JP2008087770A - Gavel top type liquid packaging paper container with spout for easy disassembly - Google Patents

Abstract

In a container made of a gable-top type liquid packaging paper with a spout stopper, the container can be disassembled more easily than before while maintaining the strength and durability of the original container.
A rectangular top plate with a spout stopper 2C31 is provided with a separating portion 2C34 for separating the spout spigot D, and is connected to the top of the rectangular top plate 2C31 and the rectangular top plate 4C31 so as to face each other. An easily peelable varnish for disassembling the container on the inner surface of the overlapping top seal plates 2C4 and 4C4 and the inner and outer surfaces of the folded top seal plates 1C4 and 3C4 connected to the upper part of the folded isosceles triangular top plates 1C32 and 3C32 Layer N is applied and formed, and the top seal portion C4 heat-sealed by the opposed overlapping top seal plate and the folded top seal plate is peeled off through the easy-peelable varnish layer at both side portions of the butted facing portion C41. Then, the top part C3 is pulled out to the outside and the top part C3 is opened in a square shape.
[Selection] Figure 2

Description

  The present invention relates to a sealed liquid packaging paper container (paper pack) in which a plastic liquid pouring spout is attached to the top part of a gobeltop type liquid packaging paper container. The present invention relates to a container made of a gobeltop type liquid packaging paper with a spout stopper that can be easily dismantled for paper dismantling.

  In general, as shown in FIG. 6 (a), the container C made of a gobeltop liquid packaging paper has a rectangular cylindrical body C1, a bottom C2 and a bottom C2. A top portion C3 comprising a pair of opposing rectangular top plates C31, C31 of a gobeltop type (double-sided inclined roof type) and a pair of opposed folded isosceles triangular top plates C32, C32 on the upper portion of the trunk C1; It is a container provided with.

  At the upper end of the top portion C3, there is provided a top seal portion C4 which is a vertical palm seal surface formed to seal the container. The top seal portion C4 is abutted and folded into the overlapping top seal plate that is connected to the top of the rectangular top plates C31 and C31 and faces the butting portion C41 of the facing inner surface of the overlapping top seal plate. Folded isosceles triangular top plates C32 and a folded top seal plate connected to the upper part of C32.

  After filling the container with the liquid content from the top portion C3 opened in the container C before hermetically sealing, the folded top seal plate on the top of the isosceles triangular top plate C32, C32 of the top portion C3 is a rectangular top plate C31. C31 is sandwiched between the opposing inner surfaces of the opposing overlapping top seal plates and heat-sealed by pressing the opposing inner surfaces of the overlapping top sealing plates together, as shown in FIG. 6 (a). A top seal portion C4 as a vertical palm seal surface is formed on the top portion of the top portion C3, and the container C is hermetically sealed.

  As shown in FIG. 6 (a), the above-mentioned container for liquid packaging paper C of the bell-belt type has a seal peel-opening type container in which the top of the container C3 is not provided with a spout for opening, and FIG. As shown in FIG. 6A, there is a stopper-opening container in which a plastic pouring stopper D is provided at the container top portion C3. The paper container C is formed by peeling and unsealing the seal of the top seal portion C4 to form an opening for pouring.

  In order to peel and open the top seal portion C4 of the seal peeling and opening type container C to form an opening, as shown in the top view of FIG. The top seal portion C4 heat-sealed with the plate is peeled off at one side from the butting portion C41 and opened in the direction of the arrow. Subsequently, as shown in the top view of FIG. The folded top seal plate is peeled from the top seal plate and pulled outward in the direction of the arrow, and the top seal portion C4 of the container C is opened as shown in FIG. Is formed.

  After use of the liquid packaging paper container C (paper pack) that has been emptied, the rectangular tube container is dismantled into a flat shape to reduce the volume of the container and facilitate handling in the recovery and recycling transportation process. It must be collected separately and recycled as paper resources. Therefore, it is important in the recovery and recycling process that the liquid packaging paper container is easily disassembled and improved while maintaining the strength and durability of the original container.

  Conventionally, when disassembling a container C made of a liquid wrapping paper of a seal peel-opening type that does not have a spout stopper at the top portion C3 as described above, the heat of the container C shown in FIG. The seal part of the seal part C4 is peeled off, the container top part C3 is opened in a square shape, and the three sides of the square bottom plate of the container bottom part C1 are opened with scissors or the like to open the container bottom part C1 in a square shape. After the container C was disassembled into a rectangular tube, the container body C1 could be flattened to reduce the bulk of the container, and the dismantling process was relatively easy.

