JPH0597102A - Continuous filling method for fluid in a plurality of linked sealed bags for fluid - Google Patents

Abstract

PURPOSE:To perform the filling of a fluid efficiently by a method wherein an introducing pipe shaped part for a fluid is formed by press-closing the rear part of a group of sealing bags, and after introducing the fluid in the introducing pipe shaped part by inserting a fluid introducing tool in the introducing pipe shaped part, the fluid is filled in the sealed bags at the rear closed part of the introducing pipe shaped part. CONSTITUTION:At a process B, a long sheet shaped sealing bag A is transferred forward. Also, at a process C, a rear specified part of a fluid introducing part 5 at the group of sealing bags A, and an open part 4 in the longitudinal direction to reach the rear specified part are respective press-closed, and an introducing pipe shaped part 5a for the fluid, of which rear part is closed, is formed. In addition, at a process D, a fluid introducing tool 14 is inserted in the introducing pipe shaped part 5a from the front part, and the fluid in introduced in the introducing pipe shaped part 5a. The introduced fluid is filled and sealed in a sealing bag 2 in front of the rear closed part of the introducing pipe shaped part 5a, through a check valve l. Then, at a process E, a group of sealed bags 2b with a specified length, in which the fluid has been filled and sealed, are cut 16.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for continuously filling a plurality of fluid-sealed bags for fluid continuously with a fluid such as air, and mainly produces and sells a cushioning packaging material. , Used in the industrial field.

[0002]

2. Description of the Related Art Conventionally, as a plurality of fluid-sealing bags connected in series, for example, a device previously filed by the applicant of the present invention has been known.
As described in Japanese Patent No. 164142, a flat fluid introduction pipe having a fluid introduction port provided at one end and the other end closed is formed of a plastic film, and a small amount is formed along the fluid introduction direction of the introduction pipe. In addition, a plurality of plastic film sealing bags each containing a check valve made of a plastic film were installed continuously in parallel on one side edge, and the introduction pipe and each sealing bag were provided in the check valve. It is configured to be able to communicate with each other via only the flow path, and adjacent sealing bags are integrally connected at their side edges.

[0003]

The fluid-tight bag constructed as described above has various advantages as described in the publication but is not long. Therefore, in combination with the structure, when filling and sealing fluid such as air, it is necessary to fill all the sealed bags, and depending on the need at that time, fill only the sealed bag in the required range with fluid. There is a problem that the filling operation cannot be performed continuously.

The present invention was developed and completed with the object of solving the above problems, and when a fluid such as air is filled in a group of sealed bags, the group of sealed bags having a required length can be filled. It is an object of the present invention to provide a method for continuously filling fluid into a plurality of continuous sealed bags for fluid, which has the convenience of being able to continuously perform filling operation at any time.

[0005]

As a means for solving the above-mentioned problems and achieving the object, in the present invention, a plurality of plastic film-made flat fluid-tight seals each containing a check valve made of a plastic film are provided. The bags are integrally connected in a parallel state, and each of the sealed bags can be separately communicated with the outside through only the flow path provided in the check valve, and at the installation side of the check valve, The upper and lower two plastic films are extended along the peripheral edge of the continuous sealing bag to form a fluid introduction portion composed of the two plastic films having an opening portion in the longitudinal direction thereof, and the reverse of each of the above. A method for continuously filling a fluid in a long sheet-shaped sealing bag for fluid, which is formed by facing a flow path of a stop valve between the two plastic films, the long sheet-shaped sealing bag Transferring the group to the front, A required part of the rear part of the fluid introduction part in the bag group is pressure-closed, and at least the longitudinal open part up to the pressure-closed part is pressure-closed to close the rear part. A step of forming a fluid introduction tubular portion, a step of inserting a fluid introduction device into the introduction tubular portion from the front portion of the introduction tubular portion to introduce the fluid into the introduction tubular portion, and a step of being introduced into the introduction tubular portion From the step of filling and sealing the fluid in each sealing bag in front of the rear closing portion of the introduction tubular portion via each check valve, and the step of cutting the sealing bag group of the required length filled and sealed with the fluid. We have developed and adopted a method for continuously filling a fluid into a series of multiple sealed fluid-filled bags.

According to the present invention, in the above method,
A plurality of consecutively connected units characterized in that the rear portion of the fluid introduction portion is pressure-closed by the upper and lower paired rolling rolls, and the longitudinal opening portion is pressure-closed by the upper and lower paired rotating endless belts. A method for continuously filling a fluid into a fluid-sealing bag, and a continuous transfer of a long sheet-like hermetically-sealing bag group into a plurality of consecutive fluid-sealing bags. We have developed and adopted the continuous filling method of each.

