JP2006280305A - Rice ball-packaging sheet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rice ball packaging sheet preventing water evaporating from a food material from moving to a laver sheet, sustaining the palate feeling and flavor of the laver sheet, easy to position the laver sheet and excellent in productivity and economic efficiency. <P>SOLUTION: This rice ball packaging sheet 1 is such that the almost oblong laver sheet 2 is laminated and formed between front and back two sheets of resin films 3 and 5, separated from between the resin films when opening the films and stuck to a packaged rice ball. The front resin film 3 has an easy cutting part 4 which divides the central part of the almost oblong shape into right and left. The back resin film 5 is divided into right and left and arranged as a left back resin film 5L and a right back resin film 5R on a close position corresponding to the easy cutting part 4, and the opposed end parts of the left back resin film 5L and the right back resin film 5R are each superposed through a fold part 6. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a rice ball packaging sheet for packaging food such as rice balls formed in a triangular shape or a circular shape, so that the seaweed sheet laminated on this sheet keeps its dry state until its opening. The present invention relates to a rice ball packaging sheet that can be isolated.

Rice balls sold at convenience stores and supermarkets are packaged via a rice ball packaging sheet, and the rice ball packaging sheet is held with a laver sheet sandwiched between the vertically long exterior film and the interior film. Some laver sheets are affixed to the rice balls packaged at the time of opening.
For example, in Patent Document 1, a nori sheet is sandwiched between an outer film and an inner film, and the outer peripheral edges of both the inner and outer films are thermally welded to form a packaging sheet. The inner film has one film piece on one side and two film pieces on the other side, and the side edge of the opposite film piece is sandwiched between the side edges of the two film pieces. In addition, a rice lump packaging sheet such as a rice ball is disclosed in which the inner ends of the film pieces are alternately overlapped in triplicate.
In Patent Document 2, the left and right sides of a single film are folded so that the ends overlap at the center, and the central portion is used as an exterior piece, the left and right portions are used as interior pieces, and the interior is provided along the outer periphery of the exterior piece. A packaging material for rice balls is described in which pieces are bonded to form a bag, and a sheet-like food is inserted into the bag.
JP 2000-224963 A JP 2003-63556 A

However, in the conventional rice ball packaging sheet, the end of the packaging sheet that is separated to the left and right when opened is simply overlapped. There was a problem that the seaweed sheet could not be maintained in a sufficiently dry state, and the crisp texture and the flavor of the seaweed could not be maintained. In particular, in the rice lump packaging sheet such as the rice ball of Patent Document 1, two inner films separated on the left and right are necessary, so the process of arranging the two films and the amount of material used for the film increase. In some cases, the cost was high.
Furthermore, in the rice ball packaging material described in Patent Document 2, a nori sheet is preliminarily arranged on a single film and the packaging material is created by folding the periphery of the film. There is a problem that positioning and holding are difficult, and the production yield may be deteriorated.

  The present invention has been made to solve the above-described conventional problems, and can effectively prevent the evaporated water from the food from transferring to the laver sheet, and maintain the texture and flavor of the laver sheet. At the same time, it is an object of the present invention to provide a rice ball packaging sheet that is easy to position the nori sheet and is excellent in productivity and economy.

(1) The rice ball packaging sheet of the present invention made to solve the above-mentioned conventional problems is formed by laminating a substantially rectangular laver sheet between two front and back resin films, and the rice ball is made of the resin film. Is a rice ball packaging sheet that is attached to the rice ball by separating the laver sheet from the resin film when the film is opened, and the front resin film has a substantially rectangular central portion on the left and right sides. The back resin film is divided into a left back resin film and a right back resin film in the vicinity corresponding to the easy cut portion, and the left back resin film and the right back End portions facing each other with the resin film are overlapped with each other via folded portions.

(2) The rice ball packaging sheet of the present invention is characterized in that a plurality of the folded portions are provided in (1).

  According to the present invention, the front resin film has an easy-cut portion that divides the substantially rectangular central portion into the left and right sides, and the back resin film has a left-side resin film and a right-side back at a position corresponding to the easy-cut portion. Since the end portions facing each other of the left back resin film and the right back resin film are overlapped with each other via the folded portion, the folded portion from the rice ball containing moisture. It is possible to effectively prevent the amount of evaporation from transferring to the laver sheet. Thus, a rice ball packaging sheet capable of maintaining the texture and flavor of the seaweed sheet can be provided.

