CN114946743A - Fresh and alive aquatic product storage bag and production process thereof - Google Patents
Fresh and alive aquatic product storage bag and production process thereof Download PDFInfo
- Publication number
- CN114946743A CN114946743A CN202210706590.4A CN202210706590A CN114946743A CN 114946743 A CN114946743 A CN 114946743A CN 202210706590 A CN202210706590 A CN 202210706590A CN 114946743 A CN114946743 A CN 114946743A
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- bag body
- fresh
- heat
- air
- product storage
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- 238000003860 storage Methods 0.000 title claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims description 71
- 238000007731 hot pressing Methods 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005191 phase separation Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 32
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 8
- 239000001301 oxygen Substances 0.000 abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000004083 survival effect Effects 0.000 abstract description 3
- 206010061688 Barotrauma Diseases 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 47
- 239000010410 layer Substances 0.000 description 9
- 241000251468 Actinopterygii Species 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/02—Receptacles specially adapted for transporting live fish
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/03—After-treatments in the joint area
- B29C66/032—Mechanical after-treatments
- B29C66/0326—Cutting, e.g. by using waterjets, or perforating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/84—Specific machine types or machines suitable for specific applications
- B29C66/851—Bag or container making machines
- B29C66/8511—Bag making machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7128—Bags, sacks, sachets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Bag Frames (AREA)
Abstract
The invention relates to the technical field of product storage, in particular to a fresh and live aquatic product storage bag and a production process thereof. The fresh and live aquatic product storage bag disclosed by the invention is filled with gas through the gas filling channel, the gas enters the cavity through the gas inlet channel, the gas inlet channel is used for one-way gas inlet, the gas inlet channel is closed under the double effects of air pressure and water after the oxygen enters the cavity, the reverse outflow of the gas and the water is prevented, the air tightness and the water tightness in the storage bag are good, the requirements of long-distance transportation are met, and the survival time of fresh and live aquatic products is greatly prolonged.
Description
Technical Field
The invention relates to the technical field of product storage, in particular to a fresh and alive aquatic product storage bag and a production process thereof.
Background
If fresh and alive aquatic products (for example, fish) on the market need the packing to be taken away, common practice is to utilize the rubber band to seal the bag after pouring into water and oxygen in the bag to guarantee that fresh and alive aquatic products can survive a period of time in the bag, but the bag is in the transportation, must stand collision or the impact of different degree, the rubber band seals to the bag and leaves certain gap easily, water and oxygen can flow out from the gap, even water and oxygen can the streamer after a period of time, fresh and alive aquatic products can not live to the destination certainly. Therefore, the packing method of sealing the bag by using the rubber band after filling water and oxygen into the bag has the following disadvantages: firstly, the air tightness and the water tightness are not good, which is not beneficial to the storage of fresh and live aquatic products; secondly, the current era of the e-commerce is concerned about efficiency and speed, and the packaging mode also has the problems of inconvenient operation and low efficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a fresh and live aquatic product storage bag which has good air tightness, is easy to inflate and is simple and convenient to operate. The invention also aims to provide a production process of the fresh and live aquatic product storage bag, and the fresh and live aquatic product mouth storage bag produced by the process is easy to inflate and has good airtight performance.
In order to achieve the purpose, the invention can be realized by the following technical scheme:
the utility model provides a fresh and alive aquatic products storage bag, includes the bag body, the bag body has the cavity that is used for loading aquatic products and water, the edge of the bag body is equipped with fills the air flue, fill the air flue with through the intake duct intercommunication between the cavity, the intake duct to the cavity is one-way admits air.
Further, it has two valve membranes to be used for one-way admitting air to range upon range of about in the intake duct, each the valve membrane is close to fill the one end of air flue and the bonding of adjacent one side bag body.
Further, the intake duct is equipped with an air inlet and at least one outlet channel at least, the air inlet with the gas charging channel intercommunication, outlet channel with the cavity intercommunication.
