 23 formed on the side surface of the cartridge body 10 when the spool 13 is not rotated. As a result, the type information, the number of shots, and the like of the photographic film 14 stored in the cartridge body are electrically detected. The spool lock component 24 prevents the spool 13 from rotating when the light shielding cover 16 is rotated to the closed position.

Next, in a schematic assembling process of the photographic film cartridge, as shown in FIG. 3, a bar is formed on the data plate in a bar code forming process 35 as shown in FIG. Here, the disk is attached and assembled into the cartridge body. The assembled cartridge body is sent to the photographic film winding step 32.

On the other hand, in the processing of the photographic film, the roll-shaped photographic film is pulled out, and a photographic film punching step 33 is performed.
And a photographic film cutting step 34. In the photographic film winding step 32, the photographic film processed to the specified number of sheets in the cutting step is fed, and the photographic film is wound into the cartridge body to complete the photographic film cartridge.

(Embodiment 1) A foil pressing apparatus and method according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is an explanatory view showing an outline of a foil stamping apparatus (1), FIG. 4 is an explanatory view showing an outline of a barcode forming process of the foil stamping apparatus (1), and FIG. FIG.

In FIG. 4, the index table 51 includes:
The fixed holders 50 are respectively arranged on a plurality of pallets arranged at a predetermined pitch along the circumferential direction. The fixed holder 50 supports two spools 13. Each spool 13 supported by the fixed holder 50 is sent to a spool supply step 55, a hot stamping step 52, and a spool discharge step 57 in this order by intermittently rotating the index table 51 clockwise. .

In the spool supply step 55, the spool 13
Is supplied to the index table 51. In the hot stamping step 52, a foil stamping film 76 is stamped on each data plate using a transfer plate 77A to form a bar code (see FIG. 1).

In the spool discharge step 57, a discharger 59 is provided, and the discharger 59 conveys to a next photographic film cartridge assembling step (not shown) with the spool 13 standing by the discharge conveyor 58.

As shown in FIGS.
Denotes a fixed base 56, a shaft 502, a compression spring 503, a bearing 50
4, the fixed shaft 53, the fall prevention walls 54A, 54B and the like. The fixed base 56 is fixed to the index table 51. A shaft 502 is provided on the fixed base 56,
02 and the first support member 5 integrated with the bearing 504
01. The fixed shaft is fixed to the first support member 501. The first support portion is a member that supports the spool 13, and includes a fixed shaft 53, a first support member 501, and a fall prevention wall 54.
A, 54B. Compression spring 503 as a cushion part
Is built into the shaft 502 and urges the first support member 501 upward. The key hole 13b of the spool 13 is formed in the fixed shaft 53. The two spools 13 are supplied to the fixed shaft 53 by the transfer machine 43 shown in FIG. As a result, each spool 13 is set upright with the data plate 21 up. Fall prevention walls 54A, 54B
When the spool 13 is held, the spool 13 allows the spool 13 to move in the axial direction and prevents the spool 13 from falling in a direction perpendicular to the axial direction.

Next, as shown in FIGS. 1 and 5, the movable holder 60 is composed of a movable base 63, second support members 61 and 62, and the like. The movable table 63 includes second support members 61 and 62.
Is fixed. The second support member 61 includes a second support portion 611.
Is provided. The movable base 63 is a guide rail 6 fixed along the radial direction of the index table 51.
4 and is moved by the drive means 65 at two positions between a position close to the fixed holder and a position away from the fixed holder. As the driving means 65, a cylinder or the like is used.

As shown in FIG. 5, the foil-pressed film feeding means 72 and the foil-pressing film feeding means 72 first drive the motor 74 to drive the take-up reel 7.
5 is rotated in the winding direction, and the roll-shaped foil-pressed film 76 is pulled out in a belt shape right above the data plate 21 of the spool 13 held by the fixed holder 50. The foil-pressed film 76 has a width longer than the arrangement of the two spools 13, and is wound on a take-up reel 75 after the foil-pressing.

