JP2007253984A - Paper carton - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a paper carton which is used by opening a top face panel and is easily disassembled and flattened after being used. <P>SOLUTION: In forming this paper carton, one bottom face panel 21 roughly in the same size as a bottom part is positioned on the outside of the other bottom face panel, a pair of tearing perforation lines β for partitioning a tab part 21a at the tip end center and broadening and reaching both side edges from the tab part 21a are formed on the bottom face panel 21 on the outside and the bottom face panel 21 on the outside is attached to the bottom face panel on the inside at two areas 21b on both sides of the part 21a and outside of the lines β. When the part 21a is pulled to break the lines β, the panel 21 is separated, the bottom part is opened and the carton can be folded in a sack pasting condition. In this way, it is easily disassembled and flattened. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention belongs to the technical field of paper cartons made of cardboard, and particularly relates to a rectangular parallelepiped paper carton that is used to supply various medicines and various drinks in a box.

Conventionally, as this type of paper carton, a rectangular parallelepiped paper carton using thick paper such as coated cardboard or cardboard has been widely used. Such a paper carton is solid even when opened, so it is convenient to use the contents in small quantities, but it is easy to peel off the glue margin when folding after use. Cannot be disassembled. Therefore, there has been proposed one that can be easily crushed without requiring a complicated operation such as peeling off the adhesive strip.
JP 2001-31069 A

  The paper carton described in Patent Document 1 is a type of carton that can be divided into an upper half and a lower half by tearing along a pair of tearing perforations formed over a peripheral wall. The front plate and the back plate can be easily folded along a fold extending at an angle of 45 degrees from their four corners by pushing down the side plate of the lower part or the side plate of the lower half.

  The paper carton described in the above-mentioned Patent Document 1 certainly does not require a complicated work of peeling off the glue piece, and can be easily crushed, but it is a type that is divided into two parts vertically and opened. For example, it is not applicable to a paper carton of the type in which the top panel is opened. Moreover, it is halfway to be applied to a paper carton of a type that can be divided into two vertically or depending on the form of use and the top panel can be opened. That is, when the top panel is opened and used, it is necessary to squeeze the used paper carton after dividing it into two parts.

  The present invention has been made in view of such problems, and the object of the present invention is to easily dismantle it into a flat shape after use while it is a type that can be used by opening the top panel. It is to provide a paper carton that can be used.

  The paper carton according to claim 1 is formed by assembling a blank obtained by punching cardboard, and a body portion is formed by a front panel, a rear panel, and side panels respectively positioned on both sides thereof. After folding the lower folding flaps connected to the lower side of each, and then folding the bottom panel connected to the lower side of the front panel and the back panel in order to form the bottom, after filling the contents A rectangular parallelepiped shape in which the upper folding flap connected to the upper side of each side panel is folded, and then the upper panel connected to the upper side of the back panel and the front bent flap connected to the tip side of the side panel are covered. Paper carton, where one bottom panel is approximately the same size as the bottom and is located outside the other bottom panel, The face panel has a knob section in the center of the tip, and a pair of perforations for breakage extending from the knob section to both side edges in a divergent state. The outer bottom panel is on both sides of the knob section. In addition, it is characterized in that it is bonded to the inner bottom panel at two regions outside the perforation for breaking.

  The paper carton according to the second aspect of the present invention is the paper carton according to the first aspect, wherein a zipper part for opening comprising a pair of parallel perforations is formed on the body part in a state of circling it. It is characterized by that.

  A paper carton according to a third aspect of the present invention is the paper carton according to the first or second aspect, wherein the zipper part for opening comprising a pair of parallel perforations in a state of crossing the front folding flap is provided. It is formed, and the front end folding flap is attached to the upper part of the front panel at a position closer to the front end than the zipper part, and is covered.

  In the paper carton according to the first aspect of the present invention, when the top panel is used as a lid, the bottom panel is divided and the bottom is opened by pulling the knob at the bottom and tearing the perforation for breaking. Since it can be folded in the same manner as in the sack pasted state, it can be easily disassembled to a flat shape.

  The paper carton which is the invention according to claim 2 can be used with the top panel left as a lid, or can be used with the upper half cut off. Even when used in any form, after use A flat shape can be easily obtained by opening the bottom.