[0007]

In the method for continuously filling a plurality of fluid sealed bags according to the present invention with the above-described structure,
Group A of long sheet-like sealed bags that are transported forward
Fluid introduction device 1 in the fluid introduction part 5 formed at the edge of the
4 is inserted and a fluid is introduced into the introduction portion 5, the introduction portion 5 has a rear end and an open portion 4 which are closed by pressure to form a dead end introduction tubular portion 5a. The fluid introduced into the portion 5a is successively filled and sealed in the plurality of sealing bags 2 existing between the rear closing portion and the introduction device 14 through the flow paths 3 of the check valves 1. Further, the group of the sealed bags 3b continuously filled with the fluid in this way is successively cut into a required length in the next cutting step 16.

[0008]

Embodiments of the present invention will be described below with reference to the accompanying drawings. A method for continuously filling fluid in a plurality of fluid-sealed bags for fluid according to the present invention will be described below. , Roughly, a long sheet-like air-sealed bag group A,
A step B of transferring the sealed bag group A toward the front, a step C of pressurizing and closing a required portion of an air introduction portion provided at a peripheral edge of the sealed bag group A, the transfer step B and the closing step C. And a step E of introducing air into the introduction part between step 1 and a step E of cutting the air-filled sealed bag group into a required length.

In the hermetically sealed bag group A, a large number of flat airtight sealing bags 2 made of plastic film, each containing a flat check valve 1 made of a plastic film, are integrally connected in parallel. At the same time, each sealing bag 2 is configured to be able to communicate with the outside separately via only the flow path 3 provided in the check valve 1, and on the mounting side of the check valve 1, the continuous sealing bag 2 ... The upper and lower two plastic films are extended on the edge of 2, and the gas introduction part 5 formed of the upper and lower two plastic films having the opening 4 is formed on the outer edge in the longitudinal direction. At the same time, the flow path 3 of each check valve 1 is
It is formed into a long sheet shape by facing between the plastic films, and in this embodiment, this is used as the winding core 6.
It is wound around to form a roll body 7, and the winding core 6 is supported by a bearing 9 of a suspension 8 so as to be rotatable and drawn out.

Next, in the transfer step B, the sealed bag group A is held by a pair of upper and lower paired transfer impellers (pinch rolls) 10 and 10 arranged in front of the roll body 7 with a required space. This impeller 1
In this embodiment, 0 and 10 are configured to be intermittently rotated by the motor 11 at some time intervals in order to surely fill the sealed bags 2 having the required length with air. And each blade 10a, 1 of the impellers 10, 10.
It is dimensioned so that the continuous portion 2a of each sealing bag 2 is held by the tip of 0a and kicked forward to be transferred, and each sealing bag 2b filled with air passes between the impellers 10 and 10. It is configured so as not to be damaged by the applied pressure when it is pressed.

In the closing step C, the roll body 7 is
And the closing members 12, 12 composed of upper and lower paired rolling rollers that freely rotate and arranged between the transfer impellers 10 and 10 in the transfer step B, and the closing member 13 composed of upper and lower paired rotating endless belts, 13 is performed by pressing the introduction portion 5 from above and below, and the closing member 12,
Reference numeral 12 is a member that crosses the insertion portion 5 and the sealing bag 2 to pressurize and close a required portion of the rear portion of the insertion portion 5, and the closing members 13 and 13 extend at least up to the pressure closing portion by the rolling roll. The opening part 4 of the introduction part 5 is pressure-closed, and the introduction part 5 thus pressure-closed at two places temporarily forms a dead end-shaped introduction tubular part 5a. In this embodiment, the surface of each closing member is covered with an elastic substance such as sponge or rubber, so that the surface of the group of sealed bags A to be transferred is not damaged and is introduced in close contact with the surface. The tubular portion 5a can be reliably closed. Further, the closing members 11, 11 may be provided only at the location of the introduction pipe 1.

In the air introducing step D, the air is supplied from the nozzle 15 of the introducing device 14 which is an air supplying device inserted in the introducing tubular portion 5a, slightly behind the impeller 10 in the transferring step B. The air introduced into the introducing tubular portion 5a is operated by the action of the introducing tubular portion 5a.
From the relationship that the rear part of a is closed and is in a dead end state, through the flow passages 3 of the respective check valves 1 in each of the plurality of sealed bags 2 existing between the closed part and the introduction device 14. The filling and sealing is performed smoothly and surely one after another to continuously form the filling and sealing bags 2b. Although the setting position of the nozzle 15 of the introduction instrument 14 is not limited, it is desirable that the nozzle 15 is provided at the tip of the instrument 14 and / or at a portion facing the respective sealing bags 2 side.

The cutting step D for the group of bags 2b filled with air and sealed is carried out by the cutter 16 arranged at the front position of the impeller 10 in the transferring step B, and the structure of the cutter is itself. Although not particularly limited, it is desirable to set the timing so that cutting is performed in order at the continuous portion of each sealed bag 2 if possible.

Although one embodiment of the present invention has been described in detail above, according to the above-mentioned embodiment, air can be continuously filled and sealed in each of the consecutive sealed bags 2 and the required length of air can be filled. This has a great advantage that the sealing bag 2b can be cut and provided with high efficiency, and when the filling fluid is air, it can remarkably contribute to the efficient provision of the cushioning packaging material for the article requiring cushioning.

