JPH0436879B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Application and Summary of the Invention) The present invention relates to a method for manufacturing an album mount, particularly a pocket-type album mount.

In addition, this invention replaces the conventional method of manually setting a bag and a backing sheet for each leaf and then welding them to form a pocket part, into a belt-shaped bag with cutouts at intervals corresponding to one backing sheet. This method attempts to manufacture an album mount by covering a sheet with a double-folded covering film from the front and back, fusing the covering film at the notch, and then dividing the mount into individual mounts. This makes it possible to produce mounts for style albums in a connected manner.

(Prior art and its problems) As a mount for a pocket-type album, the one described in Japanese Utility Model Publication No. 13674/1983 has already become popular, but this one has a mount sheet 1 as shown in Figures 5 and 7. A transparent bag-shaped covering film 2 is placed over the mount sheet, and the front and back covering films are welded together through through holes 11, 11 provided in the mount sheet.

Conventionally, as shown in FIG. 6, this album mount is made by covering a mount sheet 1 that has been printed and punched out in a predetermined manner with a transparent band-shaped covering film 2 that fits the pocket portion 20 of the mount sheet. Thereafter, the portions corresponding to the through holes 11, 11 for welding provided in the middle are heated from the front and back to weld the front and back covering films to each other, thereby integrating the covering film 2 and the backing sheet 1. As a result, through hole 1
Part welded through 1 and 11 (center welded part)
A pocket portion 20 is formed between each other and between the central welded portion and the upper or lower side, and a photograph or the like A can be inserted into this pocket portion.

However, in this conventional manufacturing method, the work of inserting the mount sheet 1 into the bag-shaped covering film 2 is
There was a problem in that it had to be done manually, resulting in poor productivity.

As a solution to such problems, the Japanese Patent Application Publication No.
There is a proposal in No. 58-219098, and in this method, a strip sheet 1 in which backing sheets 1 and 1 are continuous in the longitudinal direction is proposed.
0 is run, and in this running area, a predetermined area of the band-shaped sheet 10 is covered with the covering film 2 folded in half, and the required area is welded to form the pocket part 20,
After forming the mount sheet 20, it is divided into one mount sheet 1, 1. Therefore, according to this prior art method, while the strip-shaped sheet 10 passes through the covering section, welding section, and dividing section of the punching section 2, the strip-shaped sheet 10 corresponding to the width of one backing sheet 1 is cut into the pocket portion 20. , 20, and these mount sheets 1, 1 can be continuously produced.

However, with this conventional method, the product lacks stability and the belt-shaped sheet 10 lacks running stability, resulting in insufficient production efficiency.

This is due to the following reason.

In this conventional device, notch holes 5, 5 are provided at locations corresponding to the dividing positions of the belt-shaped sheet 10. In order to improve the finish of the product, it is necessary to set the notch hole 5 so as to cover the entire width of the covering area of the covering film 2. Therefore, in this conventional device, in the covering area of the covering film 2, a long hole having a length ranging from the edge of the mount sheet 4 on the binding side to the vicinity of the opposite side edge of the band-shaped sheet 10 is cut out. The hole is designated as 5. Therefore, in the area where the notch hole 5 is formed, there is a certain area on the binding side of the backing sheet 1 (the binding side connection part) and a very small part of the covering side end of the covering film 2 (the covering side connection part). Thus, only one mount sheet 1 is connected to each other.

By the way, when the belt-shaped sheet 10 is run in the longitudinal direction in the production process, the belt-shaped sheet 10 is pulled by the rolls provided in each section, and the tension at this time is enough to cause the area where the notch holes 5 are formed to be stretched. It concentrates on both ends, that is, the covering side connecting part and the binding side connecting part. However, there is a large difference in the width of the connecting portion between the two, and there is a risk that the covering side connecting portion will be cut off when the belt-shaped sheet 10 is traveling, and this situation cannot be avoided. As a result, the belt-like sheet 10 no longer runs linearly, causing a misalignment between the running position of the folded covering film 2 and the running position of the belt-like sheet 10, resulting in defects in the pocket parts 20, 20.

If the length of the notch hole 5 is shortened to ensure a sufficient width of the connecting part on the covered side, the above-mentioned positional shift can be prevented, but in this case, the pocket located at the dividing part A long non-welded portion is formed at the edge of the portion 20, and in this case as well, the finished product becomes unsatisfactory.