  However, as shown in FIG. 7, when disassembling a container C made of a gobeltop type liquid packaging paper having a plastic spout stopper D in the container top portion C3, the heat seal portion C4 above the container top portion C3. The seal portion is not formed as a seal part that can be peeled and opened, but is formed as a strong heat seal part that does not require peel-opening and is difficult to peel off. Therefore, conventionally, the scissors are inserted into the container top part C3 from the stopper D part to trigger the dismantling, and the govel top type container equipped with the spout stopper D is a seal peel-opening type gable top liquid packaging. Its disassembly was difficult compared to paper containers.

Below, the well-known patent document relevant to this invention is described.
JP 2004-1798 A

  An object of the present invention is to provide a bevel top liquid packaging paper container provided with a plastic spout stopper at the container top portion, and to dismantle the container while maintaining the strength and durability of the original container. It is also possible to easily dismantle the container into a rectangular tube shape and a flat shape so as to reduce the volume of the container, thereby facilitating the handling of the container in the recovery / recycling / transport processing work. .

  The invention according to claim 1 of the present invention is a pair of a tubular body C1, a bottom C2 at the bottom of the body C1, and a spout D on one side facing the top of the body C1. Rectangular top plates C31, C31 and a top portion C3 with a gable top type spout cap comprising a pair of opposed folded isosceles triangular top plates C32, C32. A container is disposed at the upper end of the top portion C3. A top seal portion C4 which is a vertical joint seal surface formed to seal the top seal portion C4. The top seal portion C4 is connected to the top of the rectangular top plates C31 and C31 so as to face each other. And a folded top seal plate connected to the upper part of the folded isosceles triangular top plates C32 and C32 which are folded against the butted portion C41 of the opposing inner surface of the overlapping top seal plate C 3 After filling the container with the liquid contents, the isosceles triangular top plate C32 of the top portion C3 and the folded top seal plate on the top of C32 are opposed to the overlapping top seal plate on the top of the rectangular top plate C31 and C31. A top seal portion C4 is formed as a palm seal surface perpendicular to the top of the top portion C3 by being sandwiched between the inner surfaces and heat-sealing by pressing the inner surfaces of the overlapping top seal plates facing each other. Separation part for separating the spout plug D from the rectangular top plate C31 from the rectangular top plate C31 to which the spout plug D is attached to the top seal portion C4 in the container made of the gable top type liquid packaging paper with the outlet plug. C34 is provided, and the rectangular top plates C31, C31 are connected to the upper part of the top surface of the top seal plate so as to face each other, and the folded isosceles 3 An easily peelable varnish layer for container disassembly is applied and formed on the inner and outer surfaces of the folded top seal plate provided continuously on the top of the top plates C32 and C32, and heat is applied by the opposed top seal plate and the folded top seal plate. The sealed top seal portion C4 is peeled off at both side portions of the butting facing portion C41 via the easily peelable varnish layer, and then the folded top seal plates on both sides of the peeled top seal portion C4 are overlapped with the top. After pulling out from the sealing plate through the easy-peelable varnish layer and pulling it outward, the top portion C3 is opened in a square shape, and then the spout plug D is cut off from the rectangular top plate C31 at the separation portion C34. It is a container made of a gobeltop type liquid packaging paper with a spout stopper that can be easily disassembled.

  The invention according to claim 2 of the present invention is the container for a govel top type liquid packaging paper with spout stopper according to claim 1, wherein the easily peelable varnish layer for disassembling the container is the innermost part of the container C main body. The container is made of a gable-top type liquid packaging paper with a spout stopper that can be easily disassembled, which is applied and formed on the surface of the polyolefin-based adhesive resin layer laminated on the outermost surface.

  The invention according to claim 3 of the present invention is the above-described container for a liquid packaging paper with a spout stopper according to claim 1 or 2, wherein the easily peelable varnish layer for disassembling the container is solid or line-shaped. It is a container made of a gable-top type liquid packaging paper with a spout stopper that is easy to disassemble, characterized in that it is applied and formed in a pattern shape such as a ring shape or a dot shape.

