CN202072091U - One-way exhaust sealing film - Google Patents
One-way exhaust sealing film Download PDFInfo
- Publication number
- CN202072091U CN202072091U CN2011201547667U CN201120154766U CN202072091U CN 202072091 U CN202072091 U CN 202072091U CN 2011201547667 U CN2011201547667 U CN 2011201547667U CN 201120154766 U CN201120154766 U CN 201120154766U CN 202072091 U CN202072091 U CN 202072091U
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- way exhaust
- exhaust valve
- hole
- sealing film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Closures For Containers (AREA)
Abstract
The utility model relates to a one-way exhaust sealing film, wherein a sealing film is equipped with a through hole and a one-way exhaust valve is arranged on the sealing film so as to form the one-way exhaust sealing film. The exhaust direction of the one-way exhaust valve is opposite to the connection direction of the sealing film. A container sealed by the one-way exhaust sealing film can still unidirectionally discharge superfluous gas after being closed. The one-way exhaust sealing film can be used for packaging gas production goods, such as pickled vegetables, newly baked coffee beans and forage. Since the vacuum packaging technique is adopted by the one-way exhaust sealing film, the packaging cost is reduced.
Description
Affiliated technical field
The utility model relates to a kind of diaphragm of closed container oral area, especially can unidirectional exhaust seal film.
Background technology
At present, the known film that seals is made of at least one floor height Molecularly Imprinted Polymer, can cover the diaphragm for the treatment of the closed container oral area fully.This diaphragm also comprises aluminium foil layer, adhesive coating, insulating pad layer, high molecular polymer printed layers sometimes.Contact with the vessel port end face when sealing film, pressurized is or/and when being heated, can be by bonding or fusion and leak-tight joint together.Thereby the closed container oral area is effectively protected content in the container reliably.But the existing film that seals is continuous integral body, and closed container merely makes inaccessiable while of gas of external container, has also intercepted the discharge of internal gas.Container after sealing is heated or during the unnecessary gas of packing content deposits yields, can produces big pressure in the container and cause seal failure or container to damage.
Summary of the invention
Can not be in order to overcome the existing film that seals in the deficiency of sealing the inner unnecessary gas of back amount discharge container, the utility model provides a kind of unidirectional exhaust to seal film, this unidirectional exhaust is sealed film and can not only be intercepted extraneous gas behind closed container and enter in the container, and can be behind closed container unnecessary gas in the unidirectional amount discharge container, avoid container inner pressure excessive.
The technical scheme that its technical matters that solves the utility model adopts is: film is sealed in a kind of unidirectional exhaust, constitute by at least one floor height Molecularly Imprinted Polymer, can cover the diaphragm for the treatment of the closed container oral area fully, diaphragm contact with the vessel port end face and the contact position pressurized or/and when being heated, can make the contact position form bonding or fusion and leak-tight joint together, it is characterized in that: sealed diaphragm portion what surround with the corresponding coupling link of vessel port end face, the through hole and the cooresponding one-way exhaust valve of at least one no transverse leakage are set, a valve port of one-way exhaust valve covers on the through hole, and the one-way exhaust valve shell around the valve port is tightly connected with the membrane surface that seals around the through hole, and the exhaust of one-way exhaust valve is moved towards with to seal diaphragm closure opposite.Film is bonding or merge behind container finish along closure when sealing, and the admission port of check valve is communicated with internal tank, and exhausr port is communicated with external container.When container internal pressure was lower than external pressure, one-way exhaust valve was closed, and external container is effectively protected content with inner isolated.When container internal pressure was higher than external pressure, one-way exhaust valve was opened, and unnecessary gas in the amount discharge container reaches the purpose of avoiding container inner pressure excessive.
The beneficial effects of the utility model are, can be at the closed container oral area, effectively protect container contents in, timely unnecessary gas in the amount discharge container is avoided pressing in the container excessively causing seal of vessel to lose efficacy or damage.Can be used for packing various aerogenesis materials, as the pickles in the fermentation, the fresh coffee beans that cure.The utility model also makes the sterilization process that container application vacuum quality-preserving technical costs is lower, be more convenient for relating to heating, and is simple in structure, dependable performance.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the elevation profile constructional drawing that first embodiment of film is sealed in unidirectional exhaust.
Fig. 2 is the assembling scheme drawing that first embodiment of film is sealed in unidirectional exhaust.
Fig. 3 is the elevation profile constructional drawing that second embodiment of film sealed in unidirectional exhaust.
Fig. 4 is the elevation profile constructional drawing that the 3rd embodiment of film sealed in unidirectional exhaust.
Fig. 5 is the assembling scheme drawing that the 3rd embodiment of film sealed in unidirectional exhaust.
1. one-way exhaust valve 2. seals diaphragm, 3. through hole, and 4. vessel port end face, 5. intake valve port, 6. container, 7. high molecular polymer printed layers, 8. aluminium foil layer, 9. high molecular polymer connects internal layer, 10. foaming macromolecular polymer heat insulation bed course, 11. exhaust valve ports.