Next, the foil stamping means 73 is constituted by one hot stamp, and foil-presses the transfer plate 77A toward each data plate 21 via the foil stamping film 76 and holds the transfer plate 77A at the first support portion. A bar code is formed on the two spools 13 at the same time. The foil-pressed film 76 is obtained by coating a support with a release layer, an adhesive layer, a metal deposition layer, and an adhesive layer in this order. The foil is pressed from the support side, transferred to the data plate 21, and the support is recovered. You. The transfer plate 77A is a letterpress plate. In addition, as the metal deposition layer of the foil-pressed film 76, aluminum or the like is preferable.

Here, the operation of the foil pressing device (1) is shown in FIG.
This will be described with reference to FIGS. First, in FIG.
Supplies the spool 13 from the spool hopper 41 to the transfer machine 43 via the transport shooter 42. The transport shooter 42 supplies the spool 13 to the transfer position of the transfer machine 43 with the data plate 21 of the spool 13 standing upright. The transfer machine 43 passes through the conveyor 44 with the phase in the rotation direction of the spool regulated by a method (not shown).
The spool 13 is transferred to the fixed holder 50 located at the spool supply step 55.

In FIG. 5, each spool 13 is transferred from the vertical direction to the fixed shaft 53, and the key hole 13b is fitted into this. At this time, the upper surface of the data plate 21 is placed on the fall prevention wall 54A,
It is the same height as the upper surface of 54B.

Here, the controller 81 (FIG. 4) moves the movable holder 60 to a position where the index table 51 approaches. By this movement, the second support portions 611 enter under the data plates 21 of the two spools 13, respectively.

When the movable holder 60 completes the movement, the driving means 65 sends a movement completion signal to the foil pushing means 73. The foil pressing means 73 receives this signal, lowers the transfer plate 77A, and presses the transfer plate 77A via the foil press film 76 onto each of the data plates 21 for a predetermined time. At this time,
The compression spring 503 serving as a cushion unit makes the foil pressing force uniform. Then, the foil pressing means 73
Releases the pressing of the transfer plate 77A, and sends a work completion signal to the control unit 81 (FIG. 4).

The control section 81 (FIG. 4) receives this and rotates the index table 51 intermittently to send the foil-pressed spool 13 to the spool discharging step 57. During this time,
The foil-pressed film feeding means 72 shown in FIG. 5 feeds the foil-pressed film 76 by a predetermined amount. The breakdown of the cycle time in the hot stamping process is shown below.

Transfer time of index table-0.
4 seconds, transfer plate descent time-0.4 seconds Foil pressing time-0.4 seconds (transfer plate heater temperature is 150
° C to 200 ° C, preferably 155 ° C to 170 ° C) Cooling time-1.0 second (preferably 0.3 to 1.0)
(Second) Rise time of transfer plate-0.4 second After the index table 51 is intermittently rotated, the controller 81 sends a preparation completion signal to the discharger 59 in the spool discharge process 57. In response to this, the discharger 59 simultaneously handles two spools 13 from the fixed holder 50 and discharges the spool 13 to the discharge conveyor 58. As described above,
The pattern on the data plate is stamped.

(Embodiment 2) A foil pressing apparatus according to an embodiment of the present invention according to claims 2, 3, 4, and 6 will be described with reference to the drawings. FIG. 6 is a front sectional view of a main part configuration of the foil stamping device (2), and FIG. 7 is a side sectional view of FIG. The same members mechanically and functionally as those in the first embodiment are denoted by the same reference numerals, and a description thereof will be partially omitted.

