JP2004160011A - Dripper - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dripper which is opened in one action and simultaneously maintains a state with an opened opening (keeps a shape) for pouring boiled water. <P>SOLUTION: The dripper comprises a cylindrical paper body, which is equipped with folded parts on both side edges and a pair of opposing protruding flaps in the central parts between both side edges and has a rectangular shape in a plan view, and a pouch body with a filtering function. Central opposing parts on the opening edge of the pouch body, inserted in the cylindrical paper body, are stuck to the protruding flaps of the cylindrical paper body, and an opening part of the pouch body is detachably closed after accommodating the contents. The dripper has lines of perforations, which are in parallel with the both side edges and never intersect the upper end edge of the protruding flaps and the lower end edge of the cylindrical paper body, in the central parts between the both side edges of the cylindrical paper part to oppose each other. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a dripper used when straining contents having components to be extracted such as regular coffee powder, black tea and green tea leaves, and more particularly, a disposable type in which contents having components to be extracted are integrally stored. About the dripper.
[0002]
[Prior art]
BACKGROUND ART Conventionally, a dripper in which contents having components to be extracted, such as regular coffee powder, black tea and green tea leaves, are stored in advance has been known. An example of this type of dripper is a bag having a filtering function, and a foldable bag for fixing the bag and placing and fixing it on the cup wall surface when pouring hot water to extract components to be extracted from the contents. (See, for example, Patent Document 1).
[0003]
The dripper described in Patent Document 1 opens an upper part of a filter paper bag having a filtering function in which contents having components to be extracted, such as regular coffee powder, are stored in advance, and supports provided on both sides of a paper frame. By pulling and pulling the support pieces of the part with the left and right fingers and pulling them apart, the paper frame body opens in a square shape in an accordion style and the opening of the filter paper bag is also opened at the same time, utilizing the engaging recess provided in the support piece. Then, it is placed and fixed on the cup wall surface, and in this state, hot coffee is poured into the filter paper bag so that regular coffee or the like can be obtained.
[0004]
[Patent Document 1]
Japanese Patent No. 2910553 [0005]
However, in the dripper described in Patent Document 1, as a procedure until the dripper is placed and fixed on the wall surface of the cup, first, the upper part of the filter paper bag is opened and an opening is provided, and the support piece is pinched with left and right fingers. It requires a two-step procedure of pulling apart and opening the paper frame and simultaneously holding (opening) the opening of the filter paper bag in an open state. This two-step procedure is rather troublesome, When picking up and pulling the left and right fingers apart, there is a problem that the contents may be spilled, and furthermore, the opening is provided by opening at the perforation provided along the upper edge of the filter paper bag. Therefore, there is a problem that the contents having the components to be extracted, such as regular coffee powder, existing in the perforated portion of the filter paper bag are scattered at the time of opening and stain the periphery.
[0006]
[Problems to be solved by the invention]
Therefore, the present invention has been made in view of the above problems, and a first object of the present invention is to open (open) an opening for pouring boiling water and hold (open) an opening for pouring hot water at the same time. A second object of the present invention is to provide a dripper that can prevent the contents from scattering when opening and contaminating the surroundings. An object of the present invention is to provide a dripper that does not have a risk of spilling an object.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the inventor of the present invention described in claim 1 includes a pair of protruding flaps having bent portions on both side edges and facing a position that is a central portion with respect to the both side edges. It comprises a tubular paper body having a substantially rectangular shape in a plan view and a bag body having a filtering function, wherein the bag body is inserted into the tubular paper body, and a substantially center-facing portion of an opening edge of the bag body is formed in the cylindrical shape. A dripper that is attached to the pair of protruding flaps of the sheet-shaped paper body and that has an opening of the bag body closed in a releasable manner after the contents are stored, the position being a center part with respect to the both side edges of the tubular paper body. A cut line parallel to the both side edges and not intersecting the upper end edge of the protruding flap and the lower end edge of the tubular paper body is provided so as to face each other.
[0008]
According to a second aspect of the present invention, in the dripper according to the first aspect, the cut line is a discontinuous line.
[0009]
With the configuration according to any one of the first and second aspects, the closing portion of the bag is peeled off (opened) by grasping the protruding flaps with left and right fingers and pulling the protruding flaps away from each other. By continuing the pulling, an opening is obtained in which the surface provided with the cut line of the tubular paper body is folded in a state of protruding outward at the cut line and held in a diamond shape (shape keeping). Thus, the dripper of the present invention can obtain an opening for opening the bag and pouring boiling water in one action.
