JPS61232187A - Container bag for carrying and storing dry type fluid substance - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Industrial field of application The present invention is directed to a so-called FI for transporting and storing dry flowable materials such as powdered or granular materials.
B C (Flexible Intermediate
Concerning the container bag (Bulk Container Bag), in more detail, it is a dry-flowable material in which two special reinforcing woven parts are provided on the original stage, and the ring handle part, side wall part, and bottom part are formed on the original stage with one width. Concerning container bags used for transportation and storage.

(Naka) Conventional technology In conventional circular and rectangular containers, it is necessary to separately sew a knot or loop to the container before installing a hanging ring. Additional reinforcing bands had to be installed at many points on the container to relieve stress.

(c) Problems to be Solved by the Invention As a result, the required amount and labor of the original plate have increased, and the process has become complicated, resulting in an increase in cost.

Furthermore, when the reinforcing band is sewn on, the original stage is damaged by the sewing needle, so the safety level of the reinforcing band sewing site is often lacking. However, in the case of a circular container, the bottom part must be prepared and sewn separately, and in the case of a rectangular container, both side walls of the main body part must be sewn separately, so the material There was a lack of economy in terms of consumption and labor.

Japan Act No. 51-84, 813 and No. 57-16
No. 4,040 discloses a technique for weaving a reinforcing woven portion on the original stage, but no hanging ring portion is formed.

The present invention is intended to eliminate the above-mentioned drawbacks of the prior art, and an object of the present invention is to provide an original stage in which special reinforcing woven strips are woven on both sides of the periphery of the container bag integrally with a membrane for manufacturing container bags. An object of the present invention is to provide a container bag with a very high degree of safety and economic efficiency by using the container bag and forming the hanging shaft part, side wall part and bottom part of the container bag with a base layer of one width. .

The object of the present invention is to provide a seam with a certain margin of width from each circumferential edge of the material layer of a woven container fabric in the longitudinal direction, and to From between the left and right side wall forming parts and the front and back side wall forming part of the bottom of the container, which is planned at the center of the original stage of a certain length, in which the reinforcing woven part is woven in the longitudinal direction densely and integrally with the membrane structure, Cut and remove the original tier of the reinforcement fabric on both sides, or bend it and sew it to the adjacent side wall, cut out the front and rear side wall forming parts along the longitudinal center line of the original tier, and then inward. After folding and stitching the stitched portions overlapping the stitching portions of the adjacent left and right side wall forming portions, stitching them at the center line of each of the front and rear side wall forming portions and the joining line with the adjacent bottom surface portion, This is achieved by the container bag of the present invention, which is characterized in that hanging shafts to be used for lifting at each corner are integrally formed with the container body.

(e) Examples Hereinafter, the present invention will be explained in detail with reference to the accompanying drawings.

First, before entering into a description of the present invention, a typical conventional container bag will be described using the drawing of FIG.

As shown in Fig. 1, conventionally, the front and rear side wall forming parts 3.4 are cut out from both ends of the bottom forming part 2 of the original stage 1 of container bag manufacturing fabric of a predetermined length and transferred to the corresponding parts. (Figure A), after sewing each side wall forming part 3, 4, 5.6 to the adjacent side wall forming part at its periphery in accordance with the standard designed to the predetermined dimensions, each of the four separately provided hanging By sewing the end of the hanging ring part 7 to the upper end of each side wall forming part (Fig. 18), the structure of the container bag with the lifting hanging ring formed was to be completed (Fig. 0).

FIG. 2(A) shows a woven membrane 8 for making container bags that is specially woven for use in the present invention.

Reinforcement strips 11 and 12 are respectively woven in the longitudinal direction inside the ears 9 and 10 of a predetermined width at positions adjacent to both peripheral edges of the original stage 8. FIG. 2(B) is a partially enlarged view of FIG. 2(A), and an unexplained reference numeral 13 indicates the center line of the original stage 8. On the left and right sides of this center line 16, seams 13a, 13a of a predetermined width are woven slightly more densely than the original material.
is woven.

In the material layer film 8, the weft of the material layer 8 is 2
13 stitches of 600 denier thread (1 stitch = 2.54 threads entering the wound) and 16 stitches of 1600 to 1700 denier thread for the warp, and 1600 stitches for the other parts of the warp at ears 9 and 10. - 16 to 21 stitches of thread of ~1700 denier, 16 to 21 stitches of thread of 1600 to 4000 denier for the reinforcing woven section 11゜12, 21 stitches of thread of 1600 to 1700 denier for the stitched parts 13'a, 13a Weave it to look like this.

Figures 3(A) to 3(C) show the above-mentioned original stage 8 of the present invention.
This figure schematically shows the process of constructing a container bag from the following.

As shown in FIG. 3(A), the bottom surface forming portion 14 and left and right side wall forming portions 15.16 of predetermined dimensions are cut out using the original stage 8, and the side wall forming portions 15, 16 are cut out to the outside of each side wall forming portion 15. Removal portions 17a, 18a, 17b of fixed dimensions.

j8b [the part corresponding to the inside of the dashed-dotted line in FIG. 2(A)] is cut out or removed part 17a.

