JP4876503B2 - Carton for powder - Google Patents

Description

  The present invention relates to a carton for powder for storing powder such as household powder detergent. In particular, the present invention relates to a carton for powder composed of a box body whose upper opening is reinforced, a sealing paper covering the upper opening, and an openable / closable lid.

  As an example of this type of conventional carton for powder, as shown in FIG. 8 or FIG. 9, the front 142 and the both side surfaces 143 are composed of a double structure of an outer box 144 and an inner cylinder 141 as shown in FIG. The container body having a hinge part 147 formed on the back side through an opening zipper 146 provided over the front surface 142 and both side surfaces 143 of the outer box 144 is divided into a rectangular tube shape that can be divided into an openable opening / closing lid part 148 and an inner body 141. The detergent paper container 140 was known.

  A detergent with a case-like box formed by folding a blank plate in which front plates, both side plates, rear plates, bottom plates, etc. are connected in series via a fold line, and a plastic molding lid is placed on the upper opening. Paper containers are also used. Furthermore, instead of the plastic molding lid, a structure using a paper lid is also used.

(1) Prior art 1
Opening operation is extremely smooth, and even if the number of times of opening and closing is increased, the engagement does not become sweet, and the lid does not easily open even when an external force is applied when not in use. A powder carton (for example, see Patent Document 1) having a lock mechanism is known.

  As shown in FIG. 10, the powder carton 100 has a knob piece 104 projecting downward at the center of the lower edge of the front plate 102 of the lid 101, and a convex engagement piece on the inside of the knob piece 104. 103 is cut. A horizontal crease line 105 is engraved between the left and right lower end portions of the engagement piece 103 and the left and right upper end portions of the knob piece 104, and the knob piece 104 and The entire engagement piece 103 is rotatable.

  Further, the front plate 107 of the box main body is formed with an engagement hole 108 having a size capable of inserting the engagement piece 103 at a position facing the engagement piece 103 of the lid 101. The rotating engagement piece 103 is inserted into the gap between the engagement hole 108 and the hook.

(2) Prior art 2
It also prevents consumers from accidentally tearing off the locking tongue when removing the sealing material at the start of use, and enables the mechanical filling of the granular material, and locking it incorrectly when sealing material is glued. A cardboard carton container (see, for example, Patent Document 2) that prevents the tongue piece from being glued is also known.

  As shown in FIG. 11, the cardboard carton container 200 is formed of a cover material 111, a sealing material 112, a container body (box) 113, and a handle 114. And the locking tongue piece 115 is given to the position state along the surface board 116 in the state before removing the sealing material 112 and starting use.

Prior art documents are shown below.
Japanese Patent Laid-Open No. 2004-231254 JP 7-291269 A

(1) Prior Art 1 In Prior Art 1, when the lid is locked, the locking function is not exhibited unless the engaging piece is inserted into the engaging hole so that the lower part of the knob piece is pulled forward. This takes extra time.

  Furthermore, when opening the lid, there is a problem that the upper opening of the box body is not formed unless the knob piece is picked and the engagement piece is removed from the engagement hole.

(2) Prior Art 2 In Prior Art 2, the container body (box) and the lid are engaged with each other by locking the lid by engaging the locking tongue piece in the locking recess on the back side of the front flap of the lid. It has been broken. The lid is locked because the locking tongue piece protrudes forward by the elastic force of the cardboard.

  In this structure, since the locking recess of the lid with which the locking tongue engages is only the thickness of the paper, the locking function is impaired when distortion or the like occurs in the lid or the container body (box). There's a problem. In addition, since the locked portion is not visible, there is a problem that it is difficult for consumers to recognize and anxiety.

  The present invention has been made in view of the above-described conventional problems, and an object thereof is to provide the following carton for powder. That is, the first object of the present invention can be made easily and stably without taking time and effort to open the lid when using the stored items and to close the lid after use. And it is providing the carton for powders excellent also in the closed state after opening.