  Furthermore, according to the present invention, a plurality of folded portions can be provided to form double, triple, quadruple, etc., so that the sealing performance can be further ensured, and the moisture in the rice balls is added to the laver sheet. It can prevent migration and increase its reliability. It is also possible to provide a seasoning holding region for holding a powdery seasoning or the like in the bag-like portion formed by the plurality of folded portions, thereby opening the powdery seasoning such as salt, pepper and dried shrimp. Sometimes you can eat rice balls with excellent fragrance and flavor without sprinkling the powder seasoning by sprinkling on a sheet of seaweed.

FIG. 1 is an explanatory view of a rice ball packaging sheet according to the present embodiment, and FIG. 2 is a partially enlarged explanatory view showing a folded portion of the same rice ball packaging sheet. Hereinafter, the rice ball packaging sheet of the present invention will be described with reference to the drawings.
In FIG. 1, 1 is a rice ball packaging sheet of the present embodiment for enclosing rice balls O formed in a substantially triangular shape from cooked rice or the like, and 2 is a substantially rectangular laver sheet held by the rice ball packaging sheet 1. 3 is a front resin film for exterior use, 4 is an easily cut portion that divides a substantially rectangular central portion of the front resin film 3 to the left and right, and 5 is a left back resin film 5L at a position corresponding to the easy cut portion 4 And a back resin film 5R divided into left and right resin films 5R, 6 is a folded portion formed at the opposing ends of the left back resin film 5L and the right back resin film 5R, 7 Is a packaging rice ball composed of the above-described components, and the rice ball O is included in the rice ball packaging sheet 1.
The rice ball packaging sheet 1 is a substantially rectangular packaging sheet material for packaging foodstuffs such as rice balls formed in a substantially triangular shape or a circular shape by a packaging rice ball manufacturing apparatus, which will be described later, and its two layers. The nori sheet 2 is sandwiched between the sheets. The material for the front resin film 3 and the back resin film 5 of the rice ball packaging sheet 1 is preferably a resin material excellent in water resistance, oxygen impermeability, tensile strength, transparency, printability and the like. Examples thereof include polypropylene and biaxially stretchable polypropylene. Moreover, the composite type thing which laminated | stacked resin with different characteristics, such as vinylidene chloride, can also be used as needed.

  The easy cutting part 4 is a part such as a cut tape connected to the notch of the film edge, or the center of the surface resin film 3 is perforated in the shape of a perforation, the surface is formed with a predetermined shallow thin part, The center of the film is provided so that it can be cut or divided into left and right. In addition, a protrusion-like tab or string-like body is provided at the end of the easy-cutting portion 4 so as to facilitate the division of the front resin film 3, and the opening operation of the rice ball packaging sheet 1 is further facilitated by pulling it. You can also

  The folded portion 6 can be set in various patterns as shown in FIGS. The folded-back portion 6 is a portion that is overlapped so as to be folded together at the opposite end portions of the left back resin film 5L and the right back resin film 5R of the back resin film 5. By gripping the end side of the back resin film 5 and pulling it from both the left and right sides, it is possible to detach it in the left-right direction while developing the overlapping ends. By providing such a folded portion 6, it is possible to reliably block the evaporated moisture from the ingredients such as rice balls wrapped in the rice ball packaging sheet 1, and to dry the laver sheet while the rice balls are held on the sheet So that it can be maintained.

2 (a) and 2 (b), the folded portions 6 and 6a fold the left and right left back resin films 5L and the right back resin film 5R, respectively, with a width of 5 to 10 mm, for example, twice. An example of alternating polymerization is shown. 2 (a) and 2 (b) show examples in which the up and down direction of the folding of the right back resin film 5R is changed, and can be selected from the viewpoint of design and the like.
In the folded portion 6c shown in FIG. 2 (c), the left back resin film 5L is folded twice, and the polymerization degree is increased by turning the end portion of the right back resin film 5R superimposed on the left back resin film 5R four times. An example is shown. That is, the sealing property can be further ensured by providing a plurality of folded portions such as double or triple in this way. Thus, it is preferable to appropriately select the folding form and the number of times of folding according to the required degree of sealing and the area of the developed portion.
In addition, powdery seasonings such as dried shrimp and salt are held in advance in these folded portions, and sprinkled on the laver sheet 2 at the time of opening so that the dried powdered seasonings are used without alteration. You can also eat delicious ingredients at any time. In addition, by printing characters that make children happy, predetermined food information, etc. in the print display area of the folded part, and displaying them when the film is opened, it is possible to add entertainment and advertising effects. It is also possible to add commercial value.