The specific embodiment
In Fig. 1, first embodiment shown in Figure 2, seal diaphragm 2 and connect internal layer 9 order is bonding by high molecular polymer printed layers 7, aluminium foil layer 8, high molecular polymer and constitute.Seal diaphragm 2 and can cover fully and treat the closed container oral area, its shape has more a projection than the cylindrical for the treatment of the closed container mouth, puts forth effort when sealing diaphragm so that open.Seal on the diaphragm 2 surrounding with vessel port end face 4 cooresponding coupling links, a through hole 3 is set, optimum seeking site is for sealing diaphragm 2 centers, and the aperture is less than or equal to 7 millimeters.Seal between diaphragm 2 each layers to be connected to sealed-for-life bonding, transverse leakage appears to avoid through hole 3.One-way exhaust valve 1 is selected laminar self-adhesion one-way exhaust valve for use, and intake valve port 5 is the circle of 7 millimeters of diameters, is positioned at one-way exhaust valve 1 bottom.The one-way exhaust valve shell of intake valve port 5 one sides all is coated with pressure sensitive adhesive.Contraposition bonding one-way exhaust valve 1 bottom and high molecular polymer printed layers 7 are on the through hole 3 that intake valve port 5 is covered seal diaphragm 2.Diaphragm 2 face seals that seal around the shell of one-way exhaust valve 1 and the through hole 3 are connected, and its exhaust is moved towards with to seal diaphragm 2 closures opposite.With the above-mentioned film that seals, cover container 6 oral areas, along sealing the extruding of diaphragm 2 and vessel port closure and applying the rotary inductive electromagnetic field, aluminium foil layer 8 produces instantaneous high heat, make high molecular polymer connect the coupling link part hot melt of internal layer 9, and combine together, thereby firm closed container 6 with the vessel port end face 4 that is contacted.After container 6 was closed, when internal pressure was higher than external pressure, the one-way exhaust valve 1 that seals on the diaphragm 2 was opened the unnecessary gas of discharge, avoids container pressurized unstability or seal failure.When container internal pressure was lower than external pressure, the one-way exhaust valve 1 that seals on the diaphragm 2 was closed, and intercepted extraneous air and entered container 6 damage contents.
In second embodiment shown in Figure 3, seal diaphragm 2 and connect internal layer 9 order is bonding by foaming macromolecular polymer heat insulation bed course 10, aluminium foil layer 8, high molecular polymer and constitute.Sealed diaphragm 2 parts what surround, be provided with a through hole 3 with vessel port end face 4 corresponding coupling links.Seal between each layer of diaphragm 2 to be connected to sealed-for-life bonding, transverse leakage appears to avoid through hole 3.One-way exhaust valve 1 is selected laminar self-adhesion one-way exhaust valve for use, is bonded in foaming macromolecular polymer heat insulation bed course 10, and its intake valve port 5 covers on the through hole 3 that seals diaphragm 2.
In Fig. 4, the 3rd embodiment shown in Figure 5, sealing diaphragm 2 is made of the individual layer high molecular polymer, one-way exhaust valve 1 is selected the One-way Plastic Valves of circular pipe reducer for use, exhaust valve port 11 is arranged on enlarged rounded head one side, the check valve enlarged rounded head has annular end face, is easy to heat seal or is bonded on the material of plane.In the present embodiment, one-way exhaust valve 1 heat seal contacts a side with treating closed container 6 sealing diaphragm 2, and exhaust valve port 11 covers on the through hole 3.Seal after diaphragm 2 is enclosed in the oral area of container 6, the exhaust valve port 11 of one-way exhaust valve 1 sees through through hole 3 and is connected with outside, the membrane surface that seals around one-way exhaust valve shell around the exhaust valve port 11 and the through hole 3 is tightly connected, seal diaphragm 2 and can be made as coiled material, just install one-way exhaust valve 1 during use, be enclosed in vessel port end face 4 and will be used for closure part simultaneously and cut from coiled material.
Claims (4)
1. film is sealed in a unidirectional exhaust, constitute by at least one floor height Molecularly Imprinted Polymer, can cover the diaphragm for the treatment of the closed container oral area fully, diaphragm contact with the vessel port end face and the contact position pressurized or/and when being heated, can make the contact position form bonding or fusion and leak-tight joint together, it is characterized in that: in that corresponding coupling link surrounded seals diaphragm (2) part with vessel port end face (4), the through hole (3) and the cooresponding one-way exhaust valve (1) of at least one no transverse leakage are set, a valve port of one-way exhaust valve (1) covers on the through hole (3), and one-way exhaust valve shell and through hole (3) membrane surface that seals on every side around the valve port are tightly connected, and the exhaust of one-way exhaust valve (1) is moved towards with to seal diaphragm (2) closure opposite.
