JP4629366B2 - Web corner paper container - Google Patents

Description

  The present invention relates to a web corner type paper container having a liquid leakage prevention function corresponding to recycling.

  Conventionally, paper containers such as freshly fried chicken, cooked foods with sauce, gravy, sauces, frozen foods, etc. have four corners so as to prevent leakage of oil, seasonings, gravy, etc. from the four corners. Web corner type paper containers with corners folded outward are used. In this web corner type paper container, the web corner portion with the four corners folded outward is bonded and fixed to the outer surface of the side plate of the paper container.

  For foods with seasonings and oils, foods that are boiled, or frozen foods that have been cooked in a microwave oven, it is generally a web corner made of a laminate consisting of a paper and an antifouling film such as polyethylene coated on the inner surface. A pattern paper container is used, and the antifouling film prevents the contents from adhering to the paper surface or the contents from being contaminated by the material adhering to the paper surface.

  In recent years, environmental problems have become a major problem, and awareness of protecting the natural environment is increasing. In particular, the problem of waste disposal is large, and there is a demand for resource saving by using as few materials as possible and measures such as recycling, which is the reuse of resources. Against this background, it is desired to separate materials as much as possible, such as paper and plastic, when discarding containers used for packaging.

In response to this environmental problem, when separating the web corner paper container into paper and anti-smudge film at the time of disposal, the anti-smudge film is placed on the inner surface of the paper web corner paper container. The form which used the laminated body bonded so that peeling was possible was proposed. However, even in such a web corner type paper container, consumers often discard the antifouling film without tearing it off after eating the food. There has also been proposed a web corner type paper container having a shape in which the antifouling film is partially bonded to the inner surface of the paper so that the consumer can peel off the peelable antifouling film (for example, Patent Document 1). reference.).
JP 2001-328622 A

  However, in the above-mentioned web corner type paper container, the process of attaching the antifouling film to the inner surface of the paper while partially registering the necessary areas tends to be extremely difficult and costly. Therefore, it is preferable to apply a method of completely bonding to the inner surface of the paper at the raw material stage. However, in this case, the adhered antifouling film is difficult to peel off, and in particular, an antifouling film that can be peeled off after use is used. Since the peeling method has not been determined, it is difficult to understand the trigger for starting the peeling, and depending on the method of peeling, the anti-smudge film is often broken due to tearing of the anti-smudge film. Even if the film is to be peeled off successfully, particularly when the antifouling film is strongly adhered, it often fails to peel off. Furthermore, even if the antifouling film is weakly bonded, it is difficult to peel off if the area of the bonded portion is large, and if the film is forcibly peeled off without causing the peeling, it often fails due to paper mess.

  The present invention is a web corner type paper container having an antifouling film bonded to the inner surface in a peelable manner, so that anyone can easily and reliably use an antifouling film in an assembled state after use. An object of the present invention is to provide a web corner type paper container that can be peeled off.

The present invention made in order to solve the above problems is made of a laminate in which a peelable antifouling film is bonded to the entire surface of paperboard, and each side plate is attached to each side of a polygonal bottom plate via a broken line. Web corners that are connected to each other on both sides of the side plate via folding lines, and the adjacent folding pieces are connected to each other via radial folding lines that extend radially outward from the corners of the bottom plate. A web corner type paper container formed by folding the web corner portion to the outside of the side plate and adhering to the outer surface, and fixing the web corner portion to the side plate other than the side plate adhering to the outer surface. A web corner type paper container provided with a peeling start means for starting to peel off the stuck antifouling film, wherein the peeling start means The upper edge of the side plate is provided with a knob formed by forming a cut line in a layer other than the antifouling film, and a cut line is formed in a layer other than the antifouling film above the side plate. A portion for providing the formed pushing portion, providing a protruding knob on the upper side of the side plate, providing a notch in a layer other than the anti-stain film on the upper side of the side plate, and holding the anti-stain film. A film knob is provided by partially exposing the film, a cut is provided in a layer other than the antifouling film at the upper part of the side plate, and a part for exfoliating the antifouling film is partially exposed. The pressing portion is provided, and a peeling tape for peeling the antifouling film is attached to the upper inner surface of the side plate.