Next, a packaging rice ball manufacturing apparatus to which the rice ball packaging sheet 1 of the present embodiment is applied will be described.
FIG. 3 is an explanatory diagram of a packaging rice ball manufacturing apparatus that manufactures a packaging rice ball 7 using the rice ball packaging sheet 1.
In FIG. 3, 10 is a packaging rice ball manufacturing apparatus, 11 is a rice ball supply unit for supplying a substantially triangular rice ball while being intermittently rotated in the accommodating portion 11b on the receiving disk 11a, and 12 is a disk-shaped base that is rotationally driven. A film wrapping unit having a base 12a and containing the rice balls supplied from the rice ball supply unit 11 in the folding jig 12b and encapsulating them in the rice ball wrapping sheet 1, 13 supplies the rice wrapping sheet 1 to the film wrapping unit 12. The rice ball packaging sheet supply unit 14 is for heat-sealing the opening of the rice ball packaging sheet 1 containing the rice balls extruded from the film packaging unit 12 through the rice ball extrusion jig 12c and affixing a label on the film surface. The packaging finish with the turntable 14a, 15 is for transporting the packaged rice balls taken out from the packaging finish 14. Conveyor, 16 rice balls supply unit 11 and the film packaging unit 12, rice ball packing sheet supply portion 13, the packaging specifications upper 14, the conveyor 15 is an apparatus main body for supporting the like.

  The rice ball supply unit 11 includes a receiving disk 11a that rotates by a predetermined intermittent operation, and pressurizes the cooked rice supplied to the receiving recess 11b on the receiving disk 11a with a push plate ram, not shown, Insert a tool or the like into a triangular rice ball. The receiving disk 11a is rotated intermittently through a control unit (not shown) so as to synchronize with the operation of a film packaging unit 12, a rice ball packaging sheet supply unit 13, a packaging finish 14 and a conveyor 15 which will be described later. The operation is controlled.

  The film packaging unit 12 wraps the rice balls supplied from the rice ball supply unit 11 during the rotational movement of the disk-shaped base unit 12a around the folding jig 12b while holding the rice balls storage unit 12c of the folding jig 12b. It is an apparatus which forms the sheet | seat 1 for bags in the bag shape which one end opened.

As shown in FIG. 4, the folding jig 12b includes a pair of left and right folding mold parts 12d and 12e, and the rice ball extrusion jig 12c advances and retracts between the folding mold parts 12d and 12e via a drive unit such as an air motor (not shown). They are inserted freely, and their front sides are bent into a substantially mountain shape so that the cooked rice storage portion 12f is formed. By moving the rice ball extrusion jig 12c toward the front side of the folding jig 12b, the rice ball O stored in the cooked rice storage portion 12f can be pushed out and discharged to the opening side.
The folding jig 12b, which contains rice balls stored in the cooked rice storage portion 12f, is formed into a substantially rectangular shape (cuboid), and thereby, the rice ball packaging sheet that is put on the folding jig 12b using the folding jig 12b as a frame. 1 can be easily and accurately folded or heat-sealed. In the folding jig 12b, the lower end surface of the folding jig 12b is placed with a predetermined gap with respect to the placement surface of the disc-shaped base portion 12a, and the tip of the horizontal slide plate 12h is placed in this gap. By being pushed in, the rice ball packaging sheet 1 is folded and disposed on the lower end surface of the folding jig 12b.

  The rice ball packaging sheets 1 are supplied one by one from the rice ball packaging sheet supply unit 13 via the rice ball supply unit 11 to the upper portion of the folding jig 12b into which the rice balls are inserted. The rice ball packaging sheet 1 has a predetermined shape, for example, a rectangular shape having a length of about 240 mm and a width of about 150 mm, and has a notch M such as a triangular shape having a side of about 10 mm at both edges at the center when vertically folded. (See FIG. 4). This facilitates the folding operation when the rice ball packaging sheet 1 is folded into a U-shape at the center thereof to form the upper end surface and the lower end surface, and an extra folding portion is added to the U-shaped folding portion. To prevent the appearance of it.

