TWM633380U - Waterproof and breathable sealing film and planting container with the same - Google Patents

Abstract

This creation relates to a waterproof and breathable sealing film, which includes: a thermoplastic film layer with at least one perforation; and a breathable film layer, which is formed on one side of the thermoplastic film layer by ink printing and covered with In the at least one perforation, a thickness of the air-permeable film layer is not less than 5 µm.

Description

Waterproof and breathable sealing film and planting container including the waterproof and breathable sealing film

The invention relates to a waterproof and breathable sealing film and a planting container including the waterproof and breathable sealing film.

Tissue culture plants such as mushrooms and plants are considered to be convenient for retailers’ logistics transportation, consumers’ planting, and carrying. The plants are planted in a small container, which can not only prevent dust from entering the container, but also prevent the plants from being exposed to the outside world. Damaged by collision. The opening of the known planting container is provided with a sealing film, and the sealing film is provided with air holes, and a breather is arranged on the sealing film and covers the air holes, so that the plant can grow in the container, but the conventional The venting part is adhered to the sealing film with glue, and after the venting part is glued, the venting part needs to be cut to an appropriate size, resulting in numerous and complicated processing procedures and low production efficiency.

Therefore, it is necessary to provide a novel and progressive waterproof and breathable sealing film to solve the above-mentioned problems.

The main purpose of this creation is to provide a waterproof and breathable sealing film and a planting container including the waterproof and breathable sealing film. The production process is less, the production efficiency is high, and the waterproof and breathable effect is provided, so that the plants in the planting container can effectively grow.

In order to achieve the above purpose, the invention provides a waterproof and breathable sealing film, comprising: a thermoplastic film layer, which is perforated with at least one perforation; and a breathable film layer, which is formed on one of the thermoplastic film layers by ink printing The side and cover are arranged on the at least one perforation, and a thickness of the air-permeable film layer is not less than 5 μm.

The following is only an example to illustrate the possible implementation of this creation, but it is not used to limit the scope of protection of this creation. The "one" or "at least one" before the nouns mentioned in the article does not limit the number. It can also be "plural" according to the needs, and the change in the number is also within the scope of protection, which will be described first.

Please refer to FIGS. 1 to 5 and FIG. 3A , which show a first preferred embodiment of the invention. The waterproof and breathable sealing film 5 of the invention includes a thermoplastic film layer 1 and a breathable film layer 2 .

The thermoplastic film layer 1 is perforated with at least one perforation 13; the air-permeable film layer 2 is formed on one side of the thermoplastic film layer 1 by ink printing and covers the at least one perforation 13, the air-permeable film layer 2 A thickness is not less than 5 μm, preferably, a thickness of the air-permeable film layer 2 is between 5 μm and 80 μm. In this way, the thermoplastic film layer 1 and the air-permeable film layer 2 of this creation do not need to be connected to each other by an additional medium (such as glue) or hot-melt, and there is no need to further cut the air-permeable film layer 2, only need to print with ink The air-permeable film layer 2 is directly and firmly attached to the thermoplastic film layer 1, so the manufacturing process is less and easy to manufacture, the production efficiency is high, and waterproof and air-permeable effects are provided. In addition, the air-permeable film layer 2 can be closely connected to the thermoplastic film layer 1 without falling off and there is no gap between the two, and it is easy to change the shape or appearance of the air-permeable film layer 2 as required.

The invention also provides a planting container, which includes a waterproof and breathable sealing film 5 as described above, and further includes: a container 3, which encloses an accommodating space 31 and an opening 32, and the accommodating space 31 is for accommodating A plant 33 is accommodated, and the opening 32 communicates with the accommodating space 31 and the outside world. The air-permeable film layer 2 is covered on the edge of the opening 32. The air-permeable film layer 2 is arranged on the thermoplastic film layer 1 close to the opening. 32, the at least one perforation 13 communicates with the accommodating space 31 and the outside world; the air-permeable film layer 2 and the edge of the opening 32 are connected to each other by thermocompression welding. In this way, the thermoplastic film layer 1 can prevent foreign objects from entering the accommodating space 31 and provide a waterproof effect, while the breathable film layer 2 has waterproof and breathable properties to provide air from each of the perforations 13 and the breathable film layer 2 The air flows between the accommodating space 31 and the outside, so that the accommodating space 31 can have air permeability, so that the plant 33 can grow effectively.