(Technical Problem) The present invention is directed to ``covering an area corresponding to the pocket portion 20 with a covering film 2 folded in half from the side edge of a band-like sheet 10 having a welded portion for welding the front and back covering films 2 to each other. After that, required parts of the covering film 2 are welded to form pocket parts 20, 20.
and then dividing it into lengths of one mount sheet 1 to form the mount sheet 1, which improves the finish of the product and improves the running stability of the strip-shaped sheet 10 in the production process. The challenge is to improve productivity by

(Technical Means) The technical means of the present invention taken to solve the above problems is as follows. The welded portion of the film 2 is opened to the side of the band-like sheet 10 at both end positions corresponding to the length in the longitudinal direction of one mount sheet 1 and the through holes 11 located between the pocket portions 20 and 20. It consists of notches 12, 12, and these through holes 11,
11 and notches 12, 12 are arranged symmetrically on both sides of the belt-shaped sheet 10, and the cut depth of each notch 12 is set to be equal to or longer than the length of the covering area of the covering film 2, so that the cut-out parts 12, 12 are arranged symmetrically on both sides of the belt-shaped sheet 10, and the cut depth of each notch part 12 is set to be equal to or longer than the length of the covered area of the covering film 2, and After covering with the covering film 2 folded in half, the through hole 11 is
A step of welding the front and back covering films 2 to each other corresponding to the above, a step of fusing the covering films 2 to each other corresponding to the cutout portion 12, and a step of welding the covering films 2 to each other corresponding to the notch portion 12, and a step between the notch portions 12 and 12 facing each other after this welding and fusing step. The method includes a step of crossing the connecting portion, and a step of slitting the width center portion of the belt-shaped sheet 10 before the crossing step.

(Operation) The above technical means of the present invention operates as follows.

The belt-shaped sheet 10 is formed with through-holes 11, 11 and notches 12, 12, of which at least the notches 12, 12 are arranged symmetrically so as to open on both sides of the belt-shaped sheet 10, Band-shaped sheet 1
Continuous at regular intervals in the longitudinal direction of 0. Therefore,
When the belt-shaped sheet 10 is run in a manner that applies tension, the notches 12 and 1 are opposite to each other.
The tension will be concentrated at the connecting portion between the two, but this connecting portion is located at the center of the strip sheet 10, and the tension will be concentrated at the connecting portion between the two sheets. This is the non-coverage area width. Therefore, even if the belt-shaped sheet 10 is run with tension applied as described above, the portion between the notches 12 and 12 that are continuous in the longitudinal direction (the portion where no tension is applied) will be smaller than the portion where the tension is applied. It becomes symmetrical. Therefore, the belt-shaped sheet 10 travels in a state where straightness is ensured. Furthermore, since the width of the connecting portion is sufficient, the connecting portion exhibits sufficient strength when running under tension.

Covering films 2, 2 folded in half from both sides of the belt-shaped sheet 10 running under the above conditions cover required areas on both ends of the belt-shaped sheet 10, and then the required portions are located on the front and back sides of the through holes 11, 11. The covering films 2, 2 are welded to each other, and the notch 1
The portions corresponding to 2 and 12 are fused and cut across the notches 12 and 12. Since the belt-like sheet 10 is slit at the center and vertically divided before this crossing process, two mount sheets 1, 1 are completed at the end of the crossing process.

In this completed state, both ends in the longitudinal direction of the covered area of the covering film 2 on the backing sheet 1 have notches 12.
Since the cover film 2 is fused at a location corresponding to , the double-folded covering film 2 is welded over the entire width thereof, and no non-welded portion occurs in this welded portion.

(Effects) Since the present invention has the above configuration, it has the following unique effects.

The belt-shaped sheet 10 runs in a state where straightness is ensured, and the belt-shaped sheet 10 runs in a state where the connection between the notches 12 and 12 exhibits sufficient strength, so the running stability of the belt-shaped sheet 10 is ensured. The covering films 2, 2 are accurately covered at predetermined positions. Therefore, production stability is ensured and the coating film 2
No coating defects occur.

Further, since no non-welded portions are formed in the welded portions at both longitudinal ends of the covered area of the covering film 2 on the mount sheet 1, the finish of the product is improved in combination with the above-mentioned effects.

(Example) Hereinafter, an example of the present invention will be described based on FIGS. 1 to 4.

