JP2008245894A - Dripper - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dripper which is easy to handle by a maintained locking status of a bag and a tubular paper member, wherein the bag having a filtration function inside of its foldable tubular paper member in a rectangular form is attached, locked and filled with a content including an ingredient to be filtered such as ground regular coffee and seals it. <P>SOLUTION: Each of the folding creases carved on the upper end of the facing part approximately in the middle of one of the openings of the tubular paper member can be bent outward in a dog-leg shape in a plain view and each of the upper ends of the facing part approximately in the middle of the opening rim of the bag are folded outward and bent outward in a dog-leg shape in a plain view so that the dripper can be locked hanging on the upper end of the facing part approximately in the middle of the opening of the tubular paper member, and/or a locking part formed with plurality of sawtooth like concavities and convexities are provided on the upper end of the projected flap of the upper end approximately in the middle of the facing part of the opening rim of the tubular paper member so that the upper end of the facing part approximately in the middle of the opening rim of the bag member can be locked. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a disposable dripper for use in filtering and extracting contents containing extracted components such as regular coffee powder, green tea, and tea leaves, and more specifically, regular coffee powder, green tea, tea leaves, etc. The present invention relates to a dripper in which a content containing a component to be extracted is filled and stored.

  Conventionally, when drinking regular coffee, green tea, tea, etc., the contents contain extractable components such as regular coffee powder, green tea, tea leaves from the convenience of disposal after use, etc. Disposable drippers that are filled and stored have been used.

This type of dripper has a funnel-shaped filter installed inside a foldable paper instrument plate, and contains contents to be extracted such as regular coffee powder, green tea, and tea leaves of tea in the funnel-shaped filter. Is a simple dripper having a configuration filled and stored, and when used, the storage portion containing the content to be extracted such as regular coffee powder, green tea or tea leaves is opened and opened. In addition, the folded paper instrument plate is erected, and a dripper is placed on and fixed to the upper edge of the cup by using a protruding piece or a notch or notch provided on the paper instrument board. Regular hot water is poured into the cup by pouring hot water into the funnel-shaped filter containing the contents containing the extracted components such as powder, green tea and tea leaves. Coffee and tea, a paper simple dripper can be extracted like green tea (e.g., see Patent Document 1).
JP 2002-306344 A

  Patent Document 1 discloses an opening edge of a bag body having a filtering function inserted into the cylindrical paper body on an outer surface of a substantially central facing portion of one opening edge of a cylindrical paper body that is substantially rectangular in a folded state. It is a simple dripper made of paper that is obtained by folding and sticking the end pieces of the substantially center facing part of each, and as shown in the examples, various kinds of sticking between the cylindrical paper body and the bag body are possible. Although an adhesive is used, when hot water is poured for extraction, hot water is applied to the sticking part, and the adhesive itself may rarely soften and peel off of the sticking part. Since the end piece of the outer folded bag body is released from the fixed state by peeling off the sticking portion, the bag body is dropped from the cylindrical paper body due to the weight of the stored contents and the load of the injected hot water. Therefore, the extraction operation is hindered, and there are drawbacks in handling such as clothing and furniture due to splashing of the extract liquid generated by dropping the bag, indoor contamination, and the risk of burns.

  Accordingly, an object of the present invention is to solve the above-described problem, and a bag body having a filtering function is attached and locked inside a foldable rectangular paper body, and the In a dripper having a structure in which a content containing an extracted component such as regular coffee powder, green tea, or tea leaves of tea is filled and stored in a bag having a filtration function, the relationship between the bag and the cylindrical paper body An object of the present invention is to provide an easy-to-handle dripper by maintaining the stopped state.

  In order to solve the above-mentioned problem, the invention of claim 1 is composed of a cylindrical paper body that has folded portions at both ends and is folded into a substantially rectangular shape, and a bag body that has a filtering function. The bag body is inserted into the body, the opening edge substantially center facing portion of the bag body is folded outward, and is adhered to the outer surface of one opening edge approximately center facing portion of the cylindrical paper body, and the bag body In the dripper that detachably encloses the opening portion of the cylindrical paper body after being filled with the contents, the crease portion engraved at the upper end of the substantially central portion of one opening edge of the cylindrical paper body is outwardly seen in a plan view. The upper end of the bag body substantially opposite the center of the opening edge and bends outwardly in a <-shape facing outward in plan view. It is a dripper characterized by being able to be locked in a suspended state at the upper end.

