JP4852072B2 - Card container - Google Patents

Description

  The present invention relates to a card container used for storing and storing cards such as name tags, slips, vouchers, various leaflets, or refills thereof.

  Conventionally, there are bag-like card cases made of plastic sheets of polyolefin, polyvinyl chloride, polyester, etc. For example, business card holders and ID card cases, as well as various cards, paper, leaflets, etc. In order to temporarily store them, they are increasingly used.

The card container formed of such a plastic sheet has an envelope shape as shown in FIG. 11 , for example . This bag-shaped card container includes a plastic front sheet 1 and a plastic rear sheet 2. Overlapping the two layers, leaving one of the surrounding portions open to make an opening 0, and forming the substantially rectangular bag 4 by cutting the remaining portion of the periphery at the same time as heat fusion, and the front sheet A flap 1a serving as a lid for covering the opening 0 is formed at the edge portion of 1. Reference numeral 3 denotes an adhesive layer that fixes the flap 1 a to the rear sheet 2.

  The bag-shaped card container manufactured in this way is low in manufacturing cost compared to envelopes manufactured by folding paper, is easy to mass-produce, has the advantage of being transparent, lightweight, and resistant to water, and is a thin plastic. Bag-shaped card containers formed of sheets are often used instead of paper bags.

  However, such plastic card containers are less rigid when the plastic sheet of the material is thin, and since they are easily charged, their surfaces are likely to stick to each other when they are smooth, and the handling of the product tends to be reduced. In the case of stacking, once the creases are formed, the creases are difficult to disappear, and there is a problem that the commercial value is lowered. Furthermore, when the flap of the card container containing the enclosure is closed and sealed with an adhesive, the sheet is thin and transparent, and the surface is smooth, so there are few clues to open the flap, and the enclosure can be taken out after being opened. There is also a problem that is not easy.

The present inventor studied the improvement of the structure of the card container in order to solve the above-described drawbacks , that is, the problem of handling, so that anyone can easily open and take out the enclosed matter and re-enclose it. . However, if the structure of the card container becomes complicated, it will be inevitable that the production efficiency of the card container will be reduced by using the conventional plastic sheet bag manufacturing equipment, and it will be impossible to produce it commercially. It came to do. Therefore, the present invention provides a card container having a special form that can solve the above problems, and a card container manufacturing apparatus capable of mass-producing the card container continuously and economically with extremely high efficiency. To do.

Means according to claim 1 of the card container according to the present invention forms a plastic sheet of two layers, one leaving an opening at the edge, bag-like and without connecting the other three edges, the opening the a bag-like container flaps of the opening of the front sheet edge substantially rectangular formed by extending from the end for covering, extending Vero shaped knob from the central portion at the distal end position of the flap toward the front side and, and, the side edges of the tongue-like thumb, through the arcuate凹隅portion from the tip end is formed set back in the opening direction of the flap is connected to the distal edge of the flap, also, of the flap Both left and right ends are cut out narrowly toward the front end, and at the rear edge portion of the opening, a cutout portion capable of gripping at least the contents in the container with fingers is formed, and the flap is formed on the rear seat. Adhesive layer for fixing Characterized in that it is.

In the card container of the present invention, in Kukoto cut narrow left and right side ends of the flap, the effect there Ri to decrease prevention becomes merchandise value easily damage prevention flap in handling of the card container, also, enclosure also feel free to go the opening and closing of the flap during loading and unloading, there is no spawning Succoth a large deformation in the flap part.

The means of claim 2 is formed from a two-layer plastic sheet, leaving an opening at one edge, connecting the other three edges to form a bag, and forming a flap for covering the opening on the front sheet A substantially rectangular bag-shaped container extending from the edge of the opening of
The cut portion at the tip of the flap is cut off, and a tongue-like knob is left in either the left or right direction of the portion to be cut, and the side edge of the tongue-like knob is retracted in the opening direction from the tip edge of the flap. A notch that is connected to the front edge of the flap through an arc-shaped concave corner formed in the above-described manner and that can hold at least the contents in the container with a finger at the rear edge of the opening. And an adhesive layer for bonding and fixing the flap to the rear sheet is further formed .

If the front end of the flap is cut out from at least one of the left and right ends, leaving a tongue-like projection, the flap in the sealed state can be easily peeled off by pulling the flap and pulling the flap. Therefore, the operability is greatly improved.

According to a third aspect of the present invention, in the first or second aspect, the tip of the flap is formed of a plurality of layers of plastic sheets joined to each other .

The card container of the present invention is a substantially rectangular bag-like container formed of a plastic sheet, and has a specially shaped tongue-shaped protrusion left uncut on both the left and right sides of the flap. It is good and easy to handle, and has the advantage that the commercial value is unlikely to decline. By using the card container manufacturing apparatus of the present invention, the card container having the above-mentioned excellent features can be manufactured economically with high efficiency, and the design of the card container is particularly easy to change. There is an advantage.

