JP5197994B2 - Plastic bag body - Google Patents

Description

  The present invention relates to a synthetic resin bag body with a palm portion that maintains the shape of the bag in a hexahedron.

As a bag body for storing a cosmetic facial mask, toilet aid, etc., as shown in FIG. 10, gusset films 4 are interposed on both sides between the two front and back body films 1a and 1b, and side seals 2 are provided. There is provided a synthetic resin bag body with a palm portion that is horizontally placed with the palm portion 3 extended from the body films 1a and 1b as a content outlet.

  Even if this synthetic resin bag with a palm portion is filled with the contents to maintain the solid shape, the rigidity of the film itself is strong, so there is a limit to holding the solid shape, and the corners of the bag body are rounded. Even if it takes an elliptical shape and can protect the contents, it is extremely difficult to maintain an angular three-dimensional shape composed of a hexahedron that exhibits an aesthetic appearance when displayed at a store or the like.

  As disclosed in Patent Document 2 for a bag body that retains a three-dimensional shape, there is provided an invention in which a mold member such as paper is loaded in the bag body in order to retain the three-dimensional shape.

Since this is loaded with a mold member made of paper or the like in a bag body, a very complicated manufacturing process is required, and there is a problem that cost and quality are difficult to be uniform.
JP 2006-335420 A JP2007-45494A

  This invention is providing the synthetic resin bag body which maintains the form of a bag to a hexahedron at low cost and a simple manufacturing process in the synthetic resin bag body with the palm part which becomes horizontal placement.

The synthetic resin bag body with a palm portion according to the present invention for solving the above-mentioned problems is characterized by the means of the following first to third items.
<Section 1>
A hexahedron-shaped bag structure having a pair of upper and lower upper and lower surfaces, a pair of front and rear front and rear surfaces, and a pair of left and right side surfaces, and can be folded into a flat shape so as not to be bulky up and down; and,
On the upper surface of the bag structure, there is a standing palm portion extending across the front and rear, and the palm portion serves as a content outlet, and
The bag structure is provided with two front and back barrel films and a gusset film, and the palm portion is formed by an upright extension of both the front and back barrel films, and the gusset film is a hexahedron shape. The front and rear surfaces of the bag structure are formed by the gusset film interposed between the front surface portion and the rear surface portion of the bag structure, and
On the left and right side surfaces in the hexahedron form of the bag structure, there are side seals that horizontally seal the front and back both body film side and the lower surface portion side of the bag structure over the front and rear direction, and
Regarding the relative relationship between the front and rear surfaces and the left and right side surfaces in the bag structure, the left and right widths of the front and rear surfaces are less than the front and rear lengths of the left and right side surfaces.
In the synthetic resin bag body with a palm portion that assumes
The front and rear both sides consisting Gazette film of the bag structure, the synthetic resin shape maintaining sheet to maintain the six surfaces forms state of the bag structure is bonded are facilities, and synthetic resin shape retention A synthetic resin bag characterized in that a sheet is folded together with a gusset film .
<Section 2>
The synthetic resin bag body as described in the above item 1, wherein a synthetic resin shape-retaining sheet piece is applied to the entire front and rear surfaces of the bag structure gusset film.
<Section 3>
On the front and rear surfaces of the bag structure gusset film, the synthetic resin shape holding sheet pieces are applied to the corners of the four corners where the body film and the gusset film are continuous. The synthetic resin bag described in 1 .

According to the present invention, a synthetic resin shape maintaining sheet to maintain a hexahedral form the bag can be or held Guests do tatami folding flat the angular three-dimensional shape composed of hexahedral. Therefore, according to the present invention, it is possible to provide a synthetic resin bag body with a palm portion that is horizontally placed to protect the contents and present an aesthetic appearance during display at a low cost and with a simple manufacturing process.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

FIG. 1 shows a first embodiment of the present invention, in which a gusset film 4 is interposed on both sides between two front and back body films 1a and 1b, and side seals 2 extend from the body films 1a and 1b. 3 is a synthetic resin bag body with a palm portion having a content take-out port 3, and a chuck 10 is provided inside the palm portion 3.

The first embodiment of the present invention, each of the entire surface before and after opposing sides, were subjected to plastic shape maintaining sheet 5 to maintain the hexahedral form.

Wherein the synthetic resin shape maintaining sheet 5, preferably polyolefin fin such as polyethylene or polypropylene, for example Forte (trade name, manufactured by Sekisui Chemical Co., Ltd., polyethylene ultradrawn sheet) can be mentioned, the shape maintaining sheet 5 , the height of the Gazette film 4 as shown in Figure 2, a sheet of dimension corresponding to the front and rear surfaces of the left and right width, is to have a fold line 6 which corresponds to the folding line 4a Gazette film 4. The synthetic resin shape-holding sheet 5 is disposed by being bonded or laminated on the inner surfaces of the opposing front and rear surfaces .

