CN212291141U - Step type paper corner protector - Google Patents
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- CN212291141U CN212291141U CN202020432463.6U CN202020432463U CN212291141U CN 212291141 U CN212291141 U CN 212291141U CN 202020432463 U CN202020432463 U CN 202020432463U CN 212291141 U CN212291141 U CN 212291141U
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Abstract
The utility model provides a ladder type paper angle bead belongs to packing technical field. It has solved the problem that current paper angle bead can increase weight when increase parcel area. The ladder-type paper corner protector comprises a first protection plate and a second protection plate, wherein one side edge of the first protection plate is connected with one side edge of the second protection plate, the side edge of the first protection plate, far away from the second protection plate, and/or the side edge of the second protection plate, far away from the first protection plate, are connected with an extension protection plate, and the thickness of the extension protection plate is smaller than that of the first protection plate/the second protection plate. Under the condition that the thickness of the ladder-shaped paper corner protector is equal to that of the conventional paper corner protector, the protection function strength is not influenced, the weight of the ladder-shaped paper corner protector can be reduced, and therefore the transportation cost caused by the weight is saved; under the condition of the same weight as that of the conventional paper corner protector, the stepped paper corner protector can improve the material strength and the wrapping area for protecting the product, so that the product can be protected to a greater extent.
Description
Technical Field
The utility model belongs to the technical field of the packing, a ladder type paper angle bead is related to.
Background
During the transportation of goods, unexpected collisions are often encountered, so paper corner protectors are generally selected to protect the goods during the transportation. The paper corner protector is also called an edge board, is one of the most popular international packaging products and is used for replacing wood packaging and other heavy packaging modes. The paper corner protector can be used with the tray in a matched manner, so that the integral package of the tray can be reinforced, and goods are prevented from inclining and collapsing; when the paper corner protectors are placed on the outer side of the carton for packaging, the carton is protected from being broken by the packaging belts, and meanwhile, the corner strength of the carton is reinforced; the paper angle bead is placed in the inside corner of carton, can strengthen the stack intensity of carton, makes the packing more firm.
In order to increase the area of the paper corner protector for wrapping the product, the width of the paper corner protector is increased conventionally, but the thicknesses of all parts of the existing paper corner protector are equal, so that the width of the paper corner protector is increased, the weight of the paper corner protector is increased, and the transportation cost caused by the weight is increased.
Disclosure of Invention
The utility model aims at having the above-mentioned problem to current technique, provided a equal weight can improve the ladder formula paper angle bead to product parcel area.
The purpose of the utility model can be realized by the following technical proposal:
the ladder-type paper corner protector comprises a first protection plate and a second protection plate, wherein one side edge of the first protection plate is connected with one side edge of the second protection plate, the side edge of the first protection plate, far away from the second protection plate, and/or the side edge of the second protection plate, far away from the first protection plate, is connected with an extension protection plate, and the thickness of the extension protection plate is smaller than that of the first protection plate/the second protection plate.
In the structure, the first guard plate and the second guard plate are equal in thickness, and the thickness of the extension guard plate is smaller than that of the first guard plate. The extension guard is provided with the following three conditions: firstly, the extension guard plate is only connected with the side edge of the first guard plate far away from the second guard plate; the extension guard plate is only connected to the side edge of the second guard plate far away from the first guard plate; and the side edge of the first guard plate far away from the second guard plate and the side edge of the second guard plate far away from the first guard plate are both connected with extension guard plates.
Compared with the conventional paper corner protector, the ladder type paper corner protector can reduce the weight under the condition that the protection function strength is not influenced by the same thickness, thereby saving the transportation cost generated by the weight. Under the condition of the same weight as that of the conventional paper corner protector, the stepped paper corner protector can improve the material strength and the wrapping area for protecting the product, so that the product can be protected to a greater extent.
In the step paper corner protector, the first guard plate comprises a first outer layer and a first inner layer bonded with the first outer layer, the second guard plate comprises a second outer layer and a second inner layer bonded with the second outer layer, the first outer layer is connected with the second outer layer, and the first inner layer is connected with the second inner layer.