The card container of the present invention and its manufacturing apparatus will be described below with reference to the drawings.
FIG. 1 shows an example of the card container of the present invention. The difference from the conventional card container shown in FIG. 11 is that a semi-circular tongue-shaped knob 1b is formed on a flap 1a formed on the edge portion of the front sheet 1. In addition, a semicircular cutout portion 2b is recessed in the edge 2a of the rear sheet 2 of the opening 0, and other structures are not substantially different from each other.

Dancer part B, is folded longitudinally sheet 5 ₁ came sent, after reciprocating alternately between the upper fixed roller group B ₁ and the movable roller groups B ₂ below, the opening processing unit C and the bag and a forming unit D, is to alleviate the intermittently when traveling a predetermined distance, the tension change in according to the longitudinal folding sheet 5 ₁ at predetermined time intervals. However, the configuration is not limited to this example, and any appropriate device can be used as long as the device has an equivalent function.

In the bag-forming unit D, a conveyor for conveying the longitudinal folding sheet 5 ₁ fed by pressing and clamping the upper and lower, said longitudinal folding the sheet material 5 ₁ near the end of the conveyor, cut in a direction perpendicular to the traveling direction and heat fusing type blade can detects the cutting position of the vertical folding sheet 5 _1, said longitudinal travel distance of the folded sheet material 5 _1, i.e. the next vertical folding sheet 5 ₁ intervals cutting position, in other words And a controller for controlling intermittent operation performed for each of the left and right widths of the bag body 4 obtained by the cutting. As such an apparatus, the structure of the bag forming portion D is particularly limited as long as the apparatus can be controlled so that the conveyor is stopped while the thermal fusing blade is operating. An appropriate device can be used without any problem.

Opening processing unit C which is installed between the dancer unit B and the bag forming section D is, for example, longitudinal folding sheet 5 ₁ of the lower layer 5 and _second free ends, i.e. the bag front-side sheet 1 of 4 obtained the portion which becomes the flaps 1a, a first ablation device C ₁ to cut the extra seat part leaving tongue-like knob 1b, for example, longitudinal folding sheet 5 ₁ of the upper layer ₃ of the free end, i.e. obtained bag It is a combination of at least a second excision machine C ₂ that forms a notch 2b at a portion of the edge 2a of the rear sheet 2 that becomes the opening edge of the body 4, and performs partial welding of the sheet as desired. A processing machine or the like may be provided. However, these first and second excision machines are not limited to apparatuses each having a single cutting blade, but are sequentially processed using a plurality of curved cutting blades or straight cutting blades or cutting blades. It is also possible to use a combination of devices for advancing.

An example of such first excision machine C ₁ and second excision machine C ₂ is shown in FIG. 3, for example. A die blade Cb for cutting or cutting is provided at the lower end of a pressurizer Ca such as an air cylinder. mounting, the introduced between the blade cradle Cc and type blade Cb provided below, the longitudinal folded free end portion of the upper and lower sheet 5 _1, respectively excised processed in accordance with a command of the controller, wherein The generated chips of the sheet are removed by means such as vacuum suction.

The thus folded longitudinally example of the sheet material 5 ₁ when it is processed by opening the processing unit C is shown in Figure 4, in this example, the flap 1a site on weld disconnecting scheduled line 5b of the bag 4 is formed, wedge narrow the cutting portion 1 _1, also the edge 2a portion comprising an opening edge of the bag 4, so that provision of the semicircular cutout portion 2c of.

  The shape of the notch formed by the opening processed part C as described above can be various shapes as desired. In the completed card container of the present invention, the rear edge 2a of the bag body opening is formed. Some examples of the notch portions to be provided are shown in FIG. The notch 2d in FIG. 5A is a semicircular shape that is larger than the notch 2c shown in FIG. 4, and the notch 2e in FIG. The notch 2f in FIG. 5 (c) is narrower and deeper than the notch 2c shown in FIG. 4.

Further, formed by opening the processing station C, a shape of the longitudinal folding notching portion added to the lower layer 5 _second sheet material 5 _1, the flap 1a scheduled portion on the welding of the bag 4 disassociate scheduled line 5b the other narrow cutting portion 1 _1, a wide cutting portion 1 ₂ and as shown in (a) of FIG. 6 may be a rounded arcuate cutting portion 1 ₃ as shown in also (b).

Moreover, the tongue-like knob 1b as described in Fig. 1, when forming the tip of the flap 1a, as shown in FIG. 7, cut cutting portion 1 ₄ surrounding the first tongue-shaped knob predetermined position, following preferably, the cutting portion 1 ₅ without the tongue-like knob to cut all at once. It is important that the shape of the die blade used for this first cutting operation does not cause sharp refraction at the cutting line. Particularly凹隅unit 1 ₀ that occur outside of the base of the tongue-like knob, so that pulling does not occur tear even, it is necessary to form a small arc shape with the stress concentration, the projecting portion can safely be acute Absent.

  Further, FIG. 8 shows an example of a card container having a tongue-shaped knob having a different shape. The tongue-shaped knob 1c of this example protrudes longer than the tongue-shaped knob 1b of the previous example from the central position of the tip of the flap 1a. It has been established.