  According to a fourth aspect of the present invention, there is provided a container for a gable top type liquid packaging paper with a spout stopper according to any one of the first to third aspects, wherein the container is attached to the rectangular top plate C31 of the top portion C3. Dismantling characterized in that the spout stopper D can be separated at the separation part C34 after the top part C3 is opened in a square shape or after the container C is formed into a rectangular cylindrical body. It is a container made of gobel top liquid packaging paper with an easy spout.

  The invention according to claim 5 of the present invention is the above-described rectangular cylinder-shaped body C1 in the container made of a gable-top type liquid wrapping paper with a spout stopper according to any one of claims 1 to 4, which is easy to disassemble. Of the four corners of the square tube body, the separation line m is provided along the right-angle folds at one to four corners, and the gable top with the spout stopper is easy to disassemble It is a container made of mold liquid packaging paper.

  According to the present invention, it is easy to disassemble the heat seal surface of the top seal portion C4 forming the top portion C3 of the gobbel type (both sides inclined roof type) of the container made of gobble top type liquid packaging paper with a spout stopper. A release varnish layer is applied and formed, and the top seal portion C4 is heat-sealed through the easily peelable varnish layer, and further, from the rectangular top plate C31 attached with the spout stopper D to the top seal portion C4, Since the separation portion C34 for separating the spout stopper D from the rectangular top plate C31 is provided, the sealing surface of the top seal portion C4 can be easily peeled off. For this reason, even in the case of a cap-opening-type goblet-top type liquid packaging paper container that has been difficult to disassemble, the top portion C3 with the cap is connected to the sealing surface of the top seal portion C4. It is possible to easily open a square shape by an easy peeling operation. After that, the spout plug D is separated from the rectangular top plate C31 of the top portion C3 with a cap that is opened in a square shape. The container C body and the plastic plug part D can be separated and collected easily.

  Further, according to the present invention, the separation line m is formed along the right-angle folds at one to four corners among the four corners of the rectangular cylinder body C1. By providing the top seal portion C4, the top portion C3 with cap is easily opened in a square shape by an easy peeling operation, and then the side plates 1 of the body portion C1 are opened from the opened top portion C3. 1 to 4 of the side plates 1, 2, 3, 4, along the separation line m provided along one to four corners of the four corners The container can be easily disassembled by completely cutting off the side plate or cutting it open in a state where a part is connected at the bottom portion C2 and the like, and folding it into a flat (flat) state.

  The container of the present invention with a spout stopper with a spout stopper will be described in detail below in accordance with an embodiment thereof. The container of the present invention is shown in the overall external perspective view of FIG. In this way, the body C1, the bottom C2, the top part C3 of a gobbel type (both sides inclined roof type), and the top seal part C4 are formed, and the top part C3 includes a pair of opposing rectangular shapes. It is formed from a shape top plate C31, C31 and a pair of opposed folded isosceles triangular top plates C32, C32.

  FIG. 1 is a plan view showing an example of a blank sheet used for assembling box making of the container of the present invention, and the body C1 is formed of rectangular side plates 1, 2, which are connected to each other through parallel folds. 3, 4, composed of a rectangular sticking plate 5, and the bottom portion C 2 is a folded isosceles triangular top plate 1 C 22, a folded triangular plate 1 C 23, 1 C 23, a rectangular shape, which is connected to the lower portion of the body portion C 1 via a fold. Bottom plate 2C21, folded isosceles triangular top plate 3C22, folded triangular plates 3C23, 3C23, rectangular bottom plate 4C21, rectangular sticking plate 5C2, and folded bottom triangular plate 1C23, bottom seal plate over rectangular bottom plate 2C21 and folded triangular plate 3C23 Consists of C21.

  The top portion C3 includes a folded isosceles triangular top plate 1C32, a folded triangular plate 1C23, 1C33, a rectangular bottom plate 2C31, a folded isosceles triangular top plate 3C32, which are connected to the upper portion of the body C1 through a fold. It consists of folded triangular plates 3C33, 3C33, a rectangular bottom plate 4C31, and a rectangular sticking plate 5C3. The top seal portion C4 is a folded top seal plate 1C4, 1C4, an overlapping top seal plate 2C4, folded over the top portion C3. It consists of a top seal plate 3C4, an overlapping top seal plate 3C4, 4C4, and an adhesive top seal plate 5C4. Also, an attachment hole 2C33 for attaching a plastic spout stopper D is provided in either the rectangular bottom plate 2C31 or the rectangular bottom plate 4C31 of the top portion C3.

