JPH0637220B2 - Resin bag for rice grains - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) This is an invention relating to a rice grain bag made of a resin bag (a bag made of polypropylene and having a width of 2 mm to 3 mm wide and plain weaved vertically and horizontally).

(Prior Art) A rice bag made of paper bags with three layers of kraft paper does not have air flow, and the rice grains are not only steamed and deteriorated, but also may be broken when exposed to rain.
As shown in Japanese Patent Publication, a resin bag made of polypropylene 2 mm to 3 mm wide strip-shaped yarns is plain weaved in the length and width, so that air circulates better inside and outside than the weave and does not break even if it gets wet with rain. , Has come to be used as a rice grain bag instead of a paper bag.

In this conventional product, as shown in FIG. 4, the knot attached to the bag mouth is used as a core to wind the bag mouth, and both ends of the knot are tied to close the bag mouth.
Stack in the warehouse.

(Problems to be solved by the invention) However, in this conventional product, when the bag mouth is wrapped around the knot with a core,
Rice grains may leak from the bag mouth, and when wound deeply, the impact of dropping the bag may cause the rice grains stuck inside to strongly push the bag mouth and open the bag mouth.

Moreover, when the conventional product is filled with rice grains, it becomes medium-high and has an elliptical shape when viewed from the side, as shown in FIG. 5A.
When they are stacked in a warehouse, they have the drawback that they cannot be bulky and stacked in large numbers, and that they are easily overloaded.

The present invention is a resin bag improved not only for women and women who can wrap the string accurately without being biased to the depth, but also to prevent the string from becoming medium or high even when packed with rice grains.

(Means for Solving the Problem) The cylindrical body 1 in which polypropylene band threads of 2 mm to 3 mm width are plain woven vertically and horizontally is folded inward on both left and right sides in a V shape, and then the bottom side 3 is folded upward. V-shaped folding pieces 2 on both sides,
Sewing 4 together with 2.

Then, the middle portion of the knot 5 is attached to the surface of the tubular body 1 slightly below the bag mouth to form free pieces 5a on the left and right of the knot 5, and the V-shaped folding pieces 2 and 2 on the left and right of the bag mouth are formed. The sewing machine 6 is sewn on the tubular body 1.

Then, a mark line 7 is written below the string 5 in the width direction of the tubular body 1 which has finished winding the bag with the string 5 as a core (Claim 1).

The folding pieces 2 and 2 at the bag mouth may be sewn 6 on the front surface and the back surface of the tubular body 1 (claim 2),
The front surface may be separated and the folding pieces 2 and 2 may be sewn together with the back surface (claim 3), or only the back surface and one piece of the folding piece 2 overlapping with this may be sewn (claim 4).

(Operation) Rice grains are packed from the bag mouth of the tubular body 1, the bag mouth is wound around the knot 5 until the knot 5 reaches the marking line 7, and the left and right loose pieces 5a are bound. In this way, when the bag body is placed sideways as shown in FIG. 5B, the left and right V-shaped folding pieces 2, 2 are pushed by the rice grains inside and extend substantially vertically, and the bag body becomes flat. Then, as in claim 2, the folding pieces 2 and 2 at the bag mouth are attached to the tubular body 1.
The sewing machine 6 sewn together with the front surface and the back surface of the sewing machine is combined with the V-shaped folding pieces 2 and 2 on both sides of the sewing machine to sew the sewing machine 4 together with the V-shaped folding pieces 2 and 2 on both sides. It retains its shape well (see Figures 3A and B).

Further, as in claim 3, the surface of the tubular body 1 in the bag mouth is separated, and the folding pieces 2 and 2 are sewn together with the back surface of the tubular body 1 by sewing, and the opening is wider than the bag mouth of claim 2. (See FIG. 3C).

Further, as in claim 4, a sewing machine in which only the back surface of the tubular body 1 at the bag mouth and one piece of the folding piece 2 overlapping with this are sewn with a sewing machine is wider than the bag mouth of claim 3 (FIG. 3D). reference).

(Example) A resin bag for rice grains containing 30 kg according to the present invention will be described. The width of the tubular body 1 obtained by plain weaving polypropylene thread strips having a width of 2 mm to 3 mm in a length and width of 50 cm is 85 cm.
The width of each of the folding pieces 2 is 7 cm. Next, the bottom side 3 is folded upward by 2.5 cm, and the sewing sewing 4 is performed together with the V-shaped folding pieces 2 and 2 on both sides.