  The invention of claim 2 comprises a cylindrical paper body that has folded portions at both ends and is folded into a substantially rectangular shape, and a bag body that has a filtering function, and the bag body is inserted into the cylindrical paper body. Then, each of the opening edges of the bag body is folded substantially outward, and is adhered to the outer surface of the opening edge of the cylindrical paper body, and the opening portion of the bag body is In a dripper that is detachably sealed after filling and containing, the upper end of the substantially central facing portion of the opening edge of the tubular paper body can be locked to the upper end of the substantially facing portion of the opening edge of the cylindrical paper body. A dripper provided with a locking portion comprising a plurality of serrated irregularities.

  The invention according to claim 3 is a plurality of sawtooth shapes in which the upper end portion of the substantially central facing portion of the opening edge of the outer folded bag body can be locked to the upper end portion of the one opening edge of the cylindrical paper body. The dripper according to claim 1, further comprising a locking portion formed of an uneven portion.

  The dripper according to the present invention hangs from the center of the upper end of the projecting flap to the upper end of the center of the opening edge of the cylindrical paper body, and the upper end of the center of the opening edge of the bag body can be locked in a suspended state. By engraving the ruled line, when pouring hot water for extraction, even if the sticking part of the opening edge substantially opposite the center of the opening edge of the bag body is peeled off, the folded ruled line is outward-shaped in a plan view. The upper end portion of the opposite end portion of the bag body is folded outwardly and bent into a <characteristic shape in a plan view outward direction to the upper end portion of the opposite cylindrical paper body that is bent into It becomes easier to maintain the outer folded state of the upper end portion, and braking occurs in a state where the bent portion of the upper end portion of the cylindrical paper body is sandwiched by the bent portion of the upper end portion of the bag body, to the upper end of the cylindrical paper body at the upper end portion of the bag body Can be prevented from falling during the extraction operation, and the tubular paper of the bag Inhibition of extraction due to falling from the hardly occurs, clothing and furniture by bouncing of the extract generated by dropping of the bag prevents indoor fouling and burns, and has an effect that it is easy to handle.

  In addition, the upper end of the substantially central facing portion of one opening edge of the cylindrical paper body is provided with a locking portion composed of a plurality of serrated irregularities that can lock the upper end portion of the opening facing the substantially central portion of the bag body. The surface of the nonwoven fabric or filter paper used for the bag body at the upper end portion of the opening edge of the bag body at the substantially center facing portion is a plurality of sawtooth shapes provided on the upper end of the one opening edge of the cylindrical paper body at the substantially center facing portion. The bag body is caught by the surface frictional resistance generated by the engaging portion made up of the concavo-convex portion, and the state in which the upper end portion of the bag body is suspended from the upper end of the cylindrical paper body is maintained, and the bag body falls during the above-described effect, ie, the extraction operation. Therefore, it is difficult for the extraction operation to be hindered by dropping the bag from the cylindrical paper, and the clothes and furniture caused by splashing of the extract that occurs when the bag is dropped may be damaged or burned in the room. This is advantageous in that it can be prevented and handled easily.

  Further, by combining the above-described configuration, that is, a crease hanging from the center of the upper end of the protruding flap is engraved on the upper end of the substantially central facing portion of one opening edge of the cylindrical paper body, and the upper end of each protruding flap By providing a latching portion consisting of a plurality of serrated irregularities on the edge, the suspended state of the upper end portion of the bag body to the upper end of the cylindrical paper body is more retained, and the bag body falls during the above-described effect, that is, the extraction operation. Therefore, it is difficult for the extraction operation to be hindered by dropping the bag from the cylindrical paper, and clothing and furniture, indoor dirt and burns due to the splashing of the extract that occurs when the bag is dropped. Can be prevented, and the effect that it is easy to handle is more manifested.