  Further, as shown in FIG. 1, U for separating the spout stopper D from the rectangular top plate C31 from the outer periphery of the lower portion of the mounting hole 2C33 of the rectangular top plate 2C31 to which the spout stopper D is attached to the top seal portion C4. The character-shaped separation part C34 is provided. The cut-off portion C34 is a half-cut line cut at a predetermined depth halfway in the thickness direction of the blank sheet, such as a sewing line or a broken line.

  4 is formed by bending the rectangular side plates 1, 2, 3, 4, and the rectangular sticking plate 5 in FIG. 1 at right angles in the same direction through folds. This corresponds to a rectangular tube with the rectangular adhesive plate 5 attached to the outer end, and the pair of opposing rectangular top plates C31 and C31 in FIG. 4 are the rectangular bottom plates 2C31 in FIG. 4 and a pair of opposed folded isosceles triangular top plates C32 and C32 in FIG. 4 correspond to the isosceles triangular top plates 1C32 and 3C32, respectively, in FIG.

  Using the blank sheet shown in FIG. 1, the body plate C1 and the bottom portion C2 are folded along the folds and assembled and heat sealed, and the gobel top type liquid packaging with spout stopper of the present invention shown in FIG. Description of the method of boxing the body C1 and the bottom C2 of the paper container C has been publicly known. In addition, the constituent plates of the top portion C3 and the top seal portion C4 are folded along the folds and assembled and heat sealed, and the top portion C3 of the container C made of the gable top type liquid packaging paper with spout stopper of the present invention shown in FIG. Since the description of the method of box-making the top seal portion C4 has been given in [Background Art] in the present invention, the box-boxing method and order of the container C are not described here in detail.

  The container of the present invention, and the blank sheet for boxing the container, usually use paper as a base sheet, the base sheet layer, a liquid-resistant synthetic resin layer, and if necessary Thus, a sheet laminated with a barrier layer is used.

  On the blank sheet surface (outermost layer on the outer surface of the container) of the present invention, polyethylene, polypropylene, a polyolefin resin such as a blend resin mainly composed of polyethylene, or a blend resin with a polyethylene terephthalate resin mainly composed of polyethylene is melted by heat. An adhesive polyolefin resin layer is laminated and an appropriate printing layer (pattern ink layer) is formed on the front or back surface of the polyolefin resin layer. On the other hand, a hot melt adhesive polyolefin resin layer (sealant layer) such as polyethylene, polypropylene, and a blend resin mainly composed of polyethylene is laminated and formed on the back surface of the blank sheet (the innermost layer on the inner surface side of the container).

  The intermediate layer between the outermost layer and the innermost layer of the blank sheet of the container of the present invention includes an aluminum foil layer (gas barrier layer), an aluminum foil layer (gas barrier layer) / polyethylene terephthalate resin layer, and an aluminum vapor deposition layer as necessary. A gas barrier layer such as (gas barrier layer) / polyethylene terephthalate resin layer, an inorganic oxide vapor deposition layer (gas barrier layer) such as silicon oxide or magnesium oxide / polyethylene terephthalate resin layer is laminated.

  2 (a) and 2 (b) are plan views of the top portion C3 and the top seal portion C4 in the blank sheet of the container of the present invention, and the drawing surface side of FIGS. 2 (a) and 2 (b) is the blank sheet. The back side (container inner surface side) is shown, and the back side of the drawing shows the surface (container outer surface side) of the blank sheet.

  The container made of a goblet top type liquid packaging paper with a spout stopper according to the present invention has the folded top seal plates 1C4 and 1C4, the stacked top seal plate 2C4 and the folded top seal constituting the top seal portion C4 shown in FIG. Of the plates 3C4, 3C4, the stacked top seal plate 4C4, and the adhered top seal plate 5C4, the folded top seal plates 1C4, 1C4, 3C4, respectively, connected to the upper part of the folded isosceles triangular top plates 1C32, 3C32, respectively. An easily peelable varnish layer N for container disassembly is applied and formed on the surface of each 3C4 blank sheet (the surface of the seal plate, the back side of the drawing in FIG. 2A) from the hot melt adhesive polyolefin resin layer.