In addition, the laminate is a laminate of a paperboard with a peelable antifouling film laminated on the entire surface, and each side plate is connected to each side of the polygonal bottom plate via a broken line, and each side plate of each side plate is connected to each side. Folding pieces are continuously provided via a broken line, and the adjacent folding pieces are connected to each other via a radial broken line extending radially outward from a corner of the bottom plate, and the web corner portion is formed as described above. It is a web corner type paper container that is folded outside the side plate and bonded to the outer surface and fixed, and an extension piece is continuously connected to the side plate other than the side plate with the web corner portion bonded to the outer surface. A web corner type paper container provided with a peeling start means for starting to peel off the bonded antifouling film, wherein the peeling start means is the side Provided with a knob formed by forming a cut line in a layer other than the anti-smudge film on the upper edge of the sheet, and a push formed by forming a cut line in a layer other than the anti-smudge film on the side plate Provided with a part, provided that the peeling start means provided a projecting knob on the upper side of the side plate, provided a notch in a layer other than the anti-smudge film on the side plate, and provided the anti-smudge film. A part for pinching was exposed to provide a film picking part, a cutout was provided in a layer other than the antifouling film at the top of the side plate, and a part for exfoliating the antifouling film was partially exposed The film pressing portion is provided, and a peeling tape for peeling the antifouling film is attached to the upper inner surface of the side plate. .

  Furthermore, the web corner type paper container is characterized in that oblique fold lines are provided from the upper side of the side plate with the web corner portion bonded to the outer surface to both ends of the lower side.

  According to the present invention, in the web corner type paper container in which the antifouling film is detachably bonded to the inner surface, the peeling start means for starting to peel the antifouling film bonded to the inner surface on the upper edge of the side plate By providing this, the consumer can easily start removing the antifouling film from the peeling starting means provided on the side plate after using the web corner paper container of the present invention.

Also, a peeling start means for starting to peel off the antifouling film bonded to the inner surface is provided at the substantially central portion of the upper edge of the side plate that is not fixed by folding the web corner portion to the outer surface. Thus, after using the web corner type paper container of the present invention, the consumer peels off the antifouling film from the peeling start means provided on the side plate which is not fixed by folding the web corner portion to the outside and bonding it to the outer surface. By this, it has the effect that anyone can peel off the film | membrane for dirt prevention easily and reliably in the assembled state.
Moreover, it has the effect that it can peel easily, without being influenced by the adhesive strength and adhesion area of the film for dirt prevention.

  Furthermore, after using the web corner paper container of the present invention, two diagonal fold lines extending from the upper side to both ends of the lower side are provided on a pair of opposing side plates that are folded to the outside and bonded to the outer surface. When peeling off the antifouling film from the part of the peeling start means, the antifouling film can be peeled off from the web corner paper container more easily by folding the side plate so that the side plate swells outward at this diagonal fold line. It is what you have.

  Hereinafter, an embodiment of a web corner type paper container of the present invention is described in detail based on a drawing. FIG. 1 is a perspective view showing an embodiment of the web corner type paper container of the present invention, FIG. 2 is a partially enlarged view for explaining a method of processing the web corner type paper container of the present invention after use, and FIG. FIG. 4 is a development view showing a blank of an embodiment of the web corner paper container of the invention, FIG. 4 is a perspective view showing another embodiment of the web corner paper container of the present invention, and FIG. 5 is a web corner paper of the present invention. FIG. 6 is a perspective view showing still another embodiment of the container, FIG. 6 is a developed view showing a blank of yet another embodiment of the web corner paper container of the present invention, and FIG. 7 is a view of the web corner paper container of the present invention. FIG. 8 is a perspective view showing still another embodiment, FIG. 8 is a developed view showing a blank of still another embodiment of the web corner type paper container of the present invention, and FIG. 9 is a webco of the present invention. FIG. 10 is a perspective view showing still another embodiment of the web-type paper container, FIG. 10 is a perspective view showing still another embodiment of the web-corner type paper container of the present invention, and FIG. 11 is a perspective view of the web-corner type paper container of the present invention. FIG. 12 is a perspective view showing still another embodiment, FIG. 12 is a developed view showing a blank of the web corner type paper container of the present invention in FIG. 11, and FIG. 13 is still another embodiment of the web corner type paper container of the present invention. 14 is a developed view showing a blank of the web corner paper container of the present invention of FIG. 13, and FIG. 15 is a perspective view showing still another embodiment of the web corner paper container of the present invention. FIG. 16 is a partially enlarged view for explaining the assembly process of the web corner type paper container of the present invention.