  The present invention will be described in detail below with reference to the drawings. FIG. 1 is a perspective plan view showing an embodiment of a dripper according to the present invention. FIG. 2 is a developed plan view of a cylindrical paper body used in the same embodiment. Fig.3 (a) is a top view of one Example of the bag body used for the dripper based on this invention. FIG. 4 is a perspective view for explaining the usage state of the embodiment. FIG. 5 is a perspective plan view showing another embodiment of the dripper according to the present invention. FIG. 6 is a developed plan view of a cylindrical paper body used in another embodiment.

  FIG. 1 is a perspective plan view showing an embodiment of a dripper according to the present invention. The dripper 1 has bent portions β at both ends and is bonded at an overlapping portion α (a portion indicated by a halftone dot in FIG. 1). Folded portions 21 and 21 ′ at a substantially central portion of the bent portion β at both side ends, a pair of protruding flaps 13 and 13 ′ (see FIG. 2) opposed to a substantially central portion of one opening edge, and the other opening edge A substantially rectangular tubular paper body 2 having a pair of engaging flaps 14 and 14 '(see FIG. 2) opposed to the substantially central portion of each, and side end engaging protrusions 15 and 15' on both side ends. A substantially inverted trapezoidal bag body 3 having a filtration function is inserted, and a pair of bag body top projecting pieces 30 and 30 provided at a substantially central portion of the upper end (see FIG. 3) of the bag body 3 are formed into the cylindrical shape. One opening of the cylindrical paper body 2 by contacting the protruding flaps 13 and 13 '(see FIG. 2) of the paper body 2 and bending it outward. Affixed to the outer surface of the upper end of the substantially central facing portion, so that the liquid level of the extract flowing down into the cup when drip can be confirmed on the facing surface of the cylindrical paper body 2 Windows 19 and 19 '(see FIG. 2) are provided.

  FIG. 2 is a developed plan view of the cylindrical paper body used in the dripper shown in FIG. 1. The cylindrical paper body 2 has a back auxiliary plate 12 ′, a front plate 11, and a back main plate 12 through creases L1 and L2. Protruding flaps 13 and 13 ′ which are sequentially connected and have arc-shaped shoulders protruding from the center portion of the front plate 11 and the substantially central portion of the back main plate 12 at the upper end edge orthogonal to the creases L 1 and L 2. Are formed on the lower edge perpendicular to the creases L1 and L2, and engaging flaps 14 and 14 'projecting from the central portion of the front plate 11 and the substantially central portion of the back main plate 12, and the creases L1, Side end engaging protrusions 15 and 15 'projecting symmetrically with respect to the extended lines of the creases L1 and L2 at the lower end edge perpendicular to L2 are formed (the engaging flaps 14 and 14' and the side ends). The lower end edges are inevitably formed by the engaging protrusions 15 and 15 '. Further, a substantially U-shaped cut line L3, L4 is formed in a substantially central part of each of the creases L1, L2 so as to be symmetrical with respect to the creases L1, L2. A substantially semicircular cutout portion 17, 17 ′ is formed by being drilled and connected to the cut lines L3, L4 on the upper edge side so as to be symmetrical with respect to the creases L1, L2, and Folded lines L5, L6 and L7, L8 are formed that are symmetrical with respect to the folded lines L1, L2 extending from both ends of the cut lines L3, L4 to the lower edge side and intersecting with the folded lines L1, L2, respectively. In addition, circular notches centering on intersections (not shown) of the creases L1 and the creases L5 and L6 and intersections (not shown) of the creases L2 and the creases L7 and L8, respectively. 18 and 18 ′ are formed by drilling, and the central portion of the front plate 11 is further formed. Substantially inverted trapezoidal window portions 19, 19 'are formed in a substantially central portion of the back main plate 12, and are suspended from the upper end central portion of the projecting flaps 13, 13' and are located on the upper sides of the window portions 19, 19 '. It is composed of a blank plate 2 ′ engraved with extending creases L9 and L10. From the blank plate 2 ′, the back main plate 12 is folded and folded on the front plate 11 at the crease L2, and then The back auxiliary plate 12 ′ is folded and folded on the back main plate 12 by the crease L1, and the overlapping portion α (see FIG. 1) between the back main plate 12 and the back auxiliary plate 12 ′ is adhesive or the like. The cylindrical paper body 2 can be obtained by joining with. The blank plate 2 'can be easily manufactured with a known punching machine.

