JP2008120413A - Packaging bag having zipper tape - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a packaging bag having a zipper tape allowing its content to be metered by a measuring spoon without using a leveling plate when the content is used, and capable of being easily disposed of by preventing an empty container from becoming bulky. <P>SOLUTION: The zipper tape consisting of a narrow width tape 7 having an engaging protuberance 6 and a wide width tape 9 having an engaging recess section 8 is pinched between two sheets of front and rear main body films 2 and 3 under an opening planned section of this packaging bag. The whole of the narrow width tape 7 is heat-welded to either one of the main body films. The wide width tape 9 is heat-welded to the other main body film under a state in which the lower end 11 is lifted. The lifted lower end 11 is extended inward. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  TECHNICAL FIELD The present invention relates to a packaging bag with a zipper tape for packaging powder / sticky food, and in particular, a packaging with zipper tape that can be used to measure the contents of powder / sticky food with a measuring spoon. Regarding bags.

  Conventionally, powders, viscous foods, and the like have been packaged and distributed in gusseted bags on both sides. Bags with gussets on both sides are large because the bags themselves are not bulky, but they can be stored in large amounts, and are stable in the stored state. Used to.

  Then, when the powder / viscous food packaged in a conventional gusset bag is taken out of the bag and then resealed, it is re-wrapped by means such as folding the area around the outlet or tying it with a rubber band. It was sealed.

  However, such re-sealing means has a problem that sealing is incomplete, time-consuming and inconvenient, and is troublesome and more incompletely sealed.

  As a means of resealing to solve these problems, a packaging bag with a zipper tape has been developed in which a zipper called a zipper or a zipper that consists of a male occlusion tool and a female occlusion tool is installed in the vicinity of the planned opening, and is widely distributed (For example, see Patent Document 1 and Patent Document 2).

The said prior art document is shown.
Japanese Utility Model Publication No. 63-177250. JP 2000-272639 A.

  By using a packaging bag with zipper tape, the reseal problem was solved. However, in the case of the contents to be used for measuring the amount to be taken out, after the contents were scooped up on a measuring spoon, the excess amount was removed with a separately prepared scraping plate and taken out.

  The present invention has been made in view of the above problems relating to a packaging bag with a zipper tape, and can be used for ground measurement with a measuring spoon without using a scraping plate at the time of use of the contents, and the empty container is not bulky. It is an object to provide a packaging bag with a zipper tape that can be easily disposed of.

  The invention of claim 1 of the present invention is a packaging bag in which the peripheral edges of two opposing front and back main body films are heat-welded, and between the front and back main body films below the planned opening portion of the packaging bag. A zipper tape composed of a narrow tape having an engagement protrusion and a wide tape having an engagement recess is sandwiched between the two, and the entire width of the narrow tape is thermally welded to one of the main body films. The wide tape is the other main body film. It is a packaging bag with a zipper tape, wherein the lower end is thermally welded in a state where the lower end is floated and the floated lower end is extended inward.

  Thus, according to the first aspect of the present invention, in the packaging bag formed by thermally welding the peripheral edges of the two opposing front and back main body films, the two front and back main body films are provided below the planned opening portion of the packaging bag. A zipper tape composed of a narrow tape having an engaging protrusion and a wide tape having an engaging recess is sandwiched between the two, and the entire width of the narrow tape is thermally welded to one of the main body films. The lower end of the wide film is heat-welded with the lower end lifted, and the lower end of the float is extended inwardly. By applying a measuring spoon containing the contents to the floating part at the lower end of the wide tape, the wide tape The floating part of the lower end of can be used as a scraping plate.

  According to a second aspect of the present invention, there is provided a zipper tape according to the first aspect, wherein a thick portion is provided in the vicinity of a tip portion of a lower end portion extending inward of the wide tape. It is a packaging bag with.

  Thus, according to the invention of claim 2, since the thick portion is provided in the vicinity of the tip portion of the lower end portion extending inward of the wide tape, the content is formed in the floating portion at the lower end of the wide tape. By applying a measuring spoon containing an object, the floating part at the lower end of the wide tape can be used as a scraping plate.

  The invention of claim 3 is the packaging bag with zipper tape according to the invention of claim 1 or 2, wherein the packaging bag is a standing pouch provided with a bottom seal portion or a gusset portion at the bottom. .

Thus, according to the invention of claim 3, since the packaging bag is a standing pouch having a bottom seal portion or a gusset portion at the bottom, the empty container can be folded and not bulky.
In addition, it is good also as a flat bottom pouch provided with the gusset part in which the bottom face was formed flat.

  Thus, the packaging bag with a zipper tape of the present invention can be easily resealed after taking out the contents, and at the same time, it slides the floated lower end attached to the zipper tape or the thick part attached thereto. By using it as a cutting plate, the contents can be taken out while being measured. Further, by using a standing pouch for the packaging bag, the packaging bag that has been used is easily folded and is not bulky and can be easily disposed of.

