TWM525698U - Filter cup - Google Patents

Abstract

A filter cup including a paper tube, a water proof layer and a filter layer is provided. The paper tube includes an inlet opening and at least a filter opening. The water proof covers the inner surface and the outer surface of the paper tube, and the filter layer covers the filter opening, the inlet opening is adapted to flow in a fluid, so as to let the fluid flow out of the filter through the filter opening and the filter layer.

Description

Filter cup

The present invention relates to a filter cup, and more particularly to a filter cup having a paper tube.

Filtration technology has been widely used in various fields in people's lives, and is one of the indispensable technologies in the production of food and beverages, for example. For example, in the production process such as tea and coffee, which needs to be brewed and cooked, it is necessary to carry tea or coffee powder through a filter device such as a filter paper or a filter to extract tea or coffee for use. You can taste good tea or coffee.

In the prior art, a special container (for example, a teapot) or a filter made of a metal material or a polymer resin material is often required to complete the above filtering step. However, the above tool is inconvenient for people to carry, and also It's costly, so people can't make drinks anytime, anywhere.

In order to meet the convenience that people need, the tea bag of the prior art can provide a convenient carrying function. However, since the tea bag does not provide sufficient space for the tea to unfold, the existing tea bag can only contain tea leaves or tea stalks, resulting in quality sacrifice. At the same time, since the tea bag will seal the tea leaves, the user can only brew the contents pre-placed in the tea bag, and the quality of the brewed food will decrease with time.

On the other hand, in the existing coffee, there is a technology such as a filter-type coffee bag that can be enjoyed anytime and anywhere. However, the filter bag provided by such a filter-type coffee bag can be used at most once, and the filter bag is erected at the same time. When it is placed on the container, it is also easily affected by the opening size of the container, which makes it difficult to brew.

The novel creation provides a filter cup that provides good flow space as well as filtration and extraction while reducing cost.

The filter cup of the novel created embodiment includes a paper tube body, a waterproof layer, and a filter layer. The paper tube body includes an injection port and at least one filter port. The waterproof layer covers the inner surface and the outer surface of the paper tube body, and the filter layer covers the filter port, and the injection port is adapted to flow into a fluid, so that the fluid flows out of the filter cup through the filter port and the filter layer.

In an embodiment of the present invention, the filter layer is bonded to a portion of the waterproof layer on the inner surface of the paper tube.

In an embodiment of the present invention, the cross-sectional area of the paper tube adjacent to the injection port is larger than the cross-sectional area of the paper tube adjacent to the filter port.

In an embodiment of the present invention, the outer surface of the paper tube is a tapered surface.

In an embodiment of the present invention, the paper tube body further includes a blocking structure disposed adjacent to an outer surface of the population.

In an embodiment of the novel creation, the barrier structure surrounds the paper tube.

In an embodiment of the novel creation, the filter layer forms a filtering plane.

In an embodiment of the novel creation, the filter layer forms a filter concave surface.

In an embodiment of the novel creation, the waterproof layer covers the paper tube.

In an embodiment of the present invention, the paper tube body further includes a paper bottom plate disposed at one end of the paper tube body relative to the population, and the filter port is formed on the paper bottom plate, and the waterproof layer is coated with paper. The surface of the bottom plate.

In an embodiment of the present invention, the paper tube body surrounds an internal space, and the internal space is located between the injection port and the filter port, and the flow space is adapted to allow fluid to flow.

Based on the above, the filter cup of the embodiment of the present invention can be supported by a paper tube body, thereby providing a good fluid flow space for accommodating the mixed fluid to be filtered. On the other hand, the filter cup described above can be reused and increased in durability by the paper tube body, which further reduces the manufacturing cost.

The above described features and advantages of the present invention will become more apparent and understood from the following description.

1A and FIG. 1B are perspective views of a filter cup according to a first embodiment of the present invention, wherein FIGS. 1A and 1B each illustrate opposite ends of the filter cup, thereby clearly illustrating the first implementation of the novel creation. The position of each component in the filter cup of the example is not intended to limit the creation of the novel. Referring to FIG. 1A and FIG. 1B together, in the first embodiment of the present invention, the filter cup 100 includes a paper tube body 110, a waterproof layer 120 and a filter layer 130, and the paper tube body 110 includes an injection port 112 and a filter port. 114. The waterproof layer 120 covers the inner surface 111 and the outer surface 113 of the paper tube 110, and the filter layer 130 covers the filter port 114.

