CN106941985B

CN106941985B - Fibrilia fruit bag

Info

Publication number: CN106941985B
Application number: CN201710231419.1A
Authority: CN
Inventors: 周晚来; 王朝云; 杨媛茹; 汪洪鹰; 易永健; 谭志坚
Original assignee: Institute of Bast Fiber Crops of CAAS
Current assignee: Institute of Bast Fiber Crops of CAAS
Priority date: 2017-04-11
Filing date: 2017-04-11
Publication date: 2022-04-22
Anticipated expiration: 2037-04-11
Also published as: CN106941985A

Abstract

The invention discloses a fibrilia fruit bag, which comprises a bag body with an opening at the upper end, and is characterized in that: the vertical section of the bag body is wide at the top and narrow at the bottom, is composed of a fibrilia film, comprises an upper part accounting for 50% -70% of the total length, the inner surface of the upper part is completely covered with a waterproof layer, and the lower part accounting for 30% -50% of the total length of the bag body, the inner surface of the lower part is completely covered with an antibacterial protective layer. The fibrilia fruit bagging has the advantages of simple manufacture, convenient use, good bagging effect, naturalness, environmental protection and no pollution.

Description

Fibrilia fruit bag

Technical Field

The invention relates to the field of fruit bags, in particular to a fibrilia fruit bag.

Background

In the process of fruit growth, in order to prevent the harm of diseases and insects, eliminate pesticide residues and improve the growth quality and yield of fruits, the fruits need to be protected, and a common protection method is to sleeve protection bags on young fruits of the fruits, wherein double-layer fruit bags respectively having different physical properties are widely developed and applied due to unique advantages compared with single-layer fruit bags. The scheme of realizing double-deck fruit bagging all adopts the mode of inside and outside two-layer bagging at present, for making inside and outside bag have different printing opacity, ventilative or water permeability separately, inside and outside layer bagging generally adopts different materials to make, like patent 200710114834.5 has adopted the combination of light-tight outer bag + 65% luminousness paper inner bag to realize different light transmissivity, patent 201510874372.1 has adopted including black plastic film inner bag + non-woven fabrics outer bag and has realized different gas permeability and intensity performance, in the concrete implementation, inside and outside bag or complete independent manufacturing, then sheathe fruit respectively, or make the upper end bonding of inside and outside bag of different materials link to each other in making, then sheathe fruit together, no matter how, all need make and have relatively independent inside and outside layer bagging. In order to fix the fruit bag on the fruit branch, the fruit bag needs to be fixed on the fruit branch when in use, and the inner and outer bags need to be separated when the double-layer fruit bag is in use, which means that when the double-layer fruit bag is in use, the inner and outer bags need to be fixed independently, such as first covering and fixing the inner bag and then covering and fixing the outer bag, or other designs are adopted, such as 201420570534.3, the design with double winding wires is adopted, and the inner bag and the outer bag are fixed separately, which in any case means increases labor cost or manufacturing cost.

Disclosure of Invention

The invention provides a fibrilia fruit bagging and provides a simple, convenient and feasible scheme for realizing double-layer fruit bagging.

In order to solve the technical problems, the invention discloses the following technical scheme:

the utility model provides a fibrilia fruit cover bag, includes the upper end open-ended bag body, its characterized in that: the vertical section of the bag body is wide at the top and narrow at the bottom, is composed of a fibrilia film, comprises an upper part which accounts for 50% -70% of the total length, is completely covered with a waterproof layer at the inner surface, and a lower part which accounts for 30% -50% of the total length of the bag body, is completely covered with an antibacterial protective layer at the inner surface, when in use, fruits are sleeved in from an upper end opening and are placed in the lower part, the bag body is fixed on a fruit handle at the junction of the upper part and the lower part, and then the upper part is outwards turned downwards to cover the outer part of the lower part.

Preferably, the longitudinal section of the bag body is in a trapezoid shape or a horn shape with a wide upper part and a narrow lower part.