Furthermore, the air inlets are formed between adjacent heat-sealing parts, the bag body and the two valve films are pressed and adhered by the heat-sealing parts, and the plurality of air inlets are formed by arranging the heat-sealing parts at intervals.
Furthermore, the air outlet channel is provided with an air inlet end and an air outlet end, the air inlet end is opposite to the air inlet one by one, the air outlet end is communicated with the cavity, and the caliber of the air inlet end is larger than that of the air outlet end.
Furthermore, the caliber of the air outlet end is 2-7 mm.
Further, outlet channel is formed by two adjacent reposition of redundant personnel portions, outlet channel is the infundibulate, and the funnel entry does the inlet end, the funnel export do the end of giving vent to anger, reposition of redundant personnel portion comprises first heat seal line and second heat seal line, first heat seal line with second heat seal line is close to the one end of air inlet is connected, first heat seal line with second heat seal line is close to the one end phase separation of cavity. (ii) a
Further, the bag body and the two valve films are pressed and adhered at two sides by the first heat sealing line and the second heat sealing line, or the bag body and the two valve films are pressed and adhered at one side by the first heat sealing line and the second heat sealing line, or the two valve films are pressed and adhered by the first heat sealing line and the second heat sealing line.
Furthermore, one end of the cavity close to the air inlet channel is provided with a plurality of protective heat sealing parts, and the protective heat sealing parts are used for pressing and adhering the bag body.
Further, the bag body is equipped with the sack, sack department is equipped with carries out the sealing member sealed to the sack, the both sides of sealing member are bonded with the bag body respectively, the one end that the sealing member is close to the cavity has the extension, the extension with the bag body separation pastes under the inside atmospheric pressure of cavity and seals to the sack formation to the sack.
Further, one of the valve films where the air inlet is located is coated with an ink layer.
Further, at least one edge of the bag body is provided with a handle.
A production process of a fresh and alive aquatic product storage bag comprises the following steps:
the air charging channel is hot-pressed at the edge of the bag body film;
hot-pressing the first heat-seal line and the second heat-seal line on the valve film and/or the bag body film to form an air outlet channel;
forming an exhaust port on the valve film and the bag body film through hot-pressing and hot-sealing;
hot-pressing the protective heat-sealing part on the bag body film;
hot-pressing the sealing element on the top of the bag body film;
hot-pressing two sides of the bag body film according to a fixed length to form sealed edges;
cutting the bag body into individual storage bags according to fixed length;
and installing a sealing element buckle.
Compared with the prior art, the invention has the following beneficial effects:
the fresh and live aquatic product storage bag disclosed by the invention is filled with gas through the gas filling channel, the gas enters the cavity through the gas inlet channel, and the gas inlet channel is closed under the double actions of air pressure and water after the oxygen enters the cavity due to the unidirectional gas inlet of the gas inlet channel, so that the gas and the water are prevented from reversely flowing out, the air tightness and the water tightness in the storage bag are good, the requirements of long-distance transportation are met, and the survival time of fresh and live aquatic products is greatly prolonged. Moreover, the fresh and live aquatic product storage bag is easy to pack, can be repeatedly used, and is economical and environment-friendly.
The production process of the fresh and live aquatic product storage bag is simple in steps and convenient to operate, the fresh and live aquatic product storage bag produced by the process is good in air tightness and water tightness, the requirements of long-distance transportation are met, and the survival time of fresh and live aquatic products is greatly prolonged.
