JP2000326423A - Apparatus for passing string - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an apparatus for passing a string by which the string can be passed, in a short time and accurately, through a bag such as a purse. SOLUTION: When a bag body 20 is mounted on a straight-through means 3 and 4, a string through-hole 20c of the bag body 20 is arranged in parallel and is made straightly through and a passage for making needle members 8 and 9 pass through is ensured. After the passage for making the needle members 8 and 9 pass through is ensured, inlets 20f and 20f for the string through-hole are expanded by inlet expanding means 7a and 7b to make insertion of the needle members 8 and 9 possible. When the needle members 8 and 9 are moved through passing-through means 14, 15 and 16 under this condition, the needle members 8 and 9 go straightly in the string through-hole 20c and when the apex parts of the needle members are forwarded from an outlet 20f', the string passes through the string through-hole 20c to pass the string through.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a string passing device for passing a string through a string passing hole formed in a bag such as a drawstring bag.

[0002]

2. Description of the Related Art Conventionally, when a string is passed through the mouth of a bag,
In the manual operation, a string is hung on the tip of the wire, and the wire is inserted through the hole of the bag. As an apparatus for simplifying such a manual threading operation, Japanese Utility Model Laid-Open No.
A plastic bag threading machine described in Japanese Patent No. 589 is known.

In this threading machine, a square bar is vertically fixed on a table, a rope-shaped piano wire is horizontally extended from an upper portion of the square bar, and a string end is attached to the end of the piano wire. Is provided with a locking portion for hooking. When passing a string through a plastic bag using this threading machine, first hang the string end on the locking part, and carry the plastic bag by hand so that the piano wire passes through the threading hole in the plastic bag. Stringing can be done.

[0004]

However, in the above-described conventional threading machine, the threading hole of the bag is positioned so as to face the end of the piano wire, and the bag is turned to the square bar using the piano wire as a guide. In this case, there is a problem that it takes much time and labor when a large number of bags are threaded.

The present invention has been made in consideration of the above-mentioned problems of the conventional stringing machine, and enables stringing to be performed quickly and accurately on a bag such as a drawstring. An apparatus is provided.

[0006]

According to the present invention, there is provided a stringing device for inserting a string into two stringing holes formed at the mouth of a bag, wherein the string is extended in the stringing direction by stretching the bag. Direct-through means for aligning the through-holes in parallel and directly passing therethrough, entrance expanding means for expanding the entrance of the string-through hole, and locking portions for locking both ends of the string at the tip end, each of the directly passed through the string A threading device comprising: two needle-like members arranged toward a hole; and a penetrating means for penetrating the needle-like member into the threading hole.

[0007] In the present invention, it is preferable that the needle-like member is constituted by a pipe whose tip is formed at an acute angle.

[0008] In the present invention, it is preferable that a sharp cut formed in a direction opposite to the string passing direction is formed in the locking portion.

The entrance expanding means of the present invention comprises a holding member which adheres to the inside of the entrance edge to hold the inside of the edge, and a retaining member which adheres to the outside of the entrance edge to separate the outside of the edge from the inside of the edge. And a separating member to be made.

[0010] The penetrating means of the present invention can be constituted by a support member for supporting the needle-like member, and a guide rail for moving the support member in the string passing direction.

According to the present invention, when the bag is attached to the directing means, the string passing passage of the bag is stretched and passed directly, and a passage for penetrating the needle-shaped member is secured. The entrance expanding means widens the entrance of the string passing hole and facilitates insertion of the needle-like member. In this state, when the needle-like member is moved by the penetrating means, the needle-like member enters the inside of the string through-hole, and when the tip of the needle-like member is sent out from the outlet of the string through-hole, the needle-like member is locked. Both ends of the string locked in the part appear outside through the string passing hole.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on preferred embodiments shown in the drawings.

FIG. 1 shows an embodiment of the string passing device of the present invention.

First, the shape of the drawstring bag 20 to be threaded by the threading device 1 will be described. The drawstring bag 20 is formed by folding a band-shaped nonwoven fabric and fusing both side edges 20a, 20a by heat sealing to form a bag shape as shown in a side view with a partial cutout in FIG. , 20b, at a substantially intermediate position between them,
20c is provided.

The string passing holes 20c, 20c are partitioned into a cylindrical shape by an upper longitudinal seal 20d and a lower longitudinal seal 20e, so that the string can be inserted through the inside thereof. Also, at one end of the string passing holes 20c, 20c,
A pair of inlets 20f, 20f are open. Note that reference numeral 20g denotes a mouth portion of the drawstring bag 20, and 20h denotes a bottom portion.

The stringing apparatus 1 for stringing the drawstring bag 20 as a target for stringing is mounted on the base 2 and the base 2.
Directing means for directly passing the drawstring bag 20c by extending the drawstring bag 20 arranged upside down in the string passing direction, and entrances 20f, 20f of the string passing hole 20c (see FIG. 2).
Two needle-shaped members, each having a locking portion for locking both ends of the string at the distal end portion, and arranged toward each of the directly inserted string through holes, and a string through hole It mainly comprises a penetrating means for penetrating the needle-shaped member through 20c.

