JPH1149256A - Wet tissue container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wet tissue container easy to open, not damaged in its shape even if the residual amt. of housed wet tissue becomes little, capable of taking out wet tissue one by one, holding the wet state of content and easily discarded after use. SOLUTION: A wet tissue container is constituted of an inner bag 1 formed by providing an inner bag taking-out port of wet tissue to a wet tissue housing bag and an outer box 2 housing the inner bag 1 and provided with an outer box taking-out port for taking out wet tissue and a cover film 3 is bonded so as to cover the outer box taking-out port and a slit 6 is formed to the region communicating with the inner bag taking-out port and outer box taking-out port 5 of the cover film 3. The cover film 3 is folded in a Z-shape and has a shape wherein the slit 6 is formed to the ridgeline of a lower folded part, a shape wherein two films are superposed one upon another over a constant width in the longitudinal direction of the outer box taking-out port and bonded to the peripheral part of the outer box taking-out port or a shape wherein the slit 6 is folded in a Z-shape on both sides thereof.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container for storing a wet tissue impregnated with a liquid such as water or lotion, while maintaining the wet state of the wet tissue.
The present invention relates to a wet tissue container from which wet tissues can be taken out one by one.

[0002]

2. Description of the Related Art As a conventional wet tissue container, a gusset bag containing a plurality of wet tissues is placed in a synthetic resin container having an open / close lid, or a gusset bag is provided with an outlet. A container is used which has a sealing lid as an opening / closing lid for covering the take-out opening, and which can be opened and taken out of the wet tissue and then resealed to maintain the sealing property.

[0003]

However, the former synthetic resin container has a problem that the production cost is increased due to the complicated structure such as the need for an openable and closable lid. There is also a problem that disposal after use is not easy.

The latter gusset bag is good when the number of wet tissues stored is small, but is flexible when the number of stored tissues is large because the gusset bag is made of a plastic film. Yes, a large number of wet tissues are stored in the bag, and in the state where the shape is maintained, there is no problem in taking out one by one and resealing, but the wet tissue in the bag has decreased as it is used Sometimes, the shape of the bag cannot be maintained, and it becomes difficult to reseal the bag. In addition, since the airtightness of the opening is not ensured in the gusset bag, the opening / closing lid is closed to maintain airtightness when not in use, but the adhesiveness of the opening / closing lid may be reduced and airtightness may be reduced There is. Further, when taking out the wet tissue from the gusset bag, the wet tissue may be taken out more than necessary because the resistance of the opening is small.

[0005] In order to cope with such a problem, the present invention makes it easy to open the container, and even if the remaining amount of the wet tissue stored therein becomes small, the wet tissue can be removed from the container without impairing the shape of the container. Wet tissue container that can be taken out one by one, is easy to reseal, keeps the wet state of the contents wet tissue, has low production cost, and is easy to dispose after use The purpose is to provide.

[0006]

In order to achieve the above object, a container for a wet tissue according to the first aspect of the present invention is a container for storing a wet tissue in a bag containing the wet tissue. A wet tissue container comprising an inner bag provided with an inner bag take-out opening, and an outer box provided with an outer box take-out opening for storing the inner bag and taking out wet tissue, Attach a cover film to cover the box outlet,
A slit is formed in a region of the cover film communicating with the inner bag outlet and the outer case outlet. The container for wet tissue according to the second aspect of the present invention is characterized in that the outer box is provided with a lid that can be opened and closed. The wet tissue container according to the third embodiment includes a sleeve for enclosing the outer box.

[0007] Further, the cover film is folded in a Z-shape, and the slit is formed in the ridge line of the lower folded portion. The cover film is composed of two films, and is constant in the length direction of the outer box take-out opening. It is characterized in that it has a width overlapping shape and a shape stuck on the periphery of the outer box take-out opening, or a shape in which both sides of the slit are folded in a Z-shape.