When the goods are wrapped, the first inner layer of the first protection plate is in contact with the goods, and the second inner layer of the second protection plate is in contact with the goods. The first outer layer and the second outer layer form a first whole, and the first whole is formed by pressing and gluing a plurality of layers of craft paper and a plurality of layers of bobbin paper through a plurality of rollers; the first inner layer and the second inner layer form a second whole and are formed by laminating and gluing a plurality of layers of craft paper and a plurality of layers of bobbin paper through a plurality of rolling shafts. And then, the first whole and the second whole are pressed and glued to form a third whole, and the third whole is bent through a bending die to form the paper corner protector.
In the stepped paper corner protector, the side edge of the first guard plate, which is far away from the second guard plate, is connected with an extension guard plate, the extension guard plate is connected with the first inner layer/the first outer layer into a whole, and the thickness of the extension guard plate is equal to that of the first inner layer/the first outer layer.
The extension guard plate is provided with the following two conditions: firstly, an extension guard plate is connected with a first inner layer into a whole, and the thickness of the extension guard plate is equal to that of the first inner layer; and secondly, the extension guard plate is connected with the first outer layer into a whole, and the thickness of the extension guard plate is equal to that of the first outer layer.
In the stepped paper corner protector, the side edge of the second guard plate, which is far away from the first guard plate, is connected with an extension guard plate, the extension guard plate is connected with the second inner layer/the second outer layer into a whole, and the thickness of the extension guard plate is equal to that of the second inner layer/the second outer layer.
The extension guard plate is provided with the following two conditions: firstly, the extension guard plate is connected with the second inner layer into a whole, and the thickness of the extension guard plate is equal to that of the second inner layer; and secondly, the extension guard plate is connected with the second outer layer into a whole, and the thickness of the extension guard plate is equal to that of the second outer layer.
In the step type paper corner protector, the side edge of the first guard plate, which is far away from the second guard plate, is connected with a first extension guard plate, the first extension guard plate and the first inner layer are connected into a whole, and the thickness of the first extension guard plate is equal to that of the first inner layer; the side edge of the second guard plate far away from the first guard plate is connected with a second extension guard plate, the second extension guard plate and the second inner layer are connected into a whole, and the thickness of the second extension guard plate is equal to that of the second inner layer.
In the step type paper corner protector, the side edge of the first guard plate, which is far away from the second guard plate, is connected with a first extension guard plate, the first extension guard plate and the first inner layer are connected into a whole, and the thickness of the first extension guard plate is equal to that of the first inner layer; the side edge of the second guard plate far away from the first guard plate is connected with a second extension guard plate, the second extension guard plate is connected with the second outer layer into a whole, and the thickness of the second extension guard plate is equal to that of the second outer layer.
In the step type paper corner protector, the side edge of the first guard plate, which is far away from the second guard plate, is connected with a first extension guard plate, the first extension guard plate and the first outer layer are connected into a whole, and the thickness of the first extension guard plate is equal to that of the first outer layer; the side edge of the second guard plate far away from the first guard plate is connected with a second extension guard plate, the second extension guard plate is connected with the second outer layer into a whole, and the thickness of the second extension guard plate is equal to that of the second outer layer.
In the step type paper corner protector, the side edge of the first guard plate, which is far away from the second guard plate, is connected with a first extension guard plate, the first extension guard plate and the first outer layer are connected into a whole, and the thickness of the first extension guard plate is equal to that of the first outer layer; the side edge of the second guard plate far away from the first guard plate is connected with a second extension guard plate, the second extension guard plate and the second inner layer are connected into a whole, and the thickness of the second extension guard plate is equal to that of the second inner layer.
In the step paper corner protector, the thicknesses of the first inner layer and the first outer layer are equal.
During production, the width and the thickness of paper are designed according to the step type paper corner protector required to be produced, the paper is compositely bonded through environment-friendly glue, and then the paper is synchronously extruded and formed by matching corner protector equipment with a customized external component.
Compared with the prior art, the step type paper corner protector has the following advantages:
under the condition that the thickness of the ladder-shaped paper corner protector is equal to that of the conventional paper corner protector, the protection function strength is not influenced, the weight of the ladder-shaped paper corner protector can be reduced, and therefore the transportation cost caused by the weight is saved; under the condition of the same weight as that of the conventional paper corner protector, the stepped paper corner protector can improve the material strength and the wrapping area for protecting the product, so that the product can be protected to a greater extent; the structural design is more reasonable, and the application scope is wide.
Drawings
Fig. 1 is a schematic structural diagram of a stepped paper corner protector provided in the first embodiment.
