CN111634546B - Leak-proof disposable plastic lunch box - Google Patents
Leak-proof disposable plastic lunch box Download PDFInfo
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- CN111634546B CN111634546B CN202010408633.1A CN202010408633A CN111634546B CN 111634546 B CN111634546 B CN 111634546B CN 202010408633 A CN202010408633 A CN 202010408633A CN 111634546 B CN111634546 B CN 111634546B
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- plastic lunch
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
- B65D45/02—Clamping or other pressure-applying devices for securing or retaining closure members for applying axial pressure to engage closure with sealing surface
- B65D45/30—Annular members, e.g. with snap-over action or screw-threaded
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- Mechanical Engineering (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
The invention belongs to the technical field of articles for daily use, and particularly relates to a leak-proof disposable plastic lunch box which comprises a box body, a box cover and a sealing part, wherein the box body is provided with a box cover; the upper end edge of the box body is provided with a first flange; the edge of the box cover is provided with a second flange; the second flange and the first flange are externally surrounded by a sealing part; according to the disposable plastic lunch box, the section of the sealing part is set to be in the shape of the rectangular notch, and the first flange on the box body and the second flange on the box cover are pressed and attached together through the shape of the rectangular notch of the sealing part, so that the box body and the box cover can be sealed, the disposable plastic lunch box can be well prevented from spilling and leaking food inside, and the use requirements of users can be met; through only need break off with seal part's head and the tail when opening the lid earlier, and then realize opening the lid, this in-process lid does not appear bending deformation, and then the problem that launches away the food juice on the lid can not appear, and then the better use of user of being convenient for more.
Description
Technical Field
The invention belongs to the technical field of articles for daily use, and particularly relates to a leak-proof disposable plastic lunch box.
Background
With the acceleration of life rhythm, people can not open takeaway in life, the takeaway mainly takes food as a main part and also comprises flowers, water, medicines, commodities and the like, the takeaway mainly taking food needs to be packaged through a packaged lunch box, and then delivery personnel can carry the takeaway conveniently, and then can deliver the takeaway to the hands of customers safely;
however, in the actual using process, the problem that the juice of the meal is spilled and leaked often occurs, so that poor using experience is brought to customers ordering the meal, and even merchants are subjected to poor evaluation; when the box cover of the lunch box is opened, a user can stick the juice of the meal on the hands, and poor use experience is brought to the user; and traditional lid need just can be lifted the lid along the marginal hard of lid when opening, and then launches away the food juice that is stained with on the lid in the twinkling of an eye of lifting easily, and then leads to food juice to splash on customer's clothes or on the dining table, and then brings inconvenience for the customer, seriously influences the mood of customer's meal even.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides a leak-proof disposable plastic lunch box. The food leakage prevention lunch box is mainly used for solving the problems that food leaks due to poor sealing effect of the existing disposable lunch box and food juice splashes to clothes of customers or dining tables when the box cover of the existing disposable lunch box is opened.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention provides a leak-proof disposable plastic lunch box, which comprises a box body, a box cover and a sealing part, wherein the box body is provided with a box cover; a first flange is arranged at the upper end edge of the box body; the first flange extends along the transverse outward direction; the box cover is arranged at the upper end of the box body; the edge of the box cover is provided with a second flange; the second flange extends outwards along the transverse direction; the second flange is attached to the first flange; the second flange and the first flange are externally surrounded by the sealing component; the section of the sealing part is in a rectangular notch shape with a single side opening; the sealing component presses and fits the first flange and the second flange together; the sealing part is of a strip structure, and the sealing part is connected end to end.
When the disposable plastic lunch box works, the section of the sealing part is set to be in the shape of a rectangular notch, and the first flange on the box body and the second flange on the box cover are extruded and attached together through the shape of the rectangular notch of the sealing part, so that the box body and the box cover can be sealed, the disposable plastic lunch box can be well prevented from spilling and leaking food inside, and the use requirements of users can be further met; particularly, the problem of food leakage can be prevented when the disposable lunch box is used for containing food for taking out and delivering.
The connection of the sealing parts is realized by arranging the strip-shaped sealing parts and connecting the sealing parts end to end, and then the first flange and the second flange are tightly extruded together in the form of a hoop by the sealing parts, so that the box body and the box cover are in sealing connection; simultaneously when the lid is opened to needs, through breaking off with sealing member's head and the tail earlier, and then realize taking off sealing member from a flange and No. two flanges, and then realize opening the lid, this in-process lid does not appear bending deformation, and then the problem of launching away the food juice on the lid can not appear, and then the better use of user of being convenient for more.