2. film is sealed in unidirectional exhaust according to claim 1, it is characterized in that: seal diaphragm (2) and connect the bonding formation of internal layer (9) order by high molecular polymer printed layers (7), aluminium foil layer (8), high molecular polymer, one-way exhaust valve (1) is bonded in high molecular polymer printed layers (7), and its intake valve port (5) covers on the through hole (3) that seals diaphragm (2).
3. diaphragm (2) is sealed in unidirectional exhaust according to claim 1, it is characterized in that: seal diaphragm (2) and connect the bonding formation of internal layer (9) order by foaming macromolecular polymer heat insulation bed course (10), aluminium foil layer (8), high molecular polymer, one-way exhaust valve (1) is bonded in foaming macromolecular polymer heat insulation bed course (10), and its intake valve port (5) covers on the through hole (3) that seals diaphragm (2).
4. diaphragm (2) is sealed in unidirectional exhaust according to claim 1, it is characterized in that: seal diaphragm (2) and constitute by the individual layer high molecular polymer, one-way exhaust valve (1) heat seal contacts a side with treating closed container (6) sealing diaphragm (2), and exhaust valve port (11) covers on the through hole (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201547667U CN202072091U (en) | 2011-05-16 | 2011-05-16 | One-way exhaust sealing film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201547667U CN202072091U (en) | 2011-05-16 | 2011-05-16 | One-way exhaust sealing film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202072091U true CN202072091U (en) | 2011-12-14 |
Family
ID=45110200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201547667U Expired - Fee Related CN202072091U (en) | 2011-05-16 | 2011-05-16 | One-way exhaust sealing film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202072091U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071232A (en) * | 2012-12-31 | 2013-05-01 | 浙江玉升医疗器械股份有限公司 | Manufacturing device for urine bag check valve |
| CN107891651A (en) * | 2017-10-31 | 2018-04-10 | 平湖市鸿兴包装材料有限公司 | A kind of manufacture method of single-phase air-permeable paper |
| CN110352168A (en) * | 2017-03-17 | 2019-10-18 | 米克瓦科股份公司 | Check valve for food packaging article |
| CN114955255A (en) * | 2021-02-25 | 2022-08-30 | 青岛经天纬地实业有限公司 | Exhaust heat-preservation anti-splash food box and ventilation part |
-
2011
- 2011-05-16 CN CN2011201547667U patent/CN202072091U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071232A (en) * | 2012-12-31 | 2013-05-01 | 浙江玉升医疗器械股份有限公司 | Manufacturing device for urine bag check valve |
| CN103071232B (en) * | 2012-12-31 | 2015-04-29 | 浙江玉升医疗器械股份有限公司 | Manufacturing device for urine bag check valve |
| CN110352168A (en) * | 2017-03-17 | 2019-10-18 | 米克瓦科股份公司 | Check valve for food packaging article |
| CN107891651A (en) * | 2017-10-31 | 2018-04-10 | 平湖市鸿兴包装材料有限公司 | A kind of manufacture method of single-phase air-permeable paper |
| CN114955255A (en) * | 2021-02-25 | 2022-08-30 | 青岛经天纬地实业有限公司 | Exhaust heat-preservation anti-splash food box and ventilation part |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202072091U (en) | One-way exhaust sealing film | |
| CN207050547U (en) | A kind of plate type heat exchanger sealing structure | |
| CN202115841U (en) | Heat sealing packing box | |
| CN205923786U (en) | Electric pressure cooker's steam valve | |
| CN203486303U (en) | Elastic body one-way exhaust container | |
| CN205997479U (en) | Aluminum plastic film production energy-conserving drying device | |
| CN202708402U (en) | Flange cover connection structure with precoating sealing layer | |
| CN206861088U (en) | A kind of stainless steel ripple Gas Pipe | |
| CN202518455U (en) | Fireproof and heat-insulation structure of engine nacelle and wing connecting region | |
| CN203601733U (en) | Novel forming packaging bag easy to uncover | |
| CN201619755U (en) | Valve port packing bag | |
| CN206885738U (en) | A kind of can of sealing | |
| CN211197219U (en) | Novel air buffer body with air locking function | |
| CN204433306U (en) | A kind of heat sealing packaging bag | |
| CN202728841U (en) | Easily-torn aluminium foil film | |
| CN208331279U (en) | A kind of sealing mechanism for valve | |
| CN201834342U (en) | Sealing cover | |
| CN207441757U (en) | A kind of flexible battery of the bending without folding line | |
| CN201731785U (en) | Heat pipe and manufacturing equipment thereof | |
| CN204890597U (en) | Infusion packing is with sealed pad pasting lid | |
| CN214650294U (en) | Automatic burst type exhaust device applied to packaging bag | |
| CN105030535A (en) | Sealing film-coated cover for transfusion packaging | |
| CN205972303U (en) | Automatic gassing wrapping bag | |
| CN202449369U (en) | Waterproof ventilating electromagnetic induction aluminum foil gasket for packaging | |
| CN204688634U (en) | A kind of Novel aluminium foil bag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20140516 |