2 is a cross-sectional view showing the filter cup of the first embodiment of the present invention placed on a container. Specifically, in the filter cup 100 of the present embodiment, the waterproof layer 120 and the paper tubes 110 covered by the waterproof layer 120 on the surfaces 111 and 113 form a waterproof structure, and the injection port 112 is formed by the paper tube 110 and filtered. Port 114 is at both ends. The filter layer 130 disposed on the filter port 114 provides a filtering effect between the inner space of the paper tube body 110 and the outside, and the injection port 112 directly communicates with the inner space of the paper tube body 110 to the outside, so that the fluid 52 can be self-injected into the port 112. The inflow flows out through the filter port 114 and the filter layer 130 to the outside of the filter cup 100.

Since the paper tube body 110 of the filter cup 100 of the present embodiment provides appropriate material rigidity, the paper tube body 110 can well form and support an internal space S. The interior space S of the paper tube 110 is adapted to be injected and filtered into a mixture 50, wherein the mixture 50 comprises a fluid 52 and a content 54, and the filter layer 130 is adapted to filter out the contents 54 from the mixture 50 and pass the fluid 52. Flows into the container 40. Therefore, the filter cup 100 of the present embodiment can provide a good filtering effect.

For example, the content 54 included in the mixture 50 injected in the inner space S of the filter cup 100 of the present embodiment is, for example, tea leaves, and the fluid 52 is, for example, water, so the filter cup 100 can appropriately accommodate the container 40. Filtered fluid 52.

On the other hand, Fig. 2B is another schematic cross-sectional view of the filter cup according to the first embodiment of the present invention when placed on a container. Referring to FIG. 2B, since the surfaces 111 and 113 of the paper tube 110 of the filter cup 100 of the present embodiment are covered with the waterproof layer 120, the filter cup 100 can be immersed in the filtered fluid 52 without being softened or damaged. . Therefore, when the filter cup 100 of the present embodiment is immersed in the fluid 52 in the container 40, the internal space S formed by the paper tube body 110 allows the mixture 50 to flow therein, thereby allowing the contents 54 such as tea leaves to be Extend and fully contact the fluid 52.

Therefore, the filter cup 100 of the present embodiment not only provides a good filtering and extraction effect, but also improves its durability, while reducing the overall cost.

In detail, referring to FIG. 2A, in the first embodiment of the present invention, the paper tube body 110 has a circular cross section, for example, but the present invention is not limited thereto. In other embodiments, the paper tube body 110 may be a cross section having, for example, a quadrilateral or a polygonal shape.

Further, the cross-sectional area of the paper tube 110 of the present embodiment near the injection port 112 is larger than the cross-sectional area of the paper tube 110 close to the filter port 114. Therefore, the filter cup 100 of the present embodiment is substantially from the injection port 112 to the filter port 114. There is a design that is retracted so that one end of the filter cup 100 having the filter port 114 can be easily placed into the container. At the same time, the gradually expanding paper tube 110 can also allow the filter cup 100 to be properly secured to the container 40. That is to say, the filter cup 100 of the present embodiment can be fixed to various containers of different sizes by the side wall expanded from the filter port 114 to the injection port 112 to provide a good filtering effect.

The outer surface 113 of the paper tube body 110 of the present embodiment has a tapered surface, that is, a slope is formed between the injection port 112 and the filter port 114 to guide the fluid 52, so that the fluid 52 can flow to the filter port 114. In detail, the filter cup 100 provides a larger injection port 112 to facilitate fluid injection by the user while the tapered surface design allows fluid to be concentrated onto the filter layer 130 of the filter port 114. Thus, for example, the contents 54 of tea or coffee can be sufficiently immersed in the fluid 52.

