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Moulding, filling and sealing appts. for self-standing bags

A technology of sealing equipment and sealing mechanism, applied in packaging sealing/fastening, transportation and packaging, envelope/bag manufacturing machinery, etc., which can solve problems such as reduced productivity, large installation area, and prolonged sealing time.

Inactive Publication Date: 2005-09-21
ORIHIRO ENGINEERING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But a new problem is encountered: because the film is carried in the horizontal direction in the device, the area required to install the device is large
Reliable heat sealing of 4-layer parts requires prolonged sealing time, resulting in reduced productivity

Method used

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  • Moulding, filling and sealing appts. for self-standing bags
  • Moulding, filling and sealing appts. for self-standing bags
  • Moulding, filling and sealing appts. for self-standing bags

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0053] Now refer to the attached figure 1 and 2 , which represents a form, fill and seal apparatus according to a first preferred embodiment of the present invention. This form, fill and seal equipment is a vertical form, fill and seal equipment, used to manufacture the stand-up pouch 1000 shown in Figure 9, through the injection pipe 11 provided inside the main pipe 12 to fill the liquefied or pasty Material 5 is packed into bag 1000 .

[0054] On the outer periphery of the main pipe 12, there is provided a film forming guide 13 for overlapping both side ends of the sheet film 1 supplied by the tension roll 16 to successively form it into a tubular shape. The film 1 formed into a tubular shape by means of the film forming guide 13 is vertically heat-sealed along the side edges of the overlapping surfaces by the top sealing mechanism 20 provided below the film forming guide 13 . Now, since the top sealing mechanism 20 is similar in structure to a conventional vertical form,...

no. 2 example

[0101] Refer to the attached Figure 12-2 0 describes the second embodiment of the present invention.

[0102] Now refer to the attached figure 2 and 3, which represents a forming, filling and sealing apparatus according to a second embodiment of the present invention. Above the injection pipe 114, a film forming guide 114 is provided for folding both side ends of the film 101 so that they overlap each other, supplied from the film supply roll 113 via a tension roll (not shown) and a guide roll 115. Film 101. Furthermore, a tension mechanism identical to that of the first embodiment is arranged between the film supply roller 13 and the tension roller.

[0103] The film forming guide 111 is arranged obliquely, so that the film 101 can pass on the surface of the guide 111, and it includes a trapezoidal plate whose base is smaller than the top and two film guiding arms 112, and the arms 112 are arranged on the bottom of the trapezoidal plate Nearby, for checking the elongat...

no. 3 example

[0156] The above-mentioned first and second embodiments have shown form, fill and seal equipment for efficiently manufacturing stand-up pouches without introducing any foreign matter according to the operating principle of a vertical form, fill and seal equipment.

[0157] As can be seen from the foregoing embodiments, the stand-up pouch has a thick bottom, and the degree of expansion of the pouch varies with the location. Therefore, when heat sealing the film, there is a tendency to create creases in the film compared to making a pillow-shaped package. When such a wrinkle occurs, it spoils not only the appearance of the package but also good airtightness, and depending on the situation, there is a possibility that the filling material may leak from this portion.

[0158] Therefore, in order to prevent the film from wrinkling, this embodiment provides a filling and packaging equipment, which can better realize heat sealing, and can also take advantage of the advantages of the ...

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Abstract

A shaping, filling and sealing apparatus for making the plastic bags able to stand up by itself is composed of three thermally sealing units, a folding mechanism, and a filling tube for filling the filler. The third sealing unit can also cut the thermally sealed part.

Description

technical field [0001] The present invention relates to a forming, filling and sealing apparatus for simultaneously forming a stand-up pouch from a sheet film and filling the stand-up pouch with filling material while carrying the sheet film downward. Background technique [0002] A vertical form, fill and seal apparatus has hitherto been known as a filling and sealing apparatus for forming a bag from a sheet film while filling the bag with a liquefied or pasty filling material. The vertical form, fill and seal equipment includes: a sheet film forming guide for forming the sheet film into a tube shape; a vertical sealing mechanism for heat sealing the edges of the sheet film into a tube shape to Produces a tubular film; a pair of squeeze rollers divides the fill material introduced into the film and moves down the tubular film with the separated product; an end seal mechanism passes through the rotating squeeze rollers and cuts off the The sealed portion is heat-sealed hori...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B31B23/00B65B9/067B65B9/073B65B9/12B65B11/48B65B47/00B65B51/10
Inventor 鹤田织宽
Owner ORIHIRO ENGINEERING CO LTD
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