Preferably, a third flange extending inwards is arranged on the inner side of the upper edge of the sealing part; the inner side of the third flange extends upwards and inwards; the third flange comprises a supporting part and a limiting part; the upper end surface of the supporting part is of a plane structure; the outer part of the supporting part is connected with the limiting part; the upper end surface of the limiting part is of an upward protruding cambered surface structure; the outer part of the limiting part is connected with the sealing part; the middle part of the box cover is provided with an upward convex round platform structure; the top surface of the circular truncated cone structure is lower than the height of the upper end surface of the supporting part; broken grooves are intermittently arranged on the third flange along the circumferential direction; the break groove divides the third flange, and extends to the sealing member.
When the disposable plastic lunch box is used, if the disposable plastic lunch boxes are stacked, the bottom of the box body of the disposable plastic lunch box on the upper layer extrudes the supporting part of the disposable plastic lunch box on the lower layer, and then the sealing part of the disposable plastic lunch box on the lower layer is driven to extrude the second flange on the box cover, so that the extrusion and lamination tightness between the second flange and the first flange on the box body below is improved, the sealing degree of the box body and the box cover of the disposable plastic lunch box on the lower layer is further improved, the food in the disposable plastic lunch box is more effectively prevented from leaking, and the use effect of a user is further improved; and the box cover of the disposable plastic lunch box on the lower layer is prevented from being extruded and deformed by the disposable plastic lunch box on the upper layer, so that the appearance of the disposable plastic lunch box is ensured to be intact, and the using effect is improved.
The spacing portion through the disposable plastics lunch-box of lower floor can carry on spacingly to the disposable plastics lunch-box on upper strata simultaneously, and then has improved the stability that disposable plastics lunch-box piled up, and then improves disposable plastics lunch-box security in the use.
Preferably, a first chamfer surface is arranged on the edge of the upper end surface of the first flange; and a second chamfer surface is arranged on the edge of the lower end surface of the second flange.
The edge of the upper end face of the first flange is provided with the first chamfer face, the edge of the lower end face of the second flange is provided with the second chamfer face, the first flange and the second flange are easier to deform in the process of extrusion of the sealing part, and a more determined extrusion point can be generated between the first flange and the second flange, so that stable sealing connection between the first flange and the second flange is ensured, and further the sealing effect of the disposable plastic lunch box is ensured, and further the use requirements of users are better met.
Preferably, a fixing groove is formed in the middle of the inner side of the sealing part; the fixing groove transversely penetrates through the sealing component; a sealing strip is arranged in the fixed groove; the arc surface on one side of the sealing strip is fixedly connected in the fixing groove; and the other side arc surface of the sealing strip is abutted against the first chamfer surface and the second chamfer surface.
Through setting up the sealing strip in the inboard middle part at sealing element, and then carrying out the in-process sealed to box body and lid through sealing element, the sealing strip is contradicted with chamfer face and No. two chamfer faces, and then realizes further sealing the contact surface between box body and the lid, and then guarantees the sealed effect between box body and the lid more reliably, has further improved leakproofness and the security when the user uses.
Preferably, an arc bulge is arranged on the outer side of one end of the sealing component; a rectangular through groove is transversely formed in the middle of the arc bulge; first gear teeth are arranged on the upper top surface and the lower bottom surface of the rectangular through groove; a connecting strip is arranged on the end face of the other end of the sealing component; the upper surface and the lower surface of the connecting strip are both provided with a second gear tooth; the second gear teeth are mutually clamped and connected with the first gear teeth.
Through the intermeshing of No. two teeth of a cogwheel and a teeth of a cogwheel, and then realize running through the groove with connecting strip and rectangle and be connected, and then realize sealing member's end to end connection, the in-process user can carry out the elasticity that reasonable selection connecting strip and rectangle run through the groove and be connected according to respective sealed requirement and the temperature of food, and then the different user demand of better satisfying the user and sealed stability.
Preferably, the third flange and the sealing component are integrally formed.
Preferably, a closed cavity is arranged inside the sealing strip; the sealing strip is made of silica gel.