Hereinafter, the configuration of each section will be described in detail with reference to FIGS.

The above-mentioned direct means comprises a vertical shaft 3 and a vertical plate 4 arranged in accordance with the inner width dimension of the drawstring bag 20, and when the drawstring bag 20 is covered over the same, the drawstring bag 20 Is stretched without looseness in the string passing direction, so that the string passing hole 20c can be passed directly. A mounting bracket 2a is mounted on the strip-shaped base 2 along the longitudinal direction of the base 2, and the vertical shaft 3 and the vertical plate 4 are fixed on the mounting bracket 2a.

As shown in FIG. 3, the vertical plate 4 has a rectangular support plate 4a and a cover 4b having a U-shaped cross section, which is in close contact with the support plate 4a and is fixed to the support plate 4a using screws 12. And an adhesive material 5 attached to a gap between the inner surface of the cover 4b and the upper end of the support plate 4a. The support plate 4a is arranged in a slit formed at the longitudinal end of the mounting bracket 2a.
A through hole (not shown) provided in the lower part,
The lower end of the support plate 4a is pivotally supported by the mounting bracket 2 by inserting a bolt 10 into a through hole (not shown) provided in the hole a, and is fixed vertically by tightening the opening side of the slit with a bolt 11. You.

Notch windows 4c are formed on both sides of the upper portion of the cover 4b, and the adhesive 5 is exposed.

A pair of leaf springs 7a, 7a arranged on both sides of the vertical plate 4 are open upward, and the lower portions of the leaf springs 7a, 7b
a. Adhesives 6 and 6 are attached inwardly to the upper portions of the leaf springs 7a and 7b. The leaf springs 7a are moved in the direction of arrow A against the urging force, and the leaf springs 7b are moved in the direction of arrow B, respectively. When pressed and bent, the adhesive materials 6 and 6 are opposed to the adhesive material 5 exposed from the cutout window 4c. The vertical plate 4 can be regarded as a holding member of the entrance expanding means, and the leaf springs 7a and 7b can be regarded as separating members of the entrance extending means.

Next, the structure of the needles 8 and 9 as needle-like members will be described. In the description, the needle 9
Will be described as a representative. As shown in the plan view of FIG. 4 (a) and the front view of FIG. 4 (b), the needle 9 is formed of a pipe having a tip 9b cut at an acute angle, and an acute angle in the direction of arrow C is provided behind the tip 9b. A slit-shaped locking portion 9d having a notch 9d 'is formed, and a slit-shaped locking portion 9c having a sharp cut 9c' in the direction of arrow D is formed behind the locking portion 9d. I have.

A notch 9c formed on the rear side of the locking portion 9a is adapted to lock the end of the string 13, and the needle 9 is connected to the string passing hole 20c of the drawstring bag 20 by an arrow. C
Used to penetrate in the direction. On the other hand, the locking portion 9a
The notch 9d formed on the front side of the hole is used when the needle 9 is pulled out from the string passing hole 20c in the direction of arrow D. The sharp cuts 9d 'and 9c'
3 is to prevent withdrawal.

The needles 8 and 9 having such a shape are supported by the penetrating means. The penetrating means includes a support member 14 for supporting the needles 8 and 9, rollers 15 disposed on both lower sides of the support member 14, and guide rails 16 and 16 for guiding the support member 14 in a string passing direction (arrow E direction). It is mainly composed of

The support member 14 supports the needles 8 and 9 with the tips of the needles 8 and 9 shifted by a length s. This means that the needles 8 and 9 are inserted one by one
f, 20 so that it can be easily inserted.

The rollers 15 are arranged on both sides (only the near side is shown) of the support member 14 so as to move the support member 14 smoothly. Also, guide rails 16,
Numeral 16 is arranged in parallel on the near side and the back side with an extension of a line connecting the vertical axis 3 and the vertical plate 4 as a center line when viewed from a plane. In addition, stoppers 16 a are attached to both ends in the longitudinal direction of the guide rail 16 so as to regulate the moving distance of the support member 14 to a predetermined length. The predetermined length means that the locking portions 8a and 9a of the needles 8 and 9 are
0c.

Next, a method of operating the string passing device 1 having the above configuration will be described.

First, the rear notches 8c, 8c,
Each end of the string 13 is attached to 9c. Next, a drawstring bag 20 is attached so as to straddle the vertical axis 3 and the vertical plate 4,
The opening edge 20g of the drawstring bag 20 is brought into contact with the upper surface of the mounting bracket 2a.

