CN110641808A - Foam box - Google Patents
Foam box Download PDFInfo
- Publication number
- CN110641808A CN110641808A CN201910902807.7A CN201910902807A CN110641808A CN 110641808 A CN110641808 A CN 110641808A CN 201910902807 A CN201910902807 A CN 201910902807A CN 110641808 A CN110641808 A CN 110641808A
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- CN
- China
- Prior art keywords
- layer
- thickness
- foam box
- outer layer
- inner layer
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- 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.)
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Classifications
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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
- B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
- B65D11/16—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material with double walls
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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
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
-
- 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
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
- B65D85/48—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for glass sheets
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a foam box, which sequentially comprises an outer layer, a middle layer and an inner layer; the outer layer is made of EPP or EPO; the intermediate layer is made of EPS; the inner layer is made of EPS. The foam box solves the problem that the inner layer does not fall scraps so as to ensure the cleanliness of glass products; the impact resistance of the outer layer of the reinforced foam box is strong, the foam box is not easy to damage in the packing and transporting processes, and the recovery times are increased; the stiffness and the strength of the foam box are improved, and the foam box is not easy to bend during transportation; the packaging cost is reduced.
Description
Technical Field
The invention relates to the technical field of panel packaging, in particular to a foam box.
Background
At present, the glass panels are packaged in various ways, and foam boxes and plastic trays which are manufactured by foam molding are common. Wherein, the foam case is used for panel packing owing to need not outer container, and whole bearing capacity is better, advantages such as easily retrieving are used for more and more.
Due to different characteristics of various materials, many problems are often encountered, for example, EPS (Expanded Polystyrene foam, EPS for short) is the most common, low in price and good in stiffness, but has poor impact resistance, is brittle, easy to break, poor in anti-collision performance, poor in recovery rate, easy to fall off scraps in the using process, pollutes a panel, and is unwilling to use by a high-demand customer; on the contrary, EPP (Expanded polypropylene, which is a high-crystalline polymer/gas composite material with excellent performance) has the advantages of better buffering performance, impact resistance, difficult chip falling and higher recovery rate, but the material cost is too high, and only a small amount of turnover packing materials are used at present.
In order to solve the above problems, the common methods in the industry generally adopt increasing the density of the foam box or using new materials, such as EPO (polymer emulsion), which combines the physical advantages of EPS and EPS, but the raw materials are limited and the price is very high.
In any way, the above problems cannot be completely solved, and the cost is high.
Disclosure of Invention
The invention aims to provide a foam box which has the advantages of enhancing impact resistance, improving stiffness and strength and reducing cost.
The invention provides a foam box, which sequentially comprises an outer layer, a middle layer and an inner layer; the outer layer is made of EPP or EPO; the intermediate layer is made of EPS; the inner layer is made of EPS.
Preferably, the thickness of the outer layer is 15% -25% of the total thickness; the thickness of the middle layer is 55-65% of the total thickness; the thickness of the inner layer is 15% -25% of the total thickness.
Preferably, the outer layer has an expansion ratio of 12 to 18 times; the foaming multiplying power of the intermediate layer is 35-45 times; the inner layer has a foaming ratio of 12 to 18 times.
Preferably, the thickness of the inner layer is 15% -25% of the total thickness; the thickness of the middle layer is 55-65% of the total thickness; the thickness of the outer layer is 15% -25% of the total thickness.
Preferably, the foaming ratio of the inner layer is 25 to 35 times; the foaming multiplying power of the intermediate layer is 35-45 times; the outer layer has a foaming ratio of 20 to 30 times.
Preferably, the thickness of the inner layer is 15% -25% of the total thickness; the thickness of the middle layer is 40% -50% of the total thickness; the thickness of the outer layer is 30-40% of the total thickness.
Preferably, the foaming ratio of the inner layer is 25 to 35 times; the foaming multiplying power of the intermediate layer is 35-45 times; the outer layer has an expansion ratio of 12 to 18 times.
The invention also provides a foam box, which comprises an outer layer and an inner layer; the inner layer is made of EPP; the material of the outer layer is EPO.