Preferably, the upper part and the lower part are provided with a binding strip at the junction of the outer surface of the bag body, one end of the binding strip is fixed on the bag body, and the other end is provided with an adhesive sheet.

Preferably, a circle of adhesive tape is encircled outside the upper end of the upper part, and a circle of tearable point-shaped holes are arranged under the adhesive tape in parallel.

Preferably, a black light-shielding layer is attached to an outer surface of the upper portion.

Preferably, the fibrilia film is formed by interweaving disordered and staggered fibrilia into a net and then bonding the net by environment-friendly slurry.

Preferably, the hemp fiber is one or more of ramie fiber, jute fiber, kenaf fiber, hemp fiber and flax fiber, and the environment-friendly slurry is one or more of polyvinyl alcohol and modified starch.

Preferably, the fibrilia is ramie triloba fiber harvested after autumn before frost fall.

Preferably, the fibrilia film constituting the upper part is impregnated with an insect-repellent substance.

Preferably, the insect-repellent substance is one or more of extracts of plants such as Cinnamomum camphora, herba Houttuyniae, oleum Terebinthinae, Eucalyptus globulus, folium Artemisiae Argyi, and herba et flos Pyrethri Cinerariifolii, and a certain amount of garlicin or capsaicin is added to obtain natural insect-repellent mixed liquid with insect-repellent effect.

Preferably, the bacteriostatic protective layer is a chitosan film.

Preferably, the chitosan is a low molecular weight chitosan.

Preferably, the waterproof layer is an air-permeable and water-impermeable film.

Preferably, the air-permeable and water-impermeable film is an organic fluorine-based high polymer film.

Preferably, the thickness of the fibrilia film is 0.05mm-0.5 mm.

The application method of the fibrilia fruit bag of the invention comprises the following steps: the young fruit is sleeved into the bag body from the upper end opening of the fibrilia fruit bag until the lower part of the bag body, then the bag body is tied up by using ropes or other tying materials or tying strips carried by the bag body to be fixed on fruit stems or fruit branches, then the upper part of the bag body is turned over outwards and downwards and completely covers the outer part of the lower part of the bag body to play a role in protecting the inner bag, and in order to have a better protection effect, the opening of the bag body can be sealed by using ropes or adhesive tapes carried by the ropes or the ropes. When the protection of the outer bag is not needed any more or the outer bag needs to be removed, the outer bag is turned upwards and inwards to be prevented from covering the outer surface of the inner bag, so that the fruits are not influenced completely, and then the upper part of the bag body can be cut off by using scissors and left in orchard soil.

The fibrilia fruit bag of the invention has the beneficial effects that:

1. the manufacture is simple. The integrated cap bag can be directly manufactured by the processed fibrilia film without manufacturing the relatively independent inner and outer bags respectively, thereby greatly simplifying the manufacturing process.

2. Is convenient to use. The fruits do not need to be respectively sleeved in the inner bag and the outer bag and are respectively fixed on the inner bag and the outer bag, only one time of bagging is needed, and the effect is better after the self-binding strips are carried out. In addition, the lower part of the bag body can be used as a fruit fresh-keeping bag to continue to play a role after being picked, and the bag has the effect of dual purposes.

3. The bagging effect is good. The fibrilia film with plasticity of great performance is combined with the waterproof layer to have better protective effect on fruits and vegetables on the one hand, and the loss of moisture is suppressed, and on the other hand, the fibrilia film has certain air permeability, can generate certain gas exchange with the outside, and prevents the condensation of water vapor in the cover bag, thereby keeping a good environment in the cover bag. In addition, the antibacterial protective layer made of chitosan, particularly low-molecular-weight chitosan, has better permeability and bactericidal effect, can effectively inhibit the breeding of bacteria and viruses in the bags, and ensures the healthy growth of fruits.