Through setting up the inside sealing strip that has airtight cavity for the sealing strip is out of shape more easily, and then makes the sealing strip better contradict with a chamfer face and No. two chamfer faces, and then realizes further sealing the contact surface between box body and the lid, and then guarantees the sealed effect between box body and the lid more reliably, has further improved leakproofness and the security when the user uses.
The invention has the following beneficial effects:
1. according to the disposable plastic lunch box, the section of the sealing part is set to be in the shape of the rectangular notch, and the first flange on the box body and the second flange on the box cover are pressed and attached together through the shape of the rectangular notch of the sealing part, so that the box body and the box cover can be sealed, the disposable plastic lunch box can be prevented from spilling and leaking food inside well, and the use requirements of users can be met; the problem of food leakage can be prevented particularly when the disposable lunch box is used for containing food for taking out and delivering; the connection of the sealing parts is realized by arranging the strip-shaped sealing parts and connecting the sealing parts end to end, and then the first flange and the second flange are tightly extruded together in the form of a hoop by the sealing parts, so that the box body and the box cover are in sealing connection; simultaneously when the lid is opened to needs, through breaking off with sealing member's head and the tail earlier, and then realize taking off sealing member from a flange and No. two flanges, and then realize opening the lid, this in-process lid does not appear bending deformation, and then the problem of launching away the food juice on the lid can not appear, and then the better use of user of being convenient for more.
2. According to the invention, the supporting part of the disposable plastic lunch box at the lower layer is extruded through the bottom of the box body of the disposable plastic lunch box at the upper layer, so that the sealing part of the disposable plastic lunch box at the lower layer is driven to extrude the second flange on the box cover, the tightness of extrusion and lamination between the second flange and the first flange on the box body below is further improved, the sealing degree of the box body and the box cover of the disposable plastic lunch box at the lower layer is further improved, the food in the disposable plastic lunch box is more effectively prevented from leaking, and the use effect of a user is further improved; and the box cover of the disposable plastic lunch box on the lower layer is prevented from being extruded and deformed by the disposable plastic lunch box on the upper layer, so that the appearance of the disposable plastic lunch box is ensured to be intact, and the using effect is improved.
3. According to the invention, the first chamfer surface is arranged on the edge of the upper end surface of the first flange and the second chamfer surface is arranged on the edge of the lower end surface of the second flange, so that the first flange and the second flange are easier to deform in the extrusion process of the sealing part, a more determined extrusion point can be generated between the first flange and the second flange, the first flange and the second flange can be stably connected in a sealing manner, the sealing effect of the disposable plastic lunch box is further ensured, and the use requirements of users are further better met.
4. According to the sealing device, the sealing strip is arranged in the middle of the inner side of the sealing part, so that the sealing strip is abutted against the first chamfer surface and the second chamfer surface in the process of sealing the box body and the box cover through the sealing part, further sealing of the contact surface between the box body and the box cover is realized, the sealing effect between the box body and the box cover is further reliably ensured, and the sealing performance and the safety of a user in use are further improved.
5. According to the sealing component, the connecting strip is connected with the rectangular through groove by means of mutual meshing of the second gear teeth and the first gear teeth, and then end-to-end connection of the sealing component is achieved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic view of the overall structure of the disposable plastic lunch box of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of the internal structure of the disposable plastic lunch box according to the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
FIG. 5 is a schematic view of the structure of the sealing member of the present invention;
in the figure: the box body 1, the first flange 11, the first chamfered surface 111, the box cover 2, the second flange 21, the second chamfered surface 211, the sealing part 3, the third flange 31, the supporting part 311, the limiting part 312, the breaking groove 313, the sealing strip 32, the arc protrusion 33, the rectangular through groove 331, the first gear tooth 332, the connecting strip 34 and the second gear tooth 341.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, a leakage-proof disposable plastic lunch box comprises a box body 1, a box cover 2 and a sealing part 3; a first flange 11 is arranged at the upper end edge of the box body 1; the first flange 11 extends outwards along the transverse direction; the upper end of the box body 1 is provided with the box cover 2; the edge of the box cover 2 is provided with a second flange 21; the second flange 21 extends outwards along the transverse direction; the second flange 21 is attached to the first flange 11; the second flange 21 and the first flange 11 are externally surrounded by the sealing part 3; the section of the sealing component 3 is in a rectangular notch shape with a single side opening; the sealing component 3 presses and fits the first flange 11 and the second flange 21 together; the sealing component 3 is of a strip-shaped structure, and the sealing component 3 is connected end to end.