Preferably, the thickness of the inner layer is 35% -75% of the total thickness; the thickness of the outer layer is 30-40% of the total thickness.
Preferably, the foaming magnification of the inner layer is 45-55 times; the outer layer has an expansion ratio of 12 to 18 times.
The foam box solves the problem that the inner layer does not fall scraps so as to ensure the cleanliness of glass products; the impact resistance of the outer layer of the reinforced foam box is strong, the foam box is not easy to damage in the packing and transporting processes, and the recovery times are increased; the stiffness and the strength of the foam box are improved, and the foam box is not easy to bend during transportation; the packaging cost is reduced.
Drawings
FIG. 1 is a schematic structural view of a foam box of the present invention;
FIG. 2 is a partial cross-sectional view of the foam tank shown in FIG. 1;
FIG. 3 is an enlarged view of a portion of the foam box of FIG. 2;
FIG. 4 is a schematic structural view of a first embodiment of the internal structure of the foam tank of the present invention;
FIG. 5 is a schematic structural view of a second embodiment of the internal structure of the foam tank of the present invention;
FIG. 6 is a schematic structural view of a third embodiment of the internal structure of the foam tank of the present invention;
FIG. 7 is a schematic structural view of a fourth embodiment of the internal structure of the foam tank of the present invention.
Detailed Description
The present invention is further illustrated by the following figures and specific examples, which are to be understood as illustrative only and not as limiting the scope of the invention, which is to be given the full breadth of the appended claims and any and all equivalent modifications thereof which may occur to those skilled in the art upon reading the present specification.
For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
The foam box 100 of the present invention, for packaging glass panels, as shown in fig. 1-3, comprises, in order, an outer layer 110, an intermediate layer 120, and an inner layer 130.
The outer layer 100 is used for impact resistance, external protection is carried out, the recycling frequency of the packing box is improved, and EPP or EPO is preferably used as a material; the thickness of the outer layer 100 is 15% -25% of the total thickness, the material is EPS, and the foaming ratio is 15 times.
The middle layer 120 is used for improving strength, reducing cost and reducing weight, and EPS is preferably used as a material; the thickness of the middle layer 120 is 55-65% of the total thickness, the material is EPS, and the foaming ratio is 40 times.
The inner layer 130 is used for increasing the buffer property and preventing chips from falling, and EPP or EPO is limited as a material; the thickness of the inner layer 130 is 15% -25% of the total thickness, the material is EPS, and the foaming ratio is 15 times.
When the packaging box 100 is molded, each layer of structure can be realized by controlling different material inlets and molding conditions, and the types, foaming ratios and material amounts of raw materials fed by different material inlets can be selected according to different design requirements.
The first embodiment: as shown in FIG. 4, the outer layer 110 has a thickness of 15% to 25% of the total thickness, is made of EPS, and has an expansion ratio of 12 to 18 times (preferably 15 times). The thickness of the middle layer 120 is 55% -65% of the total thickness, the material is EPS, and the foaming ratio is 35-45 times (preferably 40 times). The thickness of the inner layer 130 is 15-25% of the total thickness, the material is EPS, and the foaming ratio is 12-18 times (preferably 15 times).
The foaming multiplying power of the inner layer 130 and the outer layer 110 is low (high density), the probability of chip falling is low, and the strength is good; the intermediate layer 120 has a high expansion ratio (low density), and the packaging case 100 has a light weight and a low cost.
Second embodiment: as shown in fig. 5, the thickness of the inner layer 110 is 15% to 25% of the total thickness, the material is EPP, and the expansion ratio is 25 to 35 times (preferably 30 times); the thickness of the middle layer 120 is 55-65% of the total thickness, the material is EPS, and the foaming ratio is 35-45 times (preferably 40 times); the thickness of the outer layer 130 is 15-25% of the total thickness, the material is EPO, and the foaming ratio is 20-30 times (preferably 25 times).
The materials of the inner layer 130 and the outer layer 110 are not easy to fall scraps, and the impact resistance is good; the material of the middle layer 120 is cheap, so that the overall cost can be reduced; the materials of inner layer 130 and outer layer 110 have better cushioning properties, and middle layer 120 has better rigidity and overall performance than a single material.