If 18a, 17b, 18b are not cut out, these excluded parts are used as hanging ring parts 19a, 17b, 19
b.

It can be wrapped around the lower surface of 20b and sutured.

At this time, the left and right side wall forming portions 15 and 16 are connected to each hanging ring portion 19.
a, 20a, 19b, and 20b form the front and rear side wall forming portions 2.
1.22 is connected.

Next, along the center line 13, each of the front and rear side wall forming portions 21 is
．． Divide 22 into two half pieces 21&, 21b.

After forming the 22a and 22b, as shown in FIG. 3(B), the six and a half pieces are attached to each of the hanging ring portions 19a.

20a, 19b, and 20b are rotated 180 degrees, and the ears 9 and 10 on the periphery thereof are overlapped and sutured to the ears 9 and 1a of the corresponding left and right side wall forming parts, respectively. Next, the half pieces 21a, 22a, and 21b of the front and rear side wall forming parts
22b and the sutured portions 13a and 13a are sewn together at the diameter of the suture hole and the lower periphery that contacts the bottom portion 14, a skeleton structure of a single container bag 26 as shown in FIG. 3(C) is obtained. is completed.

In the present invention, the position of each component part of the container, the seamed part, the cut-off part, etc. are indicated with dyed thread of an appropriate hue during weaving so that the manufacturer can easily distinguish them when cutting the layered membrane. It is also possible to do so. The container of the present invention can also be provided with conventional inlets and outlets at the upper and lower ends.

The following table and the second (B
) Various experimental values of the container bag of the present invention will be explained below in connection with the material layering locations shown in the figure.

The following experiments were carried out using the KSKO520 method, and the results were as follows: 1.
The tensile strength in the warp direction of the original stage composed of 64 700 denier threads/10 cm is approximately 486 denier, which is 2.600 denier.
It is composed of 52 denier threads/10 cm, and the tensile strength in the north weft direction is about 540 #, which is dangerous. Polypropylene stretched tape yarn 1.700 denier 80 pieces 712.5 cm and 4.00 denier 80 yarns tested using KSK0520 method
Book/12.5ctn and polyester spun yarn
Yarn) The tensile strength of the hanging ring part of 240 fc/12.5 cfn, which is composed of 20 yarns/12 yarns/80 yarns/12.5 yarns, is approximately 3,040 yarns. The strength of the suture part tested using the KSKO520 method was approximately 124#, and the strength of the suture part tested using the KSKO520 method was approximately 124#,
The tensile strength of a suture composed of polypropylene 6.000 denier split yard tested in Method 15 was approximately 29.80.

As a result of an experiment in which a 2,000# load (for example, urea fertilizer) was placed in the container bag of the present invention, it was lifted up by a hoist using only two diagonal hanging rings, and then lowered. was not seen.

Furthermore, no breakage phenomenon was observed even when dropped from a height of 1.2 m many times.

(f) Effects of the Invention As described above, the container bag constructed according to the present invention is more durable than conventional container bags, and the manufacturing effort and cost are greatly reduced, making it highly economical.

[Brief explanation of the drawing]

Figures 1 (A) to C) are manufacturing process diagrams for a conventional container bag using conventional material bases, and Figure 2 (A) is for use in manufacturing the container bag of the present invention. The structure and partial explanatory diagram of the material source stage, Figure 2 (B) is the second
FIG. 3(A) is a partially enlarged view, and FIGS. 3(A) to 3(C) are manufacturing process diagrams of a container bag using the raw material of the present invention. Explanation of symbols for main parts of the drawings 9.10... ears, 11, 12... reinforcing woven parts, 1
400. Bottom part, 15.16... Left and right side wall forming part, 1
7a, 17b, l8a, 1ab...-cutting/removal part, 21...22... front and rear side wall forming part, 19a
, 19b. 20 m, 20 b---hanging ring, 21a, 21b
, 22a. 22b...half piece. 111 Kun drawing engraving (no changes in content) Dezu! -〇 Procedural amendment (method) % formula % Display of the case Patent application No. 6134 of 1985 Name of the invention Person who makes amendments to container bag for transportation and storage of dry flowable substances Relationship to the case Applicant name Tadao Liu

Claims (1)

[Claims] An ear portion having a certain margin width is provided from each peripheral edge in the longitudinal direction of the container material source stage, and inside the ear portion, a reinforcing woven portion is provided in the longitudinal direction integrally with the source layer structure more densely than the structure of the source material source layer. Cut and remove the left and right side wall forming portions of the bottom of the container bag, which are designed at the center of the original layer of a predetermined length woven into or folded and sewn to the adjacent side wall, and each of the front and rear side wall forming portions was cut out along the longitudinal center line of the original step.
The circumferential sutures of the half pieces are overlapped and sutured to the ears of the left and right side wall forming parts, and then sutured at the suture line of the half pieces and the joining line with the adjacent bottom part, and each corner is sutured. A container bag for transporting and storing dry flowable substances, characterized in that first to fourth hanging rings are formed integrally with the container body.