[0010]
According to a third aspect of the present invention, in the dripper according to any one of the first and second aspects, an engaging projection is formed at a lower end edge of the tubular paper body. is there. With this configuration, the tubular paper body can be stably mounted and fixed on the cup wall surface.
[0011]
According to a fourth aspect of the present invention, in the dripper according to any one of the first to third aspects, the opening of the bag body is releasably closed by ultrasonic welding. is there. With such a configuration, the opening of the bag body can be easily and releasably closed from the tubular paper body side.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
The present invention will be described below in detail with reference to the drawings and the like.
FIG. 1 is a perspective view of a main part showing an embodiment of a dripper according to the present invention, FIG. 2 is a development view of a tubular paper body used for the dripper shown in FIG. 1, and FIG. 3 shows a method of using the dripper shown in FIG. It is a figure explaining, 1 in the figure is a dripper, 2 is a cylindrical paper body, 2 'is a blank plate of a cylindrical paper body, 3 is a bag body, 20 and 20' are protruding flaps, 21 is an engaging projection. , 22 are notches, 23 and 23 'are cut lines, 24 and 25 are creases, 30 and 30' are opposing adhesive portions, 31 is a peelable adhesive portion, 32 is a strong adhesive portion, 33 is a folded portion, and 200 is a folded portion. A front plate, 210 is a back main plate, 220 is a back auxiliary plate, and α and β are bent portions, respectively.
[0013]
FIG. 1 is a perspective view of a main part showing an embodiment of a dripper according to the present invention. The dripper 1 has bent portions α and β on both side edges, and is located at a position which is a central portion with respect to the both side edges. The bag body having a substantially inverted trapezoidal shape having a filtering function is inserted into a cylindrical paper body 2 having a substantially rectangular shape in a plan view and having a pair of opposed protruding flaps 20 and 20 ′ (not shown). A pair of opposing sticking portions 30, 30 '(not shown) partially extending substantially at the central portion of the opening edge of the opening 3 are outwardly extended by the upper edges of the pair of projecting flaps 20, 20' (not shown). Folded to the outer surfaces of the pair of protruding flaps 20 and 20 ′ (not shown), and the opening of the bag body 3 stores contents (not shown) having components to be extracted such as regular coffee powder. Laterally closed by the peelable adhesive portion 31, both side edges of the lower edge (lower side in FIG. 1) of the tubular paper body 2. Four engaging projections 21 (three in FIG. 1) are formed at the center and at the lower end edge of the tubular paper body 2 (lower side in FIG. 1). Notches 22 are formed in four places (two places in FIG. 1), and are parallel to the two side edges at a position which is a central portion with respect to the both side edges of the tubular paper body 2, and Lower edges of a pair of engaging projections 21 provided at the center of the upper edges of a pair of projecting flaps 20, 20 '(not shown) and the lower edge (the lower side in FIG. 1) of the tubular paper body 2. A single discontinuous cutting line 23, 23 '(not shown) that does not intersect with is provided.
[0014]
Further, as shown in FIG. 1, the bag body 3 has a strong adhesive portion 32 which is not easily peeled off at both side edges, and a lower end portion of the bag body 3 opposite to the opening (FIG. 1). (Lower portion) is a folded portion 33. The folding section 33 will be described later in more detail.
[0015]
Next, the tubular paper body 2 and the bag body 3 having a filtering function that constitute the dripper of the present invention will be described. First, the tubular paper body 2 will be described. FIG. 2 is an exploded view of a tubular paper body used for the dripper shown in FIG. 1. In the blank plate 2 ', a back auxiliary plate 220, a front plate 200, and a back main plate 210 are sequentially connected via folds 24 and 25. A substantially base having both ends formed in a round shape at the center and substantially the center of one edge (upper edge in FIG. 2) of the front plate 200 and the rear main plate 210 orthogonal to the creases 24 and 25. Protruding flaps 20 and 20 ′ are provided, and the protruding flaps 20 and 20 at the other edges (lower edges in FIG. 2) of the front plate 200 and the back main plate 210 that are orthogonal to the creases 24 and 25 are provided. An engagement protrusion 21 is provided at a position opposing to the blank plate 2 and at positions where both ends of the blank plate 2 ′ are folded and pasted as described later to form the tubular paper body 2 shown in FIG. (The notch 22 is necessarily The blank plate 2 ′ is folded and pasted as described later to form the tubular paper body 2 shown in FIG. 1, and the central portion of each of the front plate 200 and the back main plate 210 is formed. Parallel to the creases 24, 25 and at the center of the upper edge of the protruding flaps 20, 20 'and the other edge (lower edge) of the front plate 200 and the back main plate 210. It has a configuration in which a single discontinuous cutting line 23, 23 ′ that does not intersect with the lower end edge of the engaging projection 21 is provided. First, the back main plate 210 is folded on the front plate 200 by mountain-folding the crease 25, and then the back auxiliary plate is placed on the folded back main plate 210. The tubular paper body 2 can be obtained by folding the plate 220 by folding the crease 24 in a mountain shape and bonding the overlapped portion of the back main plate 210 and the back auxiliary plate 220 with an adhesive or the like. As a material for forming the tubular paper body 2, for example, cardboard such as water-resistant card paper or ivory paper of 200 to 340 g / m ² is suitable. Further, the blank plate 2 'can be easily manufactured by using a known punching machine.
