KR20140001629U - Burlap bag having air passageway structure - Google Patents

Abstract

The present invention relates to a feed bag improved in an air vent structure for safely packing and storing contents such as feed or fertilizer, and is provided with a cut-off guide provided only at a central portion on the upper side of the lower end joint of the bag, Since the air discharge passage is formed between the air discharge passage and the joint portion and the air discharge passage is formed with a predetermined shape of the air discharge slit, The air in the bag is discharged smoothly even when the multi-layer stacking is carried out for the transportation-storage after the packing, so that the bag is prevented from falling off due to slippage during transportation or storage, And transportability, and the contents of feeds, fertilizers, industrial raw materials, etc. While the gas produced books efficiently discharged, and leakage of the contents is prevented, and the contents are prevented from contamination by the intrusion of outside air has advantages such as that it is good storability.

Description

BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates to a bag having an air vent structure,

The present invention relates to a feeder bag having an air exhausting structure, and more particularly, to a feeder bag having an air exhausting structure, more specifically, to effectively discharge air inside a packaging container to an outside when packing, loading and transporting feed or fertilizer, And an air discharging structure capable of efficiently discharging inflow air but preventing loss of contents and preventing inflow of moisture or air into the inside of the outside.

Generally, feed is a feed for giving to fish, livestock, poultry or pet, and it is manufactured in consideration of improvement of quality such as taste, flavor and nutritive value of the product by improving the nutritional status of livestock and the like. For example, a concentrated feed is used to help absorb nutrients. The concentrated feed is made up of protein foods, carbohydrates, animal by-products and the like, and the thus-prepared feed is put into a vat feed bag Packed, transported and stored. These feeds are products whose storage and transportation conditions have a great influence on the quality of the product.

In addition, feedstuffs, compost, fertilizer, and industrial raw materials are also contained in a bag, which is a packaging material of vinyl material, and are sealed, and air or artificially infused gas flows naturally in the sealing process.

In this way, when the bag is packed, the bag is stacked in the process of transporting and storing. When the air is not discharged into the bag, the bag is tight due to the weight of the bag. In this case, The friction between the turrets is reduced, and loading failure occurs due to lifting or slipping.

Therefore, in order to prevent this, an air outlet is provided on one side of the turret.

The general bag is formed by punching a vent hole at one side edge of the bag to effectively discharge the air or filling gas contained in the packaging process and to discharge gas generated by fermenting the contents during distribution and storage.

As such, conventionally, there is a problem that not only the air and gas but also the contents are leaked out through the air hole to cause capacity loss and contaminates the external environment, and the contents are contacted with the outside air and moisture, Or contamination.

Accordingly, various conventional techniques have been proposed to solve such problems.

As a conventional example of this prior art, a registraion utility model No. 20-0457444 proposes a "air exhaust structure for a packaging machine" in which a blocking guide and an air exhaust hole are combined and is disclosed in Korean Patent Registration No. 10-1164776 entitled " "Proposes a method of forming a joint and a through hole at one side edge of a plastic material bag using an apparatus having a support frame, a heat-welded portion and a punch.

FIG. 3 is a schematic diagram for explaining these prior art embodiments, and conventional techniques will be described together with reference to FIG.

In the technique proposed in the registration utility model No. 20-0457444, the joining portion 110 is formed at the lowermost end of the product bag 100 such as feed or fertilizer, and air discharge holes (not shown) are formed in both corner portions on the upper side of the joining portion 110 And a blocking guide 120 is provided around the air discharge hole 102 to prevent air from being discharged from the bag 100 into the air discharge hole 102 . At this time, the blocking guide 120 is formed by sewing both sides of the bag 100 by a method such as thermocompression to form an air movement path.

However, since the conventional bag having the above-described blocking guide has the structure in which the blocking guide is formed at the both side edges of the lower end of the bag to constitute the air moving path, the air discharging hole is always open, When the particles are particles smaller than the size of the path or fine powder, the contents are discharged along the passage, and moisture or air outside flows back to the air discharge hole 102 to deteriorate the contents.