4. Natural, environment-friendly and pollution-free. The raw materials for manufacturing the fibrilia fruit cap bag are degradable environment-friendly materials, for example, fibrilia is purely natural plant fiber, chitosan is mainly extracted from marine crustacean, polyvinyl alcohol is a healthy material which can be used for human bodies, and the substances are safe and harmless to human bodies and can be completely biodegraded in natural environment, so that the fibrilia fruit cap bag has food safety and environment friendliness naturally.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is a schematic longitudinal cross-sectional cut-away view of a fibrilia fruit bag of example 1.

Fig. 2 is a schematic longitudinal cross-sectional cut-away view of the fruit bag of example 2.

Fig. 3 is a simplified schematic longitudinal cross-sectional view of the hemp fruit bag of the present invention in use, in which 1 fruit is covered in the bag.

In the figure 1-2, 1 is a bag body; 11. an upper portion; 12, lower part; 2. a waterproof layer; 3. an antibacterial protective layer; 4. bundling the strips; 41, sticking a piece; 5, an adhesive tape; 6, point-shaped holes; and 7, a light shielding layer.

Detailed Description

The embodiment of the invention provides a fibrilia fruit bagging and provides a simple, convenient and feasible scheme for realizing double-layer fruit bagging.

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 1 is a schematic cross-sectional view of a fibrilia fruit bag according to embodiment 1 of the present invention, the fruit bag is a circular table body with a large top and a small bottom, the upper end of the bag body 1 is open, the lower end is closed, the main body of the bag body 1 is made of fibrilia film, and is divided into an upper portion 11 and a lower portion 12 according to its function, wherein the inner surface of the upper portion 11 is covered with a waterproof layer 2, and the inner surface of the lower portion 12 is covered with a bacteriostatic protective layer 3.

The fibrilia film is formed by forming a web by a non-woven fabric dry-laying process and then bonding the web by environment-friendly slurry, wherein the fibrilia is ramie fibers, and of course, other fibrilia and even plant fibers, such as jute fibers, kenaf fibers, hemp fibers and flax fibers, can also be used for manufacturing the fibrilia film. The environment-friendly slurry is 5% polyvinyl alcohol aqueous solution, and other similar environment-friendly slurry, such as modified starch glue, can also be used for manufacturing the fibrilia film. The reason why the bag body is made of the fibrilia film is that the fibrilia film has good moisture conduction and air permeability, which is beneficial to creating a good bagging environment. Particularly, the fibrilia film prepared by using the ramie harvested before the frost fall after the beginning of autumn as the raw material has better flexibility, has better combination performance with other substances for changing physical properties, such as bacteriostatic substances, water repellent agents and the like, has stronger performance plasticity, and is particularly suitable for preparing the fibrilia fruit cap bag.

The bacteriostatic protective layer 3 is a chitosan film, wherein the chitosan film with low molecular weight is preferred because the chitosan film has better permeability and bactericidal effect, can effectively inhibit the breeding of bacteria and viruses in the bags and ensure the healthy growth of fruits. The waterproof layer 2 is a breathable waterproof film, wherein an organic fluorine polymer film is preferred, and if the fibrilia film is coated with a cationic organic fluorine polymer water repellent agent with pH of 2-4 and concentration of 3-5%, the water repellent agent has good waterproof property and can also play a role in increasing gas barrier property and the like.

Referring to fig. 2, in order to better block sunlight and prevent damage to the fruit body from illumination, a black light-shielding layer 7 may be added outside the upper portion 11 of the bag body.

In order to prevent the invasion of pests, the hemp fiber film forming the upper part 11 of the bag body can be impregnated with insect-repellent substances, such as one or more of plant extracts of camphor, houttuynia cordata, turpentine, eucalyptus, wormwood, pyrethrum and the like, and a certain amount of garlicin or capsaicin is added to prepare natural insect-repellent mixed liquid with insect-repellent effect, and the natural insect-repellent mixed liquid is impregnated in the hemp fiber film forming the upper part 11 of the bag body to ensure that the natural insect-repellent mixed liquid has long-acting insect-repellent effect.

