JPH0524536U - Moisture-proof bag - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent moisture from entering the moisture-proof bag and to easily make the moisture-proof bag. [Composition] A moisture-proof bag characterized in that a bent portion is provided on the lower side of the moisture-proof bag, folding pieces are provided on the upper side, and double seal portions are provided on the left and right sides of the bag. .

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This invention relates to a moisture-proof bag for storing electronic parts and other items that are sensitive to humidity.

[0002]

[Prior Art]

 As a conventional moisture-proof bag, as shown in FIG. 6 and FIG. 7, two bag members 11 and 12 of the same size are stacked and the left side portion, the right side portion and the lower side portion of the bag members 11 and 12 are respectively placed. A moisture-proof bag provided with a seal portion 13 adhered with an adhesive or the like is generally used.

[0003]

[Problems to be solved by the device]

 In this conventional moisture-proof bag, there is a problem that the seal parts must be formed on the three sides, that is, the left side part, the right side part, and the lower side part. Highly sophisticated electronic parts such as boards are stored in a moisture-proof bag to prevent deterioration and deterioration due to humidity during storage and transportation after manufacturing. In the moisture-proof bag provided with a single seal part, the number of seal parts on three sides is as many as three, and the humidity is more completely prevented from entering the bag due to the single seal part. There was a problem that it was difficult.

The present invention is intended to solve these problems of the conventional moisture-proof bag, prevent moisture from invading the moisture-proof bag, and make the moisture-proof bag easily. .

[0005]

[Means for Solving the Problems]

 The moisture-proof bag of the present invention is provided with a bent portion on the lower side of the moisture-proof bag, folding pieces on the upper side, and double seal portions on the left and right sides of the bag.

[0006]

[Operation] Since the seal part is reduced by one by bending the bottom side of the moisture-proof bag and the left and right side parts of the moisture-proof bag are made into double seal parts, the humidity is lower from the lower side and the left and right side parts of the bag. Well prevented from entering inside. After storing electronic parts and other items in the moisture-proof bag from the upper side of the bag, double-seal parts are provided on the upper side of the bag in the same manner as the double-sided seal parts on the left and right sides. Humidity is well prevented from entering the bag from above.

[0007]

【Example】

 Next, one embodiment of the moisture-proof bag of the present invention will be described with reference to the drawings. As shown in FIGS. 4 and 5, a bag material 1 having a length that is about twice as long as a bag and having a moisture-proof property, for example, a polyethylene resin (PE) is formed into a thin film on both sides of an aluminum alloy foil. The applied bag material 1 is folded in two from the back side to the front side, and the bent portion 2 is provided on the lower side. Folding pieces 3 and 3 continuous with the bag material 1'are provided in advance on the left side and the right side of the bag material 1'on the back side, respectively, and at the upper side of the bag material 1'on the back side, the folding piece continuous with the bag material 1 ' The piece 4 is provided in advance, and the folding pieces 3 and 3 provided on the left and right sides of the back side bag material 1'are folded back onto the front side bag material 1 "and folded back to the back side bag material 1 '. A moisture-proof bag 6 in which double heat-sealing portions 5 and 5 are provided by a heat-melting synthetic resin (PE) that is coated with a piece 3 on both sides of the front-side bag material 1 ″ and applied in a thin film form. .

When the moisture-proof bag 6 of this embodiment is actually used, as shown in FIG. 1 and FIG. In the same manner as the heat-sealing parts 5 and 5, the folding piece 4 on the upper part of the moisture-proof bag 6 is folded back to provide the double heat-seal part 8 on the upper part, and the upper opening 7 of the moisture-proof bag 6 is sealed. Store the items in the moisture-proof bag 6 for use.

In this embodiment, as the bag material 1, the bag material in which polyethylene resin (PE) is applied in a thin film on both sides of the aluminum alloy foil has been described, but as the bag material, an aluminum foil (aluminum alloy foil and pure Aluminum foil) and a synthetic resin film, or a heat-fusible synthetic resin such as polypropylene resin (PP), ethylene-vinyl acetate copolymer (EVA), ethylene-acrylic acid ester copolymer (on the heat-sealing side of the aluminum foil). EEA), ethylene-acrylic acid copolymer (EAA), ionomer resin, amorphous polyethylene terephthalate (A-PET), vinyl chloride-vinyl acetate heat seal lacquer, vinyl chloride-acrylic heat seal lacquer, or a bag material provided with the film. And the double seals are glued together. Alternatively, it may be heat-sealed with a hot-melt synthetic resin. Heat-sealing synthetic resin is easier to heat seal.

[0010]

[Effect of the device]

 Since the moisture-proof bag of this invention has a bent portion on the lower side of the moisture-proof bag and folding pieces on the upper side, and double seal portions on the left and right sides of the bag, the lower side of the moisture-proof bag It is possible to completely prevent the ingress of humidity from the parts, and it is possible to prevent the ingress of humidity from the left and right sides of the moisture-proof bag. Since the bottom side of the bag does not need to be provided with a seal portion simply by folding, the moisture-proof bag can be easily manufactured. Furthermore, after storing the stored items in the moisture-proof bag through the upper opening, the double seals are provided by the folding pieces provided on the upper side as well as the double seals on the left and right sides for storage. Humidity can be prevented from entering from the upper part of the moisture-proof bag that stores items.

[Brief description of drawings]

FIG. 1 is a plan view of the product of the present invention.

FIG. 2 is an enlarged sectional view taken along line AA of FIG.

FIG. 3 is a plan view of the product of the present invention in use.

FIG. 4 is a plan view of a bag material.

FIG. 5 is a plan view of the bag material folded in two.

FIG. 6 is a plan view of a conventional product.

FIG. 7 is an enlarged sectional view taken along line BB of FIG.

[Explanation of symbols]

 1 Bag material 2 Bending part 3 Folding piece 4 Folding piece 5 Seal part 6 Moisture-proof bag 7 Upper opening part 8 Seal part

Claims (7)

[Scope of utility model registration request] 1. A bag material having a moisture-proof property which is about twice as long as the bag is folded in two from one side to the other side to provide a bent portion on the lower side and one side. The folding material is provided on the left side portion, the right side portion, and the upper side portion, respectively, and the folding pieces on the left side portion and the right side portion of the bag material on the one side are folded back on the bag material on the other side. A moisture-proof bag, characterized in that the left and right side portions of the bag material on the other side are covered with the bag material on one side and the folded piece from both front and back sides to provide a double seal portion. 2. The moisture-proof bag material is a thin film of synthetic resin coated on an aluminum foil.
Moisture-proof bag. 3. The moisture-proof bag according to claim 1, wherein the moisture-proof bag material is formed by coating a heat-meltable synthetic resin in a thin film on an aluminum foil. 4. The moisture-proof bag according to claim 1, wherein the moisture-proof bag material is a laminate of an aluminum foil and a synthetic resin film. 5. The moisture-proof bag according to claim 1, wherein the moisture-proof bag material is a laminate of an aluminum foil and a heat-meltable synthetic resin film. 6. The moisture-proof bag according to claim 1, wherein the double seal portion is sealed with an adhesive. 7. The moisture-proof bag according to claim 1, wherein the double seal portion is sealed with a heat-meltable synthetic resin.