In detail, referring to FIG. 2A , the paper tube body 110 of the present embodiment further includes a blocking structure 116 disposed adjacent to the outer surface 113 of the injection port 112 . The blocking structure 116 protrudes from the outer surface 113 , so that the filter cup 100 can It is fixed to the container 40. Referring again to FIG. 1A, the barrier structure 116 of the present embodiment surrounds the paper tube body 110 to provide a stable fixing effect.

On the other hand, referring to FIG. 2A, in the first embodiment of the present invention, the waterproof layer 120 covers the paper tube body 110 to form a good waterproof structure, but the creation of the present invention is not limited thereto. In other embodiments, the outer surface of the filter cup may be coated with a waterproof layer only on the portion near the filter end, and the user may adjust the processing or appearance requirements.

The filter layer 130 of the filter cup 100 is adhered to a portion of the waterproof layer 120 on the inner surface 111 of the paper tube 110, so that the filter layer 130 can cover the filter port 114. Specifically, the waterproof layer 120 and the filter layer 130 of the present embodiment are formed of, for example, a polymer waterproof material. More specifically, the material of the waterproof layer 120 and the filter layer 130 is, for example, polyethylene (PE), and the filter layer 130 is fixed to the paper tube 110 and the waterproof layer 120, for example, by heating the PE film at a high temperature, but New creations are not limited to this. In other embodiments of the present invention, the waterproof layer 120 may be made of polypropylene (Polypropylene, PP) or polylactic acid (PL), and the adhesion between the filter layer 130 and the waterproof layer 120 may be borrowed. The present invention is not limited to this by other methods such as ultrasonic waves suitable for heating or bonding.

Referring to FIG. 2A, the filter layer 130 of the present embodiment forms a filtering plane. Therefore, the filter layer 130 of the present embodiment, together with the paper tube body 110, can form a good internal space S for the contents 54 such as tea leaves to move therein. In particular, during the filtration of the mixture 50, the filter layer 130 forming the filtration plane also provides a partial load bearing effect to carry the mixture 50, thereby allowing the mixture 50 to be internal between the injection port 112 and the filter port 114. The space S flows, but the novel creation is not limited to this.

Figure 3 is a cross-sectional view showing the filter cup of the second embodiment of the present invention placed on a container. Referring to FIG. 3, the filter cup 100A of the second embodiment of the present invention is substantially identical to the filter cup 100 described above, except that the filter layer 130A of the present embodiment forms a filter concave surface. Specifically, the filter layer 130A of the present embodiment may additionally form a small filter container to filter the mixture 50A, so that, for example, when the user wants to brew coffee, the content 54A of the coffee powder, for example, may be more concentrated on the filter layer 130A. The bottom end, in turn, allows the filtered fluid 52A to achieve the desired extraction effect by the user. In brief, the filter cup 100A of the present embodiment can be applied to the technology of hand coffee.

4 is a schematic cross-sectional view showing a filter cup according to a third embodiment of the present invention when placed on a container. The filter cup 100 of the embodiment of the present invention is not limited to the above-described shape that is retracted from the injection port 112 toward the filter port 113. Referring to FIG. 4, in the third embodiment of the present invention, the outer shape of the paper tube body 110B is cylindrical, that is, the size of the injection port 112B is substantially the same as the size of the filter port 113B, thereby providing a larger interior. The space for the mixture to be filtered flows, and the larger filter layer 130B can increase the filtration efficiency.

On the other hand, referring to FIG. 1B, in the first embodiment of the present invention, the paper tube body 100 further includes a paper bottom plate 118 disposed at one end of the paper tube body 110 with respect to the injection port 112, and the filter port The paper substrate 118 is formed on the paper substrate 118. Referring to FIG. 2A again, the waterproof layer 120 of the filter cup 100 of the present embodiment further covers the surface of the paper substrate 118. Therefore, the paper substrate 118 and the waterproof layer 120 can also form a good waterproof structure. The filter layer 130 can be bonded to the waterproof layer 120 on the paper substrate 118 to cover the filter port 114. Briefly, the paper substrate 118 provides a more convenient surface for the filter layer 130 to bond while also increasing the structural strength of the filter layer 130, but the novel creation is not limited thereto.