When the disposable plastic lunch box works, the section of the sealing part 3 is set to be in a rectangular notch shape, and the first flange 11 on the box body 1 and the second flange 21 on the box cover 2 are extruded and attached together through the rectangular notch shape of the sealing part 3, so that the box body 1 and the box cover 2 can be sealed, the disposable plastic lunch box can be used for well preventing food inside from spilling and leaking, and the use requirements of users are met; particularly, the problem of food leakage can be prevented when the disposable lunch box is used for containing food for taking out and delivering.
The sealing parts 3 are connected in an end-to-end connection mode through the strip-shaped sealing parts 3, the first flange 11 and the second flange 21 are tightly extruded together in a hoop mode through the sealing parts 3, and the box body 1 and the box cover 2 are connected in a sealing mode; simultaneously when lid 2 is being opened to needs, through the end to end disconnection earlier with sealing member 3, and then realize taking off sealing member 3 from a flange 11 and No. two flanges 21, and then realize opening lid 2, bending deformation does not appear in this in-process lid 2, and then the problem that launches away the food juice on lid 2 can not appear, and then the better use of the user of being convenient for more.
As shown in fig. 1 to 5, a third flange 31 extending inward is provided on the upper edge of the sealing member 3; the inner side of the third flange 31 extends upwards and inwards; the third flange 31 comprises a supporting part 311 and a limiting part 312; the upper end surface of the supporting part 311 is a plane structure; the outer part of the supporting part 311 is connected with the limiting part 312; the upper end surface of the limiting part 312 is of an arc surface structure protruding upwards; the outer part of the limiting part 312 is connected with the sealing component 3; the middle part of the box cover 2 is provided with an upward convex round platform structure; the top surface of the circular truncated cone structure is lower than the height of the upper end surface of the supporting part 311; break grooves 313 are arranged on the third flange 31 intermittently along the circumferential direction; the break groove 313 divides the third flange 31, and the break groove 313 extends to the seal member 3.
When the disposable plastic lunch box is used, if the disposable plastic lunch boxes are stacked, the bottom of the box body 1 of the upper disposable plastic lunch box extrudes the supporting part 311 of the lower disposable plastic lunch box, and then the sealing part 3 of the lower disposable plastic lunch box is driven to extrude the second flange 21 on the box cover 2, so that the extrusion and lamination tightness between the second flange 21 and the first flange 11 on the lower box body 1 is improved, the sealing degree of the box body 1 and the box cover 2 of the lower disposable plastic lunch box is further improved, and further food leakage in the disposable plastic lunch box is more effectively prevented, and the using effect of a user is further improved; and the box cover 2 of the disposable plastic lunch box on the lower layer is prevented from being extruded and deformed by the disposable plastic lunch box on the upper layer, so that the appearance of the disposable plastic lunch box is ensured to be intact, and the using effect is improved.
Meanwhile, the limiting part 312 of the disposable plastic lunch box on the lower layer can limit the disposable plastic lunch box on the upper layer, so that the stacking stability of the disposable plastic lunch box is improved, and the safety of the disposable plastic lunch box in the using process is improved.
As shown in fig. 3 and 4, a first chamfered surface 111 is arranged on the upper end face edge of the first flange 11; and a second chamfered surface 211 is arranged on the edge of the lower end surface of the second flange 21.
Through set up chamfer 111 No. one at the up end border of a flange 11 and set up chamfer 211 No. two at the lower extreme border of No. two flanges 21, and then make a flange 11 and No. two flanges 21 warp more easily receiving the extruded in-process of seal part 3, and then guarantee to produce more definite extrusion point between a flange 11 and No. two flanges 21, and then guarantee that can be stable carry out sealing connection between a flange 11 and No. two flanges 21, and then guaranteed the sealed effect of disposable plastics lunch-box, and then better satisfy user's operation requirement.
As shown in fig. 3 and 4, a fixing groove is arranged in the middle of the inner side of the sealing component 3; the fixing groove transversely penetrates through the sealing component 3; a sealing strip 32 is arranged in the fixing groove; the arc surface on one side of the sealing strip 32 is fixedly connected in the fixing groove; the other side arc surface of the sealing strip 32 is abutted against the first chamfer surface 111 and the second chamfer surface 211.