According to the present invention, it is easy to open, and even if the remaining amount of the wet tissue stored therein is small, it is possible to take out the wet tissue one by one from the inside without damaging the shape of the container. Further, it is possible to obtain a wet tissue container which is reliable and easy to reseal, keeps the wet state of the wet tissue as a content, has low production cost, and is easy to dispose after use.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. FIG. 1 is a perspective view showing an embodiment of the wet tissue container of the first embodiment of the present invention, and FIG. 2 is a blank of an outer box of an embodiment of the wet tissue container of the first embodiment of the present invention. FIG. FIG. 3 is a perspective view and a sectional view showing the shape of the cover film of the wet tissue container of the present invention, and FIG. 4, FIG. 5, FIG. 6, and FIG.
FIG. 2 is a cross-sectional view of a wet tissue container of the first embodiment using a four-shaped cover film. FIG. 8 is a perspective view showing an embodiment of the wet tissue container according to the second embodiment of the present invention, and FIG. 9 is an outer box of an embodiment of the wet tissue container according to the second embodiment of the present invention. FIG. FIG. 10 is a perspective view showing an embodiment of the wet tissue container according to the third embodiment of the present invention, and FIG. 11 is an outer box of an embodiment of the wet tissue container according to the third embodiment of the present invention. FIG. 12 is an exploded view of a sleeve blank of an embodiment of the wet tissue container according to the third embodiment of the present invention.

As shown in FIG. 1, a container A for a wet tissue according to an embodiment of the first aspect of the present invention accommodates an inner bag 1 provided with an inner bag outlet 4 and the inner bag 1. And an outer box 2 having an outer box outlet 5 and a slit 6 in the center.
And a cover film 3 provided with a cover film.

The inner bag 1 is made of a plastic film or a laminate thereof, and is a bag close to a rectangular parallelepiped as shown in FIG. 1 so as to be easily incorporated and fixed in the outer box 2. A bag generally in the form of a gusset bag is preferred. The material used for the inner bag 1 is not particularly limited, but a polyethylene film, a polypropylene film, a polyester film, a polyvinyl chloride film, or the like, or a laminate thereof can be used. For example, polyester / polypropylene, polyester / polyethylene / polypropylene, polyester /
Examples include laminates of aluminum foil / polypropylene, aluminum-deposited polyester / polypropylene, inorganic-deposited polyester / polypropylene, nylon / polypropylene, and the like.

A plurality of wet tissues 7 impregnated with alcohol or the like are folded and stored in the inner bag 1.

Further, the inner bag top opening of the inner bag 1 is provided with an inner bag take-out opening 4 from which the wet tissue 7 can be taken out. The shape of the inner bag outlet 4 is linear,
Circular, elliptical, rectangular, etc. are appropriate. From the viewpoint of airtightness, a linear shape is preferable.

As shown in FIG. 1, the outer box 2 of the wet tissue container A, which is one embodiment of the first embodiment, is assembled into a rectangular parallelepiped shape using mainly paperboard as a rigid material. It is a thing. In terms of good stability,
The top surface has the largest area. In addition, on the outer box 2 made of these paperboards, beautiful printing such as display and pictures can be performed on the surface.

FIG. 2 is a development view of the blank of the outer box 2. The outer box 2 includes a glue margin 14, a top surface 10, a side surface 11, a bottom surface 12, and a side surface 1 through respective broken lines.
3 are sequentially provided, and a pair of a horizontal upper surface 15, a horizontal side surface 16, and a horizontal side are respectively provided on both sides of the top surface 10, the side surface 11, the bottom surface 12, and the side surface 13 through broken lines. Lower surface 17
And the side surface 18 are continuously provided. An outer box outlet 5 is provided at the center of the top surface 10.

The cover film 3 is, as shown in FIG.
The outer case 2 covers the outer case take-out opening of the outer case 2 and is attached to the periphery of the outer case take-out opening 5. Due to the presence of the cover film 3, the airtightness is increased, and the wet state of the wet tissue 7 stored in the inner bag 1 can be favorably maintained. In addition, when taking out the wet tissue 7, the resistance of the slit 6 of the cover film 3 is added, so that it is possible to take out one sheet at a time. further,
After taking out one wet tissue 7, the next wet tissue is securely pulled out as a wet tissue in a state where it is partially pulled out from the inner bag take-out opening 4 without entering the inner bag 1, that is, a standby wet tissue, The wet state is also well maintained.