As shown in FIG. 5, a vertical slide plate 12g that slides vertically along the opening surface to fold the rice ball packaging sheet 1 into an L-shape is supported on the opening surface side where the rice balls of the folding jig 12b are inserted. It can be moved up and down through the section. The vertical slide plate 12g is driven in the vertical direction by an elevating drive unit such as an air motor (not shown), and along with this elevating operation, one end side of the rice ball packaging sheet 1 disposed on the upper end surface of the folding jig 12b is L-shaped. It can be bent. Further, when the vertical slide plate 12g protrudes, a horizontal opening 12i for inserting and removing the horizontal slide plate 12h into and out of the vertical slide plate 12g at a position corresponding to the gap between the disc-shaped base portion 12a and the folding jig 12b. Is provided.
Then, as shown in FIG. 6, the front end of the horizontal slide plate 12h is inserted in the horizontal opening 12i in the horizontal direction, the rice ball packaging sheet 1 is bent in a U-shape, and the lower end surface side of the folding jig 12b is a rice ball. It is covered with a packaging sheet 1.

Moreover, as shown in FIG.7 and FIG.8, the film packaging part 12 slides up and down so that the both sides of the folding jig | tool 12b may be inserted | pinched, and the said rice ball packaging sheet 1 of an upper side and a lower side is both sides. An upper folding jig 12j and a lower folding jig 12k having a pair of left and right claw parts to be bent to the side are provided. Thereby, both the open side-side ends of the rice ball packaging sheet 1 formed in a U-shape are folded in a superimposed state.
As shown in FIG. 9, the film packaging part 12 is provided with a temporary fixing jig 22 such as a heater for temporarily fixing the upper and lower overlapping parts P at the side of the side of the rice ball packaging sheet 1 folded in the vertical direction at two points. I have.
Furthermore, as shown in FIG. 10, the film packaging part 12 is provided with a pair of left and right seals that are thermobonded to seal the overlapped part P of the rice ball packaging sheet 1 from both sides of the folding jig 12b. A heater 12m is provided. The heater 12m has a rectangular shape substantially the same length as the entire length of the overlapping portion P, and is attached via a drive unit such as an air motor or an electric motor (not shown).

Further, as shown in FIG. 3, the packaging finish 14 is incorporated in a bag-shaped rice ball packaging sheet 1 having an open end of a rice ball O extruded from the film packaging part 12 via a rice ball extrusion jig 12c. In this state, the turntable 14a is supplied to the rice ball packaging sheet storage portion 14b. The turntable 14a is rotated in synchronization with the intermittent rotation operation of the film packaging unit 12. On the turntable 14a, a pair of upper and lower heaters 14c, 14d for sealing the opening of the rice ball packaging sheet 1 having one end opened and both sides of the rice ball packaging sheet 1 are formed in a folded shape (not shown). A tatami jig is provided.
Thus, as shown in FIG. 3, the packaged rice ball 7 in which the rice ball O is incorporated in the rice ball packaging sheet 1 that is sealed in a bag shape and formed in a substantially rectangular shape is a discharge portion of the turntable 14a. Are discharged one by one onto the conveyor 15 via a pusher (not shown) and transferred to a boxing device or the like.

Then, the manufacturing method of the packaging rice ball using the manufacturing apparatus 10 of the packaging rice ball demonstrated above is demonstrated.
(1) First, the rice bowl 11a of the rice ball supply unit 11 is fixed at a predetermined rotational position, and the rice ball O formed in a triangular shape is accommodated in the triangular or circular storage recess 11b positioned at the rice supply port. To do.

(2) The receiving disk 11a is further rotated by a predetermined angle to raise the rice ball O by raising the lower ram of the housing recess 11b at the rice ball supply position (position A in FIG. 3) of the film packaging part 12, and The side surface side of O is pushed by a pushing jig (not shown) and moved on the mounting surface of the disk-shaped base portion 12a, and the rice ball O is inserted and arranged in the cooked rice storage portion 12f of the folding jig 12b. In this way, the rice ball O is held on the folding jig 12b which is formed in a substantially rectangular shape by surrounding the rice ball O around the three sides with the cooked rice storage portion 12f, and is rotated on the disk-shaped base portion 12a.