Drawings
FIG. 1 is a schematic view of the structure of a fresh and alive aquatic product storage bag according to the invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
FIG. 3 is a schematic view of the underside of the inflated condition of FIG. 1;
FIG. 4 is an enlarged schematic view at B in FIG. 3;
FIG. 5 is an enlarged schematic view at C in FIG. 3;
FIG. 6 is a schematic structural view of a heat-resistant layer of the fresh and alive aquatic product storage bag according to the present invention;
FIG. 7 is a diagram showing a state of use of the fresh and alive aquatic product storage bag according to the present invention;
in the figure: 1. a bag body; 11. a cavity; 12. an air charging passage; 13. an air inlet channel; 131. an air inlet; 132. an air outlet channel; 1321. an air inlet end; 1322. an air outlet end; 14. a heat-seal part; 15. a first heat seal line; 16. a second heat seal line; 19. a protective heat seal section; 2. a valve membrane; 21. an ink layer; 3. a seal member; 31. an extension portion; 4. a handle.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments. In the present specification, the terms "upper", "inner", "middle", "left", "right" and "one" are used for clarity of description only, and are not used to limit the scope of the present invention, and the relative relationship between the terms and the modifications may be regarded as the scope of the present invention without substantial technical changes.
As shown in fig. 1 to 4, the fresh and alive aquatic product storage bag comprises a bag body 1, the bag body 1 is provided with a cavity 11 for containing aquatic products and water, an air charging channel 12 is arranged at the edge of the bag body 1, the air charging channel 12 is communicated with the cavity 11 through an air inlet channel 13, the air inlet channel 13 is used for feeding air to the cavity 11 in a single direction, namely the air is charged from the air charging channel 12, the air inlet channel 13 is closed under the double effects of air pressure and water after entering the cavity 11 through the air inlet channel 13, the reverse outflow of the air and the water from the air inlet channel 13 is prevented, and the air tightness and the water tightness in the storage bag are good.
In order to ensure good air tightness in the storage bag, two valve films 2 can be arranged in the air inlet 13 for air inlet, namely the two valve films 2 are overlapped up and down and then placed at the position of the air inlet 13 in the bag body 1, and one end of each valve film 2 close to the air filling channel 12 is bonded and fixed with the bag body 1 on the adjacent side. Air or oxygen is filled from the air charging channel 12, the air can impact the valve films 2 in the air charging channel 13, the upper valve film 2 and the lower valve film 2 are opened, namely an air charging channel is generated, the air enters the cavity 11 through the air charging channel, when the air in the cavity 11 is filled to be full, the internal air pressure enables the two valve films 2 to tightly press the bag body 1 on one side, namely the air charging channel formed by the valve films 2 is in a close state, so that the air charging channel 13 is closed, the air and the water cannot reversely flow out from the air charging channel 13, and the good air tightness and the water tightness in the bag are ensured. Preferably, the valve membrane 2 is of the thin film type.
In order to make the air inlet 13 intake in one direction, the specific structure may be set as follows: the air inlet 13 may have one air inlet 131 and one air outlet channel 132, or may have a plurality of air inlets 131 and a plurality of air outlet channels 132, the air inlets 131 are communicated with the air charging channel 12, and the air outlet channels 132 are communicated with the cavity 11. If a plurality of air inlets 131 and a plurality of air outlet channels 132 are provided, the speed of the air entering the cavity 11 can be increased, and the inflation efficiency can be improved. Specifically, the air inlet 131 may be formed between adjacent heat-seal portions 14, the heat-seal portions 14 press and adhere the bag body 1 and the two valve films 2, and the plurality of air inlets 131 are formed by arranging the plurality of heat-seal portions 14 at intervals. The air inlets 131 are present in a regular or random arrangement. Specifically, each air outlet channel 132 is provided with an air inlet 1321 and an air outlet 1322, the air inlet 1321 is opposite to the air inlets 131 one by one, so that air can conveniently enter the air inlet 1321 through a short path after entering the air inlets 131, and then enter the air outlet channel 132 as soon as possible, the air outlet 1322 is communicated with the cavity 11, and the caliber of the air inlet 1321 is larger than that of the air outlet 1322, so that air can be conveniently introduced and gas is prevented from leaking to the outside. The gas is introduced from the gas inlet 131 by bypassing the heat-seal lands 14, enters the corresponding gas outlet channel 132 through the gas inlet end 1321, and is filled into the cavity 11 through the gas outlet end 1322. In order to prevent the gas from flowing back from the gas outlet end 1322 to the outside to a great extent, the caliber of the gas outlet end 1322 is designed to be 2-7 mm.
