CN114056715A - Reinforced tray structure suitable for wet and cold environment and manufacturing method thereof - Google Patents
Reinforced tray structure suitable for wet and cold environment and manufacturing method thereof Download PDFInfo
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- CN114056715A CN114056715A CN202111310481.2A CN202111310481A CN114056715A CN 114056715 A CN114056715 A CN 114056715A CN 202111310481 A CN202111310481 A CN 202111310481A CN 114056715 A CN114056715 A CN 114056715A
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- substrate
- panel
- connecting part
- channel
- mounting
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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
- B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D19/38—Details or accessories
-
- 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
- B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D19/0004—Rigid pallets without side walls
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention relates to the technical field of trays, in particular to a reinforced tray structure suitable for a wet and cold environment and a manufacturing method thereof, wherein the tray structure comprises a substrate, a panel, supporting legs and a steel pipe, wherein the substrate is provided with an installation channel, and the upper side surface and the lower side surface of the substrate are both provided with connecting holes for communicating the connecting holes to the installation channel; a first connecting part is arranged on one side of the panel close to the substrate, the first connecting part is inserted into the mounting channel through the connecting hole, a first connecting hole is formed in the first connecting part, a second connecting part is arranged at the upper end of the supporting leg, the second connecting part is inserted into the mounting channel through the connecting hole, a second connecting hole is formed in the second connecting part, and the steel pipe is inserted into the mounting channel; the panel and the substrate are provided with communicated material injection holes for injecting hot melt adhesive into the installation channel; the tray structure provided by the invention ensures the sealing property of the steel pipe in the substrate, and avoids the problem that the steel pipe is rusted due to contact with condensation or water, so that the service life is influenced.
Description
Technical Field
The invention relates to the technical field of trays, in particular to a reinforced tray structure suitable for a wet and cold environment and a manufacturing method thereof.
Background
The tray is widely applied to the processes of production, transportation, storage and the like of goods, and can be divided into a wood tray, a paper tray, a metal tray, a plastic tray, other composite trays and the like according to different materials as a transportation carrier with great use amount. Due to the limitation of the ISPM 15 convention (the wooden packaging material management guidelines in international trade) and the lack of wood resources in our country, more and more wooden pallets are replaced by green and environmentally friendly plastic pallets. The conventional plastic pallet is produced from industrial plastic as a raw material. The plastic tray is made of thermoplastic plastics, low-pressure high-density polyethylene (HDPE) or polypropylene (PP) is generally used as a master batch, about 20-30% of self-reclaimed materials are added, and 1-2% of additive master batches (such as flame retardants, reinforcing agents and the like) can be added according to needs.
In the practical application process, in order to improve the upper limit of the bearing capacity of the plastic tray, a steel pipe is usually arranged in the plastic tray, so that the plastic tray is not easy to deform in the using process, and the service life of the plastic tray is further effectively prolonged. The existing plastic tray with built-in steel pipes is usually manufactured by a core-pulling process to form a mounting groove, but after the steel pipes are placed in the mounting groove, a gap is left at the bottom of the mounting groove, so that the steel pipes are in contact with the external environment. Therefore, the plastic tray with the built-in steel pipe is not suitable for being applied to a wet and cold environment, particularly a cold storage for storing fresh food, otherwise, the built-in steel pipe is in long-term contact with condensation or water to cause rusting; in addition, the plastic tray with built-in steel pipes in the prior art does work in a wet and cold environment, and in order to ensure safety, whether the plastic tray with built-in steel pipes can work effectively or not needs to be checked regularly, which undoubtedly causes inconvenience in use.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a reinforced tray structure suitable for a wet and cold environment, which can effectively avoid the contact of a built-in steel pipe with the external wet and cold environment, ensure the reinforcing effect of the built-in steel pipe on a plastic tray and prolong the service life of the plastic tray with the built-in steel pipe under the wet and cold environment condition.
In order to achieve the above object, a first aspect of the present invention provides a reinforced pallet structure suitable for use in a wet and cold environment, comprising:
the mounting structure comprises a substrate, a plurality of mounting channels and a plurality of connecting holes, wherein the mounting channels extend along the length direction of the substrate and are arranged in parallel at intervals;
the panel is arranged on the upper side face of the substrate, one side of the panel, which is close to the substrate, is provided with a first connecting part, the first connecting part is inserted into the mounting channel through a connecting hole on the upper side face of the substrate, and the first connecting part is provided with a first connecting hole;
the supporting leg is arranged on the lower side surface of the substrate, a second connecting part is arranged at the upper end of the supporting leg, the second connecting part is inserted into the mounting channel through a connecting hole on the lower side surface of the substrate, and a second connecting hole is formed in the second connecting part; and the number of the first and second groups,
the steel pipe is inserted in the mounting channel and penetrates through the first connecting hole and the second connecting hole;
the two ends of the installation channel are provided with plugs, and the panel and the base plate are provided with material injection holes communicated with each other for injecting hot melt adhesive into the installation channel.
