SU1209325A1 - Method of packaging loose material - Google Patents

Description

2. A method of pop, 1, characterized in that during the process of twisting the tape into a roll, tension is created in the cords to press down the flowing material.

The invention relates to the field of packaging, in particular to methods for packing bulk materials.

The aim of the invention is to improve the reliability and tightness of the package by continuously maintaining the tension of the binding cords sufficient to ensure the strength of the package and pressing the bulk material in parallel during the twisting of the elastic tape into a roll and sealing the package with internal turns of the cords,

Fig. I depicts shaped packaging in a perspective view; in fig. 2 - packaging at the time of its formation with the option of laying two braiding cords under the wrapped edges of an elastic tape; in fig. 3 is a variant of threading the braid cords through the holes made in the edges of the elastic band wrapped over the layer of load with parallel laying of the cords; in fig. 4 shows a variant of threading the cords alternately through holes in one and the other edge of the elastic band.

For carrying out the method, a package is used, containing a tape I whose side sides 2 are wrapped inside over a layer of load E and binding cords 4 laid along the entire length of tape 1 on a layer of load 3. The length of the binding cords 4 are longer than tape 1 by the length of the free ends for shrinking coil 5. Tape 1 and strap cords A are connected at one end to a rigid core, 6 and rolled together with a layer of load 3 into roll 5, bathed and shrunk by free ends of strap cords A, fitted with retaining straps 7, fixed in zamkovps arranged gst3 .- The method according to any one of the preceding claims, so that holes are made in the sides of the tape, and the cords are passed through them.

wah 8 fixed through elastic pads 9 on the outer turn of the roll 5.

The sides of the 2 tape 1 can be made holes 10

(Figs. 3 and 4) for threading the cords 4.

Before starting the packaging, the tape 1 is unwound from a flexible packaging material, a dosed layer of cargo 3, which is a bulk material, is placed above it.

Along the horizontal section of the tape 1 along its entire length, along the length of the load 3, the strap cords 4 are laid along the edges of the load layer. The length of the cord cords 4 exceeds the length of the tape S by the length of the free ends to tighten the roll 5. The sides 2 of the tape 1 wrap the top of the load layer 3 so that they cover the cords 4 and twist the tape 1 together with the load 3 and cords 4 around the core 6 into a roll 5. The remaining ends of the twisting of the roll 5 with the free ends of the stitching cords 4 wind the roll 5, tighten it and fix the ends of the cords 4 from unwinding with the formation of slinging loops 7 with locking devices ivoi 8 secured with 1-1 and through elastic pads 9 on the exterior. roll-roll 5, fixing roll 5,

The braiding cords 4 can be laid over (or) under the side 3 of the tape 1 rolled over the load layer 3.

In the process of tightening the tape I

In the roll -5, it is possible to continuously maintain the tension of the braiding cord, s 4, sufficient to ensure the strength of the package and the associated pressing of the load 3.

After tightening the sides

tapes 1 they can be made

3

holes 19, through which threading cords 4 (Fig. 3) are laid over the layer of cargo 3,

The holes in the sides of the tape 2, for example polyethylene film wrapped over the layer of cargo, are melted by touching it with a hot punch. At the same time, on the edges of the holes, thickening of molten and solidified polyethylene is formed, which increases their strength.

Binding cords 4 can also be threaded alternately through the holes 10 in one and the other side 2 of the tape 1 (Fig. 4).

Twisting the tape of flexible packaging material with a load and braiding cords 4 around the core 6 into the roll 5 can be done using an electric or other drive with a cool torque applied to both the core and the outer turn of the roll 5.

PRI me R. A polyethylene film 1.6 m wide and 5.7 m long is used as an elastic tape.

An asbestos layer with a width of 0.6 and a thickness of 0.3 m can be a strong material. Two leather nylon cords 10 m long with a length of 10 m are placed on top of this layer and the sides of the tape are wrapped inside over the load layer so that they cords. . In this case, the width of the side 2 of the tape 1 lying on top of the layer is 0.2 m. Attach the ends of the cords to a rigid core, which can be a plastic pipe. Twist the tape along with the load and cords around the core into a roll, performed two turns to form a roll with a diameter of 1.2 m. After the end of the twisting ends of the remaining cords with a length of 4.7, the roll was wrapped around the roll, pulled it and fix the ends of the cords in a self-closing lock fixed through the pads on the outer coil of the roll. At the ends of the cords form slinging loops.

The method is also suitable for materials with poor fluidity; rio is more effective when packing low-flowable materials or when packing materials that require the sealant of Ci. Lightly flowable materials that require sealing during packaging are also cement, gypsum, flour, and calcium.

Noda soda, granulated and powdered fertilizers. In addition to these, sealing during packaging requires peat for bedding, haylage,

5 not relevant to flowing materials.

The invention allows to increase the reliability and tightness of the package during transportation and storage of this material bundle, reducing the consumption of elastic tape per ton of cargo, the cost of loading, unloading, transport and storage operations by increasing the thickness of the layer.

t5 of the load on the tape up to a value equal to the width of the layer of the load. In this case, the laying of the braid cords under the wrapped sides of the tape of flexible packaging material and

30, the continuous tensioning of the cords during the formation of the package increases its strength and tightness. Laying the cord on the wrapped top layer

The load side of the tape simplifies the process and creates the conditions for its automation, which increases reliability. Threading cord strings through the holes in the side

30 sides of the tape gives the opportunity

more evenly collect along the cords the folds formed on the tape due to the difference in the twisting radii of the wrapped sides and

es of the middle part of the tape, which also increases the tightness and reliability of the packaging. The size of the folds regulates the distance between the holes. To prevent disassembly of the elastic tape during repeated overloading of the packaging, the bracing cords can be passed through alternately through holes in one and the other side of the tape. Use of the invention

45 increases, due to the better tightness of the package, the safety of the cargo, both in quantitative and qualitative terms: the loss of cargo due to asking and damage from

5Q contact with the environment (for example, peat for bedding, transported in unsealed packaging, quickly loses commercial value

because of vysili).

In addition, the invention allows, during the packaging process, to compress a load by pulling the braid cords without using special pressing devices.

fig.g

10 4

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Claims (3)

1. METHOD FOR PACKING BULK MATERIAL, which involves placing the latter on a tape of flexible packaging material, wrapping the sides of the tape over a layer of cargo of bulk material, twisting the mite together with the bulk material around the core into a roll and fixing the latter, characterized in that, in order to increase reliability and the tightness of the package, cords are laid above and / or under the sides of the tape, the length of which exceeds the length of the tape, while the tape is twisted around the core together with the cords, and yu roll produce the free ends of the cords. 2. The method according to π, 1, with the fact that in the process of twisting the tape into a roll create tension on the cords for pressing the bulk material. 3.- The method according to π. 1, characterized in that in the lateral sides of the hole, and 'through them. tapes carry cords pass through