  In addition, the container of the present invention with a spout stopper with a spout stopper is made up of the folded top seal plates 1C4 and 1C4, the stacked top seal plates 2C4 and the folded tops constituting the top seal portion C4 shown in FIG. Of the sealing plates 3C4, 3C4, the top stacking plate 4C4, and the sticking top sealing plate 5C4, the folded top sealing plates 1C4, 1C4, 3C4 connected to the upper part of the folded isosceles triangular top plates 1C32, 3C32, respectively. 3C4 blank sheet back surface (back surface of the seal plate, the front surface side of FIG. 2B) and the top surface of the rectangular top plates 2C31, 4C31, respectively, and the overlapping top seal plates 2C4, 4C4 facing each other Easy removal of containers from the top of the hot-melt adhesive polyolefin resin layer on the back of each blank sheet (the back of the seal plate, the front side of the drawing in FIG. 2B) Release varnish layer N is formed by coating.

  As the varnish used in the easily peelable varnish layer N in the present invention, for example, acrylic resin-based varnish, urethane resin-based varnish, vinyl chloride-vinyl acetate copolymer-based varnish, etc. are suitable for food hygiene and container suitability. It is possible to select a varnish appropriately.

  The easily peelable varnish layer N may be applied and formed in a solid shape, or may be applied and formed in a line shape (stripe shape) or a pattern shape such as a dot shape as shown in FIG.

  3 (a) to 3 (c) show a top portion C3 of a blank sheet (see FIGS. 1 and 2) of a container (see FIG. 4) made of a gable-top type liquid packaging paper with a spout stopper according to the present invention that can be easily disassembled. It is a fragmentary top view explaining the various patterns of the separation part C34 (2C34) for cut | disconnecting the spout stopper D provided in a certain rectangular top board C31 (2C31) from this rectangular top board C31 (2C31).

  FIG. 3 (a) shows a cut-off portion C34 (2C34) as a broken line along the outer periphery of the bottom of the spout attachment hole 2C33 of the rectangular top plate C31 (2C31) in the top portion C3 up to the top seal portion C4. (B) is a cut-off line C2 (2C34) cut into half-cut diagonal lines. Yes, (c) is the cut portion C34 (2C34) continuously cut into half-shaped lines by half-cutting. The plastic spout plug D attached to the spout plug mounting hole 2C33 is cut off from the rectangular top plate C31 (2C31) of the paper container C of the present invention through the separation portion C34 (2C34). Collected separately.

  As a blank sheet for boxing the container of the present invention, as shown in FIG. 1, rectangular side plates 1, 2, 3, 4 and a rectangular sticking plate 5 constituting the body C1 are continuously provided. The top seal part C4 or the top part C3 to the bottom part C2 along the entire length of the fold along one or more of the four parallel folds a, b, c, d From the top seal part C4 or the top part C3 to the middle of the fold of the body part C1 (or bottom C2), a separation line m (perforation) for dismantling the container is cut as necessary. By opening only the top portion C1 in a square shape, the rectangular tube-shaped container C of the present invention can be disassembled flatly without opening the bottom portion C2, and the container C can be subdivided and disassembled. It has become. In this case, it is necessary that the cutting depth of the separation line m be such that the suitability of the container such as strength, durability, liquid retention performance, gas barrier performance of the paper container C main body for liquid packaging is not impaired. is there.

  As a method of cutting the separation part C34 (2C34) for separating the container and the separation line m into the blank sheet for boxing the container of the present invention, for example, a linear or rotary sewing blade cutter ( As a sheet to be cut using a broken line cutter), a paper base sheet on which a synthetic resin layer or a gas barrier layer for providing liquid retaining performance and gas barrier performance is not yet formed is used. Then, it is desirable that the blade edge is cut at a depth that does not penetrate the base sheet, and then a synthetic resin layer or a gas barrier layer is laminated on the base sheet. As a result, the suitability of the paper container C body of the present invention, such as strength, durability, liquid retention performance, gas barrier performance, etc., can be maintained.

  Using the above blank sheet shown in FIG. 1, the container C made of a gable top type liquid packaging paper with a spout stopper according to the present invention, in which the top seal portion C4 is assembled and boxed in an unsealed state (the external view of FIG. 4). Is filled with the liquid content from the top portion C3 where the top seal portion C4 is open. After filling, the top portion C3 is folded and closed, the top seal portion C4 is hermetically heat sealed, and the contents are sealed and packaged in the container C.

  As shown in FIG. 4, the container C of the present invention is provided with a rectangular tubular body C1, a bottom C2 at the bottom of the body C1, and a spout D on one side facing the top of the body C1. A pair of rectangular top plates C31 and C31, and a top portion C3 with a gable-top type spout cap comprising a pair of opposed folded isosceles triangular top plates C32 and C32.

