JP3441375B2 - How to make a hanging product packaging bag - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a hanging-type product packaging bag. 2. Description of the Related Art In order to display and sell various small goods at stores, there is known a product packaging bag which can be hung in a state where the goods are packed. [0003] A bag-making method for such a product packaging bag is generally a so-called side-sealing method. According to this, a bag-constituting material including a continuous band-shaped front and back film that is overlapped with each other is placed in the longitudinal direction of the band. During the transfer, intermittent transfer is performed in which detection marks displayed at equal intervals in the longitudinal direction of the band of the bag constituent material are detected by the photoelectric tube, and the bag constituent material is temporarily stopped. Then, a suspension hole is formed by punching a part of the bag constituent material at the time of temporary stop, and the bag constituent material is blown in the band width direction. Therefore, by repeating the fusing accompanied by the intermittent transport, a bag is formed for each sheet with both sides of the front and back films welded, and the bag is simultaneously separated from the bag constituting material. Since the hanging hole is formed in the bag body, the bag can be hung with respect to the hanging rod at the time of store display. [0004] In the bag obtained by the conventional bag making method, a hanging hole is opened substantially at the center of the upper portion of the bag in the width direction. It remains on the side edges of the body. That is, when performing intermittent transfer in which the detection mark is detected by the photoelectric tube and the bag constituent material is temporarily stopped, the bag constituent material is stopped so that the detection mark comes to a position corresponding to the side edge of the bag body, and a pair of detections is performed. At the center between the marks, a hanging hole is punched and formed in the bag forming material, and the bag forming material is blown in the band width direction along the detection mark. Therefore, detection marks are left on both side edges of the formed bag. Usually, a purposeful display such as a design pattern or a product description is printed on the bag, but apart from such a purposeful display, a detection mark having no purpose after the bag is made is displayed on the bag. Remaining on both side edges is unsightly and reduces the design value of the bag. [0006] The present invention has been made to solve the above-mentioned problems, and provides a method of making a hanging-type product packaging bag in which a detection mark does not remain in a bag. As a means for this, a header portion provided with a header sheet made of thick synthetic paper or a synthetic resin sheet is formed on the upper portion of the bag body formed of the front and back films, and a substantially central portion in the width direction of the header portion is formed. the Anamata is bag-making method of the formula product packaging bag hanging made by forming punched suspension means comprising a hook-shaped notch, the bag construction material comprising the front and back films of the continuous strip superimposed on each other in the band longitudinal direction When transporting, the bag constituting material is temporarily stopped by detecting detection marks displayed at equal intervals in the belt longitudinal direction of the bag constituting material by a detecting means such as a photoelectric tube, and suspending the suspending means at the time of suspension.
Implement the punching process to form a blank, then pause
At the same time, each bag is formed from the bag constituting material and
The bag structure is separated from the constituent material
In the configuration in which the composite material is intermittently transferred, the detection mark
Is provided at the header of the bag material,
The detection mark after detection by the bag
In the state where the punching process was performed by intermittent transfer, the hanging means was formed by punching out a part of the width direction substantially central portion of the header portion including the detection mark of the bag constituting material, and at the same time, punching was performed. lies in the removal of the detection mark from a header portion along with the scrap. [0008] In the above configuration, the detection mark can be printed and displayed on one of the front and back films constituting the bag constituting material. Or, configure the header part
Header sheet is attached to the front and back films
In the case of the configuration , the detection mark can be printed and displayed on the header sheet. Preferred embodiments of the present invention will be described below in detail with reference to the drawings. (First Embodiment) A first embodiment shown in FIG. 1 shows a bag making method called a side seal method. Although not shown, after the continuous band-shaped synthetic resin film 1 is fed from the wound roll, the continuous band-shaped front and back films 1a and 1b are half-folded by a half-folding means such as a triangular plate and overlapped with each other. Is configured. On the other hand, a continuous tape-shaped header sheet 2 is inserted from the wound roll inside the half-fold portion of the film. As the header sheet 2, a thick synthetic paper or a synthetic resin sheet is used.
One of the front and back films 1a and 1b is provided with a sealing piece 3 extending longer than the other film 1a, and an adhesive tape 4 with a release tape is attached along the sealing piece 3. I have. Therefore, in the case of the illustrated example, the front and back films 1a,
A continuous band-shaped bag-constituting material 5 is formed including 1b and the header sheet 2, and the bag-constituting material 5 is transported in the belt longitudinal direction by transport means including a driving roller (not shown) (transfer step). In addition, the front and back films 1a and 1b may be configured by laminating two separate films. In the process of transferring the bag forming material 5, the front and back films 1a and 1b are welded 6 in the longitudinal direction of the band by welding rollers or the like, so that the header sheet 2 is attached to the bag forming material 5.
