JPH11334748A - Pouch with pouring function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To form a pour mouth in a substantially flat shape, avoid it from becoming bulky even when pour mouths are brought in contact with each other before contents are changed, and thus reduce a housing space by mounting a foldable shape-retaining member at the pouring part inside of a pouch with pouring function. SOLUTION: The pouch 1 with a pouring function is formed by lamination films of nylon, low density polyethylene, or the like and being closed by a sealed part 2 having welded peripheries, and further one corner is formed at slant in which a pouring part 3 is provided. Within the pouring part 3, a shape- retaining member 5 being a hollow flat cylinder and foldable is mounted, and a notch 6 and easy-opening part 7 are provided at the upper end part of the pour 3. The shape-retaining member 5 is of a Y-shape being flat in cross-section having a connection part 12 for putting a pair of wall parts 10, 11 together at one end, and at the time of pouring the content, a pour mouth 9 is formed through the outward extent of a pair of the wall parts 10, 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pouch for pouring a liquid detergent or the like made of a synthetic resin film such as nylon or linear low-density polyethylene, and more particularly, to a pouch in which a content is easily poured. The present invention relates to a pouch with a pouring function equipped with a shape retaining member.

[0002]

2. Description of the Related Art Conventionally, as a bag-shaped container having a shape of a pouring portion for facilitating pouring of contents, a round tubular shape holding member as described in JP-A-7-132947 is provided at the pouring portion. Flexible packages have been proposed.

[0003]

When the packages are brought into contact with each other at the time of transportation or transportation before filling,
Since the diameter of the tubular shape holding member greatly exceeds the thickness of the package body, there is a problem that the container is bulky and the space cannot be used effectively.

[0004] A bag-shaped container having a pouring portion provided with a reinforcing rib as described in Japanese Patent Application Laid-Open No. 7-2260 has a reinforcing effect. However, there is a problem that the pouring outlet does not expand outward at the time of pouring, and poor pouring or it is difficult to obtain a stable pouring.

[0005]

In order to solve the above-mentioned problems, the present invention provides a pouch with a pouring function in which a foldable shape holding member is mounted inside a pouring section.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A pouch with a pouring function configured as described above has a substantially flat spout, so that it can be used when loading or transporting the contents before filling, or when transporting when filling. Even if the dispensing parts contact each other, the space can be effectively used without being bulky.

Further, at the time of pouring, since the shape retaining member of the pouring portion easily spreads outward and securely holds the shape of the spout, the shape of the spout is stabilized, and the contents are stably poured. Can be performed quickly.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.

FIG. 1 is a cross-sectional view of a pouch with a pouring function according to the present invention. A pouch 1 with a pouring function is formed by laminating a film of nylon, low-density polyethylene or the like, and hermetically sealed by a sealing portion 2 whose peripheral edge is welded. , A pouring section 3 provided at an angle to the corner, and a filling port 4 on the side face thereof.
A shape holding member 5 is mounted in the pouring section 3, and the shape holding material 5 is a hollow flat cylindrical shape.

The shape holding member 5 is a film or sheet made of a synthetic resin material such as polyolefin or polyethylene.

The pouch 1 with a pouring function is provided with a notch 6 and an easy-opening portion 7 for cutting off the upper end of the pouring portion 3 at the time of use. The unsealed portion 8 of the pouring portion 3 communicates with the inside of the pouch 1 with a pouring function via the shape holding member 5, and the upper end of the pouring portion 3 opens the notch 6 and the easy-open portion 7. After being cut off, the shape holding member 5 becomes the spout 9. Then, the contents can be discharged from the spout 9.

FIG. 2 is an enlarged view of a main part showing a cross section taken along the line AA of FIG. 1. The shape holding member 5 has a flat Y-shape in cross section. A connecting portion 12 to be integrated is formed, and the other end forms an open portion 13 which is open. A connecting portion 14 extends from the connecting portion 12,
The connecting portion 14 is sandwiched and welded to the sheets 15 and 16 of the one sealing portion 2 of the pouring portion 3.

FIG. 3 shows a state when the contents are poured out of the pouring section 3 of FIG. 2. From the closed state before the contents are poured out of FIG. It spreads outward, and at this time, the sheets 15, 16 of the pouring section 3 are attached to the walls 10, 11.
Adhere to each other to form a spout 9. In addition, the unwelded portions 17 and 18 of the sheets 15 and 16 of the spouting section 3 smoothly spread the walls 10 and 11 outward,
An outwardly protruding bulge is formed in advance.

FIG. 4 is an enlarged sectional view of a pouring portion showing a second embodiment of a pouch having a pouring function according to the present invention.
Has a flat U-shape in cross section, and a pair of walls 10, 1.
1 has a connecting portion 12 at one end and an open portion 13 at the other end, and welds one wall portion 10 with the sheet 15 of the unsealed portion 8 of the pouring portion 3 and welds the connecting portion 12. Then, the holding member 5 is mounted in the pouring section 3.

FIG. 5 is an enlarged sectional view of a pouring portion showing a third embodiment of a pouch having a pouring function according to the present invention, and a shape holding member 5 is shown.
Has a flat V-shape in cross section, and a pair of walls 10 and 1
1 has a connection portion 12 at one end and an open portion 13 at the other end, and the portions 19 and 20 of the pair of wall portions 10 and 11 are connected to the sheet 15 of the unsealed portion 8 of the pouring portion 3. Then, the holding member 5 is mounted in the pouring section 3.