  As shown in FIG. 4, a top seal portion C4, which is a vertical joint seal surface formed to seal the container, is provided at the upper end of the top portion C3, and the top seal portion C4 is formed of the rectangular top plate. C31 and C31 are arranged on top of the opposing top seal plates facing each other and on the top of the folded isosceles triangular top plates C32 and C32 that are folded and abutted against the abutting portion C41 of the opposing inner surface of the overlapped top seal plate. The folded top seal plate is formed in a rectangular shape after the top portion C3 is opened and the liquid content is filled into the container from the open top portion C3. The top plates C31 and C31 are sandwiched between the opposed inner surfaces of the opposed top seal plates and the inner surfaces of the opposed superimposed top seal plates are pressed against each other for heat sealing. As a result, a top seal portion C4 as a palm seal surface perpendicular to the top of the top portion C3 is formed and hermetically sealed.

  A container C made of a gable top type liquid packaging paper with a spout stopper according to the present invention that is easy to disassemble is connected to the upper part of the rectangular top plates C31 (2C31) and C31 (4C31) shown in FIG. 2 and FIG. Inner and outer surfaces of the folded top seal plates 1C4 and 3C4 provided on the inner surfaces of the stacked top seal plates 2C4 and 4C4 facing each other and the folded isosceles triangular top plates C32 (1C32) and C32 (3C32). In addition, an easily peelable varnish layer N for container disassembly is formed by coating.

  For this purpose, the top seal portion C4 shown in FIG. 4 (a) heat-sealed by the opposed top seal plates 2C4, 4C4 and the folded top seal plates 1C4, 3C4 shown in FIG. As shown in FIG. 4, it can be easily peeled through the easily peelable varnish layer N at both side portions of the butt facing portion C41 (see FIG. 4). Subsequently, as shown in FIG. 4 (c), the folded top seal plates 1C4 and 3C4 (see FIG. 2) on both sides of the top seal portion C4 peeled off on both side portions of the butt facing portion C41 are overlapped with top seals. It can be easily peeled off from the plates 2C4 and 4C4 through the easily peelable varnish layer N.

  In this way, by pulling out the folded top seal plates 1C4 and 3C4 on both sides of the top seal portion C4 through the easily peelable varnish layer N, the overlapped top seal plates 2C4 and 4C4 are separated. Thus, the top portion C3 can be easily opened in a square shape.

  After opening only the top part C3 in a square shape in this way, the spout stopper D attached to the rectangular top plate C31 (2C31) of the top part C3 is formed into a square-shaped top part with a stopper. It is cut off from the C3 rectangular top plate C31 through the separation part C34 and removed, and the container C main body and the plastic plug part D are separated and collected.

  In the container of the present invention, the separation line m is formed along right-angle folds at one to four corners among the four corners of the rectangular cylinder body C1. By providing the top seal portion C4, the top portion C3 with cap is easily opened in a square shape by an easy peeling operation, and then the side plates 1 of the body portion C1 are opened from the opened top portion C3. 1 to 4 of the side plates 1, 2, 3, 4, along the separation line m provided along one to four corners of the four corners An appropriate side plate is completely cut off or opened with a part thereof connected by the bottom portion C2 or the like, so that the container C is flattened without opening the bottom portion C1 in a square shape. Folded into pieces and dismantled. In the present invention, of course, after opening the top portion C3 in a square shape as described above, the bottom portion C1 is opened in a square shape by opening three sides of the square bottom plate, and the container C is parallelized. As a quadrangular quadrangular cylindrical body, it may be folded into a flat shape and disassembled.