Other, in the example shown in FIG. 9, first of all the vertical folding sheet 5 ₁ of the lower layer 5 _{and second} free ends, a cutting portion 1 ₆ similar to provided side by side cutting portion 1 ₂ shown in FIG. 6 (a) After forming the cut portion ₁₇ between the cut portions ₁₆ so as to be parallel to the free end, the cut portion ₁₇ is formed at a position slightly apart from the planned weld separation line 5b. When the bag is cut off, a card container provided with a trapezoidal tongue-shaped knob 1d can be obtained.

  According to the above method, the shape and size of the tongue-shaped knob can be easily changed by changing the shape of the first excision, and the wide tongue-shaped knob 1e as shown in FIG. The provided card container is obtained. In addition, by appropriately changing the position of the planned welding separation line 5b, the position at which the tongue-shaped knob is provided on the flap 1a can be arbitrarily changed.

In another example of a card container of the present invention, as a vertical folding sheet 5 ₁ fed from the sheet feeding section A folded longitudinally, the outer edge of the lower layer 5 ₂ is folded double inward Te, is used that is formed so as to face the outer edge of the upper layer _3. Then, the double folded portion of the lower layer 5 _2, bonding when reaches the opening processing unit C via the dancer unit B, first from the front and back, together with such as hot, for example, by reticulated welded such After that, similarly to the above, it is cut by the first cutting machine C ₁ and the second cutting machine C ₂ . Therefore, the outer edge portion of the flap 1a in the card container of this example has a thick and rough hand so that the tongue-shaped knob 1b can be easily picked, and even if it is pulled strongly, there is no possibility of extending or cutting.

It is explanatory drawing which shows the structure of the example of the card container of this invention, (a) is a rear view, (b) is sectional drawing. It is explanatory drawing of the manufacturing apparatus of the card container of this invention. It is explanatory drawing of the opening process part in the manufacturing apparatus of the card container of this invention. It is explanatory drawing of the vertically folded sheet | seat material in a processing state in an opening process part. It is drawing explaining the shape of the notch part of the opening rear side of the card container of this invention, (a), (b), (c) is the example, respectively. It is drawing explaining the shape of the notch part of the flap edge part planned position of the card container of this invention, (a), (b) is the example, respectively. It is explanatory drawing of the procedure which notches the flap flap-shaped knob planned position of the card container of this invention. It is a figure explaining the shape of another example of the flap tongue shaped knob of the card container of this invention. It is explanatory drawing of the procedure which carries out the notch process of the flap bell-shaped knob planned position of another example of the card container of this invention. It is a figure explaining another example of the shape of the flap tongue shaped knob of the card container of this invention. It is explanatory drawing which shows the structure of the example of the conventional card container, (a) is a rear view, (b) is sectional drawing.

Explanation of symbols

A Vertical folding sheet material supply unit
B Dancer club
B ₁ Fixed roller group
B ₂ movable rollers
C Opening part
C ₁ first excision machine
C ₂ second excision machine
Ca pressurizer
Cb type blade
Cc blade cradle
D Bag body forming part
0 opening
1 Front seat
1a flap
1b, 1c, 1d, 1e
Velcro knob
1 ₀ concave corner
1 ₁ , 1 ₂ , 1 ₃ , 1 ₄ , 1 ₅ , 1 ₆ , 1 ₇
Excised part
2 Rear seat
2a Edge
2b, 2c, 2d, 2e, 2f
Notch
3 Adhesive layer
4 bags
5 Raw roll
5 ₀ Sheet material
5 ₁ Vertically folded sheet material
5 ₂ Lower layer
5 ₃ Upper layer
5a Valley fold
5b Scheduled line for welding separation

Claims (3)

Formed from a plastic sheet of two layers, leaving an opening in one edge, bag-like and without connecting the other three edges, a lower edge of the flap to the front sheet opening for covering the opening It is a substantially rectangular bag-shaped container that is extended ,
Toward the front side by extending a tongue-shaped lever from the central portion in the distal end position of the flap, and the side edges of the tongue-shaped knob is a circular arc shape that is formed recessed from the opening direction leading edge of the flap The flap is connected to the leading edge of the flap through the concave corner, and the left and right side edges of the flap are notched narrowly toward the leading edge, and at least the contents in the container are grasped by the finger at the rear edge of the opening. The card container is characterized in that a notch that can be formed is formed, and an adhesive layer for bonding and fixing the flap to the rear sheet is further formed. Formed from two layers of plastic sheet, leaving an opening at one edge, connecting the other three edges to form a bag, and extending a flap to cover the opening from the edge of the opening of the front sheet A substantially rectangular bag-shaped container,
The cut portion at the tip of the flap is cut off, and a tongue-like knob is left in either the left or right direction of the portion to be cut, and the side edge of the tongue-like knob is retracted in the opening direction from the tip edge of the flap. A notch that is connected to the front edge of the flap through an arc-shaped concave corner formed in the above-described manner and that can hold at least the contents in the container with a finger at the rear edge of the opening. A card container, wherein an adhesive layer for forming and further fixing the flap to the rear sheet is fixed. The card container according to claim 1 or 2, wherein a tip portion of the flap is formed of a plurality of layers of plastic sheets joined to each other.

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