(3) Next, the rice ball packaging sheet 1 is supplied from the rice ball packaging sheet supply section 13 to the upper end surface of the folding jig 12b in which the rice ball O is stored in the cooked rice storage section 12f. The upper end surface of 12b is covered with the rice ball packaging sheet 1 (see FIG. 4). Here, the rice ball packaging sheet 1 is fixed to the rice ball O by pressing the base end side of the rice ball packaging sheet 1 from above the folding jig 12b with a clip-like claw or the like.

(4) Next, at the position B in FIG. 3, while the base end side of the rice ball packaging sheet 1 is fixed to the upper end surface of the folding jig 12b, it is vertically slid along the opening surface of the opening of the folding jig 12b. The board 12g is slid in the vertical direction, and the center of the rice ball packaging sheet 1 is bent into an L shape (see FIG. 5).

(5) At the position B in FIG. 3, the front end of the horizontal slide plate 12h is inserted into the horizontal opening 12i formed in the vertical slide plate 12g and slid in the horizontal direction. Thereby, the lower end side of the rice ball packaging sheet 1 is further bent along the lower end surface of the folding jig 12b to form a U-shape. Thus, the rice ball packaging sheet 1 can be inserted and arranged on the lower surface side of the rice ball O (see FIG. 6). In addition, the lower surface side and the upper surface side of the rice ball packaging sheet 1 folded in a U-shape can be fixed so as to be sandwiched from above and below the folding jig 12b by a fixing jig. Since the sheet 1 is positioned without shifting, the subsequent folding process on both sides of the rice ball packaging sheet 1 can be reliably performed.

(6) At the position C in FIG. 3, using the upper folding jig 12j that moves up and down both sides of the folding jig 12b from above, the edges of the both sides opened of the rice ball packaging sheet 1 Is bent inward and downward (see FIG. 7).
Next, using the lower folding jig 12k that moves up and down both sides of the folding jig 12b from below, the edges of the opened sides of the rice ball packaging sheet 1 are folded inward and upward. As a result, it is possible to form an overlapping portion P in which the end portions on both sides are opposed and overlapped (see FIG. 8). In addition, on the left and right sides of the U-shaped folded portion of the rice ball packaging sheet 1 are tabs for film removal R that make it easy to open the rice ball packaging sheet 1 when eating the rice balls. Formed. A notch M formed in a groove shape or the like is arranged at the tip of the ear-shaped portion so that the triangular film removal tab R is formed in a good shape.

(7) Subsequently, the overlapping portion P on both sides of the rice ball packaging sheet 1 is temporarily fixed with a temporary fixing jig 22 such as a heater (see FIG. 9), and then the overlapping portion P is folded at the position D in FIG. The side surface of the tool 12b is used as an underlay and thermocompression bonded with a heater 12m to form a rice ball packaging sheet 1 in a substantially rectangular bag shape with one end opened (see FIG. 10).

(8) At the position E in FIG. 3, the rice ball extrusion jig 12c housed in the folding jig 12b is extended and the rice ball O is put together with the rice ball packaging sheet 1 formed in a bag shape from the opening side to the packaging finish 14. Is pushed onto the turntable 14a and removed from the cooked rice storage portion 12f of the folding jig 12b (see FIG. 11).

(9) At the position F in FIG. 3, the upper and lower surfaces of the rice ball packaging sheet 1 containing the rice ball O accommodated in the rice ball packaging sheet storage portion 14b of the turntable 14a are fixed with plate-like vertical pressing jigs. . Next, at the position G in FIG. 3, the both sides of the rice ball packaging sheet 1 that have been thermocompression bonded are pressed from the left and right directions and shaped so as to be folded in a valley. At the position H in FIG. 3, the last remaining opening is pressurized from above and below by the heaters 14 c and 14 d to seal the substantially rectangular rice ball packaging sheet 1. Thereby, the packaging rice ball 7 as shown in FIG. 1 is obtained. Finally, at the position I in FIG. 3, the packaging rice ball 7 can be moved onto the conveyor 15 and transferred to the subsequent boxing process or the like.