Specific embodiments of the air outlet channel 132: the air outlet channel 132 is formed by two adjacent flow splitting portions, the caliber of the end of the air outlet channel 132 close to the air charging channel 12 is larger than that of the end close to the cavity 11, and the large-caliber end gradually decreases toward the small-caliber end, so that the air outlet channel 132 can be in a funnel shape, the inlet of the funnel is an air inlet end 1321, and the outlet of the funnel is an air outlet end 1322. The shunting part consists of a first heat sealing line 15 and a second heat sealing line 16, one ends of the first heat sealing line 15 and the second heat sealing line 16 close to the air inlet 131 are connected, and one ends of the first heat sealing line 15 and the second heat sealing line 16 close to the cavity 11 are separated. The one end that the reposition of redundant personnel portion is close to air inlet 131 forms thin part like this, and the one end that the reposition of redundant personnel portion is close to cavity 11 forms thick portion, just in time forms the infundibulate to outlet channel 132, and the gas of being convenient for smoothly gets into outlet channel 132, but is difficult for leaking toward the outside. The shunt part adopts a linear form instead of a block form, and the block hot pressing area is large, so that the bag body 1 and the valve membrane 2 are easily damaged, and air leakage and water leakage are easily caused. The first heat-seal line 15 and the second heat-seal line 16 are preferably arc-shaped, so that the gas can flow smoothly along the arc, and the smooth shape of the arc can reduce resistance, reduce inflation force and save strength. Air outlet channel 132 that first heat-seal line 15 and second heat-seal line 16 formed is the infundibulate, forms big-end-up's air outlet channel 132 like this, and inside gas can get into the air pocket fast, and after being full of gas, gas can short time backward flow, but backward flow department bore is tiny, effectively prevents gas outflow bag body 1. The first heat-seal line 15 and the second heat-seal line 16 are bonded in three ways: the first heat-sealing line 15 and the second heat-sealing line 16 are used for pressing and adhering the bag body 1 and the two valve films 2 at two sides; secondly, the bag body 1 and the two valve films 2 on one side are pressed and adhered through the first heat sealing line 15 and the second heat sealing line 16; and thirdly, the two valve films 2 are pressed and adhered by the first heat sealing line 15 and the second heat sealing line 16. The three adhesion modes can realize the air outlet channel 132, that is, the function of the air outlet channel 132 can be realized only by pressing and adhering at least two valve films 2.
According to the fresh and live aquatic product storage bag, as fresh and live aquatic products such as fishes are loaded, when the fishes swim in the bag, tails are easy to throw to the valve film 2 in the air inlet channel 13, so that the valve film 2 is damaged, the air tightness and the water tightness of the bag are reduced due to the damage of the valve film 2, therefore, a plurality of protective heat sealing parts 19 are arranged at one end of the cavity 11 close to the air inlet channel 13, the protective heat sealing parts 19 are distributed discontinuously, the bag body 1 is pressed and adhered in a pressing mode, the valve film 2 is protected, the fishes are not prone to damage, and the fishes and the valve film 2 are separated into two spaces.