In order to cope with these problems, it is necessary to change the size and position of the air exhaust hole according to the particle size, the capacity and the bag material of the contents, and in addition, the shape of the blocking guide must be changed according to the product. There is a problem in that it is difficult to optimize. In addition, since air outlets are formed at both sides of the lower end of the turret, there are other problems such that they can not be used in a generally used M-shaped turret.

As another example of the prior art, in FIG. 3, a button valve 130 is provided on one side of a bag surface of the bag 100. As shown in FIG. The button-type valve 130 has a check valve function for discharging air. The button-type valve 130 has a function of discharging the air to the outside and blocking the entering of the outside air into the inside. It has been widely used because of its excellent effect of blocking the outside air.

Such button type valves are rigid PVC or plastic materials, and they are expensive parts manufactured with relatively high precision. Therefore, the price of the valve itself is high and the attaching work is added to increase the unit price of the bag, The contact portion between the button valve and the bag is easily broken at the time of attaching operation, and the damaged portion may be further damaged at the time of transportation and storage. In addition, since the button-type valve has a certain thickness, there is a problem that storage and workability are deteriorated because it is a cause of hooking when the bag is loaded. In addition, the feeder bag is also collected and recycled according to the trend of importance to the environment, but the button valve must be separated, so that there is another problem that the recycling cost is increased.

Registration No. 20-0457444 Registration No. 10-1164778

Accordingly, the present invention has been made in order to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide a packaging bag which has a simple structure for discharging air, And it is possible to effectively discharge the internal generated gas in the storage and distribution stages and to maintain the closed state naturally in the normal state to prevent infiltration of outside air and moisture to reduce the manufacturing cost of the turret, Thereby improving the flowability of the bag.

According to another aspect of the present invention, there is provided a packaging bag having an air venting structure,

And an air discharge structure in which the contents are charged and packaged through an upper opening, wherein both sides of the air bag are folded in an M-shape,

A joint formed at the lowermost part of the turret to seal the lower part;

A shielding guide formed at the center of the turret and spaced apart from the abutment by a predetermined distance to form an air movement path between the abutment and the abutment;

And at least one exhaust slit formed in the air movement path between the blocking guide and the bonding portion.

Further, the air moving passage may be formed to have a width of about 5-20 mm, and the exhaust slit may be formed in any shape of X or Y or a micro hole, and the exhaust slit may have a size of about 3-10 mm .

This design improves the air discharge structure to induce the air introduced in the lower part of the packaging bag at the middle part of the packaging process so that it can be easily discharged to the outside, thereby preventing leakage or deterioration of the product, lowering the manufacturing cost of the bag, It is possible to increase the versatility and facilitate the multi-stage loading of the packaging bag.

1 is a perspective view of a turret having an air vent structure according to the present invention;
2 is a front view of a turret having an air vent structure according to the present invention;
3 is a front view of a turret for describing an air vent structure according to the prior art;

Hereinafter, preferred embodiments according to the present invention will be described in more detail with reference to the accompanying drawings.

Fig. 1 is a perspective view of a turf for a feed having an air venting structure according to the present invention, which is an example of an M-shaped turret, Fig. 2 is a front view of a turf for a feed having an air vent structure according to the present invention, The upper portion is a sealed state, and will be described in association with each other.

First, the M-shaped bag 200 has a structure in which a product such as feed, fertilizer, industrial raw material or the like is injected and packed through the upper opening.