  FIG. 1 is a perspective view showing an embodiment of a web corner type paper container according to the present invention. The web corner paper container A according to the present invention has an antifouling film peelably bonded to the inner surface, and as shown in FIG. 1, the appearance shape is generally the same as that of a normal web corner paper container. Side plates 12, 12 stand up from a pair of opposite sides of the bottom plate 11, and side plates 13, 13 stand up from another pair of opposite sides, and a cover plate is placed on the upper side of one side plate 12 of the pair of opposite side plates 12, 12. 16 and the insertion piece 17 are provided in series, and extension pieces 18 and 18 are provided on the other pair of opposing side plates 13 and 13, respectively. Adjacent side plates are connected to each other by a web corner portion W, the web corner portion W is folded outward and bent to the opposite pair of side plates 13 and 13 and bonded to the outer surface of the side plates 13 and 13 and fixed. Yes.

  Further, in the web corner type paper container A according to the present invention, a substantially central portion of the upper edge of one side plate 12 of a pair of opposing side plates 12 and 12 which are not fixed by folding the web corner portion W outward and bonding to the outer surface. The peeling start means P for starting to peel off the antifouling film bonded to the inner surface is provided. This peeling start means P is a knob part P1 formed in a semicircular shape with a cut line p formed by a perforation in a layer other than the antifouling film. By providing this knob part P1, the consumer can After using the web corner type paper container A, it is possible to easily start removing the antifouling film from the knob P1. Further, by removing the antifouling film from the knob P1 provided at the substantially central portion of the upper edge of one side plate 12 that is not fixed by folding the web corner portion W outward and bonding to the outer surface, However, the antifouling film can be easily and reliably peeled off.

  The reason why the anti-smudge film can be easily and reliably peeled off by peeling off the anti-smudge film from one side plate 12 that is not fixed by folding the web corner part W on the outer surface. If the antifouling film F starts to be peeled off from the upper edge of the side plate 13 that is folded and bonded to the outer surface by folding the web corner W outward, as shown in FIG. When the antifouling film F starts to be peeled off from the upper edge of one side plate 12 as compared with the fact that the antifouling film F is often cut off as shown in FIG. When the inner surface of the web corner portion W is peeled off, the resisting force at the corner portion K is small, and the antifouling film F can be peeled off without breaking.

  FIG. 3A is a development view showing a blank of the web corner type paper container of the present invention. The blank 10A is provided with side plates 12 and 12 on the upper and lower sides of the rectangular bottom plate 11 via fold lines a and a, and on the left and right sides of the pair of opposite sides, the side plates 13 and fold lines b and b. 13 is provided. Triangular folding pieces 14, 14, 14, 14 are connected to both sides of the side plates 12, 12 via radial folding lines c, c, c, c, respectively, and radial folding lines d are arranged on both sides of the side plates 13, 13. , D, d, and d, triangular folding pieces 15, 15, 15, and 15 are connected in series, adjacent folding pieces are connected by a radial broken line e, and a web portion is connected to the folding pieces. The corner portion W is used. Further, a cover plate 16 is connected to one of the pair of side plates 12, 12 on the upper side of the side plate 12 via a broken line f, and an insertion piece 17 is connected to the upper side of the cover plate 16 via a broken line g. The extension pieces 18 and 18 are connected to the outer sides of the other pair of side plates 13 and 13 that are connected to each other via the polygonal lines h and h, respectively. The extension pieces 18 and 18 are not necessarily provided, but are preferably provided in order to improve shape retention.