Figure 5 is a perspective view of a filter cup in accordance with a fourth embodiment of the present invention. Referring to FIG. 5, in the fourth embodiment of the present invention, the paper substrate 118C of the filter cup 100C can further form a plurality of filter ports 114 for covering the filter layer 130C, and the paper substrate 118C can further strengthen the paper of the filter layer 130C. strength.

In summary, the paper tube of the filter cup of the embodiment of the present invention can form a stable internal space for the mixture to be filtered to flow, and the waterproof layer covering the surface of the paper tube body provides a good protection effect, and further Allow the filter cup to be immersed in the liquid. On the other hand, the filter layer can be directly bonded to the waterproof layer, so that the filter layer can be well fixed to the filter port. On the other hand, the filter cup described above can be reused and increased in durability by the paper tube body, which further reduces the manufacturing cost.

Although the novel creation has been disclosed above by way of example, it is not intended to limit This new type of creation, any person with ordinary knowledge in the technical field, can make some changes and refinements without departing from the spirit and scope of this new creation. Therefore, the scope of protection of this new creation should be attached to the scope of patent application. The definition is final.

S‧‧‧Internal space

40‧‧‧ Container

50, 50A‧‧‧ mixture

52, 52A‧‧‧ fluid

54, 54A‧‧‧ contents

100, 100A, 100B, 100C‧‧‧ filter cups

110, 110B‧‧‧paper tube

111‧‧‧ inner surface

112, 112B‧‧‧Injection

113‧‧‧ outer surface

114, 114B‧‧‧ filter port

116‧‧‧Block structure

118,118C‧‧‧paper bottom plate

120‧‧‧Waterproof layer

130, 130A, 130B, 130C‧‧‧ filter layer

1A and 1B are perspective views of a filter cup in accordance with a first embodiment of the present invention.

2A and 2B are schematic cross-sectional views showing a filter cup according to a first embodiment of the present invention when placed on a container.

Figure 3 is a cross-sectional view showing the filter cup of the second embodiment of the present invention placed on a container.

4 is a schematic cross-sectional view showing a filter cup according to a third embodiment of the present invention when placed on a container.

Figure 5 is a perspective view of a filter cup in accordance with a fourth embodiment of the present invention.

S‧‧‧Internal space

40‧‧‧ Container

50‧‧‧ mixture

52‧‧‧ fluid

54‧‧‧Contents

100‧‧‧Filter Cup

110‧‧‧paper tube

111‧‧‧ inner surface

112‧‧‧Injection

113‧‧‧ outer surface

114‧‧‧Filter port

116‧‧‧Block structure

118‧‧‧paper base plate

120‧‧‧Waterproof layer

130‧‧‧Filter layer

Claims (11)

A filter cup comprising: a paper tube body including an injection port and at least one filter port; a waterproof layer covering the inner surface and the outer surface of the paper tube body; and a filter layer covering the filter port, the note The inlet is adapted to flow into a fluid such that the fluid flows out of the filter cup via the filter port and the filter layer. The filter cup of claim 1, wherein the filter layer is adhered to the waterproof layer on the inner surface of the paper tube. The filter cup of claim 1, wherein a cross-sectional area of the paper tube adjacent to the injection port is larger than a cross-sectional area of the paper tube adjacent to the filter port. The filter cup of claim 1, wherein the outer surface of the paper tube body is a tapered surface. The filter cup of claim 1, wherein the paper tube further comprises a blocking structure disposed adjacent to an outer surface of the injection port. The filter cup of claim 5, wherein the barrier structure surrounds the paper tube. The filter cup of claim 1, wherein the filter layer forms a filter plane. The filter cup of claim 1, wherein the filter layer forms a filter concave surface. The filter cup of claim 1, wherein the waterproof layer covers the paper tube. The filter cup of claim 1, wherein the paper tube further comprises a paper bottom plate disposed at one end of the paper tube relative to the injection port, and the filter port is formed on the paper bottom plate And the waterproof layer further covers the surface of the paper substrate. The filter cup of claim 1, wherein the paper tube surrounds an internal space between the injection port and the filter port, the internal space being adapted to allow the fluid to flow.