As described above, the rice ball packaging sheet 1 of the present embodiment is formed by laminating a substantially rectangular nori sheet 2 between two front and back resin films, and the nori sheet 2 is turned upside down when the film is opened. Affixed to the onigiri O packaged between the resin films 3 and 5. The front resin film 3 has an easily cut portion 4 that divides the substantially rectangular center portion into left and right sides, and the back resin film 5 has a left back resin film 5L and a right back resin film at positions near the easily cut portion 4. 5R and the left and right back resin films 5L and 5R are overlapped with each other through the folded portion 6 so that the left and right resin films 5L and 5R overlap each other through the folded portion 6. The evaporation can be prevented from being transferred to the laver sheet 2, and the texture and flavor of the laver sheet 2 can be maintained.
Furthermore, a seasoning holding region for holding the powdered seasoning can be provided in the bag-like portion formed by the folded portion 6, whereby a powdered seasoning such as salt, pepper and dried shrimp can be provided when the seaweed sheet is opened. You can always eat rice balls with excellent fragrance and flavor without changing the seasoning of the powder. In addition, logo marks, characters, manufacturing data, etc. can be printed on the print display area of the turn-back portion 6 so that they can be unfolded and displayed when the film is opened, and advertising effects, notification functions, etc. are added to the rice ball packaging sheet 1 itself. be able to.

It is explanatory drawing of the sheet | seat for rice ball packaging which concerns on this Embodiment. It is a partially expanded explanatory view which shows the folding | turning part of the same rice ball packaging sheet. It is explanatory drawing of a packaging rice ball manufacturing apparatus. It is explanatory drawing of the process of covering the rice ball packaging sheet | seat in a folding jig. It is explanatory drawing of the bending process of the sheet | seat for rice ball packaging by a vertical slide board. It is explanatory drawing of the bending process of the sheet | seat for rice ball packaging by a horizontal slide board. It is explanatory drawing of the bending process of the rice ball packaging sheet | seat using an upper folding jig | tool. It is explanatory drawing of the bending process of the sheet | seat for rice ball packaging using a lower folding jig | tool. It is explanatory drawing of the method of fixing the overlap part of the rice ball packaging sheet with a temporary fixing jig. It is explanatory drawing of the method of carrying out the thermocompression bonding with the heater of the overlap part of the sheet | seat for rice ball packaging. It is explanatory drawing of the method of extending a rice ball extrusion jig | tool and extruding a rice ball.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Onigiri packaging sheet 2 Nori sheet 3 Front resin film 4 Easy cutting part 5 Back resin film 5L Left back resin film 5R Right back resin film 6 Folding part 7 Packaging rice ball 8 Exterior material 10 Packaging rice ball manufacturing apparatus 11 Rice ball supply part 11a Receipt Disc 11b Mold 12 Film wrapping part 12a Disc-shaped base 12b Folding jig 12c Rice ball extrusion jig 12d Folding mold part 12e Folding mold part 12f Cooked rice storage part 12g Vertical slide plate 12h Horizontal slide plate 12i Horizontal opening 12j Upper fold Jig 12k Down folding jig 12m Heater 12n Folding auxiliary jig 13 Onigiri packaging sheet supply unit 14 Packaging finish 14a Turntable 14b Onigiri packaging sheet storage unit 14c Heater 14d Heater 15 Conveyor 16 Device body 22 Temporary fixing jig O Onigiri M Away portion P overlapping portion R film removal tab

(1) The rice ball packaging sheet of the present invention made to solve the above-mentioned conventional problems is formed by laminating a substantially rectangular laver sheet between two front and back resin films, and the rice ball is made of the resin film. And holding the seaweed sheet between the resin films when the film is opened, and sticking to the rice ball, the rice ball packaging sheet containing the rice ball, the surface resin film of the substantially rectangular shape The back resin film is divided into a left back resin film and a right back resin film in the vicinity corresponding to the easy cut portion, and is divided into left and right parts, and the left back resin. film and has opposite ends which are respectively superimposed over the folded portion of said right back resin film, when folding the resin film in a U-shape bets A film removal tab formed into a substantially triangular shape by being bent so that both edges thereof are opposed and overlapped with each other, and the film removal tab is formed. I included a rice ball .

According to the present invention, the front resin film has an easy-cut portion that divides the substantially rectangular central portion into the left and right sides, and the back resin film has a left-side resin film and a right-side back at a position corresponding to the easy-cut portion. Since the end portions facing each other of the left back resin film and the right back resin film are overlapped with each other via the folded portion, the folded portion from the rice ball containing moisture. It is possible to effectively prevent the amount of evaporation from transferring to the laver sheet. In addition, it has a tab for film removal that is formed into a substantially triangular shape by folding the resin film into a U-shape and bending so that both edges thereof are opposed and overlapping, A rice ball is included with the film removal tab formed. Thus, it is possible to provide a rice ball packaging sheet that can be easily opened by pinching the film removal tab when eating rice balls and can maintain the texture and flavor of the laver sheet.