 The bag 200 is folded in an M-shape on both sides in the longitudinal direction, and joints 210 and 211 for sealing are formed on the lowermost and uppermost ends by heat fusion or sewing, And a blocking guide 220 is formed at a predetermined distance t from the upper side of the bonding portion 210. The separation distance t between the bonding portion 210 and the blocking guide 220 is about 5-20 mm, and the separated portion serves as an air moving passage. The shielding guide 220 is formed by joining the front surface and the back surface of the bag 200. The shielding guide 220 is formed only at the center portion at a certain distance from both sides of the bag 200 and is formed avoiding the M-

A plurality of "Y" -shaped exhaust slits 202 are formed in a size of about 3-10 mm in the air movement passage between the junction 210 and the blocking guide 220. The exhaust slit 202 is formed by a punch or the like, and may be formed in a predetermined shape, for example, an X or Y shape or a micro hole.

When the product is packed, the product is discharged through the upper open side of the bag 200. At this time, the blocking guide 220 prevents the product from directly flowing out to the exhaust slit 202. After sealing with the upper side joint part 211, The air inside the turret 200 is discharged through the moving passage and the exhaust slit 202.

If the spacing distance t is 5 mm or less, the air is not sucked out to reduce the effect of installing the exhaust slit 202. If the spacing distance t is 20 mm or more, the contents in the turret may be lost through the gap. Therefore, it is preferable to use when the content in the bag 200 is close to the fine powder or powder, and when the content is in the range of 20 mm, it is used when the content is larger than a certain size such as grain or feed.

Further, the blocking guide 220 may be formed by various methods such as a bar or a thermal fusion, so that the blocking guide 220 can be completely blocked or sealed, and a slight gap can be allowed to provide an auxiliary passage for air movement. Therefore, it can be easily formed in an M-shaped bag that both sides of the bag 200 are folded.

When the air pressure inside the bag is increased, the exhaust slit 202 becomes higher than the air pressure outside the bag, so that the air is pushed into the gap of the "Y" When the air pressure difference between the inside and outside of the bag is discharged, the "Y" shaped gap is restored to its original position by the elasticity. The size, shape, number and spacing of the exhaust slit 202 may be arbitrarily adjusted in consideration of the size of the bag, the size of the contents, and the like.

The exhaust slit 202 may be formed as a micro hole by piercing the piercing hole, and the micro hole has a function of naturally blocking the hole after releasing the gas inside the pellet.

As described above, the bag 200 having the blocking guide 220 and the exhaust slit 202 is discharged through the air transfer passage and the exhaust slit by air or artificially introduced gas that flows naturally into the bag during product packaging The gas produced by the fermentation of the product during the multistage stacking for movement or storage of the sealed bag is naturally discharged, and then the exhaust slit is recovered to the original state. The exhaust slit 202 is formed in a bag 200 made of vinyl material and has a slight elasticity and restoring force. The size and shape of the exhaust slit 202 can be easily adjusted according to the size and type of the contents, There is an increasing effect.

Accordingly, the feed bag according to the present invention improves the air exhaust structure of the bag for safely packing and storing the contents such as feed or fertilizer, so that it is possible to make the input for packing the contents easy, So that slidability is prevented during multi-layer stacking, the efficiency of storage and transportation is increased, the contents are fermented and discharged as a generated gas, and the contents are restored to the original state in the inside, There is an advantage such as being.

Description of the Related Art [0002]
100, 200: Pole
102: air discharge hole
110, 210, and 211:
120,220: Blocking guide
130: Button type valve
202: exhaust slit

Claims (3)

In the feed bag having an air discharge structure consisting of the packaging of the contents through the opening of the upper side, the both sides are folded in an M shape,
A joint formed at the lowermost part of the turret to seal the lower part:
Blocking guide is formed in the center of the bag spaced apart from the junction portion to form an air movement passage of about 5-20 mm width between the junction portion:
Feed bag having an air discharge structure comprising at least one exhaust slit formed in the air movement path between the blocking guide and the junction. The feed bag according to claim 1, wherein the exhaust slit is formed in any one of an "X" or "Y" shape or a micro hole. The feed bag according to claim 1, wherein the exhaust slit has a size of about 3-10 mm.

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