The cover film 3 has a first shape shown in FIG. 3A, a second shape shown in FIG. 3-B, a third shape shown in FIG. 3-C, and a fourth shape shown in FIG. d. As a first shape, as shown in FIG. 3A, a linear slit 6 is provided at the center of the cover film 3a which is kept flat. The position of the slit 6 is set substantially at the center of the outer case take-out opening 5 of the outer case 2 so that the wet tissue 7 can be easily taken out. Also, this cover film 3
FIG. 4 is a cross-sectional view of a wet tissue container A using a.
The position of the slit 6 of the cover film 3a is set in accordance with the position of the inner bag outlet 4 of the inner bag 1.

As a second shape, as shown in FIG. 3B, a linear slit 6 is formed at the center of the cover film 3b.
Is provided, and is folded in a Z-shape at the center of the cover film 3b to form a fold. These folds are folded in such a manner as to hide the slit 6. This cover film 3
FIG. 5 is a sectional view of a wet tissue container B using
, The wet tissue 7 is taken out one sheet at a time by the resistance of the cover film 3b, the next standby wet tissue 7a is easily held, and the shape is good in terms of airtightness.

As a third shape, as shown in FIG. 3C, the cover film 3c is composed of two sheets, and is taken out of the outer box in the form of a certain width overlapping at the center in the length direction of the outer box outlet 5. The shape is affixed to the periphery of the mouth 5. The overlapping width is in the range of 3 to 10 mm. FIG. 6 is a cross-sectional view of a wet tissue container C using the cover film 3c.
c, the wet tissue 7 is taken out one sheet at a time, and the next standby wet tissue 7a
Are easily retained, and the shape is also favorable in terms of airtightness.

As a fourth shape, as shown in FIG. 3D, a linear slit 6 is formed at the center of the cover film 3d.
Is provided, and both sides of the slit 6 are folded downward in a Z-shape as shown in the figure to form folds on both sides. FIG. 7 is a cross-sectional view of the wet tissue container D using the cover film 3d. The wet tissue 7 is reliably taken out one by one by the resistance of the cover film 3d, and the next standby wet tissue 7
a is easily retained, and the shape is also favorable in terms of airtightness.

The material of the cover film 3 is, like the inner bag 1, a plastic film or a laminate thereof. The outer box 2 is attached to the periphery of the outer box take-out opening 5 with an adhesive. The adhesive to be used is appropriately selected depending on the materials of the selected cover film 3 and outer box 2. For example, an acrylic resin emulsion adhesive, a vinyl acetate resin emulsion adhesive, an ethylene vinyl acetate resin hot melt adhesive, a polyamide resin hot melt adhesive, or the like can be used.

As shown in FIG. 8, the wet tissue container E, which is an embodiment of the second aspect of the present invention, has an inner bag 1 provided with an inner bag outlet 4, and a lid 8 which can be opened and closed. And
It comprises an outer case 2 provided with an outer case take-out port 5 and a cover film 3 provided with a slit 6 in the center.

The inner bag 1 is made of a plastic film or a laminate thereof similarly to the wet tissue container A of the first embodiment, and has a shape close to a rectangular parallelepiped so as to be easily incorporated and fixed in the outer box 2. It is a bag. The material of the inner bag 1 and the shape of the inner bag outlet 4 are the same as in the first embodiment.

As shown in FIG. 8, the outer box 2 of the wet tissue container E, which is one embodiment of the second embodiment, is assembled into a rectangular parallelepiped shape mainly using paperboard as a rigid material. It is a thing. In terms of good stability,
The surface having the largest area is the top surface, and an openable lid 8 is added to the top surface. The form of the lid 8 is not particularly limited. For example, as shown in FIG. 8, cover surfaces are provided on three surfaces adjacent to the top surface, and a stopper 34 is provided. When the lid 8 is closed, the stopper 34 engages with a concave portion on the back surface of the cover surface. There is a hinge cover carton form which is considered to stop securely. This form is preferable from the viewpoint of hygiene because it can be reliably opened and closed and also prevents intrusion of dust and the like from the outside in a closed state. In addition, on the outer box 2 made of these paperboards, beautiful printing such as display and pictures can be performed on the surface.