  A second object of the present invention is to provide a carton for powder that can prevent leakage of powder such as detergent that is stored even when the carton is laid down.

  The third object of the present invention is to provide a carton for powder that has excellent sealing properties before opening and has excellent sealing properties at the time of resealing, and the resealed state can be confirmed at a glance from the outside. It is to be.

In order to solve the above problems, first, the invention according to claim 1 of the present invention is:
Provided with a peripheral wall composed of a front plate, a right side plate, a back plate and a left side plate connected to each other, and a bottom plate for sealing the bottom of the peripheral wall, covering the box body with the top opened, and the upper opening. In powder carton with sealing paper and openable lid,
The front plate, the right side plate, the back plate, and the left side plate have a reinforcing plate that is connected to the upper side of the front plate via a folding line, and are folded from the folding line and bonded to the upper portion of the inner plate of each face plate. Provided with a reinforcing plate,
The sealing paper covers the upper opening and is bonded at the periphery of the opening;
The lid covers a top plate covering the upper opening, a front plate hanging from the top plate to the outer surface side of the front plate, a right plate hanging from the outer surface side of the right side plate, and a left plate hanging from the outer side of the left side plate And a back plate and a hinge coupling plate depending on the outer surface side of the back plate,
The five hanging plates are connected to each other via a fold line,
The four hanging plates, excluding the hinge coupling plate, are connected by bonding the four inner corners,
A knob portion protruding downward is provided at the lower center of the front plate,
A front engaging portion is provided in the center near the upper part of the front plate,
A pull-out knob engaging portion is provided at the center of the knob portion,
The outer surface side of the front engaging portion and the inner surface side of the knob engaging portion are bonded, and when the upper opening is opened with the lid, the knob engaging portion is pulled out and an engagement hole is provided, and the upper opening is provided with the lid material. The powder carton is characterized in that the engagement hole engages with the knob engagement portion on the front engagement portion when the portion is closed.

  The carton for powder of the present invention can be easily and stably opened without taking time and effort to open and close the lid when using the stored items. Moreover, it is excellent also in the closed state after opening.

  Furthermore, the powder carton of the present invention does not leak powder such as detergent that is stored even when the carton is laid down.

  Moreover, it is excellent in the sealing property before opening, and is excellent in the sealing property at the time of resealing. In addition, re-sealing can be confirmed at a glance from the outside.

  The powder carton of the present invention will be described in detail below along the embodiments with reference to the drawings.

  FIG. 1 is a perspective view showing an outline of an embodiment of the structure of a powder carton according to the present invention. FIG. 2 (a) is a perspective view showing the appearance of the powder carton of the present invention before opening. (B) is a perspective view which shows an open state.

  As shown in FIG. 1, a powder carton 10 according to the present invention is composed of a box body 1 having an opening on the upper side, a sealing paper 7 and a lid 8.

  The box body 1 has a front plate 2, a back plate 3, side plates 4, 5, and a bottom plate not shown in FIG. And the reinforcement board is folded above the front board 2, the back board 3, and the side boards 4 and 5 via the folding line. Therefore, the upper part of the front plate 2, the back plate 3, and the side plates 4, 5 has a double structure in which the front side surface and the back side surface are overlapped.

  As the folding line, a half-broken line is used instead of the folding line depending on the thickness, material or material configuration of the paperboard used for the box body 1.

  Further, a front engaging portion 59 that engages with the lid 8 is formed at the upper center of the front plate of the box body 1 as described later. As shown in FIG. 6, the engaging portion 59 is provided with a score line on the inverted peripheral edge 34 of the arc. In addition, a cut line is also provided in the handle-like outer peripheral edge 35 at the center of the inverted bowl shape.

  In addition, a horizontal fold line 36 is provided at an upper position of the reverse saddle-shaped arc periphery 34. And the arc-shaped projection part 61 latched by the latching hole is protrudingly provided in the both ends of the bending line 36. As shown in FIG.