  The paper carton according to the invention described in claim 3 has a virgin property by sticking the front end folding flap to the upper part of the front panel, and in addition to the zipper that circulates around the trunk, By providing a zipper that crosses the bending flap, the choice between leaving the lid and separating the top half becomes obvious.

  Next, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a perspective view showing an example of a paper carton according to the present invention as viewed obliquely from above, FIG. 2 is a perspective view of the paper carton as seen from obliquely below, and FIG. 3 is a perspective view of the paper carton of FIGS. It is a top view of the blank to form.

  The paper carton A shown in FIGS. 1 and 2 is for storing medicines and supplying them to a hospital, for example, and has an outer appearance of a rectangular parallelepiped shape, and is manufactured by assembling the blank B shown in FIG.

  The blank B is formed by punching a paperboard for paper carton. As shown in the figure, the adhesive margin flap 11, the back panel 12, the side panel 13, the front panel 14, and the like through the folding lines a, b, c, d. Side panels 15 are sequentially provided. A bottom panel 16 is connected to the lower side of the back panel 12 via a fold line e, an upper surface panel 17 is connected to the upper side via a fold line f, and a tip line of the top panel 17 is connected to a bottom line via a fold line g. The front folding flap 18 is continuously provided, the lower folding flap 19 is continuously provided on the lower side of the side panel 13 via a folding line h, and the upper folding flap 20 is provided on the upper side via a folding line i. A bottom panel 21 is connected to the lower side of the front panel 14 via a fold line j, and a lower folding flap 22 is connected to the lower side of the side panel 15 via a fold line k. The upper folding flap 23 is continuously provided via the folding line l.

  Here, the bottom panel 21 connected to the front panel 14 is a panel located outside when forming the bottom, and the width of the bottom panel 21 is the same as or slightly narrower than that of the bottom. Reference numeral 16 denotes a panel located on the inner side when the bottom portion is formed, and its width is about 2/3 of the width of the bottom portion. The outer bottom panel 21 has a knob portion 21a defined by a pair of perforations α extending inwardly from the edge at the center of the front end portion, and spreads from the pair of perforations α defining the knob portion 21a. In the state, a pair of perforations β for breakage reaching both side edges is formed. Of these, the perforation β is formed by a continuous notch of “one bent curve” as shown in the figure.

  Further, the adhesive flap 11, the back panel 12, the side panel 13, the front panel 14, and the side panel 15 that are connected laterally are formed in a belt-like zipper portion that includes a pair of parallel perforations at a position that crosses the middle thereof. 24 is formed. Further, a belt-like zipper portion 25 composed of a pair of parallel perforations is formed in the tip folding flap 18 at a position crossing the middle of the tip folding flap 18. The perforations that divide these zipper portions 24 and 25 are formed by continuous “V” -shaped cuts as shown in the figure.

  The blank B is folded in a sack pasting state in which the front side of the adhesive margin flap 11 is pasted to the rear side of the end of the side panel 15. In order to assemble the folded blank B into the paper carton A, first, the folded blank B is raised in a rectangular tube shape, and then the lower folding flaps 19 and 22 connected to the lower sides of the side panels 13 and 15 are provided. Is folded, and then the bottom panels 16 and 21 are bent and bonded together in this order to form the bottom. At this time, attachment of the bottom panel 16 is performed so that the outer bottom panel 21 is bonded to the inner bottom panel 16 at two regions 21b on both sides of the knob portion 21a and outside the perforation β for breaking. A paste is applied and bonded to the portion 16a.

  After forming the bottom in this way, the contents are charged from above. Next, after folding the upper folding flaps 20 and 23 connected to the upper sides of the side panels 13 and 15 respectively, the upper panel 17 connected to the upper side of the back panel 12 and the front bent flaps connected to the front end side thereof. 18 and the lid. At this time, a band-like portion slightly above the zipper portion 24 of the front panel 14 is used as a sticking portion 14a, glue is applied thereto, and the back side closer to the tip than the zipper portion 25 of the tip folding flap 18 is attached to this sticking portion. Affix to 14a. In this way, a paper carton A containing the contents shown in FIGS. 1 and 2 is produced.

