JP2006185087A - Plastic bag manufacturing history confirmation device and plastic bag manufacturing history confirmation method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a plastic bag manufacturing history confirmation device capable of visually confirming a manufacturing state of a faulty plastic bag when the faulty plastic bag with a holes or a damage is produced, based on a manufacturing history number indicated on the faulty plastic bag. <P>SOLUTION: In the middle of a manufacturing line L of the plastic bag, a printing part 3 is prepared which prints the manufacturing history number A indicating at least manufacturing date(date of the year of manufacturing and manufacturing time) on each plastic bag. On one or a plurality of positions in the middle of the manufacturing line of the plastic bag, cameras K are disposed for imaging the manufacturing state. A recording device 7 is provided for recording, in a recording medium 70, the imaging date B (date of the year of imaging and imaging time) to be displayed on the video imaged by the camera. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a plastic bag manufacturing history confirmation device and a plastic bag manufacturing history which can check the manufacturing state of a defective plastic bag with a video when, for example, a defective product such as a plastic bag is found. Regarding the confirmation method.

Conventionally, a packaging bag in which manufacturing history information (such as a lot number) is displayed on a part of the bag is known (see Patent Document 1).
Thus, it is well known that manufacturing history information is displayed on a product and manufacturing information such as a manufacturing company name and a manufacturing date (manufacturing date and time) can be confirmed based on the manufacturing history information. Technology.

However, conventionally, the manufacturing information is simply read from the display of the manufacturing history information. For example, when a defective product occurs, the history of when, where, and on which machine the defective product is manufactured can be confirmed. However, the manufacturing state when the defective product occurs cannot be confirmed, and it is difficult to investigate the cause of the defective product and to grasp the number of defective products.
Japanese Patent Publication No. 2004-59044

  The present invention provides an image of the manufacturing state of a defective plastic bag based on the manufacturing history number displayed on the defective plastic bag, for example, when a defective product such as punching or breakage occurs in the plastic bag. It is an object of the present invention to provide a plastic bag production history confirmation device and a plastic bag production history confirmation method that can be confirmed by the above.

In order to solve the above problems, the plastic bag manufacturing history confirmation device of the present invention (Claim 1)
In the middle of the plastic bag production line, there is provided a date attaching part for attaching a production date display means for indicating at least the production date (manufacturing date and time) for each plastic bag,
Cameras that shoot the production status are placed at one or more locations along the plastic bag production line.
A video recording device for recording on a recording medium is provided so that at least the shooting date (shooting date and shooting time) is displayed on the video shot by the camera.

Moreover, the plastic bag manufacturing history confirmation device of the present invention (Claim 2)
In the plastic bag manufacturing history confirmation device according to claim 1,
The manufacturing date display means is at least a manufacturing history number representing the manufacturing date, and the dated portion is a printing unit that prints the manufacturing history number for each plastic bag.

Moreover, the plastic bag manufacturing history confirmation method of the present invention (Claim 3) is:
In the middle of the plastic bag production line, a date attaching part (printing part) is provided for attaching a manufacturing date display means (manufacturing history number) indicating at least the manufacturing date (manufacturing date and time) to each plastic bag. ,
Cameras that shoot the production status are placed at one or more locations along the plastic bag production line.
The video taken by the camera is recorded on a recording medium by a recording device, and at the time of the recording, the video is recorded so that at least the shooting date (shooting date and shooting time) is displayed.

Moreover, the plastic bag manufacturing history confirmation method of the present invention (Claim 4) is:
4. The plastic bag manufacturing history confirmation method according to claim 3, wherein a video scene including a manufacturing state of a specific plastic bag is selected from videos recorded on a recording medium by the recording device, and the selected video scene is changed to another video scene. In the embodiment, copying is performed on a recording medium.

Moreover, the plastic bag manufacturing history confirmation method of the present invention (Claim 5) is:
4. The plastic bag manufacturing history confirmation method according to claim 3, wherein a video scene including a manufacturing state of a specific plastic bag is selected from videos recorded on a recording medium by the recording device, and the selected video scene is distributed to the distribution device. It is set as the embodiment which was made to input and memorize | store and memorize | store the video scene memorize | stored according to the access from a user.

  In the plastic bag production history confirmation device and confirmation method of the present invention, for example, when a defective product such as a hole or a breakage occurs, the defective plastic is determined based on the production history number displayed on the defective plastic bag. The manufacturing state of the bag can be confirmed with a video, which makes it possible to investigate the cause of defective products and to determine the number of defective plastic bags.