  Further, as is apparent from FIG. 2, the folding portion 21 shown in FIG. 1 includes a cut line L3, a substantially semicircular cutout portion 17, folding lines L5 and L6, a circular cutout 18, and the cut line L3 and the circular shape. The fold portion 21 ′ is formed with a crease L 1 between the cut line 18, the cut line L 4, the substantially semicircular cutout portion 17 ′, the creases L 7 and L 8, and the circular cutout 18. And a crease L2 between the cut line L4 and the circular notch 18 '. As a material for forming the cylindrical paper body 2, for example, thick paper such as 200 to 340 g / m 2 of water-resistant card paper or ivory paper is suitable. Furthermore, one of the above-mentioned cardboard (the surface contacting the bag body 3) or both surfaces coated with a resin such as polyethylene may be used. By configuring in this way, hot water or steam can be used. Even when it is hung, it is possible to prevent a decrease in rigidity of the cylindrical paper body.

  Fig.3 (a) is a top view of one Example of the bag body used for the dripper based on this invention. FIG. 3B is a cross-sectional view taken along the line XX of FIG. 3A, and the bag 3 includes, for example, a roll-like long sheet having thermal adhesiveness, specifically, a modified polypropylene in the innermost layer. The folded filter paper having a three-layer structure is folded in the longitudinal direction to form the folded portion 33, or the folded portion 33 is folded in a W-fold (gusset fold) and overlapped, and predetermined portions on both sides are formed. After forming a portion to be thermally bonded by thermal bonding, and then cutting and / or punching, as shown in FIG. 3A, the thermal bonding portion has a protruding piece 30 at the upper center. 32 to form a bag 3 having an unbonded portion 34 at the upper portion. Next, the protruding piece 30 side is opened in the bag 3 by a suction plate or the like, and regular coffee powder, green tea or tea Contents containing extracted components such as tea leaves (Fig. (Hereinafter, referred to as “content”), and a predetermined position of the opening of the bag body 3 is thermally bonded as a peelable adhesive portion 32 (see FIG. 1), thereby the content (not shown). Can be produced. As shown in FIG. 3 (b), the bag body 3 has a folded portion 33 formed in a W-fold (gusset fold), and a folded portion 33 formed in a double fold (not shown). 3), the amount of contents can be increased, and when the hot water is poured into the bag body 3, the bottom of the bag body 3 is completely opened, so that the extract can be obtained efficiently. The manufacturing method of the bag body 3 described above shows one embodiment, and is not limited to this.

  The bag body 3 is not particularly limited as long as it is a material having a filtration function, but the material itself has thermal adhesiveness, or the innermost layer has thermal adhesiveness in consideration of processability when forming the bag body. What consists of a structure is preferable. For example, a non-woven fabric having water permeability such as olefin or ester such as polyethylene or polypropylene, or two layers having a layer containing a thermoplastic resin such as olefin or ester such as polyethylene or polypropylene in the innermost layer Or a filter paper having a three-layer structure can be exemplified.

  The bag body 3 is assembled to the cylindrical paper body 2 by inserting the bag body 3 into the cylindrical paper body 2 and providing a pair of projecting pieces 30, 30 provided at substantially the center of the opening edge of the bag body 3. One of the opening edges of the cylindrical paper body 2 is contacted with a pair of opposed projecting flaps 13 and 13 'provided at a substantially central portion of the cylindrical paper body 2, bent outward, and substantially opposite to the central opening edge of the cylindrical paper body 2. By sticking to the outer surface of the upper end of the part, the dripper 1 shown in FIG. 1 can be obtained. In addition, the location which sticks the protrusions 30 and 30 of the said bag 3 to the said cylindrical paper body 2 is the one opening edge side (upper edge side in FIG. 1) of the said cylindrical paper body 2 in FIG. It is desirable to have a substantially central portion, and this is because the protruding pieces 30 and 30 are adhered at the time of use, so that both side surfaces of the bag body 3 are lifted, the bag body 3 is surely opened, This is because it is suitable for extraction. The sticking between the cylindrical paper body 2 and the protruding piece 30 of the bag body 3 is appropriately selected from an adhesive such as a hot melt type, a solvent type, an aqueous type, a reaction type, and a pressure sensitive type. I can do it. Similarly, the adhesive for adhering the overlapping portion α (see FIG. 1) of the back main plate 12 and the back auxiliary plate 12 ′ of the blank plate 2 ′ of the cylindrical paper body is appropriately selected from the above-mentioned adhesives. Can be used. In the dripper 1, the windows 19 and 19 ′ are provided so that the liquid level of the extract flowing down into the cup when drip can be confirmed, but it is not indispensable.

