JP2590534Y2 - Newspaper magazine handbags - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plastic newspaper magazine handbag. The present invention relates to a handbag that can be stored in a state of being folded into a rectangle and that forms a rectangular parallelepiped bag when used.

[0002]

2. Description of the Related Art Plastic handbags are very widely used because of their simplicity, and this manufacturing industry forms an enormous market. As one of these plastic handbags,
A very distinctive plastic handbag is found in Japanese Patent Publication No. 52-3
No. 9342. This bag is characterized in that the handle portion is initially folded over the top of the bag body portion, and the handle portion can be pulled out and used at the time of use. One of the bags proposed here is one in which the handheld film 4 is folded and attached to the inside of the opening 2 as shown in FIG. Also,
The plastic handbag proposed in the above patent gazette is
Although the bottom is not in the shape of a square bottom, a gusset fold can be formed on the bottom to form the square bottom by a known method. That is, if four square bottom fusion lines are provided at the bottom and front and back of the gusset fold at the bottom and four lower corners on the left and right sides to form a square bottom, the bag body part becomes a rectangular parallelepiped shape, for example, a square box body or newspaper , Etc., can be stored in a stack. When the volume of the storage portion is increased due to the square bottom as described above, the shape of the bag body portion is not a flat shape as in the conventional FIG. 6 but a rectangular parallelepiped shape as in FIG. FIG.
In such a case, when the bag is hung, the opening side edge of the upper edge of the lateral side wall N of the bag body is bent, and the tape of the handbag is relatively vertical when the bag is hung. Gravity will be suspended vertically. However, the rectangular parallelepiped bag body is suspended in a shape as shown in FIG. 5, and the length of the hand tape and the upper edge of the side wall are folded back and are the same. Therefore, it is necessary that the upper edge of the side wall N bends by an amount corresponding to the upper portion of the hand tape as shown in FIG. However, when, for example, newspaper magazines are stacked near the edge of the opening and stored in the bag body portion, there is no room for the opening edge to bend like a curved wavy L. Therefore, when the handle portion of this bag is hung, the tape becomes nearly horizontal, and when the angle of the hand portion tape with respect to the horizontal direction is α, the tension is [1 / sin α] times the gravity of the bag body portion. As a result, a force is applied to the hand-held tape and its fusion wire 5 to easily break the tape. In particular, there is a disadvantage that both ends of the fusion wire 5 are damaged.

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a plastic newspaper / magazine handbag having high strength when hanging a handbag having a rectangular parallelepiped bag body with a square bottom.

[0004]

Means for Solving the Problems The inventor of the present invention put a heavy object into a square-bottomed handbag in which a handbag is fused to the upper edge of a side wall as in the prior art and hung it, and gradually increased the number of stored items. Occasionally, it was observed that a force was locally applied to the tip of the hatched fusion part between the hand tape and the opening edge of the palm part, and the film was torn from the tip of the fusion part. In this handbag, the tape of the handbag portion is formed by bending the opening edge, so that when this is fixed with the fusion wire 5, the distance between the left and right fusion wires 5 matches the length of the handbag tape. I do. Therefore, as shown in FIG. 5, when the hand-held portion is on the side edge of the opening edge, the length between the fusion lines 5 at the opening edge and the length of the hand-held tape are the same. When this hand-held portion is hung, in order for the hand-held portion to rise above the opening edge as shown in FIG. 6, it is necessary to shorten the interval between the fusion lines 5 due to wrinkles at the opening edge.

However, when the bag is a rectangular parallelepiped and the contents are packed up to the top of the bag, the opening has a limited room for bending depending on the contents. In addition, the force applied to the bent side surface is distorted, and an uneven force is locally applied to the opening edge and the fusion line 5 to easily damage the opening. Therefore, in order to eliminate the force concentrated on the fusion-bonded portion tip, if the hand-held portion tape is made to protrude from the vertical side wall M of the bag portion, as shown in FIG. When the upper edge of the vertical side wall M is drawn to incline the opening edge toward the inside of the bag body portion, the hand tape is suspended as shown in FIG.
Wrinkles are not applied to the upper edge, and the force is applied evenly. The attachment of the hand strap to the upper edge of the vertical side wall M in this way can be achieved by providing the hand strap fusion line 5 outside the corner bottom fusion line 18 in FIG.