FIG. 9 is a development view of the blank of the outer box 2. The outer box 2 includes a glue margin 27, a top surface 20, a front surface 21, a bottom surface 22, and a rear surface 2 through respective broken lines.
3, a cover surface 24, a front cover surface 25, and a front cover reinforcing piece 26 are sequentially provided in order, and the top surface 20, the front surface 21,
On both sides of the bottom surface 22, the rear surface 23, and the lid surface 24, a pair of lateral lower surfaces 28, a front adhesive margin 29, a lateral upper surface 30, a rear adhesive margin 31, and horizontal The cover surface 32 is provided continuously. Further, the horizontal cover surface 32 is provided with a horizontal cover surface adhesive margin piece 33 via a broken line. An outer box take-out port 5 is provided at the center of the top surface 20, and a stopper 34 is provided at the center of the broken line between the top surface 20 and the front surface 21 so as to cut into the top surface 20.

As shown in FIG. 10, a wet tissue container F which is an embodiment of the third embodiment has an inner bag 1 provided with an inner bag take-out opening 4 and an outer case provided with an outer case take-out opening 5. 2, a cover film 3 provided with a slit 6 in the center, and a sleeve 9 wrapping the whole.

FIG. 11 is a development view of the blank of the outer box 2. The outer box 2 is provided with a glue margin piece 44, a bottom face 41, a rear face 43, a top face 40, and a front face 42 in this order via respective broken lines, and the top face 40, the front face 42,
On both sides of the bottom surface 41 and the rear surface 43, a pair of lateral upper surfaces 45, a front adhesive margin 47, a lateral lower surface 46, and a rear adhesive margin 48 are respectively provided in series via broken lines. Further, an outer box take-out opening 5 is provided at a central portion of the top surface 40, and a stop piece 49 which can make a U-shaped cut and bendable is provided at the bottom surface 41. When the stop piece 49 is folded outward and the outer box 2 is pulled out from the sleeve 9, the outer box 2 is stopped at a fixed position by being hooked on the folding piece 56 provided on the sleeve 9, and the whole comes out. Is preventing that.

As shown in FIG. 10, the cover film 3 covers the outer box outlet 5 of the outer box 2 as in the first embodiment.
It is stuck on the periphery of the outer box take-out opening 5. As the shape of the cover film 3, three shapes can be used as in the first embodiment.

The sleeve 9 is made of a material having the same rigidity as the outer box 2 and is mainly made of paperboard and assembled in a rectangular tube shape, that is, a sleeve shape. It is preferable that the sleeve 9 is stopped at a certain position so as not to come off the outer box 2 completely.

FIG. 1 is a development view of the blank of the sleeve 9.
It is shown in FIG. The sleeve 9 includes a glue margin 54, a bottom surface 51, a rear surface 53, and a top surface 50 via respective broken lines.
And a front surface 52 are sequentially provided, and a folding piece 55 is continuously provided on one side of the bottom surface 51 via a broken line.
The folded piece 55 is folded inside the sleeve 3. The stop piece 49 of the outer box 2 is hooked on the folding piece 55 to prevent the outer box 2 from stopping at a certain position and being completely pulled out when sliding out of the sleeve 9.

In the wet tissue container of the present invention,
As shown in FIGS. 1, 8 and 10, the inner bag 1 is
It is a rigid rectangular solid stable box that is printed on the outside in the form of being housed inside. The airtightness of the contents such as the wet tissue 7 is satisfied.

As a method of manufacturing, a method of putting the inner bag 1 already containing the contents such as wet tissue into the outer box 2 of a rectangular parallelepiped, and a method of putting the inner bag 1 in the folded outer box 2 There is a method in which the inner bag 1 is adhered and fixed, the outer box 2 in which the inner bag 1 is present is raised, and the inner bag 1 is formed into a box shape, and then the contents such as wet tissue are filled and sealed. In either case, the inner bag 1 and the outer box 2 are adhered and fixed over the entire surface or partially. The adhesive for bonding the inner bag 1 and the outer box 2 is appropriately selected according to the selected materials of the inner bag 1 and the outer box 2. For example, acrylic resin emulsion type adhesive, vinyl acetate resin emulsion type adhesive,
An ethylene vinyl acetate resin hot melt adhesive, a polyamide resin hot melt adhesive, or the like can be used.