Then, mark lines 7 are written in the width direction of a portion 68 cm from the bottom 3.

The marking lines 7 may be provided on the front and back of the tubular body 1, or may be provided on only one of them.

In addition, above the marking line 7, the middle portion of the knotting string 5 with a length of 60 cm is sewn on the surface 6 cm below the bag mouth, and the length 1
A free piece 5a of 5 cm is formed.

In the present invention, however, the folding pieces 2, 2 at the bag mouth are
Is sewn together with the front surface and the back surface of the tubular body 1 (claim 2).

Alternatively, the front surface of the tubular body 1 at the bag mouth is separated, and the back surface and the folding pieces 2 and 2 are sewn with a sewing machine (claim 3).

Alternatively, only the back surface of the tubular body 1 at the bag mouth and one piece of the folding piece 2 overlapping with the back surface are sewn with the sewing machine (claim 4).

By filling rice grains from the bag mouth and wrapping the cord 5 around the cord so that the cord reaches the mark line 7 and tying the loose pieces 5A at both ends, 30 kg of rice grains can be stored without excess or deficiency, and even if thrown out, it is a bag. The mouth doesn't open.

(Effect of the invention) According to the present invention, since there is sewing sewing in which V-shaped folding pieces on the left and right of the bag mouth are overlapped and sewn together, both sides of the bag mouth can be folded into V-shape when winding a knot, The V-shaped shape of the folded piece of the bag is retained without any difficulty in aligning the edges of the bag mouth on the opposite side, the knot can be easily wound, and the knot reaches the mark line 7. Up to this, if the bag mouth is wound with this as a core, neither too shallow nor too deep, a certain amount of rice grains can be contained in the tubular body 1 without excess or deficiency, and the bag mouth is wound with a knot as a core. Unlike conventional products, rice grains do not leak from the bag mouth, and unlike conventional products in which the bag mouth is deeply wound around a knot, there is no risk of the bag mouth opening due to the impact thrown out.

V-shaped folding pieces 2 and 2 are formed on the left and right sides of the upper tubular body 1, and the lower portion of the folding piece is sewn together with the bottom side 3 that is folded upward, and the upper portion of the folding piece is sewn on the left and right sides of the bag mouth. Therefore, if you keep the V-shaped shape well and fill the cylindrical body with rice grains, the V-shaped folding piece will extend vertically and the bag will be flat, and it will not be bulky even if it is stacked in the warehouse, and it will have more stages than before. Can be stacked on top of each other, and the load will not collapse.

In the bag of the present invention in which a certain amount of rice grains are enclosed by a machine or the like, even women and women can not only wind it accurately in a shallow depth, but can also wind rice grains by winding the bag mouth at the mark line with the knot as the core. It can be packed in a bag with a certain amount of space so that it does not become medium-high when packed.

[Brief description of drawings]

1 is a front view of the present invention, FIG. 2 is a sectional view taken along the line II-II, FIG. 3A is a perspective view of the bag mouth in the invention of claim 2, B is a plan view thereof, and C is a request. A plan view of the bag mouth in the invention of claim 3, D is a plan view of the bag mouth in the invention of claim 4,
4A, B, and C are illustrations of use of conventional products, and FIGS. 5A and 5B.
FIG. 4 is a side view showing a state in which a conventional product and a product of the present invention are stacked. Reference numeral 1 is a tubular body, 2 is a folded piece, 3 is the bottom side, 5 is a cord, 5a is a loose piece, and 7 is a marking line.

Claims (4)

[Claims] 1. A tubular body is folded inward on both the left and right sides in a V shape, then the bottom side is folded upward and sewn together with V-shaped folding pieces on both sides, and a mark line is formed slightly below the bag mouth. A resin bag for rice grains, which is formed by attaching a middle portion of a string to the upper surface, forming free pieces for binding on the left and right sides, and polymerizing and sewing V-shaped folding pieces on the left and right of the bag mouth. 2. The V-shaped folding pieces on the left and right of the bag mouth are sewn together with the front surface and the back surface of the tubular body with a sewing machine.
Resin bag for rice grain shown in. 3. The resin bag for rice grains according to claim 1, wherein the surface of the tubular body at the bag mouth is separated, and the V-shaped folded piece and the back surface are sewn with a sewing machine. 4. The rice grain resin bag according to claim 1, wherein a back surface of the tubular body at the bag mouth and a piece of folding piece overlapping with the back surface are sewn with a sewing machine.