To form a header portion 7 (header forming step). In the case of the example shown, header sheet 2
The front and back films 1a and 1b are mutually welded along the side edges of
By doing so, the header sheet 2 is sealed between the welded portion 6 and the half-fold portion of the film. However, the front and back films 1a and 1b may be welded 6 in a sandwich shape with the header sheet 2 interposed therebetween. Front and back film 1 constituting bag material 5
a, 1b, a detection mark 8 displayed on the header portion 7 is printed on one of the films 1a, and the detection mark 8 is positioned below a predetermined pitch P in the longitudinal direction of the band of the film 1a. Printed at equal intervals. In the illustrated example, the detection mark 8 printed in a dot shape is shown, but the form is not limited. Therefore, the bag constituting material 5 being transferred is intermittently transferred by detecting the detection mark 8 by a detecting means 9 such as a photoelectric tube (intermittent transfer step). That is, when the detecting means 9 detects the detecting mark 9, the driving roller of the conveying means is temporarily stopped, and after the punching step and the bag forming step described later are completed, the sheet is transported again. It is transported intermittently. When the bag forming material 5 is temporarily stopped, a part of the header portion 7 is punched by the punching means 10 and
Is formed by punching the suspension means 12 (punching step).
The punching means 10 is preferably a hot blade for punching while fusing the header portion 7, but may be a punch for punching in a cold state. Further, the material 5 for forming the bag is connected to the fusing line C in the band width direction.
To obtain a single bag 14 (bag forming step). That is, by the intermittent transfer step,
Since the bag forming material 5 is intermittently transferred corresponding to the bag width W equal to the pitch P, by repeating such intermittent transfer and fusing, the front and back films 1a and 1b are sequentially formed.
Are formed at both side edges of the bag body 13a, and the bag body 14 is separated from the bag constituting material 5 at the same time.
According to the fusing 13, the bag 13 can be simultaneously separated from the welding 13 a of the bag 14. However, the step of welding the side edges of the bag 14 and the bag body 5 along the welded portion are performed. The process of cutting and separating from may be configured separately. In the example shown in the figure, when the bag forming material 5 is temporarily stopped, a portion of the bag width W located at the feed end of the bag forming material 5
Although the punching step of the suspending means 12 and the fusing step along the fusing line C are performed at the same time, the punching step of the suspending means 12 is first performed on the bag forming material 5 and then the suspending means 12 The fusing step may be performed after the bag-constituting material 5 provided with is further intermittently transferred. In such a side seal type bag-making method, prior to the punching step, when the bag-constituting material 5 is temporarily stopped, the bag-constituting material 5 is provided with a bag body in which the detection mark 8 is formed in the bag forming step. The bag is stopped at a position substantially at the center of the bag width W of No. 14 (positioning step). Therefore, in this positioning state, the punching means 10
Is operated, the detection mark 8 is punched out simultaneously with the punching of the suspension means 12. That is, the detection mark 8 is the
Since the bag 14 is removed from the bag constituting material 5 together with the bag 5, the detection mark 8 does not remain in the bag 14 made. As shown in the figure, the positioning step corresponds to the position of the detection mark 8 detected by the detection means 9 such as a photoelectric tube, and the intermittent feed amount determined on the basis of the fusing line C fusing 13 by the fusing means. And the position of the bag width W
This is performed by setting the detection mark 8 so as to be located substantially at the center of the bag width W. Therefore, by setting the position of the detecting means 9 in the bag making machine substantially at the center of the bag width W, it is possible to easily and easily carry out the operation. (Second Embodiment) A second embodiment shown in FIG. 2 shows a bag making method using the same side seal method as the first embodiment, and includes a transfer step, an intermittent transfer step, a positioning step, and a punching step. The bag forming step is the same as that of the first embodiment, except that the header forming step and the configuration of the header portion 7 formed thereby are different from those of the first embodiment. Are different from those of the first embodiment. That is, the tape-shaped header sheet 2 fed out to the front and back films 1a and 1b is superimposed on one of the films 1a, and the header sheet 2 is directly applied to the front and back films 1a and 1b. Then, welding 6 is performed, thereby forming a header portion 7 (header forming step). Detection marks 8 are displayed on the header sheet 2 in advance by printing or the like, and the detection marks 8 are displayed at regular intervals below a predetermined pitch P in the longitudinal direction of the header sheet 2. Accordingly, the bag forming material 5 including the header sheet 2 is intermittently transported so as to temporarily stop by detecting the detection mark 8 of the header sheet 2 by the detecting means 9 such as a photoelectric tube, and the punching means 10. In the punching step, the detection mark 8 is punched out at the same time when the suspension means 