Through setting up sealing strip 32 in the inboard middle part at sealing element 3, and then carrying out the in-process sealed to box body 1 and lid 2 through sealing element 3, sealing strip 32 contradicts with chamfer face 111 and No. two chamfer faces 211, and then realizes further sealing the contact surface between box body 1 and the lid 2, and then guarantees the sealed effect between box body 1 and the lid 2 more reliably, has further improved leakproofness and the security when the user uses.
As shown in fig. 2 and 4, an arc protrusion 33 is arranged on the outer side of one end of the sealing component 3; a rectangular through groove 331 is transversely arranged in the middle of the arc protrusion 33; the upper top surface and the lower bottom surface of the rectangular through groove 331 are both provided with a first gear tooth 332; a connecting strip 34 is arranged on the end face of the other end of the sealing component 3; the upper surface and the lower surface of the connecting strip 34 are both provided with a second gear tooth 341; the second gear teeth 341 and the first gear teeth 332 are mutually clamped and connected.
Through No. two teeth of a cogwheel 341 and the intermeshing of a teeth of a cogwheel 332, and then realize penetrating groove 331 with connecting strip 34 and rectangle and be connected, and then realize seal part 3's end to end connection, the in-process user can carry out reasonable selection connecting strip 34 and the elasticity that the groove 331 is connected is penetrated to the rectangle according to respective sealed requirement and the temperature of food, and then the different user demand of better satisfying user and sealed stability.
As shown in fig. 1 to 5, the third flange 31 is formed integrally with the sealing member 3.
As shown in fig. 4, a closed cavity is arranged inside the sealing strip 32; the sealing strip 32 is made of silica gel.
Through setting up inside sealing strip 32 that has airtight cavity for sealing strip 32 is out of shape more easily, and then makes sealing strip 32 better contradict with a chamfer face 111 and No. two chamfer faces 211, and then realizes further sealing the contact surface between box body 1 and lid 2, and then guarantees the sealed effect between box body 1 and the lid 2 more reliably, has further improved leakproofness and the security when the user uses.
When the disposable plastic lunch box works, the section of the sealing part 3 is set to be in a rectangular notch shape, and the first flange 11 on the box body 1 and the second flange 21 on the box cover 2 are extruded and attached together through the rectangular notch shape of the sealing part 3, so that the box body 1 and the box cover 2 can be sealed, the disposable plastic lunch box can be used for well preventing food inside from spilling and leaking, and the use requirements of users are met; the sealing parts 3 are connected in an end-to-end connection mode through the strip-shaped sealing parts 3, the first flange 11 and the second flange 21 are tightly extruded together in a hoop mode through the sealing parts 3, and the box body 1 and the box cover 2 are connected in a sealing mode; meanwhile, when the box cover 2 needs to be opened, the sealing part 3 is taken down from the first flange 11 and the second flange 21 by firstly disconnecting the end of the sealing part 3, so that the box cover 2 is opened, and the problem that food juice on the box cover 2 is ejected out is solved because the box cover 2 does not bend or deform in the process, so that better use is facilitated for a user; through No. two teeth of a cogwheel 341 and the intermeshing of a teeth of a cogwheel 332, and then realize penetrating groove 331 with connecting strip 34 and rectangle and be connected, and then realize seal part 3's end to end connection, the in-process user can carry out reasonable selection connecting strip 34 and the elasticity that the groove 331 is connected is penetrated to the rectangle according to respective sealed requirement and the temperature of food, and then the different user demand of better satisfying user and sealed stability.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. A leak-proof disposable plastic lunch box is characterized in that: comprises a box body (1), a box cover (2) and a sealing part (3); a first flange (11) is arranged at the upper end edge of the box body (1); the first flange (11) extends outwards along the transverse direction; the upper end of the box body (1) is provided with the box cover (2); the edge of the box cover (2) is provided with a second flange (21); the second flange (21) extends outwards along the transverse direction; the second flange (21) is attached to the first flange (11); the second flange (21) and the first flange (11) are externally surrounded by the sealing part (3); the cross section of the sealing component (3) is in a rectangular notch shape with a single-side opening; the sealing component (3) presses and fits the first flange (11) and the second flange (21) together; the sealing parts (3) are of strip structures, and the sealing parts (3) are connected end to end;
a third flange (31) extending inwards is arranged on the inner side of the upper edge of the sealing component (3); the inner side of the third flange (31) extends upwards and inwards; the third flange (31) comprises a supporting part (311) and a limiting part (312); the upper end surface of the supporting part (311) is of a plane structure; the outer part of the supporting part (311) is connected with the limiting part (312); the upper end surface of the limiting part (312) is of an upward protruding cambered surface structure; the outer part of the limiting part (312) is connected with the sealing part (3); the middle part of the box cover (2) is provided with an upward convex circular truncated cone structure; the top surface of the circular truncated cone structure is lower than the height of the upper end surface of the supporting part (311); break grooves (313) are intermittently arranged on the third flange (31) along the circumferential direction; the break groove (313) divides the third flange (31), and the break groove (313) extends to the seal member (3).