As shown in figure 5, in order to facilitate the aquatic product to be filled into the cavity 11, the bag body 1 is provided with a bag opening, a sealing element 3 is arranged at the bag opening, and the sealing element 3 plays a role in sealing the bag opening and the bag body and is convenient to open and close. The sealing element 3 can be a single-strand or double-strand bag sealing zipper which can be opened and closed, so that the bag opening can be quickly opened and closed without sealing edges of a heat sealing machine, the operation time is saved, and the safety performance is good. When the sealing member 3 is a two-strand bag sealing zipper, it comprises two zipper strips bonded to the bag body 1, but of course, the zipper strips can be replaced by sealing members having the same function, such as sealing strips. One end of one zipper strip, which faces the cavity 11, is provided with an extending part 31, the extending part 31 is separated from the bag body 1 and is attached to the bag mouth under the air pressure inside the cavity 11 to seal the bag mouth, and water also applies pressure to the extending part 31 to enable the extending part 31 to press the bag mouth, at the moment, the extending part 31 covers the sealing element 3, so that the water is reduced to directly impact and apply pressure to the sealing element 3, and the air tightness and the water tightness at the bag mouth are protected. This also means that the extension 31 further enhances the air-tightness and water-tightness of the bag body 1 after the sealing action of the sealing member 3.
As shown in fig. 6, one of the valve films 2 where the air inlet 131 is located is coated with an ink layer 21. In the industry, the ink coating layer 21 is a heat-resistant layer, and the non-ink layer 21 is a non-heat-resistant layer, which is not described herein again.
As shown in fig. 6, a handle 4 can be arranged at one edge or each edge of the bag body 1, so that the bag is convenient to carry and move.
The storage bag for fresh and live aquatic products can shake in the transportation process, so that one side of the storage bag is provided with the sealing zipper 3 capable of being closed quickly, the other side of the storage bag is provided with the air inlet channel 13 allowing air to enter in one direction, the internal air pressure is adopted for attaching, after the air in the cavity 11 is filled to be full, the valve film 2 is tightly pressed on the bag body 1 through the internal air pressure, the valve film 2 is in an attached and closed state, the air in the bag is prevented from leaking outwards, meanwhile, the internal air pressure can also apply pressure on the extension part 31 of the sealing zipper 3, the extension part 31 is attached to the top of the bag opening, and the leakage is prevented. Secondly, the pressure of the water also secondarily presses the valve membrane 2 and the extension part 31, ensuring good air and water tightness. The fresh and alive aquatic product storage bag has the following advantages: 1. the sealing is carried out without using a machine, and the sealing can be quickly carried out by manual extrusion; 2. after the oxygen is injected, the air inlet 131 is naturally closed without manual sealing (rubber band or heat sealing machine); 3. the air tightness and the water tightness are good, and the requirement of long-distance transportation of an electric company is met; 4. the storage bag can be repeatedly used, and is environment-friendly and economical.
The fresh and alive aquatic product storage bag provided by the invention comprises the following raw materials: two sheets of bag films, a combined seal (a sealing zipper may be used), two sheets of film type valve films (a valve film containing a heat-resistant layer, or a valve film without a heat-resistant layer may be used). The production process comprises the following steps:
the air charging channel is hot-pressed at the edge of the bag body film;
hot-pressing the first heat-seal line and the second heat-seal line on the valve film and/or the bag body film to form an air outlet channel;
forming an exhaust port on the valve film and the bag body film through hot-pressing and hot-sealing;
hot-pressing the protective heat-sealing part on the bag body film;
hot-pressing the sealing element on the top of the bag body film;
hot-pressing two sides of the bag body film according to a fixed length to form sealed edges;
cutting the bag body into individual storage bags according to fixed length;
and installing a sealing element buckle.
The embodiments of the present invention are not limited thereto, and according to the above-mentioned contents of the present invention, the present invention can be modified, substituted or combined in other various forms without departing from the basic technical idea of the present invention.
Claims (13)
1. The utility model provides a fresh and alive aquatic products storage bag, includes the bag body, its characterized in that: the bag body has the cavity that is used for loading aquatic products and water, the edge of the bag body is equipped with fills the air flue, fill the air flue with through the intake duct intercommunication between the cavity, the intake duct to the cavity is one-way admits air.
