KR101942644B1

KR101942644B1 - Spout for pouch

Info

Publication number: KR101942644B1
Application number: KR1020170033125A
Authority: KR
Inventors: 김성두
Original assignee: 김성두
Priority date: 2017-03-16
Filing date: 2017-03-16
Publication date: 2019-04-11
Also published as: KR20180105871A

Abstract

The present invention relates to a spout for a pouch having an improved structure in which a spout and a process of hot-pressing the pouch container can be effectively performed.
A spout for a pouch according to an embodiment of the present invention includes a tube having a flow path formed therein for moving a fluid including an outer end opened to communicate with an outer side of the pouch and an inner end opened to communicate with the inner side of the pouch, And a plurality of sealing fins protruding from the outer circumferential surface of the tube at the end side, wherein the plurality of sealing fins are formed to include a sealing protrusion protruding from the end of each sealing fence.
According to the spout for a pouch of the present invention, the productivity of the spout pouch can be improved by shortening the time of heat pressing. Further, it is possible to solve the problem of occurrence of sealing drop in the conventional sealing part, to improve the sealing property at the sealing part, and to improve the production quality of the spout pouch.

Description

Spout for pouch {Spout for pouch}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spout for a pouch, and more particularly, to a spout for a pouch having an improved structure so that a spout and a process of hot pressing a pouch container can be effectively performed.

The spout pouch is formed in a structure in which a spout for injecting and discharging the contents is connected to an upper side of a pouch container made of a synthetic resin or the like and a spout cap is detachably coupled to the spout, .

FIG. 1 is a perspective view schematically showing a state where a conventional spout is engaged with a pouch container, and FIG. 2 is a sectional view schematically showing a section of a spout according to line A-A of FIG.

Referring to FIG. 1, the spout 10 includes a cylindrical tube 11 having openings on both sides for fluid movement, and a plurality of sealing rings 12 formed to bond the spout to the pouch container. Specifically, a plurality of sealing rings 12 protrude from the outer peripheral surface of the tube 11 at one end side of the tube 11.

The spout 10 is joined by joining a joint formed by a sealing ring 12 into the opening of the pouch container 20 and heating the plurality of sealing rings 12 to the inner surface of the opening of the pouch container 20.

If the end 12a of the sealing ring 12 is thick, it must be heated for a sufficient time to melt the thickened end 12, so that it takes a considerably long time to heat-press. This serves as an impediment to productivity improvement. However, if the heating and squeezing time is reduced to improve the productivity, the sealing ability of the sealing part is lowered, and when the spout pouch is moved or stored, a plurality of the spout pouches are stacked and the user presses the pouch container by giving a force to use the spout pouch There is a problem that the sealing lance and the pouch container are easily separated and the fluid contained in the container flows out to the outside.

2, the end portion 12a of the sealing ring 12 is flatly formed. Due to the shape of the end portion 12a, the end portion 12a of the spout 10 is heated The end portion of the sealing portion melts down and the sealing portion C is pushed out to cause unintended deformation of the sealing portion.

It is urgently required to introduce an improved spout for a pouch capable of improving the productivity of the spout pouch by shortening the heat pressing time and improving the stability and tightness of the finished product of the spout pouch while effectively solving such problems.

1. Korean Patent Registration No. 10-1676299 (Title: spout assembly for pouches)

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a spout for a pouch having an improved structure capable of improving the productivity of the spout pouch by shortening the time of heat pressing and improving the stability and hermeticity of the spout pouch, And the like.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a spout for a pouch comprising: an outer end opened to communicate with an outer side of a pouch; and an inner end opened to communicate with an inner side of the pouch, And a plurality of sealing fins protruding from an outer circumferential surface of the tube at the inner end side, wherein the plurality of sealing fins include sealing projections extending from the ends of the sealing fins .

According to another aspect of the present invention, the sealing protrusion may have a width narrower than the width of each sealing seal.

According to another aspect of the present invention, the sealing protrusion may be formed such that a width of the sealing protrusion and a width of each sealing fence are in a ratio of 1: 2 to 1: 5.

According to still another aspect of the present invention, the sealing protrusion may be formed to be positioned at the center of the end of each of the sealing fingers.

According to another aspect of the present invention, the outermost sealing fingers on the inner end side of the plurality of sealing fins may be formed so as not to include the sealing protrusions, but to have a height protruding toward the inner end side .

According to another aspect of the present invention, the outermost sealing fins may be formed to be shorter than the remaining sealing fins.

According to still another aspect of the present invention, the edge on the inner end side of the outermost sealing seal may be formed to have a curvature.

According to the spout for a pouch of the present invention, the sealing protrusion is formed at the sealing ring at the sealing portion where the spout and the pouch container are joined, thereby shortening the time of heat pressing and improving the productivity of the spout pouch.

Further, according to the spout for a pouch of the present invention, it is possible to improve the airtightness at the sealing portion and improve the production quality of the spout pouch.