FIG. 6 is an enlarged sectional view of a pouring portion showing a pouch having a pouring function according to a fourth embodiment of the present invention.
Has a flat rhombic cross section and a pair of walls 10 and 11
Are connected at both ends, and connecting portions 14, 14 are formed at both ends of the connecting portions 12, 12. The connecting portions 14, 14 are provided on both sides of the pouring portion 3. The portions 21, 22, 23, and 24 of the wall portions 10, 11 are welded to the sheets 15, 16 of the unsealed portion 8 of the pouring portion 3, and the inside of the pouring portion 3 is welded. The above-mentioned holding member 5 is attached to the above.

When the contents of the pouch 1 with a pouring function are to be poured, the upper end of the pouring section 3 is separated from the pouch 1 with a pouring function along the opening 7 from the notch 6, and the pouch with the pouring function is separated. When the inverted 1 is pressed, the contents are discharged from the outlet 9 of the pouring section 3.

In FIG. 1, the pouring section 3 on which the shape retaining member 5 is provided is provided at a corner of the pouch 1 with a pouring function, but is inclined upward as shown in FIG. May be provided to protrude. Further, as shown in FIG. 8, a slit 25 may be provided beside the pouring section 3 or a seal section (not shown) may be provided. The shape of the pouch 1 with a pouring function is appropriately determined according to its use. You.

Next, a comparative example of the pouch with a pouring function of the present invention and a conventional pouch with a pouring function provided with a round tubular shape holding member at a pouring section will be described.

A 15 μm thick biaxially stretched nylon film and a 150 μm thick linear low density polyethylene (LLDP)
E) A polyethylene film having a thickness of 0.3 mm was applied to a portion corresponding to the inside of the pour-out portion of a pouch having a pour-out function at the time of bag making, on a laminated film obtained by laminating a film via a urethane-based anchor agent, as shown in FIGS. A pouch having a pouring function (width 130 mm, length 240 mm, bottom folding width 36 mm) of the present invention, in which a Y-shaped folded shape holding member as shown in FIG. 3 was heat-sealed, was produced.

Further, in the laminated film laminated in the same manner as the pouch with the pouring function of the present invention, a portion of the pouch with the pouring function, which is inside the pouring section, is made of polyethylene having a thickness of 0.3 mm. Of a conventional pouch with a pouring function (width 13
0 mm, length 240 mm, bottom folding width 36 mm).

The pouch with the pouring function of the present invention and the conventional pouch with the pouring function are each placed in the same carton case (inner width: 370 mm, depth: 240 mm, height: 280 m).
m), and the quantity was confirmed.

As a result, while the conventional pouch with a dispensing function could be packed in only 800 bags, the pouch with a dispensing function of the present invention could be packed in 1100 bags and had excellent transport efficiency. Was confirmed.

[0024] Each of the pouch with a pouring function of the present invention and the conventional pouch with a pouring function is filled with 450 ml of the same liquid detergent and 450 ml of the same liquid shampoo having a relatively high viscosity, respectively. The bottle was refilled. The pouch with the pouring function of the present invention and the conventional pouch with the pouring function of the present invention have the same spout area.

As a result, refilling of the liquid detergent required approximately 10 to 11 seconds for both pouches with a pour function. For refilling liquid shampoos with relatively high viscosity, the above-mentioned conventional pouch with a pour function is used.
While it took ~ 45 seconds, the pouch with the pouring function of the present invention was refilled in 40 to 42 seconds.

[0026]

According to the pouch with a pouring function of the present invention,
The diameter of the spout keeps a flat shape that is almost the same as the thickness of the pouch with the pouring function, and when loading or transporting the pouch with the pouring function, the space is effectively used without bulking the container. be able to.

Further, when the contents are to be poured out, the pair of walls expand outward, so that the shape of the spout at the time of the pouring is stable, and the contents can be stably and quickly poured out. Become.

Furthermore, since the pour portion of the pouch with the pour function has a bend in advance, the pair of wall portions can be opened smoothly.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a pouch with a pouring function according to the present invention.

FIG. 2 is an enlarged view of a main part showing an AA cross section of FIG. 1;

FIG. 3 is an enlarged view of a main part showing a state at the time of discharging the contents of a discharging section of FIG. 2;

FIG. 4 is an enlarged sectional view of a pouring section showing a pouch with a pouring function according to a second embodiment of the present invention.

FIG. 5 is an enlarged sectional view of a pouring section showing a third embodiment of a pouch with a pouring function of the present invention.

FIG. 6 is an enlarged sectional view of a pouring section showing a fourth embodiment of a pouch with a pouring function of the present invention.

FIG. 7 is a cross-sectional view showing another shape of the pouch with a pouring function of the present invention.

FIG. 8 is a sectional view showing still another shape of the pouch with a pouring function of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Pouch with pouring function 2 Seal part 3 Pouring part 4 Filling port 5 Shape holding member 6 Notch 7 Opening part 8 Unseal part 9 Outlet 10, 11 Wall part 12 Connection part 13 Opening part 14 Connecting part 15, 16 Sheet 17, 18 Unwelded part 19, 20, 21, 22, 23, 24 Part of wall 25 Slit

Claims (6)

[Claims] 1. A pouch with a pouring function, wherein a foldable shape holding member is mounted inside the pouring section. 2. The pouch with a pouring function according to claim 1, wherein the pouring portion forms a bulge protruding outward. 3. The pouch with a pouring function according to claim 1, wherein the shape maintaining member has a Y-shaped cross section. 4. The pouch with a pouring function according to claim 1, wherein the shape maintaining member has a U-shaped cross section. 5. The pouch with a pouring function according to claim 1, wherein the shape maintaining member has a V-shaped cross section. 6. The pouch with a pouring function according to claim 1, wherein the shape maintaining member has a rhombic cross-sectional shape.