In a further technical scheme, the panel is provided with a first air hole penetrating through the panel surface, and the substrate is provided with a second air hole penetrating through the panel surface and corresponding to the first air hole.
In a further technical scheme, the bottom of the supporting leg is provided with an anti-skid layer.
In a further technical scheme, the plug comprises a plug body and a connecting part arranged at one end of the plug body;
the diameter of the plug body is matched with the inner diameter of the installation channel, the diameter of the connecting part is smaller than the inner diameter of the installation channel, and the connecting part is provided with a thread-shaped structure.
In a further technical scheme, the number of the installation channels is three, and three connecting holes which are arranged at intervals are formed in the upper side face and the lower side face of the substrate corresponding to each installation channel and used for communicating the installation channels.
The second aspect of the present invention provides a method for manufacturing a reinforced tray structure suitable for use in a wet and cold environment, comprising: firstly, respectively forming a substrate, a panel and supporting legs; then, the supporting legs are uniformly distributed on the mould, a base plate is covered on the supporting legs, the second connecting parts at the upper ends of the supporting legs are inserted into the installation channel through the connecting holes at the lower side surface of the base plate, a panel is covered above the base plate, the first connecting parts at the lower side surface of the panel are inserted into the installation channel through the connecting holes at the upper side surface of the base plate, then steel pipes are inserted into the installation channel from the side part of the base plate, two ends of the installation channel are sealed by plugs, hot melt adhesive is injected through the communicated material injection holes formed in the panel and the base plate, and after cooling and shaping, the reinforced tray can be obtained.
Compared with the prior art, the invention has the following technical effects:
according to the tray structure provided by the invention, the steel pipe is inserted into the installation channel in the substrate, the two ends of the steel pipe are sealed by arranging the plugs, and then the hot melt adhesive is injected into the installation channel to realize sealing, so that the sealing property of the steel pipe in the substrate is ensured, and the problem that the steel pipe is rusted due to contact with condensation or water to further influence the service life is solved.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
FIG. 1 illustrates a cross-sectional view of a reinforced pallet structure suitable for use in a cold and humid environment, according to an embodiment of the present invention;
FIG. 2 is an exploded view of the reinforced pallet structure of FIG. 1 adapted for use in a cold and humid environment;
FIG. 3 is a schematic view of a substrate according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram illustrating a plug according to an embodiment of the present invention;
the reference numbers in the figures illustrate: 10. a substrate; 11. installing a channel; 12. connecting holes; 13. a material injection hole; 14. a second air hole; 20. a panel; 21. a first connection portion; 211. a first connection hole; 22. a first air vent; 30. supporting legs; 31. a second connecting portion; 311. a second connection hole; 32. an anti-slip layer; 40. a steel pipe; 50. a plug; 51. a plug body; 52. a connecting portion.
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 clarified by combining the specific drawings.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the invention, the wet and cold environment refers to a wet and shady and cold environment atmosphere, such as a fresh refrigerator; the plastic tray with the built-in steel pipe applied in the environment atmosphere has the advantages that the built-in steel pipe is easy to contact with condensation or water due to poor sealing performance, and further the problem of rusting is caused, so that the reliability of the plastic tray with the built-in steel pipe is poor, and the service life is seriously influenced.
In view of the above technical problems, and as shown in fig. 1 to 4, the present invention provides a reinforced pallet structure suitable for use in a wet and cold environment, the pallet structure includes a base plate 10, a face plate 20, supporting legs 30 and steel pipes 40.