In FIGS. 6 and 7, the transfer plate 77B is attached to the plate gripping member 7.
Positioned by 11 and 712 and fixed by screws 713. The transfer plate 77B is a plate formed of a heat-resistant rubber material and transferring the foil-pressed film 76 to the data plate 21. Further, as shown in FIG. 10, the height of the projection 78 of the transfer plate is H
Assuming that the amount of deformation in the height direction of the convex portion when performing foil pressing is L as shown in the figure, L = 0.4H to 0.8H
It is.

Further, the urging portion 505 is provided for the first support member 50.
1 is urged upward, and the spool 13 is lifted upward by the fixed shaft 53 provided on the first support member 501. The vertical support portion 612 of the second support member 61 supports the lower surface of the data plate 21 in the vertical direction when performing the foil pressing.

Next, a hot stamping process different from the first embodiment will be described. The movable holder 60 is the fixed holder 50
Side, and the second support portion 611 enters below the data plate 21 of the spool 13. Next, the foil pushing means 73 descends, and the transfer plate 77B pushes the foil pushing film 76. Then, the data plate 21 descends against the urging portion 505, and the data plate 21
Is received by the vertical support portion 612 and is foil-pressed on the data plate 21. The transfer plate 77B is made of an elastic material, and as shown in FIG. 7, for example, even if there is a variation in the height of the two data plates 21, the foil pressing force is uniform and the foil is pressed. As described above, the barcode can be reliably stamped on the data plate.

(Embodiment 3) A foil pressing apparatus according to an embodiment of the present invention will be described with reference to the drawings. FIG. 8 is a front sectional view of a main part configuration of the foil stamping device (3), and FIG. 9 is a side sectional view of FIG. Members that are mechanically and functionally the same as those in Embodiments 1 and 2 are given the same reference numerals, and a description thereof is partially omitted.

In FIGS. 8 and 9, the transfer plate 77C is formed by a transfer plate portion 771C having a convex portion and an elastic member 79C on an upper portion thereof. The transfer plate 77 </ b> C is positioned by the plate holding member 711, and is fixed by screws 713. Transfer plate part 7
71C is made of SKD material or the like, and the elastic member 79C is, for example, a heat-resistant rubber material. The urging unit 505 has a function similar to that of the second embodiment.

Next, the hot stamping process will be described.
The movable holder 60 moves to the fixed holder 50, and the second support 611 enters below the data plate 21 of the spool 13.
Next, the foil pressing means 73 descends, and the transfer plate 77C presses the foil pressing film 76. Then, the data plate 21 is moved to the urging portion 5.
5, the lower surface of the data plate 21 is received by the vertical support portion 612 of the second support member 61 and is foil-pressed. The transfer plate 77C has an elastic member 79C, and as shown in FIG. 9, even if there is a variation in the height of the two data plates 21, for example, the foil pressing force is uniform and the foil is pressed. As described above, the barcode can be reliably stamped on the data plate.

(Embodiment 4) A photographic film cartridge according to an embodiment of the present invention will be described with reference to the drawings.

First, a description will be given of a foil pushing device for a data plate incorporated in a photographic film cartridge. As the foil pressing device, the device shown in FIGS. 1 and 5 (Embodiment 1) is used.

Next, the foil stamping of the data plate is performed by the above-described foil stamping device. As shown in FIG. 11, when the thickness of the high-level pattern 22a from the surface of the data plate 21 is h, h = 0.1 mm or less. To manufacture. Then, it is assembled by the photographic film cartridge assembling step shown in FIG.

The completed photographic film cartridge is a cartridge in which the data plate 21 shown in FIG. 2 is processed and incorporated by the above method.

As described above, according to the photographic film cartridge of the present invention, the reading of the bar code on the camera side is accurately performed.

(Embodiment 5) A photographic film cartridge according to an embodiment of the present invention will be described with reference to the drawings.

First, a description will be given of a foil stamping device for a data plate incorporated in a photographic film cartridge. The foil stamping device uses the device shown in FIG. 6 (Embodiment 2).
The transfer plate 77B is a plate made of an elastic material that makes the foil pressing force applied to the data plate 21 uniform when performing the foil pressing.