Next, as shown in FIG. 5, the upper ends of the leaf springs 7a, 7b are gripped by, for example, the fingertips of the thumb and forefinger, and the leaf springs 7a, 7b are closed against the urging force (in the direction of arrow A and in the direction of arrow A). (Pressing and bending in the direction of arrow B)), and the adhesive material 5 and the adhesive material 6 are brought into contact via the drawstring bag 20. In this state, in the string passing hole 20c on the front side, the inside of the edge of the entrance is adhered to the adhesive material 5 exposed from the cutout window 4c of the vertical plate 4, and the outside of the edge of the entrance is a leaf spring 7a. And the adhesive material 6 attached to the adhesive. The same applies to the string passing hole 20c on the back side. Then, when the finger is removed from the leaf springs 7a, 7b, the leaf springs 7a, 7b return to the original position by the urging force, and at the same time, the string through holes 2 adhered to the adhesive material 6.
The outside of the edge of the entrance of 0c is pulled in the direction of arrow A. Thereby, the entrances 20f, 20f of the string passing holes 20c are respectively widened, and the needles 8, 9 can enter.

Next, when the support member 14 is gripped with a finger and is moved in the direction of arrow E along the guide rail 16, the needles 8, 9 penetrate through the threading holes 20c, 20c, and threading is performed. The tip of the string 13 appears from the outlet 20f '.

In this state, the leading end of the string 13 is removed from the notch 9c on the rear side, and each end of another string 13 'is
Attach it to the front notch 9d. Next, when the support member 14 is moved in the direction opposite to the direction of the arrow E, the needles 8 and 9 are moved.
Return through the string passing holes 20c, 20c, and the needles 8, 9
When the tip of the cord 13 is completely separated from the string passing passages 20c, 20c, another string 13 'is threaded through the string passing hole 20c, and the end of the string 13' emerges from the entrances 20f, 20f.

FIG. 6 shows a state where the cord is laid by the above method. Opening edge 20g of drawstring bag 20 by pulling the ends of string 13 and string 13 'in opposite directions.
Is squeezed, and the drawstring bag 20 is completed.

In the present invention, the direct passage means is constituted by the vertical shaft 3 and the vertical plate 4 which are separate members in the above embodiment. However, the present invention is not limited to this. Any member can be used as long as the string through hole can be extended to allow direct passage. In the above embodiment, the vertical axis 3 and the vertical plate 4 are fixed. However, the vertical axis 3 and the vertical plate 4 may be configured so that the distance between them can be changed. With this configuration, bags having different sizes can be used.

The inlet expanding means can be rocked by adding a motor and a cam.
Reciprocating drive can be performed using a motor and a known power transmission mechanism. Furthermore, the limit switch detects that the drawstring bag is attached to the direct through means, and the entrance expanding means,
By operating the penetrating means in this order, stringing can be automated except for attaching the string to the needle.

In the above-described embodiment, the case has been described in which the two strings are used to pass through the string passing holes in directions facing each other. However, the present invention is not limited to this. It can be applied to the case where a string is tied.

Further, the stringing device of the present invention is not limited to the drawstring bag described above, and can be applied to stringing of any bag having a structure in which the mouth is closed with a string.

[0037]

As is apparent from the above description,
ADVANTAGE OF THE INVENTION According to the stringing apparatus of this invention, it has the advantage that a string, such as a purse, can be stringed accurately in a short time.

[Brief description of the drawings]

FIG. 1 is a perspective view showing one embodiment of a string passing device of the present invention.

FIG. 2 is an explanatory view of a drawstring bag to which the string passing device of the present invention is applied.

FIG. 3 is an enlarged view showing a configuration of a string passing hole expanding portion of FIG. 1;

FIG. 4 is an explanatory view showing a shape of a needle tip portion of FIG. 1;

FIG. 5 is a perspective view of an essential part for explaining an expanding operation of the string passing hole.

FIG. 6 is a front view showing the drawstring bag in which the stringing is performed.

[Explanation of symbols]

 Reference Signs List 1 string passing device 2 base 3 vertical axis 4 vertical plate 5,6 adhesive 7a, 7b leaf spring 8,9 needle 14 support member 16 guide rail 20 drawstring bag 20c string passing hole 20f entrance

Claims (5)

[Claims] 1. A stringing device for inserting a string into two stringing holes formed at the mouth of a bag, wherein the bag is stretched in the stringing direction to align the stringing holes in parallel. Directing means for directly penetrating the string passing hole, an entrance extending means for expanding the entrance of the string passing hole, and a locking portion for locking both ends of the string at the distal end portion. Two needle-like members to be arranged, a penetrating means for penetrating the needle-like member through the cord passing hole,
A stringing device comprising: 2. The threading device according to claim 1, wherein the needle-like member is formed of a pipe having a sharp end. 3. The string passing device according to claim 1, wherein the locking portion has a sharp cut formed in a direction opposite to a string passing direction. 4. The entrance expanding means includes a holding member that adheres to the inside of the entrance edge and holds the inside of the edge, and a retaining member that adheres to the outside of the entrance edge to attach the outside of the edge to the edge. And a separating member for separating from the inside.
3. The string passing device according to any one of 3. 5. The device according to claim 1, wherein the penetrating means comprises a support member for supporting the needle-like member, and a guide rail for moving the support member in a string passing direction. Stringing device.