  Next, a sealing paper 7 as a sealing material is attached to the opening above the box body 1. As the sealing paper 7, for example, a laminate sheet having a structure in which an OPP (oriented polypropylene) film is sandwiched between thin papers, or a laminate sheet having a structure in which a PET (polyethylene terephthalate) film is sandwiched with glassine can be used.

In addition, when adhering to the upper part of the box body 1 by hot melt, glassine paper / P
A laminate sheet having a laminated structure of ET film / PE (polyethylene) film / hot melt adhesive layer can be used.

  The sealing paper 7 is pasted after automatically weighing and filling a powdered material such as a detergent stored in the box body 1.

  As shown in FIG. 5, the box body 1 and the lid 8 are connected above the back plate of the box body 1 and below the back plate 14 hanging from the top plate 9 of the lid 8 via a folding line. The hinge coupling plate 16 is bonded and bonded with an adhesive or the like. Then, the lid 8 is freely opened and closed by the folding line.

  The lid 8 has a top plate 9, a front plate 11, a right plate 12, a left plate 13, a back plate 14, and a hinge coupling plate 16. Further, a knob portion 15 is projected downward from the center below the front plate 11.

  Further, as shown in FIG. 3, the blank plate forming the lid 8 is formed with a front plate 11, a right plate 12, a left plate 13, and a back plate 14 on the outside of the top plate 9 via folding lines 22 to 25, respectively. Yes. In addition, a hinge coupling portion 16 is formed at the center of the outer side of the back plate 14 to be bonded to the back plate of the box body 1 via a fold line 30.

  Further, a right plate left paste piece 19 and a right plate right paste piece 18 are formed on the left and right sides of the right plate 12 via folding lines 26 and 27. The left plate left paste piece 21 and the left plate right paste piece 20 are also formed on the left and right sides of the left plate 13 via folding lines 29 and 30.

  In addition, a knob portion 15 projects downward from the center of the outer side of the front plate 11. As shown in FIG. 2A, a knob engaging portion 17 having a reverse hook-like shape 32 is formed at the approximate center of the knob portion 15 when the upper opening of the box body 1 is covered.

  As shown in FIG. 7, the knob engaging portion 17 is provided with a cut line on the outer peripheral edge 32 having an inverted bowl shape. And the connection part 33 of the width | variety of about 0.5-2.0 mm is provided in 1-3 places of a cut line.

  Further, the front side surface of the front plate engaging portion 59 formed at the center near the upper portion of the front plate 2 of the box body 1 and the back side surface of the knob engaging portion 17 are bonded with an adhesive or the like.

  When the lid is opened, the knob portion 15 is pulled and lifted upward, whereby the knob engaging portion 17 is adhesively bonded onto the front plate engaging portion as shown in FIG. An engagement hole 60 is provided in the engagement portion trace.

  Next, FIG. 4 is a plan view showing an embodiment of a blank in which the box body of the powder carton of the present invention is formed.

  As shown in FIG. 4, the blank 58 of the box body has a joining face plate 37 connected to the back face plate 3 via a fold line 38. And the back plate 3, the side plate 4, the front plate 1, and the side plate 5 are connected in series through the folding lines 39, 40, 41.

  Further, the back reinforcing plate 50, the side reinforcing plate 51, the front reinforcing plate 52, and the side surfaces are respectively disposed above the back plate 3, the side plate 4, the front plate 1 and the side plate 5 via folding lines 43, 45, 47 and 49, respectively. The reinforcing plate 53 is continuously provided.

Further, folding lines 42, 44, respectively, below the back plate 3, the side plate 4, the front plate 1, and the side plate 5,
A back flap 54, a side flap 55, a front flap 56, and a side flap 57 are connected through 46 and 48, respectively. A reverse hook-shaped front engaging portion 59 is formed at the center near the upper portion of the front plate 1.