The construction features of the bast fibre fruit wrap of the present invention will be further explained in connection with its method of use.

When the fibrilia fruit bag is used, young fruits are sleeved into the bag body from the upper end opening of the fibrilia fruit bag to the bag body lower part 12, then the bag body 1 is bound by using ropes or other binding materials to be fixed on fruit stalks or fruit branches in the middle of the bag body (at the boundary of the upper part and the lower part), then the bag body upper part 11 is turned downwards and completely covers the bag body lower part 12 to protect the bag body lower part 12, in order to ensure that the bag body upper part 11 can completely cover the bag body lower part 12, the length of the bag body upper part 11 is required to be larger than that of the bag body lower part 12, preferably, the bag body upper part 11 accounts for 50-70% of the total length of the bag body (1), and the bag body lower part 12 accounts for 30-50% of the total length of the bag body (1).

The overall appearance of the fibrilia fruit bag provided in embodiment 1 is a truncated cone with a large top and a small bottom, the design with the large top and the small bottom is adopted to better realize the outward and downward turning of the upper part 11 of the bag body, other shapes can be adopted besides the truncated cone, please refer to fig. 2, and the effect of embodiment 2 adopting a trumpet-shaped structure with the large top and the small bottom is better.

In order to more conveniently bind and fix the bag body 1 on the fruit stalk or fruit branch, in the embodiment 2, the binding strip 4 is arranged at the junction of the upper part 11 and the lower part 12 outside the bag body, one end of the binding strip 4 is fixed on the bag body 1, the other end is provided with the adhesive sheet 41, the adhesive sheet 41 is a structure similar to a double-sided adhesive tape with one surface fixed on the binding strip 4 and the other surface easy to be separated from the protective layer, when in use, the protective layer is torn off, the bag body is bound and fixed by the binding strip 4, and then the adhesive sheet 41 is bonded and fixed to prevent the protective layer from falling off.

After the upper portion 11 of the bag body is completely covered on the outer surface of the lower portion 12 of the bag body, in order to have a better protection effect, the opening of the outer bag (the upper portion 11 of the bag body) can be further sealed by a rope, please refer to fig. 2, in example 2, a circle of adhesive tape 5 is arranged around the outer surface of the upper end of the upper portion 11, the adhesive tape 5 is a double-sided adhesive structure with one side adhered to the outer surface of the bag body 1 and the other side provided with a protective layer, when in use, the protective layer is firstly torn off, then the upper portion 11 is turned over to completely cover the outer surface of the lower portion 12, and then the adhesive tape 5 is used for completely sealing the outer bag.

When the protection of the outer bag is not needed any more or the outer bag needs to be removed, the opening of the outer bag (the upper bag body 11) is unlocked and turned upwards and inwards to prevent the outer bag from covering the lower bag body 12, please refer to fig. 2, embodiment 2 adopts a design that a ring of tearable dot-shaped holes 6 are arranged around and parallel to the lower part of the adhesive tape 5, and when the opening of the outer bag (the upper bag body 11) needs to be unlocked, the outer bag can be torn directly along the dot-shaped holes.

When the outer bag (the upper bag body 11) is removed, in order to ensure that the fruit is not influenced completely, the upper bag body 11 can be cut off by scissors and left in orchard soil directly after being turned over, and because the raw materials for manufacturing the fibrilia fruit bag are degradable environment-friendly materials, the environment pollution can not be caused. The inner bag (the lower part 12 of the bag body) can continuously play a role in protecting fruits, and the fruits and the inner bag can be picked and stored together during picking, so that the inner bag can continuously play a role as a fruit fresh-keeping bag.