  Further, in the web corner type paper container A according to the present invention, the anti-smudge is bonded to the inner surface at the substantially central portion of the upper edge of the one side plate 12 that is not fixed by folding the web corner portion W to the outer surface and bonding it to the outer surface. A knob P1 is provided as a peeling start means P for starting to peel off the film. As shown in the partial cross-sectional view of FIG. 3B, the knob P1 is formed by forming a cut line p by a perforation in a semicircular shape in a layer other than the antifouling film F. By providing this knob part P1, it is possible to easily peel off the dirt prevention film F by breaking the layers other than the dirt prevention film F of the knob part P1 at the cut line p. The cut line p can be put in a layer other than the antifouling film F with a cutting blade or the like in addition to the perforation.

  FIG. 4 is a perspective view showing another embodiment of the web corner type paper container according to the present invention. The web corner type paper container A ′ according to the present invention can be assembled from the same blank 10 as the web corner type paper container A, and an antifouling film is detachably bonded to the inner surface of the pair of rectangular bottom plates 11. The side plates 12 and 12 stand up from the opposite side, and the side plates 13 and 13 stand up from the other pair of opposite sides, and the cover plate 16 and the insertion piece 17 are placed on the upper side of one side plate 12 of the pair of opposite side plates 12 and 12. Extension pieces 18 and 18 are provided on the other pair of side plates 13 and 13 that are connected in series. Adjacent side plates are connected to each other at a web corner portion W, and the web corner portion W is folded outward and bonded to the outer surface of the side plate 12 and the outer surfaces of the side plates 13 and 13 where the lid plate 16 is connected. is doing.

  Further, in the web corner type paper container A ′ according to the present invention, the anti-smudge is bonded to the inner surface at the substantially central portion of the upper edge of the side plate 12 which is not fixed by folding the web corner portion W outward and bonding to the outer surface. A knob portion P1 is provided as a peeling start means P for starting to peel off the film. By providing this knob P1, the consumer uses the web corner paper container A 'of the present invention, and then folds the web corner W outward and sticks it to the outer surface to fix the knob on the side plate 12. By peeling off the anti-smudge film from P1, anyone can easily and reliably peel off the anti-smudge film. In the form of the web corner type paper container A ′, the web corner portion W is folded outward and starts to peel off the antifouling film from the side plate 12 which is not fixed by being bonded to the outer surface, and the web corner portion W adjacent to the side plate 12 is started. The anti-smudge film can be easily peeled off, and the anti-smudge film can be more easily peeled off even at the web corner W bonded to the outer surface of the side plate 12 to which the cover plate 16 is connected. it can.

  FIG. 5-a is a perspective view showing another embodiment of the web corner type paper container according to the present invention. The web corner type paper container B according to the present invention has the same shape as the web corner type paper container A, and, as shown in FIG. 5, the web corner part W is folded outward and bonded to the outer surface and not fixed. The peeling start means P for starting to peel off the antifouling film bonded to the inner surface is provided at a substantially central portion of the upper edge of one side plate 12 of the pair of side plates 12. Unlike the web corner type paper container A, the peeling start means P is provided with a notch in a layer other than the antifouling film F as shown in the partial sectional view of FIG. The knob P2 is partially exposed. The shape of this notch is not limited to a semicircle, and may be a semi-oval, a triangle, a quadrangle, or the like. By providing this knob P2, the consumer can start peeling off the antifouling film from the knob P2 after using the web corner paper container B of the present invention, as with the web corner paper container A. Anyone can easily and reliably remove the assembled state.

  FIG. 6 is a perspective view showing still another embodiment of the web corner type paper container according to the present invention. The web corner type paper container C according to the present invention begins to peel off the antifouling film bonded to the inner surface at the substantially central portion of the upper side of the side plate 12 that is not fixed by folding the web corner portion W to the outer surface and bonding to the outer surface. As a peeling start means P, a protruding knob P3 is provided. The protruding knob P3 has a substantially semicircular shape, a triangular shape, a rectangular shape, or the like so that it can be easily picked with a finger. Further, the boundary line between the protruding knob P3 and the side plate 12 has a perforation line p formed in a layer other than the antifouling film F. The cut line p can be put in a layer other than the antifouling film F with a cutting blade or the like in addition to the perforation. Moreover, this protrusion knob | pick part P3 is good also as only a film for dirt prevention. By providing this protruding knob portion P3, the consumer uses the web corner paper container C of the present invention, and then the protruding portion of the side plate 12 that is not fixed by folding the web corner portion W outward and bonding it to the outer surface. Anyone can easily and reliably peel off the antifouling film by peeling off the antifouling film from the part P3.