FIG. 1 is an explanatory view of a garbage bag production history confirmation apparatus according to the present invention, and FIG. 2 is a perspective view of a roll-shaped garbage bag produced by a garbage bag production line to which this garbage bag production history confirmation apparatus is applied.
In this embodiment, as shown in FIG. 2, each garbage bag 10 constituting the roll-shaped garbage bag 1 is an example of a plastic bag.

A roll-shaped garbage bag 1 shown in FIG. 2 is a series of a large number (20 in the embodiment) of garbage bags 10 connected in series via a perforation line 11 and is attached to a long cylindrical film 12 at regular intervals. A welding seal 13 is formed on the surface, and a perforation line 11 is formed in the vicinity of the welding seal 13 and wound into a roll.
Therefore, by cutting from the cut line 11, the opening 14 is formed at the upper end, and the garbage bag 10 whose bottom end is closed by the welding seal 13 can be obtained.

A production history number A is printed for each garbage bag on each garbage bag 10 of the roll-shaped garbage bag 1.
The manufacturing history number A serves as a manufacturing date display means that represents at least the manufacturing date. The manufacturing date (manufacturing date and time) of the garbage bag 10, the manufacturing machine number, the name of the manufacturer, the manufacturer The number of different productions is displayed by numbers, in other words, by reading the manufacturing history number A, the manufacturing date (manufacturing date and time) of the garbage bag 10, the manufacturing machine number, the person in charge of manufacturing The number of products produced by name and person in charge of manufacturing is determined.

As shown in FIG. 1, the production line L for the roll-shaped garbage bag 1 includes a molding process 2 in which the raw material 20 is melted by a film molding machine 21 and molded into a long cylindrical film 12, and the molding process 2 is performed. A printing process 3 for printing a predetermined design or the like on the long cylindrical film 12 by the printing machine 30, and a welding seal 13 and a perforation line 11 on the long cylindrical film 12 that has undergone the printing process 3 by the bag making machine 40. A sealing process 4 for forming the sheet, a packaging process 5 for winding the long cylindrical film 12 that has undergone the sealing process 4 with a winder 50, and a weight inspection machine for determining the weight of the roll-shaped garbage bag 1 that has undergone the packaging process 5 A weighing process 6 to be inspected at 60 is provided.
A printing unit 4a for printing the manufacturing history number A is provided in the sealing step 4 as a date attaching unit for attaching the manufacturing history number A to each plastic bag.

Four cameras K for photographing the manufacturing state in each step are arranged in the molding step 2, the sealing step 4, the packaging step 5, and the weighing step 6 in the manufacturing line L.
Each of the four cameras K is connected to a recording device 7 (video deck or the like), and the video taken by each camera K is recorded on a recording medium 70 (for example, a magnetic tape) inserted into the recording device 7. It has become.
In this case, the video of each camera K is recorded on the recording medium 70, and at the same time, the shooting date B (the shooting date and shooting time) is displayed.

  The video of each camera K is displayed on each of the divided screens obtained by dividing one screen into four, and can be monitored simultaneously with the recording by the display 8 connected to the recording device 7.

The camera K can be a video camera or a digital camera, and is set to intermittently shoot one frame per second while the production line L is in operation.
As described above, when intermittent shooting is performed for one frame per second, the recording time per recording medium 70 can be extended, and management of the recorded recording medium is facilitated.

  In this way, the recorded recording medium 70 is stored for a predetermined period (for example, five years) with a notation that allows the recording date to be recognized from the outside, and can be taken out as necessary. is there.

Next, a method for confirming the manufacturing history of the garbage bag according to the present embodiment will be described.
On the trash bag 10 manufactured by the trash bag manufacturing line L, the manufacturing history number A indicating the manufacturing date (manufacturing date and time) is printed for each sheet by the printing unit 4a.

  The garbage bag production line L is provided with four cameras K for photographing the production state, and the images photographed by the cameras K display the photographing date B (the photographing date and time). Then, it is recorded on the recording medium 70 (magnetic tape or the like).

When a defective product such as perforation or breakage is found after the manufacture of the garbage bag 10 or after shipment, the manufacture is performed based on the manufacturing history number A displayed on the defective garbage bag. Read the date.
In this way, since the manufacturing date of the defective garbage bag is determined from the manufacturing history number A, if the recording medium 70 on which the video of the shooting date B corresponding to the manufacturing date is recorded is taken out and reproduced. The manufacturing state of the defective garbage bag can be confirmed by an image, and thus the cause of the defective product can be investigated.