Fig. 2 is a schematic view of a configuration of a step paper corner protector provided in the first embodiment.
Fig. 3 is a schematic structural view of a step paper corner protector provided in the second embodiment.
Fig. 4 is a schematic structural view of a step type paper corner protector provided in the third embodiment.
Fig. 5 is a schematic structural view of a step type paper corner protector provided in the fourth embodiment.
Fig. 6 is a schematic structural view of a step type paper corner protector provided in the fifth embodiment.
Fig. 7 is a schematic structural view of a step type paper corner protector provided in the sixth embodiment.
Fig. 8 is a wrapping diagram of the step paper corner protector provided by the first embodiment.
Fig. 9 is a wrapping schematic diagram of the step paper corner protector provided by the second embodiment.
Fig. 10 is a wrapping schematic diagram of the stepped paper corner protector provided by the sixth embodiment.
In the figure, 1, a first guard plate; 11. a first outer layer; 12. a first inner layer; 2. a second guard plate; 21. a second outer layer; 22. a second inner layer; 3. an extension guard plate; 41. a first extension guard plate; 42. and a second extension guard plate.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Example one
The stepped paper corner protector shown in fig. 1 comprises a first protection plate 1 and a second protection plate 2, wherein one side edge of the first protection plate 1 is connected with one side edge of the second protection plate 2, the side edge of the first protection plate 1 far away from the second protection plate 2 is connected with a first extension protection plate 41, the side edge of the second protection plate 2 far away from the first protection plate 1 is connected with a second extension protection plate 42, the thickness of the first extension protection plate 41 is smaller than that of the first protection plate 1, and the thickness of the second extension protection plate 42 is smaller than that of the second protection plate 2.
Wherein, the thickness of the first protection plate 1 is equal to that of the second protection plate 2.
Specifically, as shown in fig. 2, the first guard plate 1 includes a first outer layer 11 and a first inner layer 12 bonded to the first outer layer 11, the second guard plate 2 includes a second outer layer 21 and a second inner layer 22 bonded to the second outer layer 21, the first outer layer 11 is connected to the second outer layer 21, the first inner layer 12 is connected to the second inner layer 22, the first outer layer 11 of the first inner layer 12 has the same thickness, the extension guard plate one 41 is connected to the first inner layer 12, and the extension guard plate two 42 is connected to the second inner layer 22. The first outer layer 11 and the second outer layer 21 form a first whole body, and the first whole body is formed by pressing and gluing a plurality of layers of craft paper and a plurality of layers of bobbin paper through a plurality of rollers; the first inner layer 12 and the second inner layer 22 form a second whole body, and the second whole body is formed by laminating and gluing a plurality of layers of craft paper and a plurality of layers of bobbin paper through a plurality of rollers; and then, the first whole and the second whole are pressed and glued to form a third whole, and the third whole is bent through a bending die to form the paper corner protector.
When wrapping the cargo, as shown in fig. 8, the first inner layer 12 of the first panel 1 is in contact with the cargo, and the second inner layer 22 of the second panel 2 is in contact with the cargo. Compared with the conventional paper corner protector, the ladder type paper corner protector can reduce the weight under the condition that the protection function strength is not influenced by the same thickness, thereby saving the transportation cost generated by the weight. Under the condition of the same weight as that of the conventional paper corner protector, the stepped paper corner protector can improve the material strength and the wrapping area for protecting the product, so that the product can be protected to a greater extent.
Example two
The ladder-type paper corner protector shown in fig. 3 comprises a first protection plate 1 and a second protection plate 2, wherein the first protection plate 1 comprises a first outer layer 11 and a first inner layer 12 bonded with the first outer layer 11, the second protection plate 2 comprises a second outer layer 21 and a second inner layer 22 bonded with the second outer layer 21, the first outer layer 11 is connected with the second outer layer 21, the first inner layer 12 is connected with the second inner layer 22, and the first inner layer 12 and the first outer layer 11 are equal in thickness. The first outer layer 11 and the second outer layer 21 form a first whole body, and the first whole body is formed by pressing and gluing a plurality of layers of craft paper and a plurality of layers of bobbin paper through a plurality of rollers; the first inner layer 12 and the second inner layer 22 form a second whole body, and the second whole body is formed by laminating and gluing a plurality of layers of craft paper and a plurality of layers of bobbin paper through a plurality of rollers; and then, the first whole and the second whole are pressed and glued to form a third whole, and the third whole is bent through a bending die to form the paper corner protector.