  FIG. 7 is a perspective view showing still another embodiment of the web corner type paper container according to the present invention. The web corner type paper container D according to the present invention starts to peel off the antifouling film bonded to the inner surface of the substantially central portion of the upper side plate 12 that is not fixed by folding the web corner portion W outward and bonding to the outer surface. For this purpose, a push-in part P4 is provided as the peeling start means P. The push-in portion P4 has a circular shape, an oval shape, a triangular shape, a quadrangular shape, a U shape, a V shape, a mountain shape, or the like, and is formed by forming a cut line p by a perforation in a layer other than the antifouling film F. The This cut line p can be put in a layer other than the antifouling film F with a cutting blade or the like in addition to the perforation. By providing this push-in part P4, after using the web corner paper container D of the present invention, the consumer pushes this push-in part P4 with a finger to create a chance to peel off the antifouling film, and then tackles the peeled part. By removing the antifouling film from the side plate 12 that is not fixed by folding the web corner W outward and sticking to the outer surface, anyone can peel off the antifouling film easily and reliably. it can.

  FIG. 8 is a perspective view showing still another embodiment of the web corner type paper container according to the present invention. The web corner type paper container E according to the present invention begins to peel off the antifouling film bonded to the inner surface at the substantially central portion of the upper portion of the side plate 12 that is not fixed by folding the web corner portion W outward and bonding to the outer surface. For this purpose, a film pushing portion P5 is provided as the peeling start means P. This film push-in part P5 has a window-like cut in a layer other than the anti-smudge film, and a part of the window-like part is exposed in order to peel off the anti-smudge film. The shape of the cut is not limited to a circle, and may be an oval, a triangle, a quadrangle, or the like. By providing this film push-in part P5, after using the web corner paper container E of the present invention, the consumer pushes this film push-in part P5 with a finger to create a chance to peel off the antifouling film, and the peeled part is removed. As a handle, everyone can easily and reliably peel off the antifouling film by folding the web corner W outward and peeling off the antifouling film from the unfixed side plate 12. be able to.

  FIG. 9 is a perspective view showing still another embodiment of the web corner type paper container according to the present invention. The web corner type paper container F according to the present invention starts to peel off the antifouling film bonded to the inner surface of the substantially central portion of the upper portion of the side plate 12 that is not fixed by folding the web corner portion W outward and bonding it to the outer surface. As a peeling start means P, a peeling start tape P6 is affixed. A part of the peeling start tape P6 is bonded to the antifouling film on the inner surface of the side plate 12, and the remaining part is gripped with a finger. By providing the peeling start tape P6, after the consumer uses the web corner type paper container F of the present invention, the web corner portion W is folded outward and bonded to the outer surface to peel off the side plate 12 that is not fixed. By peeling off the antifouling film from the starting tape P6, anyone can easily and reliably peel off the antifouling film.

  FIG. 10 is a perspective view showing still another embodiment of the web corner type paper container according to the present invention. In addition to the shape of the web corner paper containers A to F described above, the web corner paper container G according to the present invention is extended to the side plates 13 and 13 that are not fixed by folding the web corner portion W to the outside and bonding them to the outer surface. 18 and 18 are provided. And the peeling start means P is provided in the upper side or upper part of the extension piece 18, respectively. As the peeling start means P, in addition to the perforated knob P1 shown in FIG. 10, the knob P2, the protruding knob P3, the push-in part P4, the film push-in as used in the web corner paper containers B to F described above. The part P5, the peeling start tape P6, and the like can be used.

