JPH10216017A - Filter device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a filter device which can be stably fixed on a cup, and which can be easily installed. SOLUTION: A filter comprises a filter main body 1 to be placed on an upper surface of a container 9a such as a cup, and a bag body 5a to contain coffee, tea, etc., inside, so the bag body 5a is installed on the filter device main body 1 for brewed liquid to flow down into the container 9a by injection of hot water or the like into the bag body 5a. The filter device main body 1 is provided with a pair of holding parts 6 by which an upper part of the container 9a can be held on the outer side, and on the upper side of the holding part 6, a placement part to be applied to an aperture part upper edge of the container 9a is protruded.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a filter.
More specifically, the present invention relates to a disposable filter device for coffee, tea and the like.

[0002]

2. Description of the Related Art Conventionally, a filter tool comprising a filter tool body which can be placed on the upper surface of a container such as a cup and a bag body which can accommodate coffee, tea and the like has been widely used. In this type of filter, a filter tool main body is placed on the upper surface of a container, and hot water or the like is poured into the bag body to cause an extract to flow down into the container. As this type of filter,
No. 13324 is known. As shown in FIG. 15A, a conventional filtering device for coffee or the like described in the publication includes a main body 10 ′ formed to be annularly expandable from a pair of strips 11 ′, 11 ′, and a main body 10 ′. The main body 10 'is formed by bonding a band-shaped cardboard in a ring shape, crushing the band-shaped cardboard, and connecting the pair of strips 11' at a bent portion 16 '. Become. And both strips 1
At the center of the lower edge of 1 ', 11', a protruding piece 12 'is a strip 11'.
And the bent portion 16 of the strip 11 ′.
', An expanding piece 14' for fixing the expanded state is formed. As shown in FIG.
The filter 10 is attached to the cup a by expanding the main body 10 ', inserting the protruding piece 12' inside the cup a, and placing the main body 10 'on the upper edge of the cup a.

[0003]

In the filter device of the above publication, since the filter device is merely placed on the cup a, the filter device is fixed so that the filter device does not move during extraction on the cup a. And the stability of the filter is poor.

A filter for coffee or the like placed above a container such as a cup with good stability is disclosed in Japanese Patent Publication No. 61-36.
No. 93 is disclosed. The filter device body described in the publication is provided with a band-shaped substrate provided at both ends with holding means including an inner holding piece and an outer holding piece for attaching to a cup, and attached to a central portion of the substrate. And a filter paper bag. The filter tool is attached by sandwiching the edge of the cup from inside and outside by raising both ends, inserting the inner holding piece inside the edge of the cup, and simultaneously aligning the outer holding piece along the outer surface of the edge of the cup.

However, as described above, since the filter is raised at both left and right ends, and the cup is sandwiched between the inner holding piece and the outer holding piece, there is a problem that the mounting operation is complicated.

[0006] The present invention has been made to solve the above problems, and an object of the present invention is to provide a filter which can be fixed stably to a cup and which can be easily attached. .

[0007]

According to the first aspect of the present invention, there is provided a filter device comprising: a filter device main body 1 which can be placed on the upper surface of a container 9a such as a cup; A bag 5a capable of accommodating coffee, tea, and the like, and when the filter tool main body 1 is placed on the upper surface of the container 9a, hot water or the like is poured into the bag 5a to filter the extract to flow down into the container. A filter device in which the bag body 5a is attached to the filter main body 1. The filter device main body 1 is provided with a pair of holding portions 6 capable of holding an upper portion of the container 9a from the outside. A mounting portion 3a is provided on the upper side of the portion 6 so as to be in contact with the upper edge of the opening of the container 9a. Thus, the container 9a is
Since the upper part is clamped and the placing part 3a located above the clamping part 6 is placed on the upper edge of the opening of the container 9a, the filter device main body 1 can be stably attached to the container 9a.

In the filter device of the present invention, the filter device main body 1 is formed so as to be able to expand from a pair of strips 2 in a ring shape. The holding portion 6 is provided, and the mounting portion 3a is provided above the holding portion 6 so as to be bendable on the other band piece 2 side and is provided so as to be able to contact the upper edge of the container 9a. Is preferred. As described above, since the placing section 3a is formed by bending, the placing section 3a is formed.
Can be easily manufactured. In addition, the amount of the extract that has flowed into the container 9a from the gap between the mounting portion 3a and the container 9a formed when the holding portion 6 is bent can be seen as appropriate.