  For each of the folding lines 38 to 49, a half-cut line is used instead of the folding line depending on the thickness, material or material configuration of the paperboard used for the blank.

  In addition, folded Y-shaped crease lines 6 are formed on the side plates 4 and 5 so that the stored items such as detergent stored in the carton for powder are used up and the cartons are easily discarded.

  The box body or lid blank paperboard from which the powder carton of the present invention is produced is not particularly limited. For example, ivory paper, postcard, double-sided card paper, Manila cardboard, white ball Ordinary paperboard, such as some white paperboard, can be used.

  Further, it is preferable to impart water resistance or chemical resistance to the paperboard. As a method for imparting water resistance or chemical resistance to the paperboard, there are a method for making paperboard and a method for impregnating or coating the paperboard.

  When water resistance is imparted to the paperboard at the time of papermaking, for example, the added waterproofing agent is usually an internally added waterproofing agent that is internally added to the pulp suspension before papermaking. -There are formaldehyde resin, melamine-formaldehyde resin, epoxidized polyamide resin, polyethyleneimine resin, dialdehyde starch, glyoxalized polyacrylamide resin.

  The amount of the water-resistant agent added varies depending on the type of pulp to be used, the type of chemical, and the intended water resistance.

  In addition, as secondary processing chemicals that impart water resistance to paperboards that have been processed, waxes such as carnauba wax, paraffin wax, polyethylene wax, etc., which have an excellent balance in price or performance, are often used. .

  Further, a polymer solution or emulsion such as polyvinyl chloride, polyvinylidene chloride, polyvinyl acetate, ethylene-vinyl acetate copolymer, vinylidene chloride-vinyl acetate copolymer insoluble in water is used.

  Also, roll paper coater, air knife coater, metering bar coater, fountain blade coater, bevel blade coater, short dwell coater, curtain coater, etc. are used for processing water-proofing agent or chemical-resistant agent on the paperboard that has been processed. it can. And although it does not specifically limit, a water-resistant agent, a chemical-resistant agent, etc. are applied to the front side surface or back side surface or both side surfaces of the paperboard using any appropriate coating machine.

  Also, a laminate of paperboard, for example, paperboard / polymer layer (moisture-proof polymer layer such as polyethylene, polypropylene, polyvinylidene chloride) / paperboard can be exemplified.

  Furthermore, what applied hot-melt resin coating or wax emulsion coating to the paperboard can also be illustrated.

The basis weight of the paperboard is 180 to 750 g / m ² , preferably 450 to 650 g / m, because the carton strength, waist, appearance, etc. are maintained depending on the weight to be stored, distribution / storage conditions, etc. It is desirable to use the ^second one.

  In addition, it is possible to print and display appropriate patterns, patterns, coloring, characters, etc. on the front and back sides of the paperboard.

  For printing, any printing method such as letterpress printing, offset printing, gravure printing, flexographic printing, or screen printing is appropriately selected.

  In addition, surface processing for protecting the printed surface on which the printing process has been performed according to distribution conditions or store sales conditions is also performed.

  In addition, gloss overprint varnishing can be applied to make the printed surface more beautiful and beautiful.

  In addition, a resin such as polyethylene (PE) or polypropylene (PP) or polyethylene terephthalate (PET), polyimide (PI), polyacrylonitrile (PAN), or polyvinyl chloride (PVC) is melted on the paperboard. The gloss and gloss of the printed surface can be increased by using an extruding coating process to be applied or a laminating process for laminating a film.

  The carton for powders of the present invention is excellent as a carton capable of effectively storing powder or granular household detergents, as well as food cartons such as flour and sugar, powder insecticides, herbicides, etc. It can be used in a wide range of fields such as agricultural cartons.