When actually using the wet tissue container E of the present invention, the lid with the cover of the outer box 2 is first opened. In the case of the wet tissue container F, the outer box 2 is slid from the sleeve 9 and pulled out to a certain position. In either case, the outer box outlet 5 and the inner bag outlet 4 are completely exposed. Next, the wet tissues 7 are taken out of the inner bag 1 one by one. The next wet tissue 7 after being taken out does not return into the inner bag 1 without the inner bag take-out opening 4 and the cover film 3.
Between the slits 6. Therefore, it is easy to take out the next standby wet tissue 7a.

The flexible inner bag 1 is provided with a rigid outer box 2.
, Even when the amount of the wet tissue 7 in the inner bag 1 is reduced, there is no change in the shape of the wet tissue 7 that is crushed, and there is also a change in the ease of taking out the wet tissue 7 as the contents. In addition, opening can be reliably performed, and airtightness at the time of resealing can be maintained well.

Further, in disposal after use, the inner bag 1
And the outer box 2 can be separated, and can be easily crushed. .

[0036]

【Example】

(Example 1) First, paperboard with a printed surface, basis weight 31
Using a coated ball of 0 g / m ² , a blank as shown in the developed view of FIG. 2 was punched out.

Next, in order to form the inner bag 1, a laminated film of a polyester film / aluminum foil / polyethylene film is used, a straight inner bag outlet 4 is provided on the top surface, and a cylindrical inner bag is formed. 1 was created. This cylindrical inner bag 1 was aligned with the position of the inner bag take-out opening 4 and the outer case take-out opening 5 and bonded to a blank, and the blank was folded to produce a bonded tubular carton with an inner bag.
On each side, the inner bag 1 and the outer box 2 were partially adhered and fixed.

Then, the wet tissue 7 of the contents
The filling was performed by raising a cylindrical carton with an inner bag, inserting the wet tissue 7 folded from the side, and filling. After filling, the flaps on both sides were folded and adhered, and a wet tissue container A of the first embodiment was prepared as shown in FIG.

Example 2 First, using a paperboard having a printed surface and a coated ball having a basis weight of 310 g / m ² , FIG.
Blanks of the outer box 2 and the sleeve 9 as shown in the development views of FIGS. Next,
Inner bag 1 was prepared in the same manner as in Example 1. This cylindrical inner bag 1
Was bonded to the blank of the outer box 2, the blank was folded and bonded, and the outer box 2 having the tubular inner bag 1 was prepared. On each surface, the inner bag 1 and the outer box 2 are partially adhered. Particularly, on the top surface, the positions of the inner bag outlet 4 and the outer box outlet 5 are aligned, and the surface of the inner bag 1 is peripherally located. And the back surface of the outer box 2 were bonded and fixed.

Next, the filling of the contents with the wet tissue 7 was performed by raising the outer box 2 with the cylindrical inner bag 1 and inserting the wet tissue 7 folded from the side. After filling, fold and glue the flaps on both sides,
An outer box 2 containing an inner bag 1 containing a wet tissue was prepared.

Subsequently, the blank of the sleeve 9 is removed from the outer box 2.
, And glued with a glue margin to form a sleeve. At the same time, the stop piece 49 on the bottom surface 41 of the outer box was folded outward, and the folded piece 55 of the sleeve 9 was folded inside. As a result, when the outer box 2 is slid out of the sleeve 3 and pulled out, the container is stopped at the position where the outer box take-out opening 5 is exposed, and a wet tissue container that can slide the outer box 2 back to its original state is created. did.

[0042]

According to the present invention, opening is easy, and
Even if the amount of wet tissue to be stored inside is small, the wet tissue can be taken out one by one from the inside without losing the shape of the container. It is possible to obtain a wet tissue container that keeps the tissue wet, has low production costs, and is easy to dispose after use.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a configuration of an example of a wet tissue container according to a first embodiment of the present invention.

FIG. 2 is an exploded view of an outer box blank of one embodiment of the wet tissue container of the first embodiment of the present invention.

FIG. 3 is a perspective view and a sectional view showing the shape of a cover film of the container for a wet tissue of the present invention.

FIG. 4 is a cross-sectional view of a wet tissue container of the first embodiment of the present invention using a first shape cover film.

FIG. 5 is a sectional view of a wet tissue container of the first embodiment of the present invention using a cover film of a second shape.