  FIG. 4 is a perspective view for explaining the use state of the dripper according to the present invention. In use, the contents (not shown) containing the extracted components such as regular coffee powder, green tea and tea leaves are filled first. One center of the opening edge of the cylindrical paper body 2 to which the protruding pieces 30 and 30 of the bag body 3 of the dripper 1 composed of the cylindrical paper body 2 in which the stored bag body 3 is set is attached. The protruding flaps 13 and 13 ′ at the upper end of the opposing portion are pulled in a direction separating from each other, the peelable adhesive portion 32 that is peelably closed of the bag body 3 is peeled and opened, and the bag body 3 is opened to provide an opening. Further, folding portions 21, 21 ′ provided in the bent portions β on both side ends of the cylindrical paper body 2 are folded inward to keep the cylindrical paper body 2 open in a substantially spindle-shaped cylindrical shape in plan view. And the opening edge of the cylindrical paper body 2 on the substantially center facing portion Using the creases engraved on each, the substantially central facing portion of the opening edge of the cylindrical paper body 2 is bent in a <-shape outward in plan view, and then the central engaging protrusion of the cylindrical paper body 2 23, 23 'is in contact with the inner side of the cup peripheral wall, and the notch 28 is inserted into the cup peripheral wall so that the side end engaging protrusions 24, 24' of the cylindrical paper body 2 are in contact with the outer side of the cup peripheral wall, The lower end edge of the cylindrical paper body 2 is brought into contact with the upper end of the cup peripheral wall, and the dripper is placed and fixed on the cup as shown in the figure. Next, an appropriate amount of hot water is poured into the opening of the bag 3 to cause the desired extract to flow down into the cup, and the extract is drunk.

  In FIG. 4, folding lines L9 and L10 are formed by engraving from the upper end of the center of the opening edge of the cylindrical paper body 2, that is, from the center of the upper ends of the protruding flaps 13 and 13 'to the upper sides of the windows 19 and 19'. The opposite upper end of the cylindrical paper body 2 is bent in the shape of an outward shape in a plan view, and at the substantially center of the opening edge of the bag body 3 attached to the outer surface of the protruding flaps 13 and 13 ′. Since the upper end portions of the opposing portions are bent outwardly and bent outwardly in a plan view, the outer folded state of the upper end portion of the bag body 3 is easily maintained, and the upper end portion of the cylindrical paper body 2 is maintained. Braking occurs in a state where the outer bent portion of the upper end portion of the bag body 3 is clamped, and the upper end portion of the bag body 3 is held in a state of being suspended from the upper end of the cylindrical paper body 2 It is. With the above configuration, at the time of pouring hot water for extraction, hot water is applied to the sticking part, even if it becomes higher than the sticking temperature and the adhesive softens and may cause peeling of the sticking part, It is possible to prevent the bag 3 from falling during the extraction operation, and it is difficult for the extraction operation to be hindered due to the drop of the bag 3 from the cylindrical paper body 2. It can prevent clothes and furniture, indoor pollution and burns caused by jumping.