According to a third aspect of the present invention, there is provided a filter device, wherein a window portion 7 is provided in the filter device main body 1 and has a fixed gap with a lower edge 7a of the window portion 7. 3a is preferably provided. By providing the mounting portion 3a with a certain gap in this way, even a person with a thick finger can easily bend the mounting portion 3a with a fingertip.

In the filter device of the present invention, it is preferable that the bent portion 2a of the filter device main body 1 is provided with a leg portion 2b for supporting the container. Even when a force is applied in the direction of the bent portion 2a of the main body 1, the leg 2b abuts on the container, so that the filter device main body 1 can be stably fixed to the container.

[0011] According to a fifth aspect of the present invention, there is provided a filter.
It is preferable that the strip 2 is formed thick so as to return to the original shape when the strip 2 is expanded. Thereby, the strip 2 can more strongly clamp the container 9a by its restoring force. Here, forming thickly means that the strip 2 is reinforced so that the strip 2 has a restoring force. Specifically, the inside or the outside of the strip 2 is made of plastic and has shape memory characteristics. The band 2 can be formed thick by attaching a material or the like, folding the upper portion of the band 2, and the like. Above all, by folding the upper part of the strip 2
, The restoring force can be given by the strip 2 by an easy manufacturing method.

[0012] According to a sixth aspect of the present invention, there is provided a filter device.
It is preferable that a handle 11 for picking and carrying the filter tool main body 1 be provided at the bent portion 2a of the filter tool main body 1, respectively. This makes it easier to mount the filter main body 1 on the cup 9.

According to a seventh aspect of the present invention, there is provided a filter device,
A knob 11a for opening the filter bag 5 at the upper edge of the strip 2
Are more preferably provided. Thereby, even when the upper part of the filtration bag 5 is stuck and sealed, the filtration bag 5 can be easily opened.

[0014] According to the eighth aspect of the present invention, there is provided a filter.
It is more preferable that a guide notch 14 for guiding the handle 13 of the cup 9 be provided on one of the pair of holding portions 6. Thus, even when the cup 9 has the handle 13, the grip 13 can be guided by the handle 13, and the filter can be stably mounted on the cup 9.

According to a ninth aspect of the present invention, there is provided a filter device,
The placing portion 3a is composed of the placing piece 3, and a fold line as a valley fold line 3c is formed on the placing piece 3. Thereby, the mounting piece 3 is folded inward at the same time as the filter device main body 1 is expanded in a ring shape, and the mounting portion 3a is easily formed.

According to a tenth aspect of the present invention, there is provided a filtering device, wherein a window portion 7 is provided in the filtering device main body 1. In the mounting piece 3 shown in FIG. Arc-shaped ruled lines 3 with arc-shaped cut lines interposed between them
When the d is bent inward, the force for returning to the outside is prevented, and the inward arc shape is maintained, so that the mounting piece 3 is moved to the container 9a.
Therefore, the filter main body 1 can be stably mounted on the container 9a.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a filter device according to the present invention will be described with reference to FIG. The filter body 1 has a form in which two strips 2 are connected to each other at bent portions 2a at both ends. Specifically, the filter main body 1 is formed by connecting a sheet of a rigid material such as a belt-shaped cardboard, a waterproofed paper, a plastics sheet or the like in a ring shape, and bending the ring-shaped sheet into the bent shape. By folding at the portion 2a, the two strips 2 are formed so as to expand in a ring shape. Here, since the filtering tool main body 1 (band piece 2) is made of a material having a restoring force, the two band pieces 2 and 2 are directed to each other to return to the original folded state when expanded. Power works. Each of the strips 2 is provided with a holding piece 4 protruding from the center lower end. When the both strips 2 and 2 are expanded and the filter tool main body 1 is placed so as to hold the cup 9, The pair of holding pieces 4, 4 and the strips 2, 2 near the upper side of the pair of holding pieces 4, 4.
Thereby, the cup 9 is securely held. Here, the holding piece 4 and a part of the strip 2 located near the upper side of the holding piece 4 are:
When the filter device main body 1 is attached to the cup 9, an inner surface thereof abuts on an upper side surface of the cup 9, and functions as a holding portion 6 for holding the cup 9.