1 is a perspective view schematically showing a state where a conventional spout is engaged with a pouch container.
2 is a cross-sectional view schematically showing a cross section of the spout according to the line AA of FIG.
3 is a schematic cross-sectional view of a spout for a pouch according to an embodiment of the present invention.
FIG. 4 is a cross-sectional view schematically showing a state in which the spout and the pouch of FIG. 3 are heated and sealed.
FIGS. 5 and 6 are cross-sectional views schematically showing a state in which the outermost sealing ring is deformed in the spout of FIG.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims.

It is to be understood that elements or layers are referred to as being "on " other elements or layers, including both intervening layers or other elements directly on or in between.

Although the first, second, etc. are used to describe various components, it goes without saying that these components are not limited by these terms. These terms are used only to distinguish one component from another. Therefore, it goes without saying that the first component mentioned below may be the second component within the technical scope of the present invention.

Like reference numerals refer to like elements throughout the specification.

The sizes and thicknesses of the individual components shown in the figures are shown for convenience of explanation and the present invention is not necessarily limited to the size and thickness of the components shown.

It is to be understood that each of the features of the various embodiments of the present invention may be combined or combined with each other partially or entirely and technically various interlocking and driving is possible as will be appreciated by those skilled in the art, It may be possible to cooperate with each other in association.

Hereinafter, a spout for a pouch according to an embodiment of the present invention will be described with reference to the accompanying drawings.

FIG. 3 is a cross-sectional view schematically showing a cross section of a spout for a pouch according to an embodiment of the present invention, and FIG. 4 is a cross-sectional view schematically illustrating a state in which a spout and a pouch of FIG.

3 (a) and 3 (b), the spout 100 and 100 'for a pouch according to the present invention includes a tube 110 in which a flow path is formed to allow fluid to flow, a plurality And a sealing ring 120 of the sealing member 120.

The tube 110 is configured to allow fluid to flow, including an outer end 111 open to communicate with the outside of the pouch container 200 and an inner end 112 open to communicate with the inside of the pouch container 200 .

A plurality of sealing fins 120 protrude from the outer circumferential surface of the tube 110 at the inner end 112 side of the tube 110. [ The sealing ring 120 is preferably formed by vertically protruding from the outer circumferential surface of the tube 110 where the pouch container 200 is heated and adhered.

The plurality of sealing rings 120 are formed to include a sealing projection 120a that protrudes from the end of each sealing ring 120a.

3 (a), the sealing protrusion 120a may protrude from the sealing ring 120, or may be formed to protrude from the sealing ring 120 as shown in FIG. 3 (b) Two sealing protrusions 120a may be formed to protrude from the sealing member 120. [ In other words, one or a plurality of the sealing protrusions 120a may be formed protruding from the sealing ring 120. It should be noted that the number of the sealing protrusions 120a in the present invention is not limited to that shown in Fig. Hereinafter, the spout 100 shown in FIG. 3 (a) is illustratively shown in a state in which the spout 100 is heated and pressed against the pouch container 200.

4 (a) to 4 (c), the pouch container 200 is heated and attached to the sealing protrusion 120a formed at the end of the sealing bezel 120. At this time, the sealing protrusion 120a And is attached to the inner surface of the pouch container 200 while being melted by high temperature and high pressure. The sealing protrusion 120a functions as a glue in attaching the sealing ring 120 and the pouch container 200 so that the heat pressing process can be effectively performed.

At this time, it is preferable that the sealing protrusions 120a are formed to have a narrower width than the sealing rings 120. In other words, the sealing protrusion 120a may be thinner or thinner than the sealing ring 120. [ Specifically, the sealing protrusion 120a may be formed so that the width of the sealing protrusion 120a and the width of each sealing ring 120 form a ratio of 1: 2 to 1: 5.

When the sealing protrusion 120a is formed thinner or thinner than the sealing ring 120, the hot pressing can be performed in a short time, so that the hot pressing process can be efficiently performed in manufacturing the spout pouch. Therefore, productivity of the spout pouch can be greatly improved by including the sealing protrusion 120a in the pouch spout 100 of the present invention.

The seal protrusion 120a can serve as a glue in attaching the seal ring 120 and the pouch container 200 to improve the airtightness of the spout pouch and the seal ring and the pouch container can be easily separated The problem that the fluid contained in the container flows out to the outside can be solved by solving the problem.

4 (a) to 4 (c), only the sealing protrusion 120a is melted and heat-pressed in the attachment of the sealing ring 120 and the pouch container 200, And may be schematically illustrated for the sake of convenience of description of the present invention. The inner surface of the pouch container 200 contacting the sealing protrusion 120a may be partially melted and pressed against the sealing protrusion 120a and a part of the sealing portion 120 may be pressed against the sealing protrusion 120a and the pouch container 200, And may be entirely squeezed together. These technical features are of course included in the scope of the present invention.

On the other hand, the pouch container 200 may be formed of a material of a known pouch container storing the contents therein. For example, the pouch container 200 may be formed by sealing the edge of the butted synthetic resin sheet, but is not particularly limited in the present invention.

Hereinafter, a spout for a pouch according to another embodiment of the present invention will be described with reference to the accompanying drawings.

FIGS. 5 and 6 are cross-sectional views schematically showing a state in which the outermost sealing ring is deformed in the spout of FIG. 5 and 6, the configurations and reference numerals of FIGS. 3 and 4 will be referred to for convenience of explanation.

