JP2006123977A - Food packaging bag - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To save labor and time of applying a sealing material for sealing each time, and to prevent a perforation from cutting while a food packaging bag is hung. <P>SOLUTION: The food packaging bag has a packaging bag body 1 formed of a surface film material 10 and a back film material 20. An adhesive face part 24 is provided on an extension upper end piece of the back film material so as to close an opening part 3 for putting in food formed between the back film material 20 and the surface film material 10, and a peeling material 25 is stuck to the adhesive face part 24. The peeling material 25 has a folding part 25a formed at its lower end and has a through-hole 25b formed at its upper end. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a food packaging bag for packaging food such as rice balls and sandwiches.

  Conventionally, as shown in FIG. 6, for example, as shown in FIG. 6, a food packaging bag has an approximately hexagonal shape having a short hypotenuse and a long hypotenuse opposite to each other so that the upper end is wide and the lower end is narrow. In addition to the surface film material 10 made of a synthetic resin such as polypropylene, which is cut into a shape and has a rectangular lower extension piece 2 from the lower end of the narrow side, in addition to the substantially same hexagonal shape. A pair of cut portions 21a for opening a rectangular lower extension piece 21 having a substantially trapezoidal upper extension piece 22 from the wide side upper end side and extending slightly longer from the narrow side lower end side , 21a, and a back film material 20 made of a synthetic resin such as polypropylene. Then, the short oblique sides, the long oblique sides, and the narrow side lower end sides of the film materials 10 and 20 are heat-sealed, and the wide side upper end sides are opened to open the food insertion opening 3. The packaging bag body 1 is formed in a bag shape.

  In use, packaging is performed by inserting rod-like latching bodies 30 and 30 into a pair of through-holes 22a and 22a formed in a substantially trapezoidal upper-side extended piece 22 extending from the upper end side of the wide side of the back film material 20. The bag body 1 is stably held.

And the sewing machine currently formed below the through-holes 22a and 22a in the substantially trapezoid upper side extended piece part 22 extended from the wide side upper end side of the back film material 20 by pulling the packaging bag main body 1 below. After cutting with the eyes 23, the opening 3 of the packaging body 1 is expanded and the food P is put in. Then, the upper end of the wide side of the back film material 20 is folded forward, overlapped on the surface of the front film material 10, and from above The sealing material 32 was pasted and fixed. And when eating, the cut film 21a of the rectangular-shaped lower extension piece part 21 in the back film material 20 and the cut tape in 21a were pulled out, and the back film material 20 side was opened.
nothing special

  However, the conventional food packaging bag has a problem that it takes time and effort because it requires an operation of applying the sealing material once.

  Therefore, the present invention was created in view of the existing circumstances as described above, and it is a food packaging bag that does not require time and labor for pasting a sealing material once for sealing. The purpose is to provide.

  In order to solve the above-described problems, according to the present invention, in claim 1, a food packaging bag is formed by forming a packaging bag main body with a front film material and a back film material, the back film material and the front film material. An adhesive surface portion is provided on the extended upper end piece of the back film material so as to fold and close the opening formed between the film material and a release material is attached to the adhesive surface portion.

  According to a second aspect of the present invention, the release material is formed with a folded portion to be adhered to the adhesive surface portion of the back film material at the lower end thereof.

  According to a third aspect of the present invention, the release material has a hanging through hole formed at the upper end thereof.

  According to a fourth aspect of the present invention, a pair of opening cut portions are cut in the vertical direction on the lower end piece of the back film material.

  According to a fifth aspect of the present invention, a film material made of polypropylene or the like that has been uniaxially stretched is used as the back film material, and it is easy to tear the pair of cut portions in the cutting direction.

  In the food packaging bag according to the present invention configured as described above, by pulling the packaging bag body downward, the adhesive surface portion of the upper end piece of the back film material is peeled off from the release material that is suspended, and the adhesion is performed. Expose the face.

  In this state, after the food is introduced from the opening, the extended upper end piece of the back film material is folded forward so as to close the opening, and the upper end of the back film material is adhered to the front film material surface by the adhesive surface portion. The piece is adhered and fixed to the surface film material surface.

  As described above, according to the present invention, it is not necessary to spend time and labor for attaching a sealing portion for sealing once and it is possible to improve workability.

  That is, this is because the present invention provides an adhesive surface portion on the extended upper end piece of the back film material so as to fold and close the opening for food input formed between the back film material and the front film material. This is because the release material is attached to the surface part. By pulling the packaging bag body downward and peeling from the release material, the upper end piece of the back film material is plugged into the opening after the food is added. The back film material can be easily adhered and fixed to the front film material surface by the adhesive surface portion simply by folding it forward and superimposing it on the front film material surface. Therefore, it is not necessary to spend time and labor for pasting the sealing material once at a time as in the prior art.

  In addition, since the release material is formed with a folded portion to be adhered to the adhesive surface portion of the back film material at the lower end, when the packaging bag body is pulled downward, the upper end of the release material is suspended. The extended upper end piece of the back film material is peeled off so that the folded portion is gradually rolled downward. Therefore, peeling of the back film material with respect to a peeling material can be performed very smoothly and easily.