In addition, the production of garbage bags usually involves several millions of one lot. If a defective garbage bag is generated here, whether it is only one or several tens of thousands, In order to prevent the confusion in manufacturing management, it is necessary to grasp the number of defects and the defect generation process, such as whether it occurred in the molding process 2 or the sealing process 4.
Even in such a case, according to the present invention, since the manufacturing state of the defective garbage bag can be confirmed by the video, it is possible to grasp the number of defective garbage bags generated in which process and by the video, and it is accurate. Manufacturing management can be performed.

Further, a video scene including a manufacturing state of a specific garbage bag, for example, a defective garbage bag, is copied from the video recorded on the recording medium 70 by the recording device 7 to another recording medium (for example, a DVD). Yes.
In this case, a video scene of about 10 minutes before and after the video of shooting date B corresponding to the manufacturing date of the defective garbage bag can be copied to another recording medium and saved as a manufacturing file for the defective garbage bag.
In addition, if necessary, a consumer who finds a defective garbage bag (user) can be provided with a recording medium in which a video scene including the manufacturing state of the defective garbage bag is copied. The production status of the garbage bag can be confirmed by video.

In addition, the video scene including the manufacturing state of the defective garbage bag described above is input to a server having a distribution device and stored.
Then, if the login code or the like is notified to the consumer (user) and the server is accessed by the login code, the video scene can be distributed through the Internet. Manufacturing status can be confirmed by video.

  Note that the above-described video copy and video distribution through the Internet are performed using a well-known technique, and details thereof are omitted.

In the present invention, the plastic bag is not limited to a trash bag, and can be a plastic bag or other plastic bag.
Moreover, it is not limited to a plastic bag wound up in a roll shape, and may be, for example, one packaged one by one and packaged in a bundle of a large number (for example, 10, 20, 30, etc.).
As for the number of cameras, at least one camera may be disposed at one place in the middle of the production line.

It is explanatory drawing of the garbage bag manufacture log | history confirmation apparatus of this invention. It is a perspective view of the roll-shaped garbage bag manufactured by the garbage bag manufacturing line to which this garbage bag manufacturing log | history confirmation apparatus is applied.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Roll-shaped garbage bag 10 Garbage bag 11 Perforation line 12 Long cylindrical film 13 Weld seal 14 Opening part 2 Forming process 20 Raw material 21 Film forming machine 3 Printing process 30 Printing machine 4 Sealing process 4a Printing part (date attaching part)
40 Bag making machine 5 Packaging process 50 Winding machine 6 Weighing process 60 Weight inspection machine 7 Recording device 70 Recording medium 8 Display A Manufacturing history number (manufacturing date display means)
B Shooting date K Camera L Garbage bag production line (plastic bag production line)

Claims (5)

In the middle of the plastic bag production line, a date attaching part is provided for attaching at least a production date display means indicating the production date for each plastic bag,
Cameras that shoot the production status are placed at one or more locations along the plastic bag production line.
A plastic bag manufacturing history confirmation device, characterized in that a recording device is provided for recording on a recording medium so that at least a photographing date is displayed on a video photographed by the camera. In the plastic bag manufacturing history confirmation device according to claim 1,
A plastic bag manufacturing history confirmation device, wherein the manufacturing date display means is at least a manufacturing history number indicating a manufacturing date, and the dated portion is a printing unit for printing the manufacturing history number for each plastic bag. In the middle of the plastic bag production line, a date attaching part is provided for attaching at least a production date display means indicating the production date for each plastic bag,
Cameras that shoot the production status are placed at one or more locations along the plastic bag production line.
A method for confirming a plastic bag manufacturing history, wherein video recorded by the camera is recorded on a recording medium by a recording device, and recording is performed so that at least the shooting date is displayed at the time of recording.   4. The plastic bag manufacturing history confirmation method according to claim 3, wherein a video scene including a manufacturing state of a specific plastic bag is selected from videos recorded on a recording medium by the recording device, and the selected video scene is recorded in another recording mode. A method for confirming the history of plastic bag manufacturing that is copied on a medium. 4. The plastic bag manufacturing history confirmation method according to claim 3, wherein a video scene including a manufacturing state of a specific plastic bag is selected from videos recorded on a recording medium by the recording device, and the selected video scene is distributed to the distribution device. A plastic bag manufacturing history confirmation method that allows a server equipped with a computer to input and memorize it and distribute the memorized video scene according to the access from the user.

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