The outermost sealing fingers 121 formed closest to the inner side end 112 of the tube 110 do not include the structure of the sealing protrusion 120a described above, And the height protruding toward the inner end 112 may be lowered.

In general, wear is most severely generated at the edge of the sealing fur located at the outermost side and the portion of the pouch container contacting the edge, and tearing of the pouch container 200 mainly occurs at this portion.

As shown in FIG. 5, when the outermost sealing fins 121 are formed so as to be lowered in height toward the inner end portion 112, the wear of the pouch container 200 can be effectively prevented, So that the fluid contained in the fluid can be radically discharged to the outside.

5 (a), the outermost sealing seal 121 may be formed such that the edge of the outermost sealing seal 121 on the inner side end 112 side has a curvature, and as shown in FIG. 5 (b) The edge of the innermost end 112 of the outermost sealing seal 121 may be formed in the form of a straight line having a constant inclination.

However, the shape of the outermost sealing flesh is not necessarily limited to the shape of the outermost sealing flesh shown in Figs. 5 (a) and 5 (b), and the height of the outermost sealing flesh 121 It will be appreciated that various morphological deformations of the outermost sealing fingers 121 can be made if they are to be formed.

6 (a) and 6 (b), the outermost sealing fingers 121 may be shorter than the remaining sealing fingers 120.

The length of the outermost sealing seal 121 is shorter than the length of the remaining sealing seal 120 by a predetermined length d in the case where the pouch container 200 is formed by heat- So as to make the pressure applied to the sealing ring 121 smaller than the pressure applied to the other sealing rings 120. [

In other words, when the spout 100 and the pouch container 200 are manufactured, the pouch container 200 is heated and pressed on the sealing ring 120. When a high pressure is applied to the outermost sealing ring 121 Unexpected wear or damage occurs in the portion of the pouch container 200 corresponding to the outermost sealing fins 121 in the production process. To prevent such a problem, the length of the outermost sealing fins 121 is changed to the remaining sealing Is formed to be slightly shorter than the length of the flesh 120.

Therefore, by reducing the pressure applied to the outermost sealing fingers 121 relative to the pressure exerted on the remaining sealing fingers 120, the wear of the portion of the pouch container 200 corresponding to the outermost sealing fingers 121 is reduced 3, the wear of the portion of the pouch container 200 corresponding to the outermost sealing fingers 121 can be effectively prevented, and the wear of the outermost sealing fingers 121 can be effectively prevented .

However, if the length difference d between the outermost sealing fins 121 and the remaining sealing fins 120 is excessively larger than a predetermined value, adhesion between the outermost sealing fins 121 and the pouch container 200 is prevented The predetermined length difference value d is determined by the temperature and pressure at the time of hot pressing, the heat pressing time, the degree of melting of the end portion of the sealing ring 120 at such temperature, pressure and time conditions, The thickness of the substrate 200, and the like.

For example, a predetermined length difference d is preferably set so that the outermost sealing fingers 121 have a length of about 95% to 98% of the length of the remaining sealing fingers 120.

As described above, the spout 100 of the present invention described with reference to Figs. 3 to 5 may be formed by injection molding. Accordingly, the spout 100 of the present invention may be formed of a known synthetic resin material integrally formed with the tube 110 and the sealing ring 120. In the present invention, the material and the forming process of the spout 100 are not particularly limited.

Further, although the four springs 120 are illustrated as being formed in each of the spouts 100 described with reference to FIGS. 3 to 6, the number of the springs 120 is only an exemplary number, and the present invention is not limited thereto. It goes without saying that the number of the sealing rings 120 may be changed depending on the use of the spout 100.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit or scope of the present invention as defined by the following claims. You will understand. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

100 ... Spout
110 ... tube
111 ... Outer end
112 ... Inner end
120 ... Shilling Flesh
120a ... Sealing projection
121 ... Outermost Shilling Flesh
200 ... Pouch container

Claims

A tube having a flow path formed therein for moving the fluid including an outer end opened to communicate with the outer side of the pouch and an inner end opened to communicate with the inside of the pouch and a plurality of sealing rings projecting from the outer peripheral surface of the tube at the inner end side, A spout for a pouch comprising flesh,
Wherein the plurality of sealing fins is formed to include a sealing protrusion protruding from an end of each sealing fence,
Wherein the sealing protrusion has a width narrower than the width of the sealing seal.

delete

The method according to claim 1,
Characterized in that the sealing protrusion is formed such that the width of the sealing protrusion and the width of each sealing ring form a ratio of 1: 2 to 1: 5.

The method according to claim 1,
And the sealing protrusion is formed to be positioned at the center of the end portion of each of the sealing fingers.

The method according to claim 1,
Wherein the outermost sealing fingers on the inner end side of the plurality of sealing fins are formed so as not to include the sealing protrusions but have a height protruding toward the inner end side.

6. The method of claim 5,
Characterized in that said outermost sealing fingers are formed to be shorter than the remaining sealing fins.

6. The method of claim 5,
And the edge on the inner end side of the outermost sealing seal is formed to have a curvature.