2. The leak-proof disposable plastic lunch box as claimed in claim 1, wherein: a first chamfered surface (111) is arranged on the edge of the upper end surface of the first flange (11); and a second chamfered surface (211) is arranged on the edge of the lower end surface of the second flange (21).
3. The leak-proof disposable plastic lunch box as claimed in claim 2, wherein: a fixing groove is formed in the middle of the inner side of the sealing component (3); the fixing groove transversely penetrates through the sealing component (3); a sealing strip (32) is arranged in the fixing groove; the arc surface on one side of the sealing strip (32) is fixedly connected in the fixing groove; and the arc surface on the other side of the sealing strip (32) is abutted against the first chamfer surface (111) and the second chamfer surface (211).
4. A leak-proof disposable plastic lunch box according to claim 3, characterized in that: an arc bulge (33) is arranged on the outer side of one end of the sealing component (3); a rectangular through groove (331) is transversely formed in the middle of the arc protrusion (33); the upper top surface and the lower bottom surface of the rectangular through groove (331) are provided with a first gear tooth (332); a connecting strip (34) is arranged on the end face of the other end of the sealing component (3); the upper surface and the lower surface of the connecting strip (34) are both provided with a second gear tooth (341); the second gear teeth (341) are mutually clamped and connected with the first gear teeth (332).
5. The leak-proof disposable plastic lunch box as claimed in claim 1, wherein: the third flange (31) and the sealing component (3) are integrally formed.
6. A leak-proof disposable plastic lunch box according to claim 3, characterized in that: a closed cavity is arranged in the sealing strip (32); the sealing strip (32) is made of silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010408633.1A CN111634546B (en) | 2020-05-14 | 2020-05-14 | Leak-proof disposable plastic lunch box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010408633.1A CN111634546B (en) | 2020-05-14 | 2020-05-14 | Leak-proof disposable plastic lunch box |
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| CN111634546A CN111634546A (en) | 2020-09-08 |
| CN111634546B true CN111634546B (en) | 2021-12-24 |
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| CN114190671B (en) * | 2021-12-23 | 2023-03-28 | 台山市世亨包装材料有限公司 | Disposable lunch box easy to judge whether to be opened or not |
| CN114368550A (en) * | 2022-01-21 | 2022-04-19 | 广州乐昇科技有限公司 | Disposable fruit packaging and fresh-keeping plastic box |
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| AU2004100207B4 (en) * | 2003-11-25 | 2004-11-11 | Nci Holdings Pty Ltd | A reusable closure for a container |
| CN206351850U (en) * | 2016-11-22 | 2017-07-25 | 湖州中亚包装有限公司 | Pail pack is latched |
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| EP0563567A1 (en) * | 1992-04-03 | 1993-10-06 | SCHEMM GmbH | Safety ring |
| CN200957921Y (en) * | 2006-09-25 | 2007-10-10 | 常熟市双乐彩印包装有限公司 | Packing cylinder |
| FR2908394B1 (en) * | 2006-11-14 | 2010-12-17 | Safpac | SECURED LOCK FREIGHT |
| CN200988636Y (en) * | 2006-12-26 | 2007-12-12 | 何添 | Fixing structure of bucket cover |
| WO2018189407A1 (en) * | 2017-04-11 | 2018-10-18 | Mateo Gimenez Diego | Clamp band for metal drums |
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| CN111634546A (en) | 2020-09-08 |
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