As shown in fig. 3, the side of the first guard plate 1 far from the second guard plate 2 is connected with an extension guard plate 3, the extension guard plate 3 is connected with the first inner layer 12 into a whole, and the thickness of the extension guard plate 3 is equal to that of the first inner layer 12. When wrapping the cargo, as shown in fig. 9, the first inner layer 12 of the first panel 1 is in contact with the cargo, and the second inner layer 22 of the second panel 2 is in contact with the cargo. The ladder-type paper corner protector of the embodiment is suitable for goods as shown in fig. 9, the second protection plate 2 is wrapped on one side with smaller goods width, and the first protection plate 1 can be wrapped on one side with larger goods width due to the arrangement of the extension protection plate 3.
EXAMPLE III
The ladder-type paper corner protector shown in fig. 4 comprises a first protection plate 1 and a second protection plate 2, wherein the first protection plate 1 comprises a first outer layer 11 and a first inner layer 12 bonded with the first outer layer 11, the second protection plate 2 comprises a second outer layer 21 and a second inner layer 22 bonded with the second outer layer 21, the first outer layer 11 is connected with the second outer layer 21, the first inner layer 12 is connected with the second inner layer 22, and the first inner layer 12 and the first outer layer 11 are equal in thickness. The first outer layer 11 and the second outer layer 21 form a first whole body, and the first whole body is formed by pressing and gluing a plurality of layers of craft paper and a plurality of layers of bobbin paper through a plurality of rollers; the first inner layer 12 and the second inner layer 22 form a second whole body, and the second whole body is formed by laminating and gluing a plurality of layers of craft paper and a plurality of layers of bobbin paper through a plurality of rollers; and then, the first whole and the second whole are pressed and glued to form a third whole, and the third whole is bent through a bending die to form the paper corner protector.
As shown in fig. 4, the side of the second guard plate 2 away from the first guard plate 1 is connected with an extension guard plate 3, the extension guard plate 3 is connected with the second inner layer 22 into a whole, and the thickness of the extension guard plate 3 is equal to that of the second inner layer 22. The ladder-type paper corner protector of the embodiment is suitable for goods as shown in fig. 9, the first protection plate 1 is wrapped on one side with smaller goods width, and the second protection plate 2 can be wrapped on one side with larger goods width due to the arrangement of the extension protection plate 3.
Example four
The ladder-type paper corner protector shown in fig. 5 comprises a first protection plate 1 and a second protection plate 2, wherein the first protection plate 1 comprises a first outer layer 11 and a first inner layer 12 bonded with the first outer layer 11, the second protection plate 2 comprises a second outer layer 21 and a second inner layer 22 bonded with the second outer layer 21, the first outer layer 11 is connected with the second outer layer 21, the first inner layer 12 is connected with the second inner layer 22, and the first inner layer 12 and the first outer layer 11 are equal in thickness. The first outer layer 11 and the second outer layer 21 form a first whole body, and the first whole body is formed by pressing and gluing a plurality of layers of craft paper and a plurality of layers of bobbin paper through a plurality of rollers; the first inner layer 12 and the second inner layer 22 form a second whole body, and the second whole body is formed by laminating and gluing a plurality of layers of craft paper and a plurality of layers of bobbin paper through a plurality of rollers; and then, the first whole and the second whole are pressed and glued to form a third whole, and the third whole is bent through a bending die to form the paper corner protector.
As shown in fig. 5, the side of the first guard plate 1 far from the second guard plate 2 is connected with an extension guard plate 3, the extension guard plate 3 is connected with the first outer layer 11 into a whole, and the thickness of the extension guard plate 3 is equal to that of the first outer layer 11. The ladder-type paper corner protector of the embodiment is suitable for cargoes as shown in fig. 9, the first protection board 1 is wrapped on one side with a larger cargo width, and the second protection board 2 is wrapped on one side with a smaller cargo width.