A holding piece 4 is provided near the lower center of the strip 2, and a window 7 is provided on the strip 2 above the holding piece 4. Further, a notch 8 is provided so as to leave a certain gap with the lower edge 7a of the window 7, and a cut line 3b is provided above the notch 8b in the lateral direction of FIG. Then, in a region surrounded by the cut line 3b and the upper edge of the notch 8,
A mounting piece 3 that can be bent in the valley direction (the other strip 2 side) is formed. The mounting piece 3 has a valley folding line 3 at the center.
c is provided, and mountain fold lines 3d, 3d are provided at both ends.
Are provided so that the mounting piece 3 can be easily and reliably bent. In order to reliably bend at an appropriate position, as shown in FIG.
May be provided with a notch 8a or a notch in the bent portion of.

The strip 2 thus constructed is
Attaching portions 5b of bags 5a (hereinafter, referred to as filtration bags 5) made of filter paper or the like are respectively attached to the vicinity of the central portion of each of them, and the filtration bags 5 are attached to the strip 2. Thus, since the filter bag 5 is attached near the center of the strip 2,
When coffee powder or the like is stored in the filter bag 5, the cup 9
Since the filter bag 5 is located near the center of the interior, the force holding the cup 9 by the weight of the filter bag 5 containing the coffee powder and the like is further increased.

Next, a method of using the filtering device configured as described above will be described with reference to FIG. First, both band pieces 2 and 2 are expanded and formed into an annular shape, and the filter device main body 1 is attached to the cup 9 such that the inner surface of the holding portion 6 abuts on the outer surface of the upper portion of the container 9a such as the cup 9. Cup 9 like this
After the filter main body 1 is attached to the mounting portion 3, the vicinity of the center of the mounting piece 3 is pushed, and the mounting piece 3 is protruded inward of the cup 9 to form the mounting portion 3 a. At that time, valley fold line 3c, mountain fold line 3
Since d and 3d are provided, the mounting portion 3a can be formed easily and reliably. After the mounting portion 3a is formed, the lower edge of the mounting portion 3a is brought into contact with the upper edge of the opening of the cup 9, so that the filter device main body 1 is mounted on the cup 9 and fixed. After the filter device main body 1 is placed on the cup 9 in this manner, a predetermined bag such as coffee powder, black tea or the like is stored in the filter bag 5 and hot water or the like is poured into the filter bag 5 to extract the extract. Flow down into cup 9.

As described above, since the holding portion 6 is provided on the filtering device main body 1, the filtering device main body 1 can be held by the cup 9 and fixed in an expanded state. Furthermore, since the mounting piece 3 is provided on the filtering tool main body 1, by mounting the mounting piece 3 on the upper edge of the opening of the cup 9, the stability of the filtering tool main body 1 and the cup 9 is increased. . Further, by protruding the mounting piece 3 inward, the inside of the cup 9 can be seen from the gap between the mounting piece 3 and the upper edge of the cup 9. It can be confirmed without removing from the cup 9. When the mounting piece 3 is bent inward and projected, the notch 8 is provided, so that even a person with a thick finger can easily bend the mounting piece 3 to form the mounting portion 3a. can do. In the window 7, if a notch is also provided above the mounting piece 3,
Since the window 7 is widened, the effect that the amount of the extract flowing down into the cup 9 becomes more visible can be obtained.

As shown in FIG. 3, when the filter of the present invention is used for a cup for tea or the like in which the upper edge is opened outward and has a flange, the cutout 8 is provided. The cup flange (upper edge) 9b enters the cutout 8 and can be placed on the cup 9 in a stable state in the vertical direction.
That is, when the holding portion 6 holds the outer surface of the cup 9 and the upper edge of the cup enters the cutout portion 8, the holding portion 6
The upper edge (corresponding to the lower edge 7a of the window portion 7) abuts on the upper edge of the cup opened to the outside.
Even if an upward force is applied, the filter body 1 does not incline or fall off the cup 9.