The substrate 10 is provided with a plurality of mounting channels 11 extending along the length direction thereof and arranged in parallel at intervals along the width direction, and the upper side surface and the lower side surface of the substrate 10 are both provided with connecting holes 12 for communicating with the mounting channels 11;
the panel 20 is arranged on the upper side of the substrate 10, a first connecting portion 21 is arranged on one side of the panel 20 adjacent to the substrate 10, the first connecting portion 21 is inserted into the mounting channel 11 through a connecting hole 12 on the upper side of the substrate 10, and a first connecting hole 211 is arranged on the first connecting portion 21;
the supporting leg 30 is arranged on the lower side of the substrate 10, a second connecting portion 31 is arranged at the upper end of the supporting leg 30, the second connecting portion 31 is inserted into the mounting channel 11 through a connecting hole 12 on the lower side of the substrate 10, and a second connecting hole 311 is arranged on the second connecting portion 31; the steel pipe 40 is inserted into the installation passage 11 and passes through the first connection hole 211 and the second connection hole 311; two ends of the installation channel 11 are provided with plugs 50, and the panel 20 and the substrate 10 are provided with material injection holes 13 communicated with each other for injecting hot melt adhesive into the installation channel 11.
It should be noted that the connection holes on the upper side and the lower side of the substrate 10 are necessarily in staggered positions, so that the first connection portion 21 on the panel 20 and the second connection portion 31 on the supporting leg 30 are in a position of avoiding when being inserted into the installation channel 11, and the steel pipe 40 can be simultaneously inserted into the first connection hole 211 and the second connection hole 311, so as to realize the connection and fixation of the panel 20 and the supporting leg 30 on the upper side and the lower side of the substrate 10; moreover, the apertures of the first connecting hole 211 and the second connecting hole 311 are larger than the outer diameter of the steel tube 40, so that the hot melt adhesive injected from the main material hole 13 can be diffused into the whole installation channel 11 through the gaps between the first connecting hole 211 and the second connecting hole 311 and the outer wall of the steel tube 40, the filling effect of the hot melt adhesive on the residual gaps is ensured, the steel tube 40 is further coated with the hot melt adhesive, and the problem that the hot melt adhesive is rusted due to the contact with water vapor is avoided.
In the present invention, the hot melt adhesive is a solid adhesive containing no solvent, which is prepared by using a thermoplastic resin or a thermoplastic elastomer as a main component, adding a plasticizer, a tackifier resin, an antioxidant, a flame retardant, a filler, and the like, and melting and mixing the components. The EVA hot melt adhesive is usually solid at room temperature, is molten into liquid when heated to a certain degree, and is quickly solid once cooled to be below a melting point. The glue layer has certain flexibility, hardness and toughness, and has good connection effect and coating and sealing effect on the steel pipe 40 when being used as an adhesive to be filled in the gap of the installation channel 11.
In the tray structure provided by the invention, the steel pipe 40 is inserted into the installation channel 11 in the substrate 10, the two ends of the steel pipe are provided with the plugs 50 for sealing, and then hot melt adhesive is injected into the installation channel 11 for sealing, so that the sealing property of the steel pipe 40 in the substrate 10 is ensured, and the problem that the contact of the steel pipe with condensation or water causes rusting and further the service life is influenced is avoided;
in addition, the tray structure provided by the invention is divided into three parts, namely a substrate 10, a panel 20 and support legs 30, wherein each part is respectively formed by plastic injection molding or blow molding, then the steel pipes 40 inserted in the installation channel 11 are utilized to realize pre-connection and fixation, and the hot melt adhesive injected into the installation channel 11 is utilized to realize final fixation, so that the tray structure is simple and convenient; each part can be molded by different plastics according to the use requirement, for example, the panel 20 is made of the plastic with better wear resistance, and the substrate 10 is made of the plastic with high strength, so that the reasonable cost control is facilitated, and the performance advantages of different plastic materials are fully exerted.
Moreover, the tray structure provided by the invention is convenient to manufacture and form, a mould can be preset according to the specific size of the tray and the position of the corresponding supporting leg, then butt joint assembly is carried out, the steel pipe 40 is utilized for pre-connecting and fixing, hot melt adhesive is injected, and then a finished product can be obtained after cooling and fixing.
In an embodiment of the present invention, the panel 20 is provided with a first vent hole 22 penetrating through a panel surface thereof, and the substrate 10 is provided with a second vent hole 14 penetrating through the panel surface thereof and corresponding to the first vent hole 22. Through the setting of this first bleeder vent 22 and second bleeder vent 14, not only can reduce the use amount of plastics for the whole weight of tray structure obtains controlling, and when using in giving birth to bright freezer, air conditioning can contact the goods of tray support face intermediate position through first bleeder vent 22 and second bleeder vent 14 moreover, ensures cold-stored effect.
In a specific embodiment of the present invention, the bottom of the supporting leg 30 is provided with an anti-slip layer 32, and by the arrangement of the anti-slip layer 32, the problem of sliding displacement of the tray when the supporting leg is used in a moist environment such as a fresh food refrigerator is avoided, and the safety is improved.