12 is punched out. That is, since the detection mark 8 is removed from the bag forming material 5 together with the scrap 15, the detection mark 8 does not remain in the formed bag 14. Third Embodiment A third embodiment shown in FIG. 3 shows a bag making method called a side gusset method. The continuous band-shaped film was unwound from a wound roll, processed into a tube shape, and folded inward into both sides of the continuous band-shaped front and back films 1a and 1b, each having a substantially V-shaped cross section. The gussets 16 and 16 are provided, and are transported in the belt longitudinal direction (tube longitudinal direction) (transfer step). As shown in FIG. 3A, the tube-shaped front and back films 1a and 1b (hereinafter, referred to as a tube body) provided with a gusset are intermittently transferred in the longitudinal direction of the tube. The header sheet 2 in the form of a tape is fed out from a direction intersecting the header sheet 2 and the header sheet 2 is stacked on one of the films 1a and welded. The header sheet 2 is made of a thick synthetic paper or synthetic resin sheet, and displays the detection marks 8 at equal intervals S in the longitudinal direction by printing or the like. Therefore, by detecting the detection mark 8 by the detection means 17 such as a photoelectric tube,
The header sheet 2 is stopped after being sent out by a length corresponding to the interval S, and after the welding 6, the header sheet 2 is cut along the tube side edge by fusing or the like,
Thereby, the header part 7 is formed in the tube body. Thereafter, by repeating the same steps, the bag forming material 5 having the header portion 7 is formed at regular intervals in the longitudinal direction of the tube body, and the bag forming material 5 is continuously intermittently transferred in the longitudinal direction. You. As shown in FIG. 3B, the bag forming material 5
Since the detection mark 8 is displayed below the predetermined pitch P equally spaced in the longitudinal direction of the tube, the detection mark 8
Is intermittently transferred in the longitudinal direction of the tube (intermittent transfer step). That is, when the detection means 9 detects the detection mark 8 ,
When the driving roller of the conveying means is temporarily stopped, and after a punching step and a bag forming step, which will be described later, are completed, the sheet is transported again and intermittently transported at a feed amount corresponding to the pitch P. When the bag forming material 5 is temporarily stopped, a part of the header portion 7 is punched out by the punching means 10 and the suspension hole 11 is formed.
Is formed by punching the suspension means 12 (punching step).
Further, by cutting the bag forming material 5 along the cutting line C along the side edge of the header portion 7 and cutting along the cutting line D near the cutting line C, as shown in FIG. Such a single bag body 14 is obtained (bag forming step). That is, by fusing along the cutting line C and cutting along the cutting line D,
The bag body 14 is separated from the bag constituting material 5, and the bag body 14 is opened at the bottom by the cut portion. In the case of the example shown in the drawing, when the bag forming material 5 is temporarily stopped, the punching step of the suspension means 12 and the cutting step along the cutting line C and the cutting step along the cutting line D are performed simultaneously. After the punching step of the hanging means 12 is first performed on the bag forming material 5, the bag forming material 5 provided with the hanging means 12 is further intermittently transferred, and then the fusing step and the cutting step are performed. You may. In such a side gusset type bag-making method, when the bag-forming material 5 is temporarily stopped for the punching step, the bag-forming material 5 has a detection mark 8 which is determined from the fusing line C or the cutting line D by a predetermined amount. (Positioning step). Since the punching means 10 is provided so as to face the temporarily stopped detection mark 8, when the punching means 10 is operated in the positioning stopped state, the detection mark 8 is punched simultaneously with the punching of the suspension means 12. . That is, since the detection mark 8 is removed from the bag forming material 5 together with the scrap 15, the detection mark 8 does not remain in the formed bag 14. (Embodiment of suspension means) The suspension means 1 of the present invention
2 shows a circular hanging hole 11 in FIGS. 1 to 3, but the shape of the hanging hole 11 is not limited, and a substantially water-drop-shaped hanging hole 11 a as shown in FIG. It is good also as a hanging hole. Alternatively, as shown in FIG. 4B, the hanging means 12 may be constituted by a hook-shaped notch 11b. In short, the bag body 14 can be hung on a hanging rod, and the detection mark 8 can be formed simultaneously with punching. Anything that punches out is acceptable. According to the present invention, the front and back films 1a,
1b, a header portion 7 provided with a header sheet 2 made of thick synthetic paper or a synthetic resin sheet is formed on the upper portion of the bag body, and a hole or a hook-shaped notch is formed at a substantially central portion in the width direction of the header portion 7. upon to bag manufacturing the formula product packaging bag hanging the hanging means 12 formed by punching formed consisting bag structure
By detecting the detection mark 8 provided on the material 4 by a detecting means 9 such as a photoelectric tube , the intermittent transfer of the bag forming material 5 is suitably performed , and the suspension means 12 is formed by punching when the bag is temporarily stopped.