  Moreover, since the through-hole for hanging is formed in the upper end of the peeling material, this through-hole can be inserted in a rod-shaped latching body, and a packaging bag main body can be held stably.

  Furthermore, since the pair of opening cut portions are vertically cut in the lower end piece of the back film material, the sealed bag after the food is stored can be easily opened with one touch.

  Furthermore, a film material made of polypropylene or the like that has been uniaxially stretched is used as the back film material, and it is easy to tear the pair of cut parts in the cutting direction, so one-touch without using a cut tape. It can be opened easily and the product cost can be reduced.

  Hereinafter, the best mode for carrying out the present invention will be described with reference to the drawings. Reference numeral 1 shown in the figure denotes a food packaging bag of the present invention for packaging food P such as rice balls and sandwiches. This packaging bag main body 1 has a substantially hexagonal shape having a short hypotenuse opposite to each other and a long hypotenuse opposite to each other so that the upper end side is wide and the lower end side is narrow. In addition to the surface film material 10 made of a transparent synthetic resin such as polypropylene, for example, having a rectangular lower extension 2 from the lower end of the narrow side, and substantially the same hexagon, A pair of upper opening pieces 22 having a substantially trapezoidal portion on the wide side upper end side, and a rectangular lower side extending piece portion 21 extending slightly longer from the narrow side lower end side. Transparent synthetic resin back film material 2 formed by forming cut portions 21a, 21a It is equipped with a door. The back film material 20 is made of a polypropylene film material that has been uniaxially stretched to facilitate the tearing of the cut portions 21a and 21a in the cutting direction.

  And, the film material 10, 20 has an end for oblique insertion of the oblique sides, a lengthy oblique side, and the narrow side lower end sides are heat-sealed, and the wide side upper end sides are opened to open food insertion openings. The packaging bag main body 1 is formed in a bag shape 3.

  Further, an adhesive surface portion 24 formed by applying a solid adhesive material is formed in a band shape above the trapezoidal portion of the upper extending piece portion 22 extending from the upper end side on the wide side of the back film material 20, and this band-shaped adhesion A transparent film-like release material 25 is attached to the surface portion 24.

  The release material 25 is formed with a folded portion 25a at the lower end thereof, and is attached to the back film material 20 with the folded portion 25a facing inside, whereby when the packaging bag body 1 is pulled downward, the adhesive surface portion The release material 25 is peeled off from 24 so as to be smoothly wound. A pair of through holes 25b, 25b for suspension are formed at the upper end of the release material 25.

  Next, an example of the use of the packaging bag body 1 according to the present configuration will be described. The packaging bag body 1 is stabilized by inserting a pair of through holes 25b, 25b at the upper end of the release material 25 into the rod-shaped latching body 30. Keep it.

  Then, by pulling the packaging bag main body 1 downward, the adhesive surface portion 24 of the back film material 20 is peeled off from the release material 25, and the back film 20 is pulled away while being exposed to the outside of the adhesive surface portion 24.

  Thereafter, after the food P is introduced from the opening 3, as shown in FIG. 5, the wide side upper end side of the back film material 20 is folded forward so as to close the opening 3, and overlapped on the 10th surface of the front film material. By combining them, the wide side upper end side of the back film material 20 is bonded and fixed to the surface of the back film material 10 by the adhesive surface portion 24.

  And when eating, the cut part 21a, 21a of the rectangular lower side extended piece part 21 in the back film material 20 should just be pulled out, and the back film material 20 side should just be opened.

  In addition, although a blower can also be used for opening of the opening part 3 in the packaging bag main body 1, it can also be manual.

It is a front view of the packaging bag main body which shows the best form for implementing this invention. It is a rear view of a packaging bag main body similarly. It is a longitudinal cross-sectional view of a packaging bag main body similarly. It is a front view which similarly shows a food input state. It is a front view of the packaging completion state of a foodstuff. The packaging bag main body in a prior art example is shown, (a) is a front view of an opening part opening state, (b) is a front view of the state which throws in food from an opening part, (c) is a sealing material on the opening part side. The front view of the sealed state, (d) is a rear view of the packaging completed state.

Explanation of symbols

P Food 1 Packaging bag main body 2 Lower extended piece part 3 Opening part 10 Front film material 20 Back film material 21 Lower extended piece part 21a Cut part 22 Upper extended piece part 22a Through hole 24 Adhesive surface part 25 Release material 25a Folding part 25b Through-hole 30 Rod-shaped hook

Claims (5)

  A food packaging bag comprising a front film material and a back film material to form a packaging bag body, wherein the opening formed between the back film material and the front film material is folded and closed. A food packaging bag comprising an adhesive upper surface provided on an extended upper end piece of a film material, and a release material attached to the adhesive upper surface.   The food packaging bag according to claim 1, wherein the release material is formed with a folded portion attached to the adhesive surface portion of the back film material at the lower end thereof.   The food packaging bag according to claim 1 or 2, wherein the release material has a through-hole for hanging at the upper end thereof.   The food packaging bag according to claim 1, wherein a pair of opening cut portions are cut in a vertical direction on a lower end piece of the back film material. The food packaging bag according to claim 1 or 4, wherein a film material made of polypropylene or the like subjected to uniaxial stretching treatment is used as the back film material, and the pair of cut portions are easily torn in the cutting direction.

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