In the present invention, the plug 50 is used for blocking both ends of the installation channel 11 to achieve a sealing effect, and as a specific embodiment of the plug 50, the plug 50 includes a plug body 51 and a connection portion 52 disposed at one end of the plug body 51; the diameter of the plug body 51 is matched with the inner diameter of the installation channel 11, the diameter of the connecting part 52 is smaller than the inner diameter of the installation channel 11, and the connecting part 52 is provided with a thread-shaped structure. In specific manufacturing process, after injecting the hot melt adhesive, the hot melt adhesive can coat the connecting portion 52, and the thread-like structure provides a large contact area, so that the adhesion effect of the hot melt adhesive is improved, the sealing at the two ends of the installation channel 11 is ensured, and the problem that the steel pipe 40 is rusted due to the contact with water vapor is avoided.
In one specific embodiment of the present invention, three mounting channels 11 are provided, and as shown in fig. 3, the mounting channels 11 extend along the length direction of the substrate 10, i.e. along the x direction; three mounting channels are arranged in parallel at intervals along the width direction of the substrate, namely the Y direction; the Z direction in the figure is the thickness direction of the substrate 10. The upper and lower sides of the base plate 10 are provided with three connection holes 12 arranged at intervals corresponding to each mounting passage 11 for communicating to the mounting passage 11. That is, a total of 9 support feet 30 are provided to support the pallet structure.
The invention also provides a manufacturing method of the reinforced tray structure suitable for the wet and cold environment, which comprises the following steps:
first, the substrate 10, the panel 20 and the supporting legs 30 are formed separately; then, the supporting legs 30 are uniformly distributed on the mould, the supporting legs 30 are covered with the substrate 10, the second connecting parts 31 at the upper ends of the supporting legs 30 are inserted into the installation channels 11 through the connecting holes 12 at the lower side surface of the substrate 10, the panel 20 is covered above the substrate 10, the first connecting parts 21 at the lower side surface of the panel 20 are inserted into the installation channels 11 through the connecting holes 12 at the upper side surface of the substrate 10, then the steel pipes 40 are inserted into the installation channels 11 from the side parts of the substrate 10, the two ends of the installation channels 11 are sealed by plugs 50, then hot melt adhesive is injected through the communicated injection holes 13 arranged on the panel 20 and the substrate 10, and after cooling and shaping, the reinforced pallet can be obtained.
The foregoing shows and describes the general principles, essential features, and inventive features of this invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A reinforced pallet structure suitable for use in a cold, humid environment, comprising:
the mounting structure comprises a substrate (10), wherein a plurality of mounting channels (11) which extend along the length direction of the substrate (10) and are arranged in parallel at intervals are arranged on the substrate (10), and connecting holes (12) are formed in the upper side surface and the lower side surface of the substrate (10) and are used for being communicated with the mounting channels (11);
the panel (20) is arranged on the upper side surface of the substrate (10), a first connecting part (21) is arranged on one side, close to the substrate (10), of the panel (20), the first connecting part (21) is inserted into the mounting channel (11) through a connecting hole (12) in the upper side surface of the substrate (10), and a first connecting hole (211) is formed in the first connecting part (21);
the supporting leg (30) is arranged on the lower side surface of the substrate (10), a second connecting part (31) is arranged at the upper end of the supporting leg (30), the second connecting part (31) is inserted into the mounting channel (11) through a connecting hole (12) on the lower side surface of the substrate (10), and a second connecting hole (311) is formed in the second connecting part (31); and the number of the first and second groups,
a steel pipe (40), the steel pipe (40) being inserted into the installation channel (11) and passing through the first connection hole (211) and the second connection hole (311);
the two ends of the installation channel (11) are provided with plugs (50), and the panel (20) and the base plate (10) are provided with material injection holes (13) communicated with each other for injecting hot melt adhesive into the installation channel (11).
2. The reinforced tray structure suitable for use in wet and cold environment as claimed in claim 1, wherein the panel (20) has a first vent (22) penetrating through the panel surface, and the base plate (10) has a second vent (14) penetrating through the panel surface and corresponding to the first vent (22).
3. A reinforced pallet structure adapted for use in cold and humid environments according to claim 1, characterised in that the bottom of the supporting feet (30) is provided with a non-slip layer (32).