EXAMPLE five
The ladder-type paper corner protector shown in fig. 6 comprises a first protection plate 1 and a second protection plate 2, wherein the first protection plate 1 comprises a first outer layer 11 and a first inner layer 12 bonded with the first outer layer 11, the second protection plate 2 comprises a second outer layer 21 and a second inner layer 22 bonded with the second outer layer 21, the first outer layer 11 is connected with the second outer layer 21, the first inner layer 12 is connected with the second inner layer 22, and the first inner layer 12 and the first outer layer 11 are equal in thickness. The first outer layer 11 and the second outer layer 21 form a first whole body, and the first whole body is formed by pressing and gluing a plurality of layers of craft paper and a plurality of layers of bobbin paper through a plurality of rollers; the first inner layer 12 and the second inner layer 22 form a second whole body, and the second whole body is formed by laminating and gluing a plurality of layers of craft paper and a plurality of layers of bobbin paper through a plurality of rollers; and then, the first whole and the second whole are pressed and glued to form a third whole, and the third whole is bent through a bending die to form the paper corner protector.
As shown in fig. 6, the side of the second guard plate 2 away from the first guard plate 1 is connected with an extension guard plate 3, the extension guard plate 3 is connected with the second outer layer 21 into a whole, and the thickness of the extension guard plate 3 is equal to the thickness of the second outer layer 21. The ladder-type paper corner protector of the embodiment is suitable for goods as shown in fig. 9, the first protection plate 1 is wrapped on one side with smaller goods width, and the second protection plate 2 can be wrapped on one side with larger goods width due to the arrangement of the extension protection plate 3.
EXAMPLE six
The ladder-type paper corner protector shown in fig. 7 comprises a first protection plate 1 and a second protection plate 2, wherein the first protection plate 1 comprises a first outer layer 11 and a first inner layer 12 bonded with the first outer layer 11, the second protection plate 2 comprises a second outer layer 21 and a second inner layer 22 bonded with the second outer layer 21, the first outer layer 11 is connected with the second outer layer 21, the first inner layer 12 is connected with the second inner layer 22, the thickness of the first outer layer 11 of the first inner layer 12 is equal, an extension protection plate first 41 is connected with the first outer layer 11 into a whole, and an extension protection plate second 42 is connected with the second outer layer 21 into a whole. The first outer layer 11 and the second outer layer 21 form a first whole body, and the first whole body is formed by pressing and gluing a plurality of layers of craft paper and a plurality of layers of bobbin paper through a plurality of rollers; the first inner layer 12 and the second inner layer 22 form a second whole body, and the second whole body is formed by laminating and gluing a plurality of layers of craft paper and a plurality of layers of bobbin paper through a plurality of rollers; and then, the first whole and the second whole are pressed and glued to form a third whole, and the third whole is bent through a bending die to form the paper corner protector.
When wrapping up the goods, as shown in fig. 10, the first inner layer 12 of the first protection plate 1 contacts with the goods, and the second inner layer 22 of the second protection plate 2 contacts with the goods, so that the step-shaped goods shown in fig. 10 can be packaged, the step-shaped paper corner protector can effectively attach to the goods, and the packaging effect is good.
EXAMPLE seven
The structure principle of the embodiment is basically the same as that of the first embodiment, except that the side edge of the first protection plate 1, which is far away from the second protection plate 2, is connected with an extension protection plate 41, the extension protection plate 41 is connected with the first inner layer 12 into a whole, and the thickness of the extension protection plate 41 is equal to that of the first inner layer 12; the side edge of the second guard plate 2 far away from the first guard plate 1 is connected with a second extension guard plate 42, the second extension guard plate 42 is connected with the second outer layer 21 into a whole, and the thickness of the second extension guard plate 42 is equal to that of the second outer layer 21.
Example eight
The structure principle of the embodiment is basically the same as that of the first embodiment, except that the side edge of the first protection plate 1, which is far away from the second protection plate 2, is connected with the first extension protection plate 41, the first extension protection plate 41 is connected with the first outer layer 11 into a whole, and the thickness of the first extension protection plate 41 is equal to that of the first outer layer 11; the side edge of the second guard plate 2 far away from the first guard plate 1 is connected with a second extension guard plate 42, the second extension guard plate 42 is connected with the second inner layer 22 into a whole, and the thickness of the second extension guard plate 42 is equal to that of the second inner layer 22.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. The stepped paper corner protector comprises a first protection plate (1) and a second protection plate (2), wherein one side edge of the first protection plate (1) is connected with one side edge of the second protection plate (2), and the stepped paper corner protector is characterized in that an extension protection plate (3) is connected with the side edge of the first protection plate (1) far away from the second protection plate (2) and/or the side edge of the second protection plate (2) far away from the first protection plate (1), and the thickness of the extension protection plate (3) is smaller than that of the first protection plate (1)/the second protection plate (2).