[0016]
Next, the bag used in the present invention will be described. The bag 3 is not particularly limited as long as it is a material having a filtering function. However, in consideration of workability when forming the bag 3, the material itself has a thermal adhesive property, or the innermost layer is Those having thermal adhesiveness are preferred, for example, polyolefins such as polyethylene and polypropylene, nonwoven fabrics having a water permeability such as polyester, or a thermoplastic resin such as a polyolefin or polyester such as polyethylene or polypropylene in the innermost layer. And a filter paper having a two or three-layer structure having a layer containing the same.
[0017]
Next, a method of manufacturing the bag 3 will be described. The bag body 3 is formed by folding a long sheet having thermal adhesive properties, for example, a filter paper having a three-layered structure containing a modified polypropylene in the innermost layer into two parallel to the longitudinal direction, and folding the sheet 33 (FIG. 1). (See FIG. 1), or the folded portions 33 (see FIG. 1) are W-folded (gusset-folded) so as to be overlapped and heat-bonded in a predetermined shape (an adhesive portion indicated by reference numeral 32 in FIG. 1). After that, cutting and / or die-cutting (in FIG. 1, the folded portion 33 becomes narrower and a pair of opposing sticking portions 30 partially extended substantially at the center on the opposite side of the folded portion 33, 30 ') into a substantially trapezoidal shape).
[0018]
Then, the assembling of the tubular paper body 2 and the bag body 3 is performed by inserting the bag body 3 into the tubular paper body 2 and providing the pair of opposed sticking portions provided on the bag body 3. 30 and 30 ′ (not shown) are folded outward at the upper edges of the pair of projecting flaps 20, 20 ′ (see FIGS. 1 and 2) provided on the tubular paper body 2, and the pair of projecting flaps 20. , 20 ′ (see FIGS. 1 and 2) to complete. In FIG. 1, the pair of opposed sticking portions 30, 30 ′ (not shown) of the bag body 3 are outside at the upper edges of the pair of projecting flaps 20, 20 ′ (see FIGS. 1 and 2). The pair of protruding flaps 20 and 20 ′ (see FIGS. 1 and 2) are folded back and attached to the outer surfaces of the pair of projecting flaps 20, 20 ′ (see FIGS. 1 and 2). The protrusion length of 30 ′ (not shown) may be shortened and attached to the inner surfaces of the pair of protrusion flaps 20 and 20 ′ (see FIGS. 1 and 2). In any case, the place where the bag body 3 is adhered to the tubular paper body 2 is desirably the protruding flaps 20, 20 '(see FIGS. 1 and 2). When the paper body 2 is erected in a cylindrical shape, both sides of the bag body 3 are lifted, and a large and reliable opening of the bag body 3 is guaranteed, so that a dripper suitable for pouring and drip can be provided.
[0019]
In addition, in order to form the tubular paper body 2 from the blank plate 2 ′, an adhesive for bonding the overlapping portion of the back main plate 210 and the back auxiliary plate 220, or the tubular paper body 2 and the The adhesive for bonding to the bag 3 can be appropriately selected from hot melt type, solvent type, aqueous type, reactive type, pressure sensitive type and the like.
[0020]
The semi-finished product dripper 1 in which the bag body 3 is assembled to the tubular paper body 2 in this manner is then filled with contents having components to be extracted such as regular coffee powder in the bag body 3 (FIG. (Not shown) is filled from the opening of the bag body 3 and is thermally bonded so that the opening of the bag body 3 becomes the peelable bonding portion 31 (see FIG. 1), thereby forming the dripper 1 of the present invention.