FIG. 6 is a cross-sectional view of a wet tissue container of the first embodiment of the present invention using a cover film of a third shape.

FIG. 7 is a cross-sectional view of a wet tissue container of the first embodiment of the present invention using a fourth shape cover film.

FIG. 8 is a perspective view showing an example of a wet tissue container according to the second embodiment of the present invention.

FIG. 9 is an exploded view of an outer box blank of an embodiment of the wet tissue container according to the second embodiment of the present invention.

FIG. 10 is a perspective view showing an example of a wet tissue container according to a third embodiment of the present invention.

FIG. 11 is an exploded view of a blank of an outer box of an embodiment of the wet tissue container according to the third embodiment of the present invention.

FIG. 12 is an exploded view of a sleeve blank of an embodiment of the wet tissue container according to the third embodiment of the present invention.

[Explanation of symbols]

A Container for wet tissue (first form, first shape cover film) B Container for wet tissue (first form, second shape cover film) C Container for wet tissue (first form, third shape cover film) ) D Container for wet tissue (first form, fourth shape cover film) E Container for wet tissue (second form) F Container for wet tissue (third form) 1 Inner bag 2 Outer box 3 Cover film 3a Cover film (first shape) 3b cover film (second shape) 3c cover film (third shape) 3d cover film (fourth shape) 4 inner bag outlet 5 outer box outlet 6 slit 7 wet tissue 7a Standby wet tissue 8 Lid 9 Sleeve 10 Top surface (outer box of first form) 11 Side surface (first form) 12 Bottom surface (outer box of first mode) 13 Side surface (outer box of first mode) 14 Glue strip (outer box of first mode) 15 Horizontal upper surface (outer box of first mode) 16) Side surface (outer box of first embodiment) 17 Lower side surface (outer box of first embodiment) 18 Side surface (outer box of first embodiment) 20 Top surface (outer box of second embodiment) 21 Front surface (outer box of second embodiment) 22 Bottom surface (outer box of second embodiment) 23 Back surface (outer box of second embodiment) 24 Cover surface (outer box of second embodiment) 25 Front cover surface (first Second form outer box) 26 Front cover reinforcing surface (second form outer box) 27 Glue strip (second form outer box) 28 Lateral lower surface (second form outer box) 29 Front glue allowance Piece (outer box of second mode) 30 Upper side surface (outer box of second mode) 31 Back glue strip (outer box of second mode) 32 Side cover face (outer box of second mode) 33 Side cover glue margin (Outer box of second embodiment) 34 Stopper (outer box of second embodiment) 40 Top surface (outer box of third embodiment) 41 Bottom surface (outer box of third embodiment) 42 Front surface (third embodiment) 43 Back surface (outer box of the third embodiment) 44 Glue margin (outer box of the third embodiment) 45 Upper side surface (outer box of the third embodiment) 46 Lower side surface (outer box of the third embodiment) Box) 47 Front glue margin (outer box of third form) 48 Rear glue margin (outer box of third form) 49 Stopper piece (outer box of third form) 50 Top surface (third form) 51 Bottom surface (third form of sleeve) 52 Front surface (third form of sleeve) 53 Back surface (third form of sleeve) 54 Glue margin (third form of sleeve) 55 Folding piece (third form of sleeve) Three forms of sleeve)

Claims (5)

[Claims] 1. A bag containing a wet tissue,
Wet tissue container comprising an inner bag provided with an inner bag take-out opening for taking out wet tissue, and an outer box containing the inner bag and having an outer box take-out opening for taking out the wet tissue Wherein a cover film is stuck so as to cover the outer case take-out opening, and a slit is formed in a region of the cover film communicating with the inner bag take-out opening and the outer case take-out opening. Container for wet tissue. 2. The wet tissue container according to claim 1, wherein the outer box has a cover that can be opened and closed. 3. The wet tissue container according to claim 1, wherein the cover film is folded in a Z-shape, and the slit is formed in a ridgeline of a lower folded portion. 4. The cover film is composed of two films, is overlapped by a predetermined width in a length direction of the outer box outlet, and is adhered to a peripheral portion of the outer box outlet. The wet tissue container according to claim 1 or 2, wherein 5. The wet tissue container according to claim 1, wherein the cover film has both sides of the slit folded in a Z-shape.