The thermoplastic film layer 1 is pierced with a plurality of the perforations 13, and the air-permeable film layer 2 is covered with the plurality of perforations 13 to improve air permeability.

The thermoplastic film layer 1 is a polypropylene (PP) layer or a cast polypropylene (CPP) layer, which has a light-transmitting effect for directly viewing the plant 33 in the accommodating space 31 and preventing foreign matter from entering, and can This container 3 is welded with heat. Preferably, the thermoplastic film layer 1 includes a first film layer 11 and a second film layer 12 overlapping each other, the at least one perforation 13 passes through the first film layer 11 and the second film layer 12, the The breathable film layer 2 is printed on the side of the second film layer 12 away from the first film layer 11; the first film layer 11 is a polyethylene terephthalate (PET) layer to provide waterproof effect and block foreign matter In addition, patterns or characters can be printed on the first film layer 11 to achieve advertising effects; the second film layer 12 is a polypropylene (PP) layer; it can have a see-through effect and can effectively view the accommodating space The planting material 33 of 31 can effectively achieve the effect of waterproofing and preventing foreign matter from entering, and can be thermally welded to the container 3 .

The breathable membrane layer 2 is a Teflon layer, a polypropylene (PP) layer or a polyurethane (PU) layer. The Tyvek layer includes the characteristics of the paper layer, film layer and cloth layer. It has good weather resistance, wear resistance, high and low temperature resistance, waterproof, breathable and other properties, and can effectively prevent moisture from entering the accommodating space 31, and Gas can still smoothly circulate between the outside and the accommodating space 31 for the growth of the plant 33 .

The thermoplastic film layer 1 is light-transmitting, and the air-permeable film layer 2 has a color, so that the plant 33 located in the accommodating space 31 can be directly observed; and the position of the air-permeable film layer 2 can be directly and clearly observed, And the air-permeable film layer 2 of different colors can be used to classify the planting material 33. For example, setting the color of the air-permeable film layer 2 according to the planting material 33 accommodated in the container 3 is beneficial for quickly judging the type and classification . In this embodiment, the air-permeable film layer 2 is translucent, and may also be opaque.

Please refer to Fig. 6 and Fig. 6A, which shows a second preferred embodiment of this creation, the waterproof and breathable sealing film 5' further includes a bactericidal layer 4, the bactericidal layer 4 is covered on the thermoplastic film layer 1 and the Breathable film layer 2, the breathable film layer 2 is located between the thermoplastic film layer 1 and the bactericidal layer 4; preferably, the bactericidal layer 4 is located on a side of the second film layer 12 away from the first film layer 11 side, the air-permeable film layer 2 has an end surface 21 and a peripheral surface 22, the end surface 21 is arranged on the side of the air-permeable film layer 2 away from the second film layer 12, and the peripheral surface 22 is connected to the The end surface 21 is transverse to the second film layer 12, the bactericidal layer 4 covers the peripheral surface 22 and the end surface 21; the bactericidal layer 4 includes at least one of photocatalyst, organic antibacterial agent and nano-silver; can effectively Sterilization prevents germs, bacteria, etc. from entering the accommodating space 31 from the outside to infect the plant 33 .

Please refer to Fig. 7, which shows a third preferred embodiment of the present invention, the air-permeable film layer 2 is at least partially embedded in the at least one perforation 13, and the depth of the at least one perforation 13 embedded in it can vary according to requirements, preferably The air-permeable film layer 2 can be circumferentially attached to the hole wall of the at least one perforation 13 , and the air-permeable film layer 2 is embedded in the at least one perforation 13 . Accordingly, the air-permeable film layer 2 is not easily detached from the thermoplastic film layer 1 , and a large amount of foreign matters can be prevented from accumulating in the at least one through hole 13 .

In summary, the waterproof and breathable sealing film of the present invention and the planting container including the waterproof and breathable sealing film only need to quickly form the breathable film layer on the thermoplastic film layer with ink printing and fix it, the production process is less and easy to manufacture , has the effect of breathable and waterproof.