  This paper carton A can be used in a state where the upper zipper portion 25 is removed and the upper panel 17 is left as a lid as shown in FIG. At this time, the front end portion 18a of the front end bent flap 18 remains attached to the sticking portion 14a of the front panel 14, and the root portion 18b serves as an insertion flap when the lid is opened and closed. Moreover, it can also be used as a simple box by removing the lower zipper part 24 and separating the upper half as shown in FIG. And even if it uses in any form, it can be made into a flat shape easily by pulling the knob part 21a in the bottom after use and tearing the perforation α and the perforation β for breaking.

  That is, in the embodiment shown in FIG. 4, the bottom panel 21 is divided by pulling the knob 21 a at the bottom to tear the perforation β for breaking, and the two regions 21 b outside the perforation β are formed. Since the bottom portion is in an open state when attached to the bottom panel 16, it can be folded in the same manner as the sack pasting state before assembly as shown in FIG. At this time, since there is a signature when the sack is pasted, it can be easily made flat.

  Also, in the embodiment shown in FIG. 5, the bottom panel 21 is divided by pulling the knob 21a at the bottom to tear the perforation β for breaking, and the two regions 21b outside the perforation β are formed. Since the bottom portion is in an open state when attached to the bottom panel 16, it can be folded in the same manner as in the sack pasting state as shown in FIG. At this time, since there is a signature when the sack is pasted, it can be easily made flat. Needless to say, the upper half can be folded in the same manner as in the sack pasted state.

  Although the embodiments of the present invention have been described in detail above, the paper carton according to the present invention is not limited to the above embodiments, and various modifications can be made without departing from the spirit of the present invention. It is natural to be.

  For example, in the paper carton mentioned in the above example, the opening zipper portion 25 is provided on the front end folding flap 18 provided continuously to the upper panel 17, but the front end folding flap 18 may be a simple insertion flap. . In that case, the insertion flap is inserted into the back side of the front panel 14 to cover it, but in order to secure virginity, it is necessary to take measures such as shrink wrapping.

  Further, the cardboard constituting the paper carton is not limited to the paperboard for paper carton but may be cardboard, and may be appropriately selected from various cardboards according to the application.

It is a perspective view which shows an example of the paper carton concerning this invention in the state seen from diagonally upward. It is a perspective view which shows an example of the paper carton concerning this invention in the state seen from diagonally downward. It is a top view of the blank which forms the paper carton of FIG.1 and FIG.2. It is a perspective view which shows the state which left the upper surface panel of the paper carton as a lid | cover. It is a perspective view which shows the state which cut | disconnected the upper half of the paper carton. It is a top view shown in the state which disassembled the paper carton of FIG. It is a top view shown in the state where the lower half of the paper carton of FIG. 5 was disassembled.

Explanation of symbols

A Paper carton B Blank a to l Folded line α, β Perforation 11 Adhesive flap 12 Rear panel 13 Side panel 14 Front panel 14a Adhering part 15 Side panel 16 Bottom panel 16a Adhering part 17 Top panel 18 End bent flap 18a Tip portion 18b Root portion 19 Lower folding flap 20 Upper folding flap 21 Bottom panel 21a Knob 22 Lower folding flap 23 Upper folding flap 24, 25 Zipper

Claims (3)

  It is formed by assembling blanks punched out of cardboard, and the body is formed by the front panel, the rear panel, and the side panels located on both sides of each, and the lower folding flaps connected to the lower side of each side panel are folded. Then, the bottom part is formed by sequentially bending and bonding the bottom panel connected to the lower side of the front panel and the rear panel, and the upper folding flaps connected to the upper side of each side panel after the contents are charged. Is a rectangular parallelepiped paper carton that is covered with a top panel connected to the upper side of the back panel and a bent front end flap that is connected to the top side of the back panel. Is located on the outside of the other bottom panel, and has a knob section in the center of the tip. And a pair of break perforations extending from the knob to the both side edges in a divergent state are formed, and the outer bottom panel has two regions on both sides of the knob and outside the break perforations. A paper carton characterized by being bonded to the inner bottom panel.   2. The paper carton according to claim 1, wherein a zipper part for opening comprising a pair of parallel perforations is formed on the body part so as to go around. A zipper part for opening consisting of a pair of parallel perforations is formed in a state where the tip folding flap crosses the tip folding flap, and the tip folding flap is attached to the upper part of the front panel at a position closer to the tip than the zipper part. The paper carton according to claim 1, wherein the paper carton is covered.

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