  FIG. 11A is a perspective view showing still another embodiment of the web corner type paper container according to the present invention. In the web corner type paper container H according to the present invention, as shown in FIG. In addition to the peeling start means P for starting to peel off, two diagonal broken lines x extending from the upper side to both ends of the lower side are formed on the side plates 13 and 13 in which the web corner portion W is folded outward and bonded to the outer surface. , X are provided. After the web corner paper container H is used, when the antifouling film is peeled off from the peeling start means P, the antifouling film F is peeled off from the side plate 12 as shown in FIGS. Pull the inner edge of the web corner W. For this reason, the part where the web corner part W of the side plate 13 is affixed to the inner side, the gap between the web corner parts W is further widened, and the antifouling film F is easily peeled off. At that time, by providing diagonal fold lines x and x on the side plate 13 to which the web corner portion W is affixed, the portion of the side plate 13 to which the web corner portion W is affixed becomes easier to bend in the inner direction, and the web is smoothly smoothed. The antifouling film F attached to the inside of the corner portion W can be peeled off. Therefore, the antifouling film F can be peeled off from the web corner type paper container H more easily.

  The diagonal broken lines x and x are provided so as to extend from the upper side to the lower side of the side plates 13 and 13, and are folding lines of the web corner portion W bonded to the outer surface of the side plate 13 as in this example. Providing at the position of the side plate 13 along the edge line w is preferable because the portion of the web corner portion W is easily bent, and the antifouling film on the web corner portion W is easily peeled off. Moreover, as shown to FIG. 11-b, you may provide from the approximate center part of a side plate to the both ends of a lower side, and in this case, there is little reduction in the intensity | strength of a web corner type | mold paper container. Furthermore, as shown to FIG. 11-c, you may provide in the position of the side board 13 hidden in the bonded web corner part W, and in this case, it becomes inconspicuous in appearance.

  FIG. 12 is a development view showing a blank of the web corner type paper container H of the present invention. The blank 10H is provided with side plates 12 and 12 via fold lines a and a on a pair of opposite sides above and below a rectangular bottom plate 11, and side plates 13 and 12 are arranged on a pair of opposite sides on the left and right via fold lines b and b. 13 is provided. Triangular folding pieces 14, 14, 14, 14 are connected to both sides of the side plates 12, 12 via radial folding lines c, c, c, c, respectively, and radial folding lines d are arranged on both sides of the side plates 13, 13. , D, d, and d, triangular folding pieces 15, 15, 15, and 15 are connected in series, adjacent folding pieces are connected by a radial broken line e, and a web portion is connected to the folding pieces. The corner portion W is used. Further, a lid plate 16 is connected to the upper side of one side plate 12 of the pair of opposing side plates 12 and 12 via a broken line f, and an insertion piece 17 is connected to the upper side of the lid plate 16 via a broken line g. Has been established.

  Further, in the web corner type paper container H according to the present invention, the peeling start for starting to peel off the antifouling film bonded to the inner surface of the upper edge of one side plate 12 of the pair of opposing side plates 12, 12. On the side plates 13 and 13 in which the web corner portion W is folded outward and bonded to the outer surface on the means P, two oblique broken lines x and x extending from a substantially central point of the upper side to both ends of the lower side are provided. Are provided. Further, extension pieces 18 and 18 are connected to the outer sides of the other pair of opposing side plates 13 and 13 via broken lines h and h, respectively. In the case of this form, it is preferable to provide extension pieces 18 and 18 on the upper sides of the side plates 13 and 13 provided with the oblique broken lines x and x in order to improve shape retention when assembled.

  In the above embodiment, the web corner portion W is folded outside the side plates 13 and bonded to the outer surface. However, like the web corner paper container I shown in FIG. In this case, the side plates 13 and 13 are provided with peeling start means P and P, and the oblique folding lines x and x are provided on the side plates 12 and 12. FIG. 14 is a development view showing a blank of the web corner type paper container I. FIG.

  Further, the web corner type paper container according to the present invention is not limited to the description of the above embodiment, and can be variously modified without departing from the gist of the present invention. For example, the side plate 12, 12, 13, 13 is a trapezoidal web corner paper container having a trapezoidal shape with a wide upper side, but it can also be a rectangular parallelepiped web corner paper container (not shown) with all side plates rectangular. Good.

  Moreover, the shape without the cover board 16 may be sufficient like the web corner type | mold paper container J shown in FIG.

The material of the web corner type paper container according to the present invention uses a laminate in which a film for preventing soiling is bonded to the inner surface of a paperboard as a base material. The range of the paperboard is wide, and coat balls, manila balls, milk carton base paper, cup base paper, cardboard and the like can be used. Although the basis weight varies depending on the size of the paper container, a range of 150 to 450 g / m ² is preferable.