The third embodiment: as shown in fig. 6, the thickness of the inner layer 110 is 15% to 25% of the total thickness, the material is EPP, and the expansion ratio is 25 to 35 times (preferably 30 times); the thickness of the middle layer 120 is 40-50% of the total thickness, the material is EPS, and the foaming ratio is 35-45 times (preferably 40 times); the thickness of the outer layer 130 is 30-40% of the total thickness, the material is EPO, and the foaming ratio is 12-18 times (preferably 15 times).
The materials of the inner layer 110 and the outer layer 130 are not easy to fall scraps, and the impact resistance is good; the material of the middle layer 120 is cheap, so that the overall cost can be reduced; the inner layer 110 and the outer layer 130 are made of materials with good cushioning property, the middle layer has good rigidity, and the overall performance is better than that of a single material.
The fourth embodiment: as shown in fig. 7, the foam tank 100 includes only an outer layer 110 and an inner layer 130. The thickness of the inner layer 110 is 35-75% of the total thickness, the material is EPP, and the foaming ratio is 45-55 times (preferably 55 times); the thickness of the outer layer 130 is 30-40% of the total thickness, the material is EPO, and the foaming ratio is 12-18 times (preferably 15 times).
By having a high expansion ratio (low density) of the inner layer 110, weight and cost can be reduced; the outer layer 130 has a low expansion ratio (high density) and a high internal load bearing capacity.
The foam box is based on a foaming forming process; the foam box adopts a two-layer or three-layer structure; the thickness of each layer structure is not limited as long as the thickness is within the range of forming; the material of each layer of structure can be one, two or more, and is adjusted according to actual requirements without fixed sequence limitation; the material of each structure is EPS, EPP or EPO.
The foam box solves the problem that the inner layer does not fall scraps so as to ensure the cleanliness of glass products; the impact resistance of the outer layer of the reinforced foam box is strong, the foam box is not easy to damage in the packing and transporting processes, and the recovery times are increased; the stiffness and the strength of the foam box are improved, and the foam box is not easy to bend during transportation; the packaging cost is reduced.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the details of the foregoing embodiments, and various equivalent changes (such as number, shape, position, etc.) may be made to the technical solution of the present invention within the technical spirit of the present invention, and these equivalent changes are all within the protection scope of the present invention.
Claims (10)
1. A foam box is characterized by sequentially comprising an outer layer, a middle layer and an inner layer; the outer layer is made of EPP or EPO; the intermediate layer is made of EPS; the inner layer is made of EPS.
2. The foam box of claim 1, wherein the outer layer has a thickness of 15% to 25% of the total thickness; the thickness of the middle layer is 55-65% of the total thickness; the thickness of the inner layer is 15% -25% of the total thickness.
3. The foam box according to claim 1, wherein the outer layer has a foaming ratio of 12 to 18 times; the foaming multiplying power of the intermediate layer is 35-45 times; the inner layer has a foaming ratio of 12 to 18 times.
4. The foam box of claim 1, wherein the thickness of the inner layer is 15% -25% of the total thickness; the thickness of the middle layer is 55-65% of the total thickness; the thickness of the outer layer is 15% -25% of the total thickness.
5. The foam box according to claim 1, wherein the inner layer has a foaming ratio of 25 to 35 times; the foaming multiplying power of the intermediate layer is 35-45 times; the outer layer has a foaming ratio of 20 to 30 times.
6. The foam box of claim 1, wherein the thickness of the inner layer is 15% -25% of the total thickness; the thickness of the middle layer is 40% -50% of the total thickness; the thickness of the outer layer is 30-40% of the total thickness.
7. The foam box according to claim 1, wherein the inner layer has a foaming ratio of 25 to 35 times; the foaming multiplying power of the intermediate layer is 35-45 times; the outer layer has an expansion ratio of 12 to 18 times.
8. A foam box characterized in that it comprises an outer layer and an inner layer; the inner layer is made of EPP; the material of the outer layer is EPO.
9. The foam box of claim 8, wherein the thickness of the inner layer is 35-75% of the total thickness; the thickness of the outer layer is 30-40% of the total thickness.