2. The stepped paper corner protector according to claim 1, wherein the first protector sheet (1) comprises a first outer layer (11) and a first inner layer (12) bonded to the first outer layer (11), the second protector sheet (2) comprises a second outer layer (21) and a second inner layer (22) bonded to the second outer layer (21), the first outer layer (11) is joined to the second outer layer (21), and the first inner layer (12) is joined to the second inner layer (22).
3. The stepped paper corner protector according to claim 2, wherein the side of the first protective sheet (1) far away from the second protective sheet (2) is connected with an extension protective sheet (3), the extension protective sheet (3) is connected with the first inner layer (12)/the first outer layer (11) into a whole, and the thickness of the extension protective sheet (3) is equal to that of the first inner layer (12)/the first outer layer (11).
4. The stepped paper corner protector according to claim 2, wherein the side of the second protective sheet (2) far away from the first protective sheet (1) is connected with an extension protective sheet (3), the extension protective sheet (3) is connected with the second inner layer (22)/the second outer layer (21) into a whole, and the thickness of the extension protective sheet (3) is equal to that of the second inner layer (22)/the second outer layer (21).
5. The stepped paper corner protector according to claim 2, wherein the side edge of the first protective plate (1) far away from the second protective plate (2) is connected with a first extension protective plate (41), the first extension protective plate (41) is connected with the first inner layer (12) into a whole, and the thickness of the first extension protective plate (41) is equal to that of the first inner layer (12); the side edge of the second guard plate (2) far away from the first guard plate (1) is connected with a second extension guard plate (42), the second extension guard plate (42) is connected with the second inner layer (22) into a whole, and the thickness of the second extension guard plate (42) is equal to that of the second inner layer (22).
6. The stepped paper corner protector according to claim 2, wherein the side edge of the first protective plate (1) far away from the second protective plate (2) is connected with a first extension protective plate (41), the first extension protective plate (41) is connected with the first inner layer (12) into a whole, and the thickness of the first extension protective plate (41) is equal to that of the first inner layer (12); the side edge of the second guard plate (2) far away from the first guard plate (1) is connected with a second extension guard plate (42), the second extension guard plate (42) is connected with the second outer layer (21) into a whole, and the thickness of the second extension guard plate (42) is equal to that of the second outer layer (21).
7. The stepped paper corner protector according to claim 2, wherein the side edge of the first protective plate (1) far away from the second protective plate (2) is connected with a first extension protective plate (41), the first extension protective plate (41) is connected with the first outer layer (11) into a whole, and the thickness of the first extension protective plate (41) is equal to that of the first outer layer (11); the side edge of the second guard plate (2) far away from the first guard plate (1) is connected with a second extension guard plate (42), the second extension guard plate (42) is connected with the second outer layer (21) into a whole, and the thickness of the second extension guard plate (42) is equal to that of the second outer layer (21).
8. The stepped paper corner protector according to claim 2, wherein the side edge of the first protective plate (1) far away from the second protective plate (2) is connected with a first extension protective plate (41), the first extension protective plate (41) is connected with the first outer layer (11) into a whole, and the thickness of the first extension protective plate (41) is equal to that of the first outer layer (11); the side edge of the second guard plate (2) far away from the first guard plate (1) is connected with a second extension guard plate (42), the second extension guard plate (42) is connected with the second inner layer (22) into a whole, and the thickness of the second extension guard plate (42) is equal to that of the second inner layer (22).
9. The stepped paper corner bead as claimed in any one of claims 2 to 8, wherein the first inner layer (12) and the first outer layer (11) are of equal thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020432463.6U CN212291141U (en) | 2020-03-30 | 2020-03-30 | Step type paper corner protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020432463.6U CN212291141U (en) | 2020-03-30 | 2020-03-30 | Step type paper corner protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212291141U true CN212291141U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020432463.6U Active CN212291141U (en) | 2020-03-30 | 2020-03-30 | Step type paper corner protector |
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| CN (1) | CN212291141U (en) |
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2020
- 2020-03-30 CN CN202020432463.6U patent/CN212291141U/en active Active
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