JP4270673B2 - Cleaning bag - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cleaning bag used for cleaning an object to be cleaned such as a cutting board.
[0002]
[Prior art]
Conventionally, cleaning of kitchen utensils such as cutting boards has been performed by filling a container with a cleaning liquid, immersing the kitchen utensil in the cleaning liquid and leaving it for a certain period of time.
However, when cleaning a large area such as a cutting board, it is necessary to fill the large container with the cleaning liquid and place a weight so that the cutting board will not be lifted by dipping in the cleaning liquid. Since the container and a large amount of cleaning liquid are required and a large space is required, the cleaning operation becomes complicated and it is very inconvenient.
[0003]
[Problems to be solved by the invention]
An object of the present invention is to provide a cleaning bag that can easily clean a cutting board and the like by reducing the amount of cleaning liquid without taking up a large space.
[0004]
[Means for Solving the Problems]
The inner surface is made of a non-breathable laminated film made of a thermoplastic resin layer, and three sides are thermally bonded at both end edge thermal bonding portions and side edge thermal bonding portions, and an opening / closing zipper is attached to the other side 4 A square-shaped bag, wherein a linear ventilation portion extending in a direction perpendicular to the both-end thermal bonding portion is formed across the both-end thermal bonding portions of the laminated film on one side constituting the bag, and the ventilation A tape-like air-permeable base material is thermally bonded to the inner surface of the laminated film at both ends of the air-permeable base material so as to cover the entire portion, and the object to be cleaned is stored in the bag. After the cleaning liquid is injected from the bag and the zipper is closed, the air remaining in the bag is removed from the air-permeable base material by pressing the upper surface of the bag with the surface on which the ventilation part is formed facing up. And exhaust through the ventilation part, the object to be cleaned in the cleaning liquid By left for a certain time as a state of complete immersion, a cleaning bag, which can clean the cleaning object.
[0005]
In the cleaning bag, by forming the linear ventilation portion into a linear cut or a broken line cut, the process of forming the ventilation portion in the laminated film can be simplified, so that the cleaning bag can be easily manufactured.
[0006]
In the cleaning bag, the air permeable base material has an air permeability (JIS P 8117) of less than 10 seconds and a water pressure resistance (JIS L 1092) of 500 to 1000 mm. Air easily passes through, but water does not easily pass through, so it is easy to remove air remaining inside the cleaning bag from the breathable base material with a cutting board and a cleaning solution sealed in the cleaning bag. It can be discharged and the cleaning liquid does not permeate. Therefore, it becomes possible to hold the cutting board or the like completely immersed in the cleaning liquid, and complete cleaning can be performed.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 is a plan view showing a first embodiment of the present invention, FIG. 2 is a cross-sectional view taken along the line II of FIG. 1, and FIG. 3 is a plan view showing a second embodiment of the present invention. Edge heat bonding part, 3 is side edge heat bonding part, 4 is a breathable base material, 5a, 5b are breathable base material heat bonding parts, 6 is a linear cut, 7 is a zipper, 7a is a fitting recess, 7b is The fitting convex portion, 8 is a broken line-shaped cut, and 9 is a notch hole.
[0008]
The first embodiment of the cleaning bag of the present invention is as shown in FIGS. As shown in FIG. 1, the planar shape is formed by superimposing a rectangular laminated film having an inner surface made of a thermoplastic resin layer with the thermoplastic resin layer on the inner side, and the edge thermal bonding portions 2a, 2b and side edge heat. Four sides where three sides are thermally bonded at the bonding portion 3 and a plastic zipper 7 is attached to the thermoplastic resin layer surface of the laminated film at a certain distance from the edge of the other side. The shape of the bag is such that a ventilation portion composed of linear linear cuts 6 perpendicular to the edge thermal bonding portions 2a and 2b is formed on one side of the laminated film constituting the bag, and the linear cuts 6 The tape-like breathable substrate 4 is thermally bonded to the inner surface of the laminated film by the breathable substrate heat bonding portions 5a and 5b so as to cover the whole. Although the position of the linear cut 6 in the first embodiment is not particularly limited, it is preferable to set it at a substantially central portion of the bag. Moreover, the space | interval of the edge which opposes the side edge heat-bonding part 3 and the zipper 7 is taken as 20 mm or more, and the part can be grasped with a finger and the zipper 7 can be opened easily.
[0009]
The cross-sectional configuration of the first embodiment is as shown in FIG. 2, and the tape-like breathable substrate 4 having a certain width covering the linear cut 6 formed in the laminated film on one side constituting the bag is heated. A plastic zipper 7 including a fitting concave portion 7a and a fitting convex portion 7b is heated on the surface of the thermoplastic resin layer of the laminated film at a position a certain distance inward from the edge facing the side edge thermal bonding portion 3 while being bonded. Each is attached by bonding. In 1st Embodiment, although it is in the state by which the edge of the laminated | multilayer film was faced | matched in the linear cut | interruption 6, even if the edge of a laminated | multilayer film is faced | matched at fixed intervals and the air-permeable base material 4 is exposed, Moreover, it is good also as the state which the edges of the laminated film in the linear cut | interruption 6 overlapped.