  FIG. 5 is a perspective plan view showing another embodiment of the dripper according to the present invention. The dripper 101 has bent portions β on both side ends and is bonded at an overlapping portion α (a portion indicated by a halftone dot in FIG. 5). Folded portions 121 and 121 ′ at a substantially central portion of the bent portion β on both side ends, a pair of protruding flaps 113 and 113 ′ (see FIG. 6) facing the substantially central portion of one opening edge, and the other opening A substantially rectangular tubular paper body 102 having a pair of engaging flaps 114, 114 '(see FIG. 6) facing the substantially central portion of the edge and side end engaging protrusions 115, 115' on both side ends. A substantially inverted trapezoidal bag body 103 having a filtering function is inserted into the bag body 103, and a pair of bag body top projecting pieces 130, 130 provided at substantially the center of the upper end (see FIG. 3) of the bag body 103 are connected to the cylinder. Abut each of the protruding flaps 113 and 113 ′ (see FIG. 6) of the paper body 102. And is attached to the outer surface of the upper end portion of the cylindrical paper body 102 which is bent substantially outward, and is drip on the opposite surface of the cylindrical paper body 102. Windows 119 and 119 ′ (see FIG. 2) are provided so that the liquid level of the extract flowing down can be confirmed.

  FIG. 6 is a development plan view of a cylindrical paper body used in another embodiment. The cylindrical paper body 102 is connected to the back auxiliary plate 112 ′, the front plate 111, and the back main plate 112 sequentially through the creases L101 and L102. In addition, the upper edge perpendicular to the creases L101 and L102 has arc-shaped shoulders protruding from the central portion of the front plate 111 and the substantially central portion of the back main plate 112, and from a plurality of serrated irregularities. Projecting flaps 113, 113 ′ having upper end portions are formed, and engaging flaps projecting from the central portion of the front plate 111 and the substantially central portion of the rear main plate 112 at the lower end edge perpendicular to the creases L 101, L 102. 114, 114 ′ and side end engaging projections 115 projecting symmetrically with respect to the extension lines of the creases L101, L102 at the lower end edges orthogonal to the creases L101, L102, 15 'is formed (the lower end edge is inevitably formed in the lower end cutout 116 by the engagement flaps 114, 114' and the side end engagement protrusions 115, 115 '), and the folding lines L101, L102 are further formed. A substantially U-shaped cut line L103, L104 is engraved in the substantially central part of each of the lines so as to be line-symmetric with respect to the creases L101, L102, and connected to the cut lines L103, L104 on the upper edge side. Cutout portions 117 and 117 ′ having substantially semicircular shapes are formed so as to be line-symmetric with respect to the creases L101 and L102, and extend from both ends of the cut lines L103 and L104 to the lower edge side. Folded lines L105, L106 and L107, L108 are formed which are line-symmetric with respect to the folded lines L101, L102 that intersect the folded lines L101, L102, respectively. Circular notches 108 centering on intersections (not shown) of the creases L101 and the creases L105 and L106 and intersections (not shown) of the creases L102 and the creases L107 and L108, respectively. 108 'is formed by drilling, and a blank plate 102' is formed by forming substantially inverted trapezoidal windows 119 and 119 'at the center of the front plate 111 and the center of the rear main plate 112. From the blank plate 102 ′, the back main plate 112 is folded and folded at the folding line L102 on the front plate 111, and the back auxiliary plate 112 ′ is then folded at the folding line L101 on the back main plate 112. The tubular paper body 102 can be obtained by folding the mountain and folding it, and joining the overlapping portion α (see FIG. 1) of the back main plate 112 and the back auxiliary plate 112 ′ with an adhesive or the like. That. The blank plate 102 'can be easily manufactured with a known punching machine.

  Further, as is apparent from FIG. 6, the folding portion 121 shown in FIG. 5 includes a cut line L103, a substantially semicircular cutout portion 117, creases L105 and L106, a circular cutout 118, and the cut line L103 and the circular shape. The fold portion 121 ′ is formed with a crease L101 between the cutout 118 and the cutout line L104, a substantially semicircular cutout portion 117 ′, the creases L107 and L108, and a circular cutout 118. And a crease L102 between the cut line L104 and the circular notch 118 '. As a material for forming the cylindrical paper body 102, for example, cardboard such as 200 to 340 g / m 2 of water-resistant card paper or ivory paper is suitable as in the above-described embodiment. Furthermore, one of the above-mentioned cardboard (the surface contacting the bag body 3) or both surfaces coated with a resin such as polyethylene may be used. By configuring in this way, hot water or steam can be used. Even when it is hung, it is possible to prevent a decrease in rigidity of the cylindrical paper body.