The top view explaining an example of the blank sheet | seat for assembling and boxing the container made from the gable top type liquid packaging paper with a spout stopper of the present invention easy to disassemble. (A)-(b) is a partial top view explaining an example which apply | coated the easily peelable varnish layer to the top seal part of the blank sheet | seat of the container made from a gable top type liquid packaging paper with a spout stopper of the present invention easy to disassemble. (A)-(c) is the partial plane explaining the separation part for cutting off the spout stopper provided in the top part of the blank sheet of the container made from the gable top type liquid packaging paper with spout stopper of the present invention which is easy to disassemble Figure. (A) is a perspective view of the appearance of the peel-opening-type container for the liquid packaging paper of the present invention, (b) is a plan view showing a state where the top seal portions on both sides of the top portion of the paper container are peeled, (C) is a top view which shows the state which pulled out the top seal part of the both sides in the top part of the paper container, and opened the top part in square shape. The partial top view explaining an example of the easily peelable varnish layer apply | coated to a top seal part of the container made from the gable top type liquid packaging paper with a spout stopper of the present invention easy to disassemble. (A) is an external perspective view of a general peel-opening type container for liquid packaging paper, and (b) and (c) are for opening a general peel-opening type container for liquid packaging paper. The top view to demonstrate, (d) is an external appearance perspective view which shows the unsealed state of the container made from a general peeling-opening type | formula top type liquid packaging paper. The external appearance perspective view of the container made from a gable top type liquid packaging paper with a spout stopper of a general spout opening system.

Explanation of symbols

C ... Container body C1 ... Body part C2 ... Bottom part C3 ... Top part C4 ... Top seal part C41 ... Butting part C5 ... Opening part 2C33 ... Spout plug attachment hole 2C34 ... Spout part plug separation part 1, 2, 3, 4 ... side plate 5 ... sticking plate C31 ... rectangular top plate C32 ... isosceles triangular top plate D ... spout plug portion N ... easily peelable varnish layer m ... disconnection line

Claims (5)

A rectangular tubular body C1, a pair of rectangular top plates C31 and C31 having a bottom C2 at the bottom of the body C1 and a spout D on one side facing the top of the body C1; A top part C3 with a bevel top type spout cap comprising a pair of folded isosceles triangular top plates C32 and C32, and a vertical joint formed at the upper end of the top part C3 for sealing the container. A top seal portion C4 which is a sealing surface is provided, and the top seal portion C4 is provided on the rectangular top plates C31 and C31 so as to be opposed to each other, and an opposing top seal plate. The folded isosceles triangular top plates C32 and C32, which are folded into the butted portion C41 on the inner surface, and a folded top seal plate connected to the upper part of the C32, are filled with liquid contents from the opening top portion C3. After that, the folded top seal plate above the isosceles triangular top plates C32 and C32 of the top portion C3 is sandwiched between the opposed inner surfaces of the opposed top seal plates on the rectangular top plates C31 and C31, and the opposed overlapped tops. The seal plate is pressed against each other and heat sealed to form a top seal portion C4 as a palm seal surface perpendicular to the top of the top portion C3 to be hermetically sealed. In the container, a separation portion C34 for separating the spout stopper D from the rectangular top plate C31 is provided from the rectangular top plate C31 to which the spout stopper D is attached to the top seal portion C4, and the rectangular top plate C31 and C31 connected to the upper surface of the opposing top seal plate and the folded isosceles triangular top plates C32 and C32 An easily peelable varnish layer for container disassembly is applied and formed on the inner and outer surfaces of the folded top seal plate, and the top seal portion C4 heat-sealed by the opposed top seal plate and the folded top seal plate is butted The peelable varnish layer is peeled off at both side portions of the facing portion C41, and then the folded top seal plates on both sides of the peeled top seal portion C4 are overlapped to form the peelable varnish layer from the top seal plate. Easy to disassemble, characterized in that the spout plug D can be separated from the rectangular top plate C31 at the cut-off portion C34 after the top portion C3 is pulled out to the outside while being peeled off. Gavel-top type liquid packaging paper container with a spout tap.   The easily peelable varnish layer for disassembling the container is formed by coating on the surface of the polyolefin adhesive resin layer formed on the innermost and outermost surfaces of the container C main body. Easy-to-disassemble container made of gobeltop liquid packaging paper with spout stopper.   The easily peelable spout plug according to claim 1 or 2, wherein the easily peelable varnish layer for disassembling the container is applied and formed in a pattern shape such as a solid shape, a line shape, or a dot shape. A container made of gobeltop liquid packaging paper.   After the spout stopper D attached to the rectangular top plate C31 of the top portion C3 opens the top portion C3 in a square shape or after the container C is formed into a rectangular cylindrical body, the separation portion C34. 4. A container made of a gable top type liquid packaging paper with a spout stopper that can be easily disassembled according to any one of claims 1 to 3, wherein the container is separable from the container.   A separation line m is provided along right-angle folds at one to four corner corners among the four corners of the rectangular cylinder body C1. The container made from the gable top type liquid packaging paper with a spout stopper easy to disassemble of any one of Claims 1 thru | or 4.

Images