[0010]
The second embodiment of the present invention is as shown in FIG. 3, in which one laminated film constituting the bag is formed with a ventilation portion composed of the edge thermal bonding portions 2 a, 2 b and a broken line-shaped cut 8 in a direction perpendicular to the edge. Basically, except that the distance between the outer edge of the zipper 7 and the edge opposite to the side end thermal bonding portion 3 is increased, and a notch hole 9 serving as a handle is formed outside the zipper 7. Is the same configuration as in the first embodiment. By making the cut line into a broken line cut 8 as in the second embodiment, the laminated film is not separated when the broken line cut 8 is formed in the laminated film. Workability in the process of superposing and bonding the materials 4 is improved. Further, by forming the cutout hole 9 in the laminated film outside the zipper 7, there is an advantage that the contents and the cleaning liquid can be suspended and left standing. In the first and second embodiments, the ventilation portion is a linear cut 6 or a broken line cut 8. However, the ventilation portion may be a notch hole, a curved cut, a diagonal cut, an x-shaped cut, or the like. is there.
[0011]
The width of the tape-like breathable substrate 4 is preferably about 10 to 30 mm except for the breathable substrate heat-bonding portions 5a and 5b. By doing so, the cleaning liquid is put into the bag and the zipper 7 The air remaining inside when sealed with can be easily discharged. Although there is no restriction | limiting in particular as the width | variety of the air permeable base-material heat bonding part 5a, 5b, Sufficient thermal-adhesion intensity | strength is obtained by setting it as 5-10 mm. As the breathable substrate 4, a polyolefin-based nonwoven fabric having a property of allowing air to permeate but not allowing water to permeate, and having excellent thermal adhesiveness with the thermoplastic resin layer surface of the laminated film is used.
[0012]
By using the cleaning bag of the first and second embodiments, a cutting board or the like to be cleaned is stored in the cleaning bag, the cleaning liquid is filled in the bag, the zipper is closed, and then the cleaning bag line is The surface having the cut line 6 or the broken line cut line 8 is placed on the upper side and is horizontally placed, and the upper surface of the bag is pressed by hand to discharge air remaining inside from the breathable base material 4 and left for a certain period of time. Thus, the contents stored in the cleaning bag can be cleaned. Kitchen utensils and the like can be easily washed without requiring a large container and taking up a large space. Since the cleaning bag of the second embodiment can be hung and left as it is, there is an advantage that it takes up less space than that of the first embodiment.
[0013]
The breathable substrate 4 needs to be able to discharge the air remaining in the interior by putting a cutting board and a cleaning solution into a cleaning bag and pressurizing it in a sealed state, and water should not permeate out. Therefore, a nonwoven fabric or the like having a property that air easily permeates but water hardly permeates is used. As the nonwoven fabric having the above properties, those having an air permeability of less than 10 seconds and a water pressure resistance of 500 to 1000 mm can be suitably used. When the water pressure resistance is 500 mm or less, the air-permeable substrate 4 easily transmits air but easily transmits water. Conversely, when the water pressure resistance is 1000 mm or more, water does not permeate but air does not easily pass through. Is difficult to discharge to the outside.
[0014]
The air permeability referred to in the present invention is a value measured according to [JIS P 8117], and is a number representing the time required for 100 ml of air to pass through a test piece having an area of 645 mm ² in seconds. Is a value measured according to [JIS L 1092] (high water pressure method), and the surface of a test piece of 15 cm × 15 cm is soaked in water at a rate of 100 kpa (1 kg / cm ² ) per minute. It is a number indicating the value of water pressure when water oozes out from three places on the back of the test piece when water pressure is applied. As a breathable base material having the above-mentioned conditions, for example, a thickness of LLDPE spunbond 30 g / LDPE melt flow 20 g / LLDPE spunbond 30 g having an air permeability of less than 2 seconds and a water pressure resistance of 800 mm. 80 g / m ² of non-woven fabric (Idemitsu Petroleum) or the like can be used.
[0015]
As the zipper 7, one made of polyethylene or the like generally used for plastic bags or the like having a combination of the fitting concave portion 7a and the fitting convex portion 7b can be used. In order to increase the fitting strength, a continuous zipper in which two fitting recesses and two fitting protrusions are arranged in parallel may be used.