That is, gusset folds are provided on the upper and lower sides of a long tubular thermoplastic film, the inner central fold of the upper gusset fold is cut, and the upper double fold portion is cut off to provide a handbag. The opening film is separated from the opening film, and is fused and fused for each bag width. The fused edges are left and right side edges 6, the lower gusset folded portion has a square bottom, and the upper portion is an opening. At the bottom of the bag, four corner bottom fusion lines 18 are provided so as to divide a substantially right isosceles triangle at the four lower corners at the front and back ends of the gusset fold. A pair of films are separately fused and fixed to the front and back sides of the folded portion to form a square bottom shape, and on the other hand, near the both ends of the handheld film and at the upper left and right corners of the front and back openings. , Diagonal lines 4 spread in the left and right side edge direction In the handbag in which the handheld film is separately fixed on the front and back sides of the opening film, the handheld fusion line 5 is provided above the intersection 11 between the square bottom fusion line and the bottom fold. And the intersection 12 of the upper edge of the opening
Are formed so that the horizontal width of the lateral wall of the bag body is approximately 1.4 times the horizontal width of the vertical wall of the bag body, and the slanted handbag is formed. The tip of the fusion line 5 has a shape bent in the horizontal direction, and the corner bottom fusion line 18 has a shape which crosses the side edge 6 almost perpendicularly. The bag is provided.

The present invention will be described in detail with reference to the drawings of embodiments. In the plastic handbag shown in FIGS. 1 and 2, the two rectangular films on the front and back are formed of a single plastic film integrally connected via the bottom 3. The left and right side edges are fused by the side edge fusion line 6, and the bag 1
Is formed. The shape of the bag of the present invention can be not only a horizontally long rectangle but also a vertically long rectangle and a square when viewed from the side. From the opening film 13 on both the front and back surfaces, a handhold film 4 is extended inward at a fold 9 at the fold line 9. The center portion of the fold 9 is notched 17 so that the hand film 4 is separated from the opening film 13.

Further, a known method for forming a square bottom is applied to the bottom of the bag of the present invention. That is, a gusset fold is also formed on the bottom 3 so that the cross-section becomes W-shaped as shown in FIGS. If the two pairs of opposite films of the film 15 and the bottom outer film 16 are separately fused and fixed, the bottom 3 of the bag body can be formed into a square bottom shape. The present invention is based on four hand-fused wires 5 extending downward on the left and right of the upper part of the opening film 13 and on the front and back,
The opening film 13 and the handheld film 4 facing the opening film 13 are fixed by fusion. The angle of the hand fusion line 5 is approximately 45 degrees. According to the weight of the bag, the length of the hand-held fusion wire 5 can be increased. For that purpose, it is necessary to increase the vertical width of the handhold film 4.

The leading end portion A of the hand-held fusion line 5 of the bag of the present invention is bent in the horizontal direction, and the gravitational force concentrated there is dispersed on the line of the bent end portion A in the horizontal direction. Will not be damaged. Further, the front end portion A of the hand-held fusion wire 5 can be extended horizontally to reach the side edge fusion portion. In the conventional handbag, the handbag fusion line 5 is provided inside the lower corner bottom fusion line 18, and when suspending the bag body,
As shown in FIG. 5, the hand-held portion film has a shape extending from the upper edge of the side wall N of the bag body portion, and is suspended in the shape of FIG. In this case, wrinkles are formed on the upper edge of the lateral side wall N, and the distance of the wrinkles is sufficient for the support tape, but the force applied to the fusion line 5 is very complicated. In the present invention, as shown in FIG. 1, the intersection point 12 between the hand-held fusion line and the upper edge is located exactly on the intersection point 11 between the lower corner bottom fusion line 18 and the lower edge. In this way, as shown in FIG. 4, the bag body can be hung by the hand-held portion extending from the upper edge of the rectangular parallelepiped vertical side wall M. Then, the two handhold films 4 are attached so as to cross over the bag body in the vertical direction as shown in FIG.

When hanging the bag body with such a handbag film, the handbag pulls the upper edge of the vertical side wall M of the bag body. In this case, the upper edge of the vertical side wall M is slightly inclined inward of the bag body portion, and the upper edges of both sides move inward, and the distance becomes a margin of the hand-held portion tape, and the shape of FIG. Hanged. In this case, since the tension of the hand portion is directly perpendicular to the upper edge of the vertical side wall M, even if wrinkles are generated on the lateral wall N, wrinkles are not generated on the vertical side wall M where the hand fusion line 5 exists. There is no uneven distribution of tension. Even if a rectangular parallelepiped bag is stored in a box shape or a regular one like an old newspaper is stacked near the top of the bag and stored, there is room for the upper edge of the vertical side wall to be inclined inward. No damage is caused to the fusion line of the tape. The handbag of this embodiment can be manufactured by a continuous bag making process. First, while continuously pulling out a long tubular film,
Gazette folds are provided on the upper and lower sides as shown in FIG. 3 to form a W-shaped cross-sectional structure on the upper and lower sides.