The foil stamping of the data plate is performed by using the above-described foil stamping apparatus, as shown in FIG. 10, where the height of the projection 78 of the transfer plate is H, and the height of the projection when the foil stamping is performed. Assuming that the deformation amount is L, the deformation amount L is 0.4H to 0.8H. Then, the photographic film cartridge is assembled by the assembling process shown in FIG.

The completed photographic film cartridge is a cartridge in which the data plate 21 shown in FIG. 2 is processed and incorporated by the above method.

As described above, according to the photographic film cartridge of the present invention, the reading of the bar code on the camera side is accurately performed.

[0058]

【Example】

(Embodiment 1) An embodiment according to claim 10 will be described. As shown in FIG. 10, experiments such as pattern reading accuracy and foil peeling were performed by changing the amount of deformation L of the projections of the transfer plate.

The foil pressing device (2) shown in FIG. 6 is used for the data plate. The material of the projection 78 of the transfer plate shown in FIG. 10 is silicon rubber, and the height H of the projection is 0.6 mm. The working surface temperature is 146 ° C. The foil stamping time is 0.8 seconds, the thickness of the adhesive layer of the foil stamping film is 2 to 3 microns, and the thickness of the evaporated aluminum layer is 500 angstroms.

The sample was a polystyrene data plate and was prepared by changing the amount of deformation L (FIG. 10). The evaluation scale is a three-stage evaluation of foil peeling of (good), Δ (slightly poor), and × (bad), and the accuracy of pattern reading. In the three-step evaluation of the foil peeling, in FIG. 3, if the portion A of the high-level pattern has no foil peeling and the hatched portion B has the foil peeling, the high-level pattern 221a is good, and the high-level pattern 222a is slightly defective. High level pattern 223
a to 225a are defective. The pattern reading / measuring device read the barcode on the data plate with a reflection type optical sensor and observed the waveform with an oscilloscope. here,
Table 1 shows the experimental results.

[0061]

[Table 1]

As shown in Table 1, the deformation amount L of the convex portion of the transfer plate was obtained.
From 0.4H to 0.8H, the reading accuracy of the high-level pattern of the data plate, the peeling of the foil, and the like were good. The deformation amount L was 0.4H to 0.8H and was within 25% of the predetermined high level pattern width.

(Embodiment 2) An embodiment according to claim 11 will be described. Experiments such as pattern reading accuracy and foil peeling were performed by changing the thickness of the high-level pattern on the data plate.

The foil stamping device for the data plate uses the foil stamping device (3) shown in FIG. 8, and the material of the convex portion of the transfer plate is SKD.
The height H of the projection is 1.5 mm, and the surface temperature used is 156 ° C. The foil stamping time is 0.8 seconds, the thickness of the adhesive layer of the foil stamping film is 2 to 3 microns, and the thickness of the evaporated aluminum layer is 500 angstroms.

As shown in FIG. 11, the sample was a data plate of a polystyrene material, and was prepared by changing the thickness h including the protruding portion 226a of the edge of the high level pattern 22a.

The evaluation items are pattern reading accuracy, foil peeling, and the like. The same pattern reading and measuring apparatus as in Example 1 was used. As shown in FIG. 12, the evaluation scale of the foil peeling is performed in five steps, and the foil of the high-level pattern 22a is evaluated in a peeling state. The breakdown is as follows. The high level pattern 221a has no foil peeling, 2
22a is a little foil peeling, 223a is a foil peeling 1/4 or more, 224a is a foil peeling 1/3 or more, 225a is 1/2
That is all. Here, the experimental results are shown in Table 2.

[0067]

[Table 2]

As shown in Table 2, the thickness h of the high-level pattern 22a of the bar code on the data plate was 0.1 mm or less, which was good.