[0016]
The laminated film is composed of a base layer composed of a biaxially stretched film such as biaxially stretched polyethylene terephthalate and biaxially stretched nylon, a low density polyethylene, a linear low density polyethylene, an ethylene-vinyl acetate copolymer, and the like. A laminate with a thermoplastic resin layer is used. Since it is a bag to be used with a cleaning liquid, it is necessary to have excellent strength, flexibility and pinhole resistance. As the laminated film, biaxially stretched nylon / dry lamination / linear low density polyethylene, biaxially stretched nylon / extruded polyethylene / linear low density polyethylene, biaxially stretched nylon / dry lamination / ethylene-vinyl acetate copolymer, 2 Axial stretched nylon / extruded polyethylene / ethylene-vinyl acetate copolymer, biaxially stretched polyethylene terephthalate / dry lamination / linear low density polyethylene, biaxially stretched polyethylene terephthalate / extruded polyethylene / linear low density polyethylene, and the like.
[0017]
【Example】
A non-breathable laminated film was produced by dry-laminating a 15 μ biaxially stretched nylon film and a 60 μm linear low density polyethylene film using a urethane adhesive.
As an air-permeable base material, the air permeability (JIS P 8117) is less than 2 seconds, and the water pressure resistance (JIS L 1092) is 800 mm. A nonwoven fabric (Idemitsu Petroleum) having a thickness of 80 g / m ² was used.
Using the above laminated film and a breathable substrate, the outer dimensions are 250 mm x 515 mm, the width of the breathable substrate is 50 mm, the width of the breathable substrate heat bonding part is 10 mm, and the distance between the zipper and the edge is A cleaning bag having a shape of 30 mm shown in FIG. 1 was prepared.
After putting the cutting board and cleaning solution into the cleaning bag prepared above and closing the zipper, the cleaning bag can be placed horizontally and the upper part can be pressed by hand to completely remove the air remaining inside. It was. By leaving it in this state for 1 hour, the cutting board could be completely cleaned.
[0018]
【The invention's effect】
A square bag having an inner surface made of a non-breathable laminated film made of a thermoplastic resin layer and thermally bonded to three sides and attached with a zipper for opening and closing on the other side. For cleaning with a structure in which a ventilation part is formed in the laminated film and a tape-like breathable substrate is thermally bonded to the inner surface of the laminated film at both ends of the breathable substrate so as to cover the entire ventilation part It is a bag. In this case, after storing the cutting board etc. in the cleaning bag, injecting the cleaning liquid and closing the zipper, press the upper surface of the cleaning bag with the surface where the ventilation part is formed facing up, so that the inside of the bag The remaining cutting air is discharged through the breathable base material and the ventilation section, and the cutting board and the like can be easily cleaned by leaving the cutting board and the like completely immersed in the cleaning liquid for a certain period of time.
In the cleaning bag, by forming the ventilation portion as a linear cut or a broken line cut, the process of forming the ventilation portion in the laminated film can be simplified, so that the cleaning bag can be easily manufactured.
In the cleaning bag, the air permeable base material has an air permeability (JIS P 8117) of less than 10 seconds and a water pressure resistance (JIS L 1092) of 500 to 1000 mm. Air easily passes through, but water does not easily pass through, so it is easy to remove air remaining inside the cleaning bag from the breathable base material with a cutting board and a cleaning solution sealed in the cleaning bag. It can be discharged and the cleaning liquid does not permeate. Therefore, it becomes possible to hold the cutting board or the like completely immersed in the cleaning liquid, and complete cleaning can be performed.
[Brief description of the drawings]
FIG. 1 is a plan view showing a first embodiment of the present invention.
2 is a cross-sectional view taken along the line II in FIG.
FIG. 3 is a plan view showing a second embodiment of the present invention.
[Explanation of symbols]
2a, 2b Edge thermal bonding part 3 Side thermal bonding part 4 Breathable substrate
5a, 5b Thermal bonding part of breathable base material 6 Linear cut 7 Zipper
7a Mating recess
7b Mating convex part 8 Broken line cut 9 Notch hole

Claims (3)

The inner surface is made of a non-breathable laminated film made of a thermoplastic resin layer , and three sides are thermally bonded at both end edge thermal bonding portions and side edge thermal bonding portions, and an opening / closing zipper is attached to the other side 4 A square-shaped bag, wherein a linear ventilation portion extending in a direction perpendicular to the both-end thermal bonding portion is formed across the both-end thermal bonding portions of the laminated film on one side constituting the bag, and the ventilation part Ri on the inner surface of the laminated film so as to cover the entire tape-like breathable substrate Do from thermal bonding configurations at both side ends of the breathable base material, housing the object to be cleaned in said bag After the cleaning liquid is injected and the zipper is closed, the air remaining in the bag is removed from the air-permeable base by pressing the upper surface of the bag with the surface on which the ventilation part is formed facing up. The material to be discharged through the ventilation part and the object to be cleaned in the cleaning liquid By left for a certain time as a state of complete immersion, washing bag, characterized in that cleaning the object to be cleaned. 2. The cleaning bag according to claim 1, wherein the linear ventilation portion has a linear cut line or a broken line cut line. The bag for cleaning according to claim 1, wherein the breathable substrate has an air permeability (JIS P8117) of less than 10 seconds and a water resistance (JIS P1092) of 500 to 1000 mm.

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