[0023]

FIG. 4 shows a first modification of the filtering device of the present invention, in which legs 2b are provided at lower ends of bent portions 2a of the filtering device main body 1, respectively.
With the provision of the legs 2b in this manner, it is difficult to incline even in the vertical direction of the filtering unit main body 1, and the filtering device main body 1 can be fixed to the cup 9 stably.

[0024]

[Modification 2] FIG. 5 shows a modification 2 of the filter device of the present invention, in which a sheet 10 as a reinforcing material made of plastic or a material having shape memory characteristics is adhered to the inside and outside of the strip 2. By doing so, when opening both strips 2, 2,
This is to increase the restoring force of the strip 2 to return to the folded state. In addition, even if the upper part of the strip | belt 2 is turned up and formed thick, the restoring force which tries to return the strip | belt 2 to the folded state at the time of opening the strip | belt 2 can be strengthened similarly to the above.

[0025]

FIG. 6 shows a third modification of the filter device of the present invention. The filter device body 1 in which the holding piece 4 is not provided on the band 2 is used as the filter device main body 1. In this case, the band 2 has a lower inner surface in contact with the cup 9 and a holding portion 6 for holding the cup 9.
Becomes By forming in this manner, the structure can be simplified. In this case, if the lower part of the strip is folded in two and formed thick, the cup 9 can be strongly clamped.

[0026]

[Modification 4] FIG. 7 shows a modification 4 of the filter device of the present invention, in which handles 11 and 11 are provided on a pair of bent portions 2a and 2a, respectively, and a folding line as a valley fold line 3c is formed on the mounting piece 3. The processing tool is provided so that the filtering tool can be more easily set in the cup 9. When the handle 11 is picked up and the filtering tool body 1 is expanded in a ring shape, the mounting piece 3 is bent inward from the folding line. The filter is easily placed on the cup 9.

[0027]

FIG. 8 shows a fifth modification of the filter device of the present invention, in which knobs 11a are provided on the upper portions of a pair of strips 2, respectively, and the knobs 11a, 11a are flat. The filtering tool main bodies 1 are arranged alternately in a folded state so as not to overlap with each other. Further, as shown in FIG. 9, the filter bag 5 is folded in two, and the upper portion 12 and the side portions thereof are adhered to each other so that powder such as coffee does not spill. With such a configuration, when the knobs 11a, 11a are pinched and the strips 2, 2 are expanded as shown in FIG. 10, the upper portion 12 of the filter bag 5 is peeled off, and the filter bag 5 is removed. It can be easily opened.

[0028]

[Modification 6] FIG. 11 shows a modification 6 of the filter device of the present invention.
The knobs 11a, 11a of the filter main body 1 are formed so as to overlap each other in a state where the filter main body 1 is folded, and the mounting portions 5b of the filter bag 5 are attached to the inner surfaces of the knobs 11a, 11a, respectively. It is configured to be attached. By forming in this manner, the external appearance of the filter can be improved.

[0029]

[Modification 7] FIGS. 12 and 13 show a modification 7 of the filter device of the present invention.
3 (see FIG. 8), the guide notch 14 is provided at a position corresponding to the guide notch 3.
The filter can be placed on the cup 9 while being guided to the cup 9, so that the filter can be further stably supported by the cup 9. 12 and 13, reference numeral 15 denotes an arc-shaped cut line inserted between the holding piece 4 and the mounting piece 3, and 16 denotes a platform inserted between the holding piece 4 and the mounting piece 3. The cutting lines of the shapes are respectively shown.

[0030]

According to the filtering device of the present invention, the upper portion of the container can be clamped by the clamping portion, and the placing portion located above the clamping portion can be placed on the container and attached. Can be stably attached to the container. In addition, since the filter device can be attached to the container simply by expanding the filter device body and holding the container and fixing the mounting portion to the upper edge of the container,
Installation work is easy.

[Brief description of the drawings]

FIG. 1 is a perspective view showing one embodiment of a filtering device of the present invention.

FIG. 2 is a view showing a use aspect of the filter device of the present invention.

FIG. 3 is a partial side view for explaining another use mode of the filter device of the present invention.

FIG. 4 is a perspective view showing a first modification of the filtering device body of the present invention.