2. The fresh and alive aquatic product storage bag according to claim 1, wherein: two valve membranes are stacked up and down in the air inlet channel and used for one-way air inlet, and each valve membrane is close to one end of the air inlet channel is bonded with the bag body on one adjacent side.
3. The fresh and alive aquatic product storage bag according to claim 2, wherein: the intake duct is equipped with an air inlet and at least one outlet channel at least, the air inlet with the gas charging channel intercommunication, outlet channel with the cavity intercommunication.
4. A fresh and alive aquatic product storage bag according to claim 3, wherein: the air inlet is formed between the adjacent heat-sealing parts, the heat-sealing parts are used for pressing and adhering the bag body and the two valve films, and the heat-sealing parts are arranged at intervals to form a plurality of air inlets.
5. A fresh and alive aquatic product storage bag according to claim 3, wherein: the air outlet channel is provided with an air inlet end and an air outlet end, the air inlet end is opposite to the air inlets one by one, the air outlet end is communicated with the cavity, and the caliber of the air inlet end is larger than that of the air outlet end.
6. The fresh and alive aquatic product storage bag according to claim 5, wherein: the caliber of the air outlet end is 2-7 mm.
7. The fresh and alive aquatic product storage bag according to claim 5, wherein: the passageway of giving vent to anger is formed by two adjacent reposition of redundant personnel portions, the passageway of giving vent to anger is the infundibulate, and the funnel entry does the inlet end, the funnel export does give vent to anger the end, reposition of redundant personnel portion comprises first heat seal line and second heat seal line, first heat seal line with second heat seal line is close to the one end of air inlet is connected, first heat seal line with second heat seal line is close to the one end phase separation of cavity.
8. The fresh and alive aquatic product storage bag according to claim 7, wherein: the first heat-seal line and the second heat-seal line are used for pressing and adhering the bag body and the two valve films, or the first heat-seal line and the second heat-seal line are used for pressing and adhering the two valve films.
9. The fresh and alive aquatic product storage bag according to claim 8, wherein: one end of the cavity close to the air inlet channel is provided with a plurality of protective heat sealing parts, and the protective heat sealing parts are used for pressing and adhering the bag body.
10. The fresh and alive aquatic product storage bag according to claim 1, wherein: the bag body is equipped with the sack, sack department is equipped with carries out sealed sealing member to the sack, the both sides of sealing member are bonded with the bag body respectively, the one end that the sealing member is close to the cavity has the extension, the extension with bag body separation pastes under the inside atmospheric pressure of cavity and seals to the sack formation to the sack.
11. The fresh and alive aquatic product storage bag according to claim 4, wherein: and an ink layer is coated on one of the valve films where the air inlet is positioned.
12. The fresh and alive aquatic product storage bag according to claim 1, wherein: at least one edge of the bag body is provided with a handle.
13. The process for producing a fresh and alive aquatic product storage bag according to claim 9, comprising the steps of:
the air charging channel is hot-pressed at the edge of the bag body film;
hot-pressing the first heat-seal line and the second heat-seal line on the valve film and/or the bag body film to form an air outlet channel;
forming an exhaust port on the valve film and the bag body film through hot-pressing and hot-sealing;
hot-pressing the protective heat-sealing part on the bag body film;
hot-pressing the sealing element on the top of the bag body film;
hot-pressing two sides of the bag body film according to a fixed length to form sealed edges;
cutting the bag body into individual storage bags according to fixed length;
and installing a buckle of the sealing element.
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| CN114946743B CN114946743B (en) | 2023-06-30 |
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| TW201204603A (en) * | 2010-07-27 | 2012-02-01 | Air Bag Packing Co Ltd | Air sealing body with naturally-opening gas valve |
| WO2016141616A1 (en) * | 2015-03-06 | 2016-09-15 | 王兴明 | Inflatable airbag with inflation channel free of heat mark |
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|---|---|
| CN114946743B (en) | 2023-06-30 |
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