10. The foam box according to claim 8, wherein the inner layer has a foaming magnification of 45 to 55 times; the outer layer has an expansion ratio of 12 to 18 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910902807.7A CN110641808A (en) | 2019-09-24 | 2019-09-24 | Foam box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910902807.7A CN110641808A (en) | 2019-09-24 | 2019-09-24 | Foam box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110641808A true CN110641808A (en) | 2020-01-03 |
Family
ID=69011110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910902807.7A Pending CN110641808A (en) | 2019-09-24 | 2019-09-24 | Foam box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110641808A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112849707A (en) * | 2021-01-07 | 2021-05-28 | 漳州永达祥塑料有限公司 | EPS foam box and production method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004051131A (en) * | 2002-07-17 | 2004-02-19 | Yodogawa Hu-Tech Kk | Carrying box for glass base sheet |
| CN2711086Y (en) * | 2004-07-08 | 2005-07-20 | 常宏保丽龙有限公司 | Sealing package structure for glass substrate |
| TW200848332A (en) * | 2007-06-01 | 2008-12-16 | Innolux Display Corp | Packing box for transporting glass substrates |
| CN101423136A (en) * | 2008-11-26 | 2009-05-06 | 四川长虹电器股份有限公司 | Protection gasket for plane TV package |
| CN201424234Y (en) * | 2009-05-18 | 2010-03-17 | 新记企业股份有限公司 | Packaging buffer material |
| CN201597216U (en) * | 2009-12-10 | 2010-10-06 | 洪清在 | Structure of all-in-one dual-density foam |
| CN201626641U (en) * | 2010-01-25 | 2010-11-10 | 莹芳实业股份有限公司 | Packaging cushioning material |
| CN203473597U (en) * | 2013-08-07 | 2014-03-12 | 合肥京东方光电科技有限公司 | Packing structure |
| CN108945706A (en) * | 2017-05-27 | 2018-12-07 | 广东奔迪新材料科技有限公司 | A kind of high-foaming plastic package box |
-
2019
- 2019-09-24 CN CN201910902807.7A patent/CN110641808A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004051131A (en) * | 2002-07-17 | 2004-02-19 | Yodogawa Hu-Tech Kk | Carrying box for glass base sheet |
| CN2711086Y (en) * | 2004-07-08 | 2005-07-20 | 常宏保丽龙有限公司 | Sealing package structure for glass substrate |
| TW200848332A (en) * | 2007-06-01 | 2008-12-16 | Innolux Display Corp | Packing box for transporting glass substrates |
| CN101423136A (en) * | 2008-11-26 | 2009-05-06 | 四川长虹电器股份有限公司 | Protection gasket for plane TV package |
| CN201424234Y (en) * | 2009-05-18 | 2010-03-17 | 新记企业股份有限公司 | Packaging buffer material |
| CN201597216U (en) * | 2009-12-10 | 2010-10-06 | 洪清在 | Structure of all-in-one dual-density foam |
| CN201626641U (en) * | 2010-01-25 | 2010-11-10 | 莹芳实业股份有限公司 | Packaging cushioning material |
| CN203473597U (en) * | 2013-08-07 | 2014-03-12 | 合肥京东方光电科技有限公司 | Packing structure |
| CN108945706A (en) * | 2017-05-27 | 2018-12-07 | 广东奔迪新材料科技有限公司 | A kind of high-foaming plastic package box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112849707A (en) * | 2021-01-07 | 2021-05-28 | 漳州永达祥塑料有限公司 | EPS foam box and production method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200910 Address after: No.7 Tianyou Road, Qixia District, Nanjing City, Jiangsu Province Applicant after: NANJING CEC PANDA LCD TECHNOLOGY Co.,Ltd. Address before: Nanjing Crystal Valley Road in Qixia District of Nanjing City Tianyou 210033 Jiangsu province No. 7 Applicant before: NANJING CEC PANDA FPD TECHNOLOGY Co.,Ltd. Applicant before: NANJING CEC PANDA LCD TECHNOLOGY Co.,Ltd. Applicant before: Nanjing East China Electronic Information Technology Co.,Ltd. |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200103 |