  In addition, as a film for preventing dirt, a polyethylene film, a polypropylene film, a polyester film, a polyamide film, etc. can be used, and a biodegradable plastic film (polylactic acid, polyhydroxybutyrate, polylactocapton, polybutylene). Succinate, polyethylene succinate, polyvinyl alcohol, cellulose acetate and the like) can also be used. In selecting a film, it is preferable to use a film that conforms to the publicly known Ministry of Health and Welfare Notification No. 20.

The adhesion of the antifouling film is a method of extrusion lamination using a polyethylene resin and the like.

  In addition, as with a general paper container, printing is performed on the surface of the web corner mold A of the present invention, but any known method such as offset, gravure, flexographic printing, etc. can be used. Furthermore, post-processing such as overcoat, polishing, embossing, etc. can be performed freely. However, it is preferable to remove the overcoat layer or the like from the portion where the web corner portion W is bonded.

  Next, a process for producing the web corner type paper container A of the present invention will be described. This process is substantially the same as the process of forming a general web corner type paper container. First, printing, surface processing, etc. are performed on the surface of the laminated body in which the paper and the antifouling film are bonded, or on the front and back surfaces. . In this step, a peeling start means P for starting to peel off the antifouling film bonded to the inner surface is provided at a substantially central portion of the upper edge of one side plate 12 of the pair of side plates 12 and 12 facing each other. Next, in the punching process, the blank 10A as shown in FIG. 3 is punched, and in this process, the dirt adhered to the inner surface of the upper edge of one side plate 12 of the pair of side plates 12, 12 facing each other. As the peeling start means P for starting to peel off the prevention film, a knob portion P1 with a perforation p can be provided only in a layer portion other than the antifouling film. Further, in this step, the side plates 13 and 13 can be provided with two oblique broken lines x and x extending from the approximate center point of the upper side to both ends of the lower side.

  Further, in the web corner type paper container B, a method of providing a knob P2 by notching in a layer portion other than the antifouling film as a peeling start means P for starting to peel off the antifouling film is obtained by laminating the antifouling film. Before making a laminate, cut off portions in layers other than the antifouling film, and then laminate the antifouling film to produce a laminate that is used as a material. Similarly to the corner type paper container A, a blank is produced by a printing and punching process.

  Next, as shown in FIG. 16-a, each web corner portion W is folded outward along a radial fold line e, and as shown in FIG. 16-b, the web corner portion W is folded toward the side plate 13, As shown in FIG. 16C, the folding piece 15 is bonded to the outer surface of the side plate 13. This bonding can be performed using, for example, a known adhesive such as an emulsion-type adhesive or a hot-melt-type adhesive. Thus, each web corner part W is bonded and fixed to the outer surface of the side plates 13 and 13, and the web corner type paper container A is formed. Also, the web corner paper containers A ′, C, D, E, F, G, H, I, and J can be manufactured in substantially the same manner.

  After using the web corner type paper container according to the present invention thus prepared, the anti-smudge film is reused as a resource by separating the anti-smudge film attached to the inner surface and separating it into paper and anti-smudge film. The method of peeling a film begins to peel from the part in which the knob | pick part 1 provided as the peeling start means P of the side plate 12 was provided first. Next, after peeling off the part of the side plate 12, the part of the web corner W is peeled off continuously. At this time, the web corner W can be easily peeled off by peeling from the side plate 12 side. Next, the side plates 13 and 13 are peeled off. Furthermore, the bottom plate 11 and the remaining side plate 12 can be peeled off, and finally the whole can be peeled off.