  Since the material, configuration, structure, and manufacturing method of the bag body 103 used in the other embodiments according to the present invention are the same as the material, configuration, structure, and manufacturing method of the bag body 3 used in the above-described embodiment, Description is omitted. Further, the assembly of the bag body 103 to the cylindrical paper body 102 is the same as the assembly of the bag body 3 to the cylindrical paper body 2 in the above-described embodiment, and thus the description thereof is omitted.

  Since the use state of the other embodiments of the dripper according to the present invention is substantially the same as that of the above-described one embodiment, the illustration is omitted. However, in use, first, the covering of regular coffee powder, green tea, tea leaves, etc. The cylindrical paper to which the projecting pieces 130 and 130 of the bag body 103 of the dripper 101 made of the cylindrical paper body 102 in which the bag body 103 filled with the contents containing the extract components is set are attached. Pulling the projecting flaps 113, 113 ′ of the body 102 away from each other, peeling off and opening the peelable adhesive portion 132 of the bag body 103 so as to be peeled off, and opening the bag body 103 to provide an opening, Folded portions 121 and 121 ′ provided on the bent portions β on both side ends of the cylindrical paper body 102 are folded inward to open the cylindrical paper body 102 in a substantially spindle-shaped cylindrical shape in plan view. Then, the central engagement protrusions 123 and 123 ′ of the tubular paper body 102 abut on the inner side of the cup peripheral wall, and the side end engagement protrusions 124 and 124 ′ of the tubular paper body 102 are in contact with each other. The notch 128 is inserted into the cup peripheral wall so as to abut the outside of the cup peripheral wall, the lower end edge of the cylindrical paper body 102 is brought into contact with the upper end of the cup peripheral wall, and the dripper 101 is placed and fixed on the cup. Next, an appropriate amount of hot water is poured into the opening of the bag 3 to cause the desired extract to flow down into the cup, and the extract is drunk.

  In the above-described use state, the upper end portion of the opening edge substantially central facing portion of the bag body 103 is folded outward, and is suspended on one opening edge substantially center facing portion upper end of the tubular paper body 102, that is, the protruding flaps 113 and 113 ′. And is attached to the outer surface of the upper end of one end of the cylindrical paper body 102 substantially at the center, and further comprises a plurality of serrated irregularities provided on the upper edges of the protruding flaps 113 and 113 ′. In the configuration in which the surface of the nonwoven fabric or filter paper used for the bag body 103 is hooked by the surface friction resistance to the engaging portion, the hot water is applied to the sticking part at the time of pouring hot water for extraction. Even if the adhesive becomes softer than the sticking temperature and the sticking part may be peeled off, the bag 103 can be prevented from falling during the extraction operation. Paper 1 Inhibition of extraction due to falling from 2 hardly occurs, clothing and furniture by bouncing of the extract generated by dropping of the bag 103, indoor soiling or burns can be prevented.

The function evaluation between the embodiment of the dripper according to the present invention and the conventional example will be described below.
Example 1
Samples that can be bent in a <characteristic shape in the outward direction in plan view at the crease formed on the upper end of the substantially opposite portion of the center of one opening edge of the cylindrical paper used for the dripper.
Example 2
The sample which provided the latching | locking part which consists of several sawtooth-shaped uneven | corrugated | grooved part in the upper end of the substantially center opposing part of one opening edge of the cylindrical paper body used for a dripper.
Conventional Example Sample not subjected to the processing of Examples 1 and 2 above.
Test conditions Insert a bag body into each of the above-mentioned cylindrical paper bodies, bring the protruding piece of the bag body into contact with the protruding flaps of the cylindrical paper body, fold it outward, and paste and bond it to the outer surface of the upper end of the cylindrical paper body Set the dripper to the top of the cup-shaped container, put a weight of 200 g in the bag body, apply a load, and measure the time it takes for the bag body to fall off the cylindrical paper body in a chamber of 100 degrees Celsius.
Results In the conventional example, the bag dropped from the cylindrical paper and dropped about 30 seconds after the test started.
In both Examples 1 and 2, the bag body did not fall off the cylindrical paper body and did not fall even after 5 minutes had passed since the start of the test.