(1) The rice ball packaging sheet of the present invention made to solve the above-mentioned conventional problems is formed by laminating a substantially rectangular laver sheet between two front and back resin films, and the rice ball is made of the resin film. And holding the seaweed sheet between the resin films when the film is opened, and sticking to the rice ball, the rice ball packaging sheet containing the rice ball, the surface resin film of the substantially rectangular shape The back resin film is divided into a left back resin film and a right back resin film in the vicinity corresponding to the easy cut portion, and is divided into left and right parts, and the left back resin. The opposite end portions of the film and the right back resin film are overlapped with each other via a folded portion, and when the resin film is folded into a U shape Its edges on both sides side is formed in a substantially triangular shape by bending so as to overlap opposite, the film has been film removal tabs to Tsumameru upon opening, the film removal tab is formed The rice balls were included in the state of being made.

According to the present invention, the front resin film has an easy-cut portion that divides the substantially rectangular central portion into the left and right sides, and the back resin film has a left-side resin film and a right-side back at a position corresponding to the easy-cut portion. Since the end portions facing each other of the left back resin film and the right back resin film are overlapped with each other via the folded portion, the folded portion from the rice ball containing moisture. It is possible to effectively prevent the amount of evaporation from transferring to the laver sheet. In addition, the film removal tab, which is formed into a substantially triangular shape by folding the resin film into a U-shape and bending the edges on both sides to face each other, overlaps when the film is opened. And includes a rice ball in a state where the film removal tab is formed. Thus, it is possible to provide a rice ball packaging sheet that can be easily opened by pinching the film removal tab when eating rice balls and can maintain the texture and flavor of the laver sheet.

(1) The rice ball packaging sheet of the present invention made to solve the above-mentioned conventional problems is formed by laminating a substantially rectangular laver sheet between two front and back resin films, and the rice ball is made of the resin film. And holding the seaweed sheet between the resin films when the film is opened, and sticking to the rice ball, the rice ball packaging sheet containing the rice ball, the surface resin film of the substantially rectangular shape The back resin film is divided into a left back resin film and a right back resin film in the vicinity corresponding to the easy cut portion, and is divided into left and right parts, and the left back resin. film and the right and the opposing ends of the back resin film is respectively superimposed over the folded portion, folding said resin film in a U-shape at the center And a film removal tab which is formed into a substantially triangular shape by bending the edges of both sides so as to face each other and overlap each other, and is configured to be pinched when the film is opened. And the resin film has a notch at the edge on the both sides in the center when folded into the U-shape .

According to the present invention, the front resin film has an easy-cut portion that divides the substantially rectangular central portion into the left and right sides, and the back resin film has a left-side resin film and a right-side back at a position corresponding to the easy-cut portion. Since the end portions facing each other of the left back resin film and the right back resin film are overlapped with each other via the folded portion, the folded portion from the rice ball containing moisture. It is possible to effectively prevent the amount of evaporation from transferring to the laver sheet. In addition, the resin film is folded in a U-shape at the center and bent so that the edges on both sides face each other and overlap each other. And includes a rice ball in a state where the film removal tab is formed. Thus, it is possible to provide a rice ball packaging sheet that can be easily opened by pinching the film removal tab when eating rice balls and can maintain the texture and flavor of the laver sheet. Furthermore, since the resin film has notches at the edges on both sides in the center when folded into a U-shape, this folding operation is facilitated and an extra fold is formed at the U-shaped bend. This prevents the appearance of the insert from being formed.

Claims (2)

It is formed by laminating a substantially rectangular laver sheet between two front and back resin films, and holds and holds rice balls with the resin film, and when the film is opened, the laver sheet is detached from between the resin films Onigiri packaging sheet to be affixed to rice balls,
The front resin film has an easily cut portion that divides the substantially rectangular central portion in the left and right directions, and the back resin film is divided into a left back resin film and a right back resin film in the vicinity corresponding to the easy cut portion. A sheet for packaging rice balls, which is divided into left and right portions, and opposite end portions of the left back resin film and the right back resin film are overlapped with each other via folded portions. 2. The rice ball packaging sheet according to claim 1, wherein a plurality of the folded portions are provided.

Images