FIG. 3 shows an example of a design change of the first embodiment. The synthetic resin shape holding sheet 5a disposed on the inner surfaces of the front and rear faces facing each other is arranged on both side ends as shown in FIG. the has a shape to form a chevron recess 5b centered, but arranged by bonding or laminating the front and back surfaces of opposed inner surfaces leaving a portion of both end portions of the front and rear opposite sides.

  In any of the design changes of Example 1 and Example 1, the synthetic resin shape holding sheets 5 and 5a are folded at the folding line 6 so that the bag body is flattened, and the folded synthetic resin shape is held. By extending the sheets 5 and 5a and making them stand upright, the bag body with its tension, as shown in FIGS. 1 and 3, has an angular three-dimensional shape composed of a hexahedron having a palm portion 3 serving as a content outlet on the upper surface. This is a horizontal synthetic resin bag body that holds

FIG. 5 shows a second embodiment of the present invention, in which a gusset film 4 is interposed on both sides between two front and back body film 1a, 1b, and side seals 2 extend from the body film 1a, 1b. 3 is the same as in the first embodiment in that a plastic resin bag body with a palm portion having 3 as a content outlet is provided, and a chuck 10 is provided inside the palm portion 3.

In Example 2, synthetic resin shape holding sheet pieces 7 for maintaining a hexahedral shape are applied to the corners of the four corners where the body films 1a and 1b and the gusset film 4 are continuous.

Wherein the synthetic resin shape maintaining sheet piece 7 may be mentioned preferably polyolefin fin such as polyethylene or polypropylene, for example Forte (trade name, manufactured by Sekisui Chemical Co., Ltd., polyethylene ultradrawn sheet) a. Those for the shape retaining sheet 7, also, the sheet having a size corresponding to the height of the Gazette film 4 as shown in Figure 6, having a fold line 6 which corresponds to the folding line 4a Gazette film 4, Alternatively , in the shape corresponding to the fold line 4a of the gusset film 4 as shown in FIG. 7 (B), as shown in FIG. Ru can be mentioned a shape forming a cutout recess 7b. The synthetic resin shape-retaining sheet 7 is disposed by adhering or laminating the inner surfaces of the corners of the four corners where the body films 1a and 1b and the gusset film 4 are continuous.

In this Example 2, the synthetic resin shape holding sheet pieces 7 arranged at the corners of the four corners where the body films 1a and 1b and the gusset film 4 are continuous are formed by the folding line 6 or the ridges 7a and the notch recesses 7b. When folded, the bag body becomes flat, and the folded synthetic resin shape holding sheet piece 7 is extended and brought upright, so that the bag body with its tension, as shown in FIG. This is a horizontally placed synthetic resin bag body that retains an angular three-dimensional shape having a hexahedron having the joint portion 3 to be.

FIG. 8 shows a third embodiment of the present invention, in which a gusset film 4 is interposed on both sides between two front and back body film 1a, 1b, and side seal 2 is extended to extend from the body film 1a, 1b. 3 is the same as in the first and second embodiments, in that a synthetic resin bag body with a palm portion having 3 as a content outlet is provided, and a chuck 10 is provided inside the palm portion 3.

In this third embodiment, the lattice-like synthetic resin shape maintaining sheet shown in FIG window frame shown in (A) shaped synthetic resin shape maintaining sheet 8 or 9 for maintaining the hexahedral form (B) 9 is applied to both the front and rear sides facing each other.

The window frame-shaped synthetic resin shape-retaining sheet 8 or the lattice-shaped synthetic resin shape-retaining sheet 9 is preferably a polyolefin such as polyethylene or polypropylene, such as forte (trade name, manufactured by Sekisui Chemical Co., Ltd., a polyethylene ultra-stretched sheet). Yes, as shown in FIG. 8, the sheet is a hexahedron gusset film 4 and opposite front and back width dimensions, and has a fold line 6 corresponding to the fold line of the gusset film 4. The window frame-shaped synthetic resin shape-holding sheet 8 or the lattice-shaped synthetic resin shape-holding sheet 9 is disposed on the inner surfaces of both the front and rear surfaces facing each other.

In Example 3, the window frame-shaped synthetic resin shape-holding sheet 8 or the lattice-shaped synthetic resin shape-holding sheet 9 disposed on the inner surfaces of both the front and rear surfaces facing each other is folded at a folding line 6. The bag body is flattened, and the folded window frame-shaped synthetic resin shape holding sheet 8 or the lattice-shaped synthetic resin shape holding sheet 9 is extended and brought upright, whereby the bag body is drawn by its tension. As shown by 8, a horizontally placed synthetic resin bag body having an angular three-dimensional shape composed of a hexahedron having a palm portion 3 serving as a content outlet is provided on the upper surface.