It is a perspective view which shows the outline of one Example of a structure of the carton for powders of this invention. (A) It is a perspective view which shows the outline of the state before opening of the carton for powders of this invention. (B) It is a perspective view which shows the outline of the state by which the carton for powder was opened. It is a top view which shows one Example of the blank in which the lid | cover of the detergent carton of this invention is formed. It is a top view which shows one Example of the blank in which the box main body of the carton for detergents of this invention is formed. It is explanatory drawing explaining the state by which the box main body and lid | cover of the detergent carton of this invention are adhere | attached. It is explanatory drawing for demonstrating the front engaging part formed in the box main body of the carton for detergents of this invention. It is explanatory drawing for demonstrating the knob engaging part formed in the lid | cover of the detergent carton of this invention. It is the schematic for demonstrating the conventional carton for powders. It is the schematic for demonstrating the conventional carton for powders. It is the schematic which shows the outline of the conventional carton for powders. It is the schematic which shows the outline of the conventional carton for powder.

Explanation of symbols

1 …… Box body 2 …… Front plate 3 …… Back plate 4 …… Side plate 5 …… Side plate 6 …… Reverse Y shape 7 …… Sealing paper 8 …… Lid 9 …… Top plate 10 …… Carton for powder 11 ... Front plate 12 ... Right plate 13 ... Left plate 14 ... Back plate 15 ... Knob part 16 ... Hinge coupling plate 17 ... Knob engagement part 18 ... Right plate right glue allowance Piece 19 …… Right paste left piece 20 …… Left paste right piece 21 …… Left left paste piece 22 …… Fold line 23 …… Fold line 24 …… Fold line 25 …… Fold line 26… ... Folding line 27 ... Folding line 28 ... Folding line 29 ... Folding line 30 ... Folding line 31 ... Lid blank 32 ... Reverse saddle shape 33 ... Connecting part 34 ... Reverse saddle-like arc periphery 35 ... ... outer periphery of handle 36 ... fold line 37 ... joint face plate 38 ... fold line 39 ... fold line 0 …… Fold line 41 …… Fold line 42 …… Fold line 43 …… Fold line 44 …… Fold line 45 …… Fold line 48 …… Fold line 49 …… Fold line 50 …… Back reinforcement plate 51 …… Side Reinforcement plate 52 …… Front reinforcement plate 53 …… Side reinforcement plate 54 …… Back flap 55 …… Side flap 56 …… Front flap 57 …… Side flap 58 …… Box body blank 59 …… Front engagement portion 60 …… Engagement hole 61 …… Protrusions

Claims (1)

Provided with a peripheral wall composed of a front plate, a right side plate, a back plate and a left side plate connected to each other, and a bottom plate for sealing the bottom of the peripheral wall, covering the box body with the top opened, and covering the top opening, In a powder carton having a top plate, and a front plate that hangs outward from the top plate via a fold line and a right and left plate, and a lid that can be opened and closed, and a left plate.
The front plate, the right side plate, the back plate and the left side plate each have a reinforcing plate continuously provided by returning a fold line, and reinforced from the fold line and bonded to the inner surface side upper part. With a plate,
A front engaging portion is provided at the center near the upper part of the front plate,
Except for a part of the lower left and right ends of the back plate of the lid material, a hinge coupling plate is provided via a fold line, and this hinge coupling plate is adhesively bonded in the vicinity of the upper side of the back plate of the box body,
In the center of the lower end of the front plate of the lid material is provided with a reverse hook-shaped knob portion,
A knob engaging portion having a substantially same shape larger than the outer shape of the front engaging portion is provided at substantially the center of the knob portion, and the front engaging portion front side surface and the knob engaging portion rear side surface are bonded and joined to each other. It is configured so that an engagement hole is formed at the center of the knob when the upper opening is opened at the part ,
The front engaging portion is provided with a cut line in a shape having a protrusion on the upper side, and when the upper opening is closed with a cover material, an engagement hole is formed on the front engaging portion. The powder carton is characterized in that the protrusions engage with each other and the protrusions engage with the engagement holes .

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