[0021]
Next, a method of forming the peelable adhesive portion 31 in the opening of the bag 3 will be described. Preferably, the peelable adhesive portion 31 is formed by using an ultrasonic welding device (not shown). The reason for this is that the dripper 1 of the present invention attaches the bag body 3 to the tubular paper body 2, and then has the contents (shown in FIG. ) Is filled from the opening of the bag body 3 and finally the opening of the bag body 3 becomes the peelable adhesive portion 31 from the outer surface of the tubular paper body 2 via the tubular paper body 2. In a hot plate sealing method, an impulse sealing method, or the like, which is generally used, the inner surfaces of the openings of the bag body 3 are releasably bonded through the thick paper forming the tubular paper body 2. It is very difficult, and it takes time to perform the thermal bonding, and the production efficiency is reduced, and the inner and outer surfaces of the tubular paper body 2 and the surface of the bag body 3 are burnt and browned, resulting in poor appearance. Because it becomes.
[0022]
Next, a method of using the dripper 1 of the present invention will be described with reference to FIG. 1 and FIG. First, the protruding flaps 20, 20 'covered with the opposed sticking portions 30, 30' of the bag body 3 of the dripper 1 shown in FIG. The surface (the front plate 200 and the back main plate 210 in FIG. 2, on which the cut lines 23 and 23 ′ are provided) of the tubular paper body 2 is peeled by peeling the peelable adhesive portion 31 of the body 3 and further pulling. It is possible to obtain an opening which is automatically folded in a state of protruding outward at the cutting lines 23 and 23 'and held (shaped) in a rhombic cylindrical shape. As described above, the dripper 1 of the present invention can obtain an opening for opening the bag body and pouring hot water in one action, and thereafter, the engagement protrusion 21 provided on the lower edge of the tubular paper body 2 and As shown in FIG. 3, the dripper 1 is placed and fixed on the cup wall surface by the notch 22, and a predetermined amount of hot water is poured from the opening to obtain a desired beverage in the cup.
[0023]
In the above, the cutting lines 23 and 23 'have been described as discontinuous single cutting lines, but may be continuous (linear) single cutting lines. The number and shape of the engaging projections 21 provided on the lower edge of the dripper 1 are not limited to those illustrated, but may be any configuration as long as the engagement projections 21 can be placed and fixed on the cup wall surface. Further, the protruding flaps 20 and 20 ′ need not always have the same shape, and may be formed by changing the protruding width or the protruding height or shifting the position of the protruding flaps even if the protruding flaps are used. It may be configured so as to be easily picked.
[0024]
【The invention's effect】
As described in detail above, the dripper of the present invention peels off (opens) the closed portion of the bag containing the content having the component to be extracted such as regular coffee powder and opens the shape-retained opening for pouring boiling water. It has an excellent effect that it can be achieved in one action, and the operations of peeling (opening) the closing portion of the bag body and providing the opening are performed by gripping the projecting flap provided on the dripper with left and right fingers. There is no danger of spilling the contents to perform the operation, and the opening mechanism peels off the closing portion. This has an excellent effect that the contents are not scattered at the time of opening and the surroundings are not stained.
[Brief description of the drawings]
FIG. 1 is a perspective view of a main part showing an embodiment of a dripper according to the present invention.
FIG. 2 is a development view of a tubular paper body used for the dripper shown in FIG.
FIG. 3 is a diagram illustrating a method of using the dripper shown in FIG.
[Explanation of symbols]
REFERENCE SIGNS LIST 1 dripper 2 tubular paper body 2 ′ blank plate 3 of tubular paper body 3 bag body 20, 20 ′ projecting flap 21 engaging projection piece 22 notch 23, 23 ′ cutting line 24, 25 fold line 30, 30 ′ 31 Peelable adhesive part 32 Strong adhesive part 33 Folded part 200 Front plate 210 Back main plate 220 Back auxiliary plate α, β Bent part

Claims (4)

It comprises a substantially rectangular tubular paper body having a pair of protruding flaps provided with bent portions on both side edges and opposed to positions located at the center with respect to the both side edges, and a bag body having a filtering function. Inserting the bag body into the tubular paper body, affixing a substantially center-facing portion of the opening edge of the bag body to the pair of protruding flaps of the tubular paper body, and filling the opening of the bag body. In the dripper closed releasably after storing the object, the dripper is parallel to the side edges at a position that is a central portion with respect to the side edges of the cylindrical paper body, and the upper edge of the protruding flap and the cylindrical shape. A dripper, wherein a single cut line that does not intersect the lower edge of the paper body is provided to face the dripper. The dripper according to claim 1, wherein the cut line is a discontinuous line. The dripper according to claim 1, wherein an engagement protrusion is formed at a lower edge of the tubular paper body. The dripper according to any one of claims 1 to 3, wherein an opening of the bag is closed so as to be peelable by ultrasonic welding.

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