  In the above-described Example 1, Example 1 design change example, Example 2 and Example 3 both in a horizontally placed synthetic resin bag with a palm portion, a box-shaped solid shape can be maintained after filling the contents. In particular, it can protect the contents that are easy to collapse into shape, and exhibits the beauty of an angular three-dimensional shape consisting of hexahedrons while being a bag when displayed at a merchandise store, etc., and for print display and visual transmission design The entire hexahedron can be effectively used as a space, and a novel packaging form can be appealed to consumers, and the display effect can be enhanced.

  Moreover, the both sides gusset film 4 of the synthetic resin bag body with a laterally-arranged palm-shaped portion made of a hexahedron is a synthetic resin shape holding sheet 5, a synthetic resin shape holding sheet piece 7, a window frame shape. Since it can be folded together with the synthetic resin shape-retaining sheet 8 or the lattice-shaped synthetic resin shape-retaining sheet 9, the bag body is folded into a flat shape when transporting an empty bag so that no wasteful space is required for the transport case. Can be stored.

  The synthetic resin shape-retaining sheet 5, the synthetic resin shape-retaining sheet piece 7, the window frame-shaped synthetic resin shape-retaining sheet 8 or the lattice-shaped synthetic resin shape-retaining sheet 9 used in the present invention are thin films. However, because the shape-retaining effect can be improved and the material is polyethylene, it is heat-sealable as a packaging film, and there is no need to add or change the manufacturing process. It can be used for metal detection and inspection machines after filling products even for harsh foods.

  Further, the synthetic resin shape holding sheet provided with the chevron dent 7a and the notch recess 7b is narrow in width at the chevron dent 7a and the notch recess 7b, so that the part extends from the folded and bent state and stands upright. Therefore, there is an advantage of maintaining the shape of the bent state and the upright state extended from the bent state.

  In the above embodiment, the bag body provided with the reopenable / closable chuck 10 in the joint portion 3 has been described. However, the present invention is also applied to a bag body without a chuck.

The perspective view which shows Example 1 of this invention Front and back perspective views of a synthetic resin shape-retaining sheet applied to Example 1 The perspective view which shows the example of a design change of Example 1. The perspective view of the synthetic resin shape retention sheet | seat given to the example of a design change of Example 1 The perspective view which shows Example 2 of this invention Front and back perspective views of the synthetic resin shape retaining sheet piece applied to Example 2 The front view which shows the example of another shape made from the synthetic resin shape holding sheet piece applied to Example 2 A perspective view showing Example 3 of the present invention. The perspective view of the synthetic resin shape maintenance sheet | seat of a window frame shape and a grid | lattice shape synthetic resin shape which are given to Example 1 A perspective view of a conventional synthetic resin bag with a palm portion

DESCRIPTION OF SYMBOLS 1a Front side trunk | drum film 1b Back side trunk | drum film 2 Side seal 3 Joint part 4 Gazette film
4a Folding line of gusset film 5 Synthetic resin shape holding sheet 5a Synthetic resin shape holding sheet
5b Synthetic resin shape-retaining sheet chevron dent 6 Synthetic resin shape-retaining sheet folding line 7 Synthetic resin shape-retaining sheet piece 8 Window frame-shaped synthetic resin shape-retaining sheet 9 Grid-shaped synthetic resin shape-retaining sheet layer

Claims (3)

A hexahedron-shaped bag structure having a pair of upper and lower upper and lower surfaces, a pair of front and rear front and rear surfaces, and a pair of left and right side surfaces, and can be folded into a flat shape so as not to be bulky up and down; and,
On the upper surface of the bag structure, there is a standing palm portion extending across the front and rear, and the palm portion serves as a content outlet, and
The bag structure is provided with two front and back barrel films and a gusset film, and the palm portion is formed by an upright extension of both the front and back barrel films, and the gusset film is a hexahedron shape. The front and rear surfaces of the bag structure are formed by the gusset film interposed between the front surface portion and the rear surface portion of the bag structure, and
On the left and right side surfaces in the hexahedron form of the bag structure, there are side seals that horizontally seal the front and back both body film side and the lower surface portion side of the bag structure over the front and rear direction, and
Regarding the relative relationship between the front and rear surfaces and the left and right side surfaces in the bag structure, the left and right widths of the front and rear surfaces are less than the front and rear lengths of the left and right side surfaces.
In the synthetic resin bag body with a palm portion that assumes
The front and rear both sides consisting Gazette film of the bag structure, the synthetic resin shape maintaining sheet to maintain the six surfaces forms state of the bag structure is bonded are facilities, and synthetic resin shape retention A synthetic resin bag characterized in that a sheet is folded together with a gusset film . The synthetic resin bag body according to claim 1, wherein a synthetic resin shape-retaining sheet piece is adhered to each of the entire front and rear surfaces of the bag structure gusset film. The synthetic resin shape-retaining sheet pieces are attached to the front and rear surfaces of the bag structure gusset film, respectively, at the corners of the four corners where the body film and the gusset film are continuous. The described synthetic resin bag.

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