It is a perspective view which shows one Embodiment of the web corner type | mold paper container of this invention. It is the elements on larger scale explaining the method of processing after use the web corner type paper container of the present invention. It is an expanded view which shows the blank of the web corner type | mold paper container of this invention of FIG. It is a perspective view which shows another embodiment of the web corner type | mold paper container of this invention. It is a perspective view which shows another embodiment of the web corner type | mold paper container of this invention. It is a perspective view which shows another embodiment of the web corner type | mold paper container of this invention. It is a perspective view which shows another embodiment of the web corner type | mold paper container of this invention. It is a perspective view which shows another embodiment of the web corner type | mold paper container of this invention. It is a perspective view which shows another embodiment of the web corner type | mold paper container of this invention. It is a perspective view which shows another embodiment of the web corner type | mold paper container of this invention. It is a perspective view which shows another embodiment of the web corner type | mold paper container of this invention. It is an expanded view which shows the blank of the web corner type | mold paper container of this invention of FIG. It is a perspective view which shows another embodiment of the web corner type | mold paper container of this invention. It is an expanded view which shows the blank of the web corner type | mold paper container of this invention of FIG. It is a perspective view which shows another embodiment of the web corner type | mold paper container of this invention. It is the elements on larger scale explaining the assembly process of the web corner type | mold paper container of this invention.

Explanation of symbols

A to J Web Corner Paper Container 10A Blank (Web Corner Paper Container A)
10H Blank (Web corner paper container H)
10J Blank (Web corner paper container J)
11 Bottom plate 12 Side plate (up and down)
13 Side plates (left and right)
14 Folding piece 15 Folding piece 16 Cover plate 17 Insertion piece 18 Extension piece 19 Extension piece a, b Folding line c to e Radial folding line f to i Folding line F Dirt prevention film x Diagonal folding line W Web corner part w Edge line (Web corner part)
P peeling start means P1 knob part P2 knob part P3 protruding knob part P4 pushing part P5 film pushing part P6 peeling start tape K corner part

Claims (10)

Using a laminated body in which an antifouling film that can be peeled on the entire surface by extrusion lamination using polyethylene resin is used as a material, a side plate is connected to each side of a polygonal bottom plate via a broken line, Folding pieces are continuously provided on both sides of the side plate via folding lines, and the adjacent folding pieces are connected to each other via radial folding lines that extend radially outward from the corners of the bottom plate, A web corner type paper container formed by folding the web corner portion to the outside of the side plate and bonding the web corner portion to the outer surface,
A web corner type paper container, characterized in that a peeling start means for starting to peel off the bonded antifouling film is provided on a side plate other than the side plate having the web corner portion bonded to the outer surface. Using a laminated body in which an antifouling film that can be peeled on the entire surface by extrusion lamination using polyethylene resin is used as a material, a side plate is connected to each side of a polygonal bottom plate via a broken line, Folding pieces are continuously provided on both sides of the side plate via folding lines, and the adjacent folding pieces are connected to each other via radial folding lines that extend radially outward from the corners of the bottom plate, A web corner type paper container formed by folding the web corner portion to the outside of the side plate and bonding the web corner portion to the outer surface,
An extension piece is continuously provided on a side plate other than the side plate on which the web corner portion is bonded to the outer surface, and the extension piece is provided with a peeling start means for starting to peel off the bonded antifouling film. Characteristic web corner paper container. The said peeling start means is providing the knob | pick part or pushing part formed by putting a score line in layers other than the said film for antifouling in the upper edge part of the said side plate, The said 1 or 2 characterized by the above-mentioned. The web corner paper container described in 1. The web corner paper container according to claim 1 or 2 , wherein the peeling start means is provided with a protruding knob on the upper side of the side plate.   5. The web corner type paper container according to claim 4, wherein a boundary line between the protruding knob and the side plate is formed by making a cut line in a layer other than the antifouling film.   The web corner type paper container according to claim 4, wherein the protruding knob is formed only of the antifouling film. The peeling start means is provided with a film picking portion by providing a cutout in a layer other than the antifouling film on the upper part of the side plate and exposing a part for picking up the antifouling film. The web corner type paper container according to claim 1 or 2 . The peeling start means is provided with a notch in a layer other than the antifouling film on the upper part of the side plate, and a film pushing portion is provided by partially exposing a portion for peeling off the antifouling film. The web corner type paper container according to claim 1 or 2 , characterized in that. The web corner type paper container according to claim 1 or 2 , wherein the peeling start means is affixing a peeling tape for peeling the antifouling film to an upper inner surface of the side plate. The web corner type paper container according to any one of claims 1 to 9 , wherein oblique folding lines are provided from an upper side of the side plate having the web corner portion bonded to an outer surface to both ends of the lower side.