The fold 8 at the upper center of the fold is continuously cut by a knife. Next, the center fold of the upper edge is cut off, and the hand film 4 is separated from the edge of the opening film. This notching step can be performed in any order of the steps. For example, after a bag is manufactured, a large number of bags can be stacked and a punching step can be incorporated as a final step. Next, insert a metal separation plate between the upper and lower gusset folds, apply a heat iron from above and below,
The hand-bonded fusion line 5 and the square-bottom fusion line 18 of FIG. 1 are separately formed on the front and back gusset-folded film pairs. In these steps, it is convenient to simultaneously carry out the construction of the hand fusion line and the square bottom fusion line of the next bag on the boundary line with the next bag.

Since the tip of the square-bottom fusion line is continuous with the adjacent bag, a convex continuous wire is used so that a hot iron is simultaneously welded to the next bag. Normally, in the present invention, it is desirable that the tip be curved to form a curved portion B. As shown in FIG. 1, when the corner bottom fusion line 18 intersects the side edge 6 at a substantially perpendicular angle,
The concentration of gravity as described above disappears, and when the side edges are cut in the bag making process, the shapes of the square bottom fusion lines of the left and right bags will be the same even if the fusion lines that should come on the boundary line are slightly shifted. This is desirable because the strength does not decrease even if there is an error in the fusing position. As described above, the long raw film on which the square bottom fusion line 18 and the hand-held fusion line 5 have been constructed is then blown on the boundary line with a hot blade for each width of the bag body, as shown in FIG. It is possible to obtain the handbag in a state where it is folded flat.

[0013]

[Effect of the Invention] The present invention makes it possible to efficiently and easily manufacture a plastic handbag that is convenient and strong in use, and has a large market for storing old newspapers and old magazines. This is a very useful idea for the bag making industry.

[Brief description of the drawings]

FIG. 1 is a front view of one embodiment of a handbag according to the present invention.

FIG. 2 is a longitudinal sectional view of an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a tubular film provided with upper and lower gusset folds used for manufacturing a handbag of the present invention.

FIG. 4 is a perspective view showing the shape of the handbag of the present invention when used.

FIG. 5 is a perspective view showing a shape of a conventional handbag when used.

FIG. 6 is a perspective view of a known plastic handbag.

[Signs in the figure]

 DESCRIPTION OF SYMBOLS 1 Bag film 2 Opening 3 Bottom 4 Hand film 5 Hand fusion line 6 Side edge fusion part 7 Gazette fold 8 Gazette fold 9 Gazette fold 10 Gazette fold 11 Intersection of square bottom fusion line and lower edge 12 Hand Intersection between the fusion line and the upper edge 13 Opening film 15 Bottom inner film 16 Bottom outer film 17 Notch portion 18 Square bottom fusion line A Vertical side wall N Side wall

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. ⁶ , DB name) B65D 33/00 A45C 3/00

Claims (1)

(57) [Scope of request for utility model registration] 1. A gusset fold is provided above and below a long tubular thermoplastic film raw material, and an inner central fold of an upper gusset fold is cut.
The heavy folds are cut off, the hand film and the opening edge are cut off, and fused and fused for each bag width, the fused edges are left and right side edges 6, and the lower gusset folded portion is square bottom. A bag having an opening at the top, and forming four square-bottom fusion lines 18 so as to divide a substantially right-angled isosceles triangle at four lower corners at both ends of the gusset at the bottom of the bag. The corner bottom fusion line forms a square bottom shape by separately fusing and fixing a pair of films on each of the front and back sides of the gusset folded portion, while near the both ends of the hand-held portion film. At the upper left and right corners of the opening on the front and back, four slanted hand-fusing lines 5 extending in the left and right side edge directions are provided, whereby the hand-holding film is separately fixed on the opening film. In the bag, above the intersection point 11 of the square bottom fusion line and the bottom fold, a hand fusion line A rectangular parallelepiped bag is formed so that the intersection 12 of the upper edge of the opening is located, and the horizontal width of the lateral side wall of the bag is approximately 1.4 times the horizontal width of the vertical side wall of the bag. ,
In addition, the tip end portion A of the oblique hand-shaped fusion splicing line 5 has a shape bent in the horizontal direction, and further has a shape in which the square-bottom fusion line 18 crosses the side edge 6 almost perpendicularly. Handbag for newspapers and magazines.