1: Thermoplastic film layer 11: The first film layer 12: Second film layer 13: Perforation 2: Breathable film layer 21: end face 22: Weekly surface 3: container 31:Accommodating space 32: opening 33: Plants 4: Sterilization layer 5, 5': Waterproof and breathable sealing film

Fig. 1 is a perspective view of a first preferred embodiment of the invention. Fig. 2 is an exploded sectional view of a waterproof and breathable sealing film of a first preferred embodiment of the present invention. Fig. 3 is a cross-sectional view of a waterproof and breathable sealing film of a first preferred embodiment of the present invention. FIG. 3A is a partially enlarged view of FIG. 3 . Fig. 4 is an exploded view of a first preferred embodiment of the invention. Fig. 5 is a sectional view of a first preferred embodiment of the invention. Fig. 6 is a cross-sectional view of a waterproof and breathable sealing film of a second preferred embodiment of the present invention. FIG. 6A is a partially enlarged view of FIG. 6 . Fig. 7 is a partially enlarged view of a waterproof and breathable sealing film of a third preferred embodiment of the present invention.

1: Thermoplastic film layer

2: Breathable film layer

3: container

Claims (12)

A waterproof and breathable sealing film, comprising: a thermoplastic film layer pierced with at least one perforation; and A breathable film layer is formed on one side of the thermoplastic film layer by ink printing and covers the at least one perforation, and a thickness of the breathable film layer is not less than 5 μm. The waterproof and breathable sealing film according to claim 1, wherein the thickness of one of the breathable film layers is between 5 μm and 80 μm. The waterproof and breathable sealing film according to claim 1, wherein the thermoplastic film layer is a polypropylene (PP) layer or a cast polypropylene (CPP) layer. The waterproof and breathable sealing film according to claim 1, wherein the thermoplastic film layer includes a first film layer and a second film layer overlapping each other, and the at least one perforation passes through the first film layer and the second film layer layer, the breathable film layer is printed on the side of the second film layer away from the first film layer. The waterproof and breathable sealing film according to claim 4, wherein the first film layer is a polyethylene terephthalate (PET) layer. The waterproof and breathable sealing film according to claim 5, wherein the second film layer is a polypropylene (PP) layer. The waterproof and breathable sealing film according to claim 4, wherein the breathable film layer is a Teflon layer, a polypropylene (PP) layer or a polyurethane (PU) layer. The waterproof and breathable sealing film as described in Claim 1 further includes a bactericidal layer, the bactericidal layer is covered on the thermoplastic film layer and the breathable film layer, and the breathable film layer is located between the thermoplastic film layer and the bactericidal layer between. The waterproof and breathable sealing film according to claim 1, wherein the thermoplastic film layer is light-transmitting, and the breathable film layer has a color. The waterproof and breathable sealing film according to claim 1, wherein the breathable film layer is at least partially embedded in the at least one perforation. The waterproof and breathable sealing film as described in claim 7, wherein the thickness of one of the breathable film layers is between 5 μm and 80 μm; the first film layer is a polyethylene terephthalate (PET) layer; the second film layer It is a polypropylene (PP) layer; the thermoplastic film layer is pierced with a plurality of perforations, and the breathable film layer is covered with the plurality of perforations, and the radial dimension of the breathable film layer is larger than the aperture of the perforation; the waterproof and breathable sealing film also includes a A bactericidal layer, the bactericidal layer is covered on the thermoplastic film layer and the breathable film layer, the breathable film layer is located between the thermoplastic film layer and the bactericidal layer; the bactericidal layer is arranged on the second film layer far away from the first One side of a film layer, the air-permeable film layer has an end surface and a peripheral surface, the end surface is arranged on the side of the air-permeable film layer away from the second film layer, and the peripheral surface is connected to the end surface in a circumferentially extending manner And transverse to the second film layer, the bactericidal layer covers the peripheral surface and the end surface; the bactericidal layer includes at least one of photocatalyst, organic antibacterial agent and nano-silver. A planting container, comprising a waterproof and breathable sealing film as described in any one of claims 1 to 11, further comprising: A container, the container is surrounded by an accommodating space and an opening, a plant is accommodated in the accommodating space, the opening communicates with the accommodating space and the outside world, the gas-permeable membrane layer is set on the edge of the opening, the The air-permeable film layer is arranged on the side of the thermoplastic film layer close to the opening, and the at least one perforation communicates with the accommodating space and the outside world.

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