  Although not shown in the drawings, by combining the above-described configuration, that is, a crease is engraved at the upper end of the substantially central portion of one opening edge of the cylindrical paper body, and a plurality of protrusions are provided at the upper end edge of each protruding flap. The combined structure of providing a latching portion consisting of serrated irregularities keeps the upper end of the bag body suspended from the upper end of the cylindrical paper body, and when hot water for extraction is poured, The bag body can be prevented from falling during the extraction operation even when the adhesive is softened and the adhesive is softened and the adhesive part may be peeled off. The obstruction of the extraction operation due to the fall of the body from the cylindrical paper body is unlikely to occur, and further, it is possible to prevent the clothes, furniture, indoors from being soiled or burned due to the splashing of the extract liquid generated when the bag is dropped.

The perspective top view which shows one Example of the dripper which concerns on this invention. The expansion | deployment top view of the cylindrical paper body similarly used for one Example. (A) The top view of the bag body used for the dripper concerning this invention. (B) The XX sectional view of a bag body similarly. The perspective view for explanation which shows the use state of the dripper concerning the present invention. The perspective top view which shows the other Example of the dripper which concerns on this invention. The expansion | deployment top view of the cylindrical paper body used for another Example similarly.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,101 Dripper 2,102 Cylindrical paper body 2 ', 102' Cylindrical paper body blank 3,103 Bag body 11,111 Front plate 12,112 Rear main plate 12 ', 112' Rear auxiliary plate 13,13 ', 113 , 113 ′ Protruding flaps 14, 14 ′, 114, 114 ′ Engaging flaps 15, 15 ′, 115, 115 ′ Side end engaging projecting pieces 16, 116 Lower end notch 17, 17 ′, 117, 117 ′ Cutout 18 , 18 ′, 118, 118 ′ Notches 19, 19 ′, 119, 119 ′ Windows L1, L2, L5 to L10 Folded lines L101, L102, L105 to L108 Folded lines L3, L4, L103, L104 Cut lines 21, 21 ′ , 121, 121 ′ Folding part 30, 130 Bag body top protruding piece 31, 131 Side heat bonding part 32, 132 Peelable heat bonding part 33, 133 Bag body bottom folding part α Overlapping part β Bending part

Claims (3)

It consists of a cylindrical paper body that has folded portions on both side ends and is folded into a substantially rectangular shape, and a bag body that has a filtration function, and the bag body is inserted into the cylindrical paper body, Fold the outer edge of the center of the opening, and stick it to the outer surface of the opening facing the center of one of the cylindrical paper bodies. In the dripper, the crease portion engraved at the upper end of the substantially central facing portion of one opening edge of the cylindrical paper body can be bent into a <-shape outward in plan view, and the opening edge of the bag body is substantially The upper end of the central facing portion is folded outwardly and bent in the shape of an outward shape in plan view, and can be suspended in a suspended state at the upper end of the substantially central facing portion of one opening edge of the cylindrical paper body. Dripper. It consists of a cylindrical paper body that has folded portions on both side ends and is folded into a substantially rectangular shape, and a bag body that has a filtration function, and the bag body is inserted into the cylindrical paper body, Fold the outer edge of the center of the opening, and stick it to the outer surface of the opening facing the center of one of the cylindrical paper bodies. In the dripper, a plurality of serrated irregularities that can be locked to an upper end portion of the substantially central facing portion of the opening edge of the bag body, on an upper end portion of the substantially central facing portion of the opening edge of the cylindrical paper body. A dripper provided with a locking portion. A latching portion comprising a plurality of serrated irregularities that can be latched with the upper end of the substantially center facing portion of the opening edge of the bag body, at the upper end of the one center of the opening edge of the cylindrical paper body. The dripper according to claim 1, wherein the dripper is provided.

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