In the first, second and third embodiments, two spools are arranged and they are simultaneously foil-pressed. However, the present invention does not limit the number of spools to be foil-pressed. One may be sufficient. Further, although the pallets are circulated infinitely by the index table, a plurality of pallets may be conveyed on a linear line to form bar codes continuously.

[0070]

According to the structure described above, the following effects can be obtained. According to the first aspect of the present invention, it is possible to prevent defects such as chipping of the data plate and occurrence of burrs from the foil edge, and to shorten the time for pressing the foil.

According to the second and third aspects of the present invention, it is possible to prevent defects such as chipping of the data plate and occurrence of burrs from the edge of the foil, and to shorten the time for pressing the foil.

According to the fourth aspect of the invention, the foil-pressed high-level pattern becomes uniform, the swelling of the foil is reduced, and the error with respect to the predetermined width of the pattern is reduced.

According to the fifth aspect of the present invention, it is possible to prevent defects such as chipping of the foil and generation of burrs from the foil edge, and shorten the foil pressing time.

According to the sixth aspect of the present invention, a plurality of spools can be processed at the same time, and the foil pressing time can be reduced.

According to the seventh aspect of the present invention, a plurality of spools can be processed at the same time, defects such as chipping of the foil and generation of burrs from the foil edge can be prevented, and the time required for the foil pressing can be shortened. According to the invention described in No. 8, there are no defects such as the occurrence of burrs and foil peeling from foil chips and foil edges,
The reading of the barcode formation after loading into the camera is accurate, and false detection of reading by the camera is eliminated.

According to the ninth aspect of the present invention, there are no defects such as chipping of the foil and occurrence of burrs and peeling of the foil from the foil edge.
Barcode formation reading after loading into the camera becomes accurate. Further, erroneous detection of reading by the camera is eliminated.

According to the tenth aspect of the present invention, the high-level pattern pressed by the foil becomes uniform, the swelling is small, and the error of the high-level pattern with respect to the predetermined width is reduced.

According to the eleventh aspect of the present invention, the thickness of the data plate from the surface of the data plate including the raised portion of the high-level pattern is set to 0.1 mm or less.
There is little swelling of the foil, and false detection of reading by the camera is eliminated.

[Brief description of the drawings]

FIG. 1 is an explanatory view schematically showing a foil pressing device (1).

FIG. 2 is an exploded perspective view of the photographic film cartridge.

FIG. 3 is an explanatory view schematically showing a photographic film cartridge assembling step.

FIG. 4 is an explanatory view showing an outline of a barcode forming step of the foil pressing apparatus (1).

FIG. 5 is a front sectional view showing a configuration of a main part of the foil pressing device (1).

FIG. 6 is a front sectional view showing a configuration of a main part of the foil pressing device (2).

FIG. 7 is a side sectional view of FIG. 6;

FIG. 8 is a front sectional view showing a configuration of a main part of the foil pressing device (3).

FIG. 9 is a side sectional view of FIG. 8;

FIG. 10 is an explanatory diagram of a height of a convex portion of a transfer plate and an amount of deformation of the convex portion.

FIG. 11 is an explanatory diagram of the thickness of a foil-pressed high-level pattern.

FIG. 12 is an explanatory diagram of foil strip evaluation of a data plate.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Cartridge main body 13 Spool 13a, 13b Key hole 21 Data plate 21a Small diameter part 21b Large diameter part 22 Barcode 22a High level pattern 22b Low level pattern 35 Barcode forming process 50 Fixed holder 501 First support member 502 Axis 503 Compression spring Cushion part) 505 Spring (biasing part) 51 Index table 52 Hot stamping step 53 Fixed shaft 54A, 54B Fall prevention wall 60 Movable holder 61, 62 Second support member 611 Second support part 612 Vertical support part 72 Foil-pressed film feeding Means 73 Foil pressing means 76 Foil pressed film 77A, 77B, 77C Transfer plate 79C Elastic member

Claims (11)