FIG. 5 is a perspective view showing Modification Example 2 of the filtering device main body of the present invention.

FIG. 6 is a perspective view showing Modification Example 3 of the filtering device main body of the present invention.

FIG. 7 is a perspective view showing Modification Example 4 of the filtering device main body of the present invention, showing a state in which handles are provided on a pair of bent portions, respectively.

FIG. 8 is a perspective view showing Modification Example 5 of the filter device main body of the present invention, and showing a state in which a filter device provided with a knob portion on each of a pair of strips is placed on a cup.

FIG. 9 is a cross-sectional view of a filter bag used in a filter device main body according to Modification Example 5 of the present invention.

FIG. 10 is an explanatory diagram showing a usage mode of a filtering device of Modification Example 5 of the present invention.

FIG. 11 is a perspective view showing Modification Example 6 of the present invention, showing a state in which a filter bag attaching portion is attached to a knob of the filter device main body.

FIG. 12 is a plan view showing Modified Example 7 of the present invention and showing a state where the main body of the filtration bag is viewed from one side of the band.

FIG. 13 is a plan view showing Modification Example 7 of the present invention, showing a state where the main body of the filtration bag is viewed from the other band side.

FIG. 14 is a front view showing a modification of the filtering device main body shown in FIG. 1;

FIGS. 15A and 15B show an example of a conventional filtering device, in which FIG. 15A is a perspective view showing the filtering device, and FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Filtration tool main body 2 Strip 2b Leg 3 Placement piece 3a Placement part 4 Nipping piece 5 Filtration bag 5a Bag body 6 Nipping part 7 Window 8 Notch 9 Cup

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hideyuki Koizumi 4-16-11 Takaden, Asahi-ku, Osaka-shi, Osaka Inside Kanae Corporation (72) Inventor Kazuya Okamoto 4--16, Takaden, Asahi-ku, Osaka-shi, Osaka No. 11 Inside Kanae Co., Ltd.

Claims (10)

[Claims] 1. A container (9a) such as a cup and the like, a filter tool body (1) that can be placed on the upper surface, and a bag (5a) that can store coffee, tea, etc. inside, and the upper surface of the container (9a). The bag body (5a) is attached to the filter body (1) so that the extract can flow down into the container by pouring hot water or the like into the bag body (5a) when the filter body (1) is placed on the bag body. A filter tool, wherein the filter tool body (1) includes a container (9a).
A pair of holding portions (6) capable of holding the upper portion from the outside is provided, and a container (9) is provided above the holding portion (6).
A filter device characterized in that a mounting portion (3a) that can be brought into contact with the upper edge of the opening in (a) is protruded. 2. The filter tool main body (1) is formed so as to be annularly expandable from a pair of strips (2), and each of the strips (2) has a center portion at the holding portion (6). ), And can be bent toward the other strip (2) side so that the mounting portion (3a) can contact the upper edge of the container (9a) above the holding portion (6). The filtering device according to claim 1, wherein the filtering device is provided in a filter. 3. The mounting portion (3a), wherein a window (7) is provided in the filter device main body (1) and has a fixed gap with a lower edge (7a) of the window (7). Claim 2 provided with
The filtering device according to the above. 4. A bent portion (2a) of the filter device main body (1).
4. The filtering device according to claim 3, further comprising a leg (2b) for supporting the container. 5. The belt strip (2) is formed thick so as to return to its original shape when it is expanded.
The filtering device according to any one of the above. 6. A bent portion (2a) of the filter device main body (1).
Handle (1) for holding the filter device body (1)
3. The filter according to claim 2, wherein 1) is provided. 7. A filter bag (5) on the upper edge of said strip (2).
3. The filter according to claim 2, further comprising knobs (11a) for opening the opening. 8. The filter according to claim 2, wherein at least one of the pair of holding portions is provided with a guide notch guided by a handle of a cup. 9. The filter according to claim 3, wherein the placing portion (3a) comprises a placing piece (3), and the placing piece 3 is formed with a fold line as a valley fold line (3c). Utensils. 10. The filtering device according to claim 2, wherein a window (7) is provided in the filtering device main body (1), and a mounting piece (3) is provided below the window.