The present invention will be described in detail below based on one embodiment.
The packaging bag with a zipper tape of the present invention is, for example, as shown in FIGS. 1 and 2, a packaging bag (1) formed by thermally welding the peripheral edges (4) of two opposing body films (2, 3). ), And a wide width having a narrow tape (7) having an engagement protrusion (6) and an engagement recess (8) between the two main body films under the planned opening portion (5) of the packaging bag. A zipper tape (10) composed of a tape (9) is sandwiched, the entire width of the narrow tape is thermally welded to one of the main body films (2), and the lower width (11 ) Is heat-welded in a floating state, and the lower end (11) that is floated is extended inward.

  The narrow-width tape (7) and the wide-width tape (9) are fitted in such a manner that they can be resealed by an occlusion device comprising an engagement protrusion (6) and an engagement recess (8) provided inside each tape. And constitutes a zipper tape (10).

  And the floated lower end (11) is extended inward, is not heat-welded with the main body film, and is formed separately.

  Moreover, if the thick part (12) is formed inside the vicinity of the tip of the lower end part (11) extending inwardly of the wide tape (9), the contents are scooped up with a measuring spoon. After that, when the lower end portion (11) is used as a scraping plate for scraping off the surplus portion, the lower end portion (11) is reinforced by the thick portion (12) and becomes easy to slide.

  If necessary, the narrow tape (7) having the engaging protrusion (6) and the wide tape (9) having the engaging recess (8) can be reversed. That is, the engagement recess (8) can be provided on the narrow tape (7), and the engagement protrusion (6) can be provided on the wide tape (9).

  The zipper tape (10) needs to be able to be thermally welded to the sealant layer (22) of the packaging bag, and can usually be produced by injection molding a polyethylene resin. Similarly, the thick part (12) attached to the zipper tape can be produced by injection molding of polyethylene resin.

  Next, the main body films (2, 3) used in the packaging bag with a zipper tape (1) of the present invention will be described with reference to FIG. The main film (2, 3) has a structure in which the sealant layer (22) is laminated on at least the base material (21). An intermediate layer (not shown) or the like can be laminated as necessary.

As the substrate (21), a conventionally used film substrate such as a polyethylene terephthalate film or a stretched polypropylene film can be preferably used.
As the sealant layer (22), conventionally used polyolefin-based resins having heat seal properties such as polyethylene, polypropylene, and linear low density polyethylene can be preferably used.

  The form of the packaging bag may be a normal three-sided sealed bag, but a large capacity content can be accommodated in a packaging bag of the same area by using a standing pouch with a bottom seal or flat gusset at the bottom. It has the effect of being able to stand up, having a display effect, and being able to be folded down after use.

  Below, the usage method of the packaging bag with a zipper tape which consists of such a structure is demonstrated.

  From the planned opening (5), for example, a predetermined amount of powdery or granular seasoning is filled in the packaging bag (1) with zipper tape of the present invention, and the planned opening (5) is thermally welded and sealed. And a package with a zipper tape.

  When removing the contents from the packaging bag, the hermetically sealed planned opening portion (5) is torn in a direction parallel to the zipper tape from a notch or the like (not shown), or cut using an opening tool such as a pinch, Next, the two main body films (2, 3) are pulled left and right to open the packaging bag from the zipper tape.

  Next, the container is scraped from the opened packaging bag with a measuring spoon, and the upper part of the upper part of the spoon is lifted from the main body film at the lower end of the wide tape of the zipper tape, and the lower end portion (11) is extended and cut off. As a result, the scraped and scraped material is stored in a predetermined container. The same operation is repeated as necessary, and the required amount is stored in a predetermined container.

  After the removal of the contents is completed, the engagement protrusion (6) of the zipper tape and the engagement recess (8) can be fitted to re-seal the packaging bag.

  The contents can be taken out again by opening the zipper tape (the contents can be weighed with a measuring spoon), and the packaging bag is resealed by closing the zipper tape again. That is, it can withstand multiple uses.

  When the contents are exhausted and used up, the packaging bag can be folded and discarded and is not bulky.

It is plane explanatory drawing which shows one Example of the packaging bag with a zipper tape of this invention. It is sectional explanatory drawing which expands and shows the part which attached the zipper tape of one Example of the packaging bag with a zipper tape of this invention. It is sectional explanatory drawing which shows one Example of the laminated constitution of the main body film used for the packaging bag with a zipper tape of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Packaging bag 2 ... One main body film 3 ... Other main body film 4 ... Periphery 5 ... Opening planned part 6 ... Engagement protrusion 7 ... Narrow tape 8 ... Engagement recessed part 9 ... ...... Wide tape 10 ... Zipper tape 11 ... Lower end of wide tape 12 ... Thick part

Claims (3)

In the packaging bag formed by heat-sealing the peripheral edges of the two body films facing each other,
A zipper tape composed of a narrow tape having an engaging protrusion and a wide tape having an engaging recess is sandwiched between two main and front body films below the planned opening of the packaging bag. With zipper tape, the entire body is heat welded to one body film, the wide tape is heat welded to the other body film with the lower end floated, and the floated lower end is extended inward Packaging bag.   The packaging bag with a zipper tape according to claim 1, wherein a thick portion is provided in the vicinity of a tip portion of a lower end portion extending inward of the wide tape.   The packaging bag with a zipper tape according to claim 1 or 2, wherein the packaging bag is a standing pouch having a bottom seal portion or a gusset portion at the bottom.

Images