The punching process is performed, and the bag is configured when the machine is temporarily stopped.
Each bag 14 is formed from the material 5 and the bag 14 is
A bag is formed so as to carry out a bag forming step of separating from the constituent material 5.
In the configuration in which the constituent material 5 is intermittently transferred, the detection
Mark 8 is located at the header 7 of the bag material 5.
The detection mark 8 after being detected by the detection means 9 is
The punching process by intermittent transfer of the bag material 5
In closing condition, since it is intended to by punching means 10 punch the portion including the detection mark 8, and at the same time the suspension means 12 consisting of holes or hook-shaped notch is stamped, detection with scrap 15 punched mark 8 Can be removed from the header section 7. For this reason, the bag body 14 after bag making does not leave the detection mark 8 unlike the conventional case, and it is possible to provide a hanging-type product packaging bag having an excellent aesthetic appearance and an improved design value.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a first embodiment of the present invention. FIG. 2 is a perspective view showing a second embodiment of the present invention. 3A and 3B show a third embodiment of the present invention, wherein FIG. 3A is a perspective view showing a step of forming a bag forming material, FIG. 3B is a perspective view showing a punching step and a bag forming step, and FIG. FIG. 3 is a perspective view showing a bag after bag making. 4A and 4B show an embodiment of the suspension means, wherein FIG. 4A is a front view showing an example of a suspension hole, and FIG. 4B is a front view showing a hook-shaped notch; DESCRIPTION OF SYMBOLS 1a Front film 1b Back film 2 Header sheet 5 Bag constituent material 7 Header 8 Detection mark 9 Detection means 10 Punching means 11, 11a Hanging hole 11b Hook-shaped notch 12 Hanging means 14 Bag body 15

──────────────────────────────────────────────────続 き Continuing on the front page (72) Masaaki Kurata, 3-4-10 Minamishinagawa, Shinagawa-ku, Tokyo Inside (72) Inventor Hideki Arai 3-4-1, Minamishinagawa, Shinagawa-ku, Tokyo No. Toshiba Battery Corporation (56) Reference JP-A-54-54777 (JP, A) JP-A-8-238694 (JP, A) JP-A-2-225031 (JP, A) JP-A 63-54 183854 (JP, A) JP-A-61-219598 (JP, A) JP-A-10-147322 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) B31B 1/86 321 B65B 61/16

Claims (1)

(57) Claims 1. A header portion 7 provided with a header sheet 2 made of a thick synthetic paper or a synthetic resin sheet is formed on an upper portion of a bag formed by the front and back films 1a and 1b. And
This is a method of manufacturing a hanging-type product packaging bag formed by punching and forming a hanging means 12 formed of a hole or a hook-shaped notch at a substantially central portion in the width direction of the header portion 7. When transferring the bag forming material 5 including the films 1a and 1b in the band longitudinal direction, the detecting marks 8 displayed at equal intervals in the band longitudinal direction of the bag forming material 5 are detected by detecting means 9 such as a photoelectric tube. The bag forming material 5 is temporarily stopped, and the suspending means 1
2 to perform the punching process to form
At the time of stop, each bag body 14 is formed from the bag constituent material 5 and
A bag forming step of separating the bag body 14 from the bag constituent material 5 is performed.
In order to transfer the bag material 5 intermittently,
And the detection mark 8 is positioned on the header 7 of the bag forming material 5.
Detection mark after being detected by the detection means 9
8 for punching process by intermittent transfer of bag material 5
The detection mark 8 of the bag forming material 5
Simultaneously forming said suspension means 12 by punching a portion of the width direction substantially central portion of the header portion 7 containing, and removing the detection mark 8 with scrap 15 punched from the header section 7 How to make a hanging product packaging bag.