4. The reinforced pallet structure adapted for use in cold and humid environments according to claim 1, wherein the bulkhead (50) comprises a bulkhead body (51) and a connecting portion (52) disposed at one end of the bulkhead body (51);
the diameter of the plug body (51) is matched with the inner diameter of the installation channel (11), the diameter of the connecting part (52) is smaller than the inner diameter of the installation channel (11), and the connecting part (52) is provided with a thread-shaped structure.
5. A reinforced pallet structure adapted for use in cold and humid environments according to claim 1, characterised in that said mounting channels (11) are provided in three and that three connection holes (12) are provided in each mounting channel (11) in correspondence of the upper and lower side of said base plate (10) for connection to said mounting channels (11).
6. The method for manufacturing a reinforced pallet structure suitable for use in a cold and humid environment according to claims 1-5, wherein first, the base plate (10), the face plate (20) and the supporting legs (30) are formed separately; then evenly distributing the supporting legs (30) on a mould, covering a substrate (10) on the supporting legs (30), inserting a second connecting part (31) at the upper end of the supporting legs (30) into the mounting channel (11) through a connecting hole (12) at the lower side surface of the substrate (10), covering a panel (20) above the substrate (10), inserting a first connecting part (21) at the lower side surface of the panel (20) into the mounting channel (11) through the connecting hole (12) at the upper side surface of the substrate (10), then inserting a steel pipe (40) into the mounting channel (11) from the side surface of the substrate (10), sealing two ends of the mounting channel (11) by using a plug (50), then injecting hot melt adhesive through communicated injection holes (13) arranged on the panel (20) and the substrate (10), and obtaining the reinforced tray after cooling and shaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111310481.2A CN114056715A (en) | 2021-11-05 | 2021-11-05 | Reinforced tray structure suitable for wet and cold environment and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111310481.2A CN114056715A (en) | 2021-11-05 | 2021-11-05 | Reinforced tray structure suitable for wet and cold environment and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114056715A true CN114056715A (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111310481.2A Pending CN114056715A (en) | 2021-11-05 | 2021-11-05 | Reinforced tray structure suitable for wet and cold environment and manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN114056715A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024060530A1 (en) * | 2022-09-23 | 2024-03-28 | 苏州禾芯新材料有限公司 | Steel tube cladding structure for roll core packaging transport case |
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| JPH0211035U (en) * | 1988-07-06 | 1990-01-24 | ||
| CN101670898A (en) * | 2009-09-14 | 2010-03-17 | 刘学武 | Tray |
| KR20140019633A (en) * | 2012-08-06 | 2014-02-17 | 주식회사 다인기술 | Composite pallet |
| CN109798803A (en) * | 2018-12-18 | 2019-05-24 | 河南科隆集团有限公司 | A kind of precoated metal tubing and preparation facilities, preparation method and its manufactured evaporator |
| CN210592995U (en) * | 2019-09-27 | 2020-05-22 | 浙江胜豪塑业股份有限公司 | Plastic tray |
| CN210734799U (en) * | 2019-09-25 | 2020-06-12 | 东莞市瑞兴纸制品有限公司 | Corrugated paper tray structure |
| CN211167849U (en) * | 2019-11-14 | 2020-08-04 | 兴丰塑料科技(惠州)有限公司 | High-strength anti-slip plastic tray |
| CN213355201U (en) * | 2020-09-30 | 2021-06-04 | 苏州高新区万利隆塑料包装有限公司 | Interior high strength tray of establishing reinforcing bar |
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2021
- 2021-11-05 CN CN202111310481.2A patent/CN114056715A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0211035U (en) * | 1988-07-06 | 1990-01-24 | ||
| CN101670898A (en) * | 2009-09-14 | 2010-03-17 | 刘学武 | Tray |
| KR20140019633A (en) * | 2012-08-06 | 2014-02-17 | 주식회사 다인기술 | Composite pallet |
| CN109798803A (en) * | 2018-12-18 | 2019-05-24 | 河南科隆集团有限公司 | A kind of precoated metal tubing and preparation facilities, preparation method and its manufactured evaporator |
| CN210734799U (en) * | 2019-09-25 | 2020-06-12 | 东莞市瑞兴纸制品有限公司 | Corrugated paper tray structure |
| CN210592995U (en) * | 2019-09-27 | 2020-05-22 | 浙江胜豪塑业股份有限公司 | Plastic tray |
| CN211167849U (en) * | 2019-11-14 | 2020-08-04 | 兴丰塑料科技(惠州)有限公司 | High-strength anti-slip plastic tray |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024060530A1 (en) * | 2022-09-23 | 2024-03-28 | 苏州禾芯新材料有限公司 | Steel tube cladding structure for roll core packaging transport case |
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