In this embodiment, as shown in FIG. 1, two mount sheets 1 and a band-like sheet 10 with a width of 1 minute are used.By combining the slitter 8, two album mounts can be made. Can be manufactured at the same time.

Therefore, the through holes 11, 11 and the binding holes 13, 13 are arranged symmetrically in the band-like sheet 10 so that the binding portions of the album mounts are joined to each other. Notches 12, 12 are cut into the notches 12, 12.
Therefore, the enclosed area is equivalent to two mount sheets. In this embodiment, as shown in FIG. 2, the rolled sheet 10 is made to travel in a fixed direction by feed rolls 3, 3 that pinch the connecting portion 14, and a punching device is installed along this traveling path. 4
is provided, and with this device, the above-mentioned through holes 11, 11, binding holes 13, 13 and notches 12,
12 are processed.

On the downstream side of the belt-shaped sheet 10 in the flow direction, a bifold transparent covering film 2 is attached to the belt-shaped sheet 1.
0, a welding device 6 that welds and cuts the covering films that correspond to the notches 12, 12, a welding device 7 that welds the parts that correspond to the through holes 11, 11, a band-shaped A slitter 8 that vertically divides the central portion of the sheet 10 into two, and cutouts 12, 12 located on both sides of the belt-shaped sheet 10.
Cutting devices 9 are arranged in this order to cut out the connecting portions 14 between the sheets and separate the mount sheets one by one.

The coating device section 5 runs the transparent coating film 2 wound into a roll along the side edge of the strip-shaped sheet 10 at right angles thereto, as shown in FIG. The structure is such that it is gradually folded into two to cover it. Here, in order to fold the guide plate 5 into two, a guide plate 5 having a diamond-shaped opening is used.
1 and a curved piece 52 for creating a crease in the center
(See Figure 4) Next, a fusing device 6, a welding device 7 and a slitter 8 are used.
Both have well-known configurations, and any known structure can be adopted as is.

The cutting device 9 consists of a punch 91 and a die 92, and the strip-shaped sheet 10 is set to run close to the upper surface of the die 92. A punch 91 with a cross-sectional shape that has a length larger than It is divided into mounts.

In order to make this dividing operation smooth, the belt-shaped sheet 10 and the covering films 2, 2 may be caused to run intermittently at this portion.

[Brief explanation of drawings]

1 is a schematic explanatory diagram of an embodiment of the present invention, FIG. 2 is a side view of the entire apparatus of the embodiment of the present invention, FIG. 3 is an explanatory diagram of the coating device section 5, and FIG. 4 is an explanatory diagram of the guide plate 51. , FIG. 5 is an explanatory diagram of a product to which the method of the present invention is applied, FIG. 7 is a sectional view taken along line XX, and FIG. 6 is an explanatory diagram of a conventional example. Band-shaped sheet, 11... Through hole, 12... Notch, 14
... Connecting portion, 2 ... Covering film, 6 ... Fusing device, 9 ... Cutting device.

Claims (1)

[Claims] 1 After covering the area corresponding to the pocket portion 20 with the covering film 2 folded in half from the side edge of the belt-like sheet 10 which has a welded part for welding the front and back covering films 2 to each other, the required amount of the covering film 2 is determined. The pocket parts 20, 20 are constructed by welding the parts,
Thereafter, in the method of forming the mount sheet 1 by dividing the mount sheet 1 into the length of one mount sheet 1, the width of the band-shaped sheet 10 is set to twice the width of the mount sheet 1, and the width of the band-shaped sheet 10 is set to be twice that of the mount sheet 1. The welded parts of the covering film 2 are attached to the sides of the belt-like sheet 10 at the through holes 11, 11 located between the pocket parts 20, 20 and at both end positions corresponding to the longitudinal length of one mount sheet 1. These through holes 11, 11 and the notches 12,
12 are arranged symmetrically on both sides of the belt-shaped sheet 10, the cut depth of each notch part 12 is set to be equal to or greater than the length of the covering area of the covering film 2, and the covering film is folded in half from both sides of the belt-shaped sheet 10. 2, the front and back covering films 2 corresponding to the through holes 11 are welded to each other, the covering films 2 corresponding to the notches 12 are welded to each other, and after this welding and fusing step, the covering films 2 are welded to each other. In the step of crossing the connecting portion between the facing notches 12 and 12, and before the crossing step, the band-shaped sheet 10
A method for manufacturing an album mount comprising the step of slitting the center width of the album.