The steps A, B, and
As an example of a member that can replace the members used in C and E, for example, the following case can be considered.

As described in the embodiment, the long sheet-like hermetically sealed bag group A is not limited to the one continuously connected to only one side edge of the introducing portion 5, and as shown in FIG. It may be continuously provided on both side edges of the introduction part 5, and in this case,
It has the advantage that it can be useful for improving the production efficiency and can be effectively used as a cushioning material for corners of articles requiring cushioning, for example.

As the transfer means in the transfer step B of the sealed bag group A, transfer means other than the impeller 10 can be adopted, and the means is limited as long as the sealed bag 2b filled with the fluid is not damaged. Not a thing.

Closing member 1 in closing step C of introducing section 5
In place of the pair of paired rolling rolls, a pressure plate, a pressure belt, or the like can be appropriately used as long as it does not hinder the transfer of the sealed bag group A.

As the cutting means in the cutting step D, a roll cutter or other cutting means can be appropriately selected and used in place of the vertically movable cutter illustrated in the embodiment drawings.

Although the main embodiments of the present invention have been described above in detail, the present invention is not limited to the above-mentioned embodiments, and the objects of the invention can be achieved and the scope of the invention is not deviated. It goes without saying that various design changes are possible.

[0021]

As is clear from the above description, according to the present invention, the following excellent effects can be achieved.

(1) Since the lateral opening portion and the rear portion of the introducing portion are temporarily closed to form a dead end-like introducing tubular portion, the fluid introduced into the introducing tubular portion is not blocked. The plurality of sealed bags existing between the introduction device and the introduction device are surely filled and sealed one after another, and the fluid sealing work can be achieved with high efficiency.

(2) Since the opening portion in the longitudinal direction of the introducing portion is surely closed in a predetermined area to form the introducing tubular portion, it is continuously formed in each sealed bag passing through the rear closing portion of the introducing portion. Can be filled with fluid, and the desired continuous fluid filling operation can be achieved smoothly and reliably.

[Brief description of drawings]

FIG. 1 is a partially omitted plan view schematically showing lines of all steps of a continuous filling method of the present invention.

FIG. 2 is a vertical cross-sectional side view with a part omitted along line II-II in FIG.

FIG. 3 is a simplified enlarged side view showing only a pressure closing member of a fluid introducing portion.

FIG. 4 is an enlarged perspective view of a main part showing a fluid introduction state.

FIG. 5 is a perspective view showing a part of a bag group in which a fluid is filled and sealed.

FIG. 6 is a plan view showing a part of another example of the long sheet-shaped hermetic bag group.

[Explanation of symbols]

A Sealed bag group B Sealed bag group transfer step C Inlet pipe closing step D Fluid introduction step E Fluid cut bag group cutting step 1 Check valve 2 Sealed bag 2b Fluid filled bag 3 Check valve Flow path 4 Opening part of introduction part 5 Introduction part of fluid 5a Introduction tubular part 10 Transfer means (impeller) for sealed bag group 12/13 Closing means (closure member) of introduction part 14 Fluid introduction device 16 Fluid filling Cutting means (cutter) for sealed bags

Claims (3)

[Claims] 1. A flow in which a plurality of flat sealing bags made of plastic film, each containing a check valve made of a plastic film, are integrally connected in parallel in parallel, and each sealing bag is provided on the check valve. It is constructed so as to be able to communicate with the outside separately via only the passage, and on the mounting side of the check valve, two plastic films are extended on the edge of the continuous sealing bag, and the longitudinal direction thereof is extended. A long sheet-like member formed by forming a fluid introduction portion made of the above-mentioned two plastic films provided with an opening portion and facing the flow path of each check valve between the two plastic films. A method for continuously filling a fluid in a sealed bag for each fluid with a step of transporting the long sheet-shaped sealed bag group forward, and a rear part of the fluid introduction portion in the sealed bag group. The required parts of Also, a closing step of pressurizing and closing the opening portion in the longitudinal direction up to the pressurizing and closing portion to form a fluid introducing tubular portion having a closed rear portion, and introducing from the front portion of the introducing tubular portion. The step of inserting a fluid introduction device into the tubular portion to introduce the fluid into the introduction tubular portion, and the fluid introduced into the introduction tubular portion is non-returned in each sealing bag in front of the rear blocking portion of the introduction tubular portion. Filling and sealing via a valve,
A method for continuously filling a fluid into a plurality of consecutive fluid-sealing bags for fluid, comprising a step of cutting a group of sealing bags filled with fluid and having a required length. 2. A rear portion of the fluid introduction portion is pressure-closed by upper and lower paired rolling rolls, and a longitudinal opening portion is pressure-closed by upper and lower paired rotating endless belts. A method for continuously filling a fluid into a plurality of fluid-sealed bags for fluid, according to claim 1, which are provided. 3. The method for continuously filling a fluid into a plurality of fluid-sealed bags arranged in series according to claim 1, wherein the long sheet-shaped hermetic bag groups are intermittently transferred. ..