The cross section of the fruit bagging bag body is circular, certainly, also can be according to actual need with its design for rectangle or other any required shape, the thickness that is used for making its bag body fibrilia membrane is 0.05mm, in the in-service use, need according to specific conditions such as the size of the fruit bagging time duration and the fruit body, the thickness of fibrilia membrane can change between 0.05mm-0.5mm, can compromise bag body intensity, gas permeability, light transmissivity and manufacturing cost. The specific size of the bag body can be determined according to the size of the fruit.

The foregoing is merely a detailed description of the invention, and it should be noted that modifications and adaptations by those skilled in the art may be made without departing from the principles of the invention, and should be considered as within the scope of the invention.

Claims

1. The utility model provides a fibrilia fruit cover bag, includes upper end open-ended bag body (1), its characterized in that: the longitudinal section of the bag body (1) is wide at the top and narrow at the bottom, is composed of a fibrilia film, and comprises an upper part (11) which accounts for 50% -70% of the total length of the bag body (1), the inner surface of the upper part is completely covered with a waterproof layer (2), and a lower part (12) which accounts for 30% -50% of the total length of the bag body (1), the inner surface of the lower part is completely covered with an antibacterial protective layer (3), when the bag is used, fruits are sleeved in the bag from an upper end opening and placed in the lower part (12), the bag body (1) is fixed on a fruit handle at the junction of the upper part (11) and the lower part (12), and then the upper part (11) is outwards turned downwards to cover the outer surface of the lower part (12).

2. The fibrilia fruit bag of claim 1 wherein: the longitudinal section of the bag body (1) is in a trapezoid shape or a horn shape with a wide upper part and a narrow lower part.

3. The fibrilia fruit bag of claim 1 wherein: the upper part (11) and the lower part (12) are provided with a binding strip (4) at the junction of the outer surface of the bag body (1), one end of the binding strip (4) is fixed on the bag body (1), and the other end is provided with an adhesive sheet (41).

4. The fibrilia fruit bag of claim 1 wherein: the outer surface of the upper end of the upper part (11) is surrounded with a circle of adhesive tape (5), and a circle of tearable point-shaped holes (6) are arranged under the adhesive tape (5) in parallel.

5. The fibrilia fruit bag of claim 1 wherein: a black light-shielding layer (7) is attached to the outer surface of the upper portion (11).

6. The fibrilia fruit bag of claim 1 wherein: the fibrilia film is formed by interweaving disordered and staggered fibrilia into a net and then bonding the net by environment-friendly slurry.

7. The fibrilia fruit bag of claim 6 wherein: the hemp fiber is one or more of ramie fiber, jute fiber, kenaf fiber, hemp fiber and flax fiber, and the environment-friendly slurry is one or more of polyvinyl alcohol and modified starch.

8. The fibrilia fruit bag of claim 7 wherein: the fibrilia is ramie tri-fibrilia harvested after autumn before frost.

9. The fibrilia fruit bag according to any one of claims 1-8, wherein: the fibrilia film constituting the upper part (11) is impregnated with an insect repellent.

10. The fibrilia fruit bag of claim 9 wherein: the insect-repellent substance is one or more of extracts of Cinnamomum camphora, herba Houttuyniae, oleum Terebinthinae, Eucalyptus globulus, folium Artemisiae Argyi, and herba et flos Pyrethri Cinerariifolii, and a certain amount of garlicin or capsaicin.

11. The fibrilia fruit bag according to any one of claims 1-8, wherein: the bacteriostatic protective layer (3) is a chitosan film.

12. The fibrilia fruit bag of claim 11 wherein: the chitosan is low molecular weight chitosan.

13. The fibrilia fruit bag according to any one of claims 1-8, wherein: the waterproof layer (2) is an air-permeable and water-impermeable film.

14. The fibrilia fruit bag of claim 13 wherein: the air-permeable and water-impermeable film is an organic fluorine high-molecular polymer film.

15. The fibrilia fruit bag according to any one of claims 1-8, wherein: the thickness of the fibrilia film is 0.05mm-0.5 mm.