[Claims] 1. A foil stamping device for stamping a data plate provided on a spool around which a photographic film is wound to form a bar code, wherein the spool is axially movable in an upright position with the data plate up. A first supporting portion for supporting;
A fixed holder having a cushion portion for urging the first support portion upward to equalize the foil pressing force applied to the data plate when performing the foil pressing; an approach position close to the fixed holder; and the approach position A movable portion having a second support portion that moves to the approach position when performing foil pressing, enters under the data plate, and supports the spool movably in the axial direction. A foil stamping device comprising: a holder; 2. A foil stamping device for stamping a data plate provided on a spool around which a photographic film is wound with a transfer plate to form a bar code, wherein the data plate is turned up and the spool is axially moved in an upright position. A fixed holder having a first support portion movably supporting the first support portion and an urging portion for urging the first support portion upward, an approach position close to the fixed holder, and a distance from the approach position. A second support portion that is movable between the separated position and moves to the approach position when performing foil pressing, enters under the data plate, and supports the spool so as to be movable in the axial direction; A movable holder having a vertical support portion that vertically supports the lower surface of the data plate, and the transfer plate is formed of an elastic material that makes the foil pressing force applied to the data plate uniform when performing foil pressing. Is A foil stamping device characterized by the above-mentioned. 3. The foil stamping device according to claim 2, wherein the material of the transfer plate is a heat-resistant rubber. 4. When the height of the convex portion of the plate for pressing the foil against the data plate is set to H and the amount of deformation of the convex portion in the height direction when performing the foil pressing is set to L, the transfer plate is deformed. The quantity L is 0.4H
The foil stamping device according to claim 2 or 3, wherein the pressure is from 0.8 to 0.8H. 5. A foil stamping device for stamping a data plate provided on a spool for winding a photographic film with a transfer plate to form a bar code, wherein the spool is moved in the axial direction with the data plate up. A fixed holder having a first support portion that movably supports the first support portion and an urging portion that urges the first support portion upward, a close position close to the fixed holder, and a separation away from the close position And a second support portion that moves to the approach position and enters under the data plate when performing foil stamping, and supports the spool movably in the axial direction. A movable holder having a vertical support portion for vertically supporting the lower surface of the data plate, wherein the transfer plate has an elastic member for equalizing a foil pressing force applied to the data plate when performing foil pressing. To Characterized foil stamping device. 6. The data plate according to claim 1, wherein a plurality of spools are supported, and each of the data plates is subjected to foil stamping.
The foil stamping device according to any one of the above items. 7. In a foil stamping method for forming a bar code by stamping a data plate provided on a plurality of spools around which a photographic film is wound with a transfer plate, a cushion portion provided in a fixed holder urges the data plate upward. The first support portion supports the spool movably in the axial direction with the data plate up, and moves the second support portion on the movable holder to a position close to the fixed holder to move the spool. The second support portion is inserted under each data plate, and each spool is movably supported in the axial direction. Then, the transfer plate is lowered to make the foil pressing force applied to the data plate uniform by the cushion portion, and the foil pressing is performed. A foil pressing method. 8. A photographic film cartridge having a data plate on which a bar code is formed by performing foil pressing by the foil pressing apparatus according to claim 1. 9. A photographic film cartridge having a data plate on which a barcode is formed by performing foil pressing by the foil pressing apparatus according to claim 2. 10. The transfer plate, wherein the height of the convex portion of the plate pressing the foil against the data plate is H, and the amount of deformation of the convex portion in the height direction when the foil is pressed is L, The deformation L is 0.
The photographic film cartridge according to claim 9, wherein the pressure is 4H to 0.8H. 11. A data plate provided on a spool around which a photographic film is wound is foil-pressed and rotated in a camera.
In a photographic film cartridge having a bar code for reading the formation of film data such as the number of shots,
A photographic film cartridge wherein h = 0.1 mm or less, where h is the thickness of the pattern formed by the barcode foil from the data plate surface.