Anti-theft paper cover and anti-theft paper cup
Technical Field
The invention relates to the technical field of paper covers, in particular to an anti-theft paper cover and an anti-theft paper cup.
Background
At present, more and more containers with paper covers are used, particularly, under the current environmental protection concept, paper containers must replace plastic containers, and the use of the paper covers is more and more, but the existing paper covers can be reused and are not easy to find out whether the containers are used by others before the containers are used by themselves, so that it is difficult to confirm whether the paper covers are opened for the first time, whether articles or products in the containers are touched or used by others, and particularly in the food packaging industry, whether food in the containers is used or touched by others is more important.
Disclosure of Invention
The invention aims to provide an anti-theft paper cover and an anti-theft paper cup, which are used for solving the problems in the prior art, so that the paper cover of a container can generate a use trace after being used for the first time, but the reuse of the paper cover can not be influenced.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides an anti-theft paper cover which comprises a paper cover, wherein the paper cover is a cylinder provided with a lower opening, a closed upper punch cutting line is arranged on the paper cover along the circumferential direction, the upper punch cutting line divides the paper cover into a cover body and an anti-theft device, the cover body is positioned above the anti-theft device, a plurality of bulges are uniformly arranged on the inner wall of the anti-theft device along the circumferential direction, the distance between any bulge and the bulge with the farthest distance is smaller than the diameter of the upper edge of a cup body, an easy-to-tear opening is arranged on the outer wall of the anti-theft device along the direction parallel to the axial line of the anti-theft device, the upper end opening of the easy-to-tear opening extends to the upper punch cutting line, and the easy-to-tear opening is used for separating the anti-theft device from the.
Preferably, a closed lower cutting line is arranged on the outer wall of the anti-theft device along the circumferential direction, the lower cutting line divides the anti-theft device into a first split body and a second split body, the first split body and the second split body are both sleeve-shaped, the first split body is sleeved outside the second split body, the edge of the upper opening of the first split body is connected to the edge of the lower opening of the cover body through the upper punching line, the edge of the second lower opening and the edge of the first lower opening are connected by the lower cutting line, the inner wall of the second split body is uniformly provided with a plurality of bulges along the circumferential direction, the outer wall of the first split body is provided with the easy-tearing opening along the direction parallel to the axis of the first split body, the lower port of the easy-tearing port extends to the lower cutting line, and the easy-tearing port is used for separating the first split body from the second split body along the lower cutting line.
Preferably, the lid includes lid body and base stock, the lid body is upper and lower open-ended sleeve, the lower open-ended border of lid body passes through go up the cutting line with anti-theft device connects, the border of base stock fixed set up in on the inner wall of lid body.
Preferably, the base paper is a cylinder with an upper opening, the edge of the upper opening of the cover body is a curled edge, the curled edge of the cover body protrudes into the base paper, the outer wall of the base paper is fixedly arranged on the inner wall of the cover body, the curled edge of the cover body is hollow, and the edge of the upper opening of the base paper is inserted into the curled edge of the cover body along the outer wall of the cover body.
Preferably, the cover body further comprises two circular plates, the edges of the two circular plates are fixedly arranged on the inner wall of the base paper, and a gap is formed between the two circular plates and the base plate of the base paper.
Preferably, the cover body is a cylinder with a lower opening, and the lower opening edge of the cover body is connected with the anti-theft device through the upper punch cutting line.
Preferably, the cover body, the base paper and the two pieces of paper are single-sided or double-sided laminating paper.
The invention also provides an anti-theft paper cup which comprises a cup body and the paper cover, wherein the cup body is provided with an upper opening, the edge of the upper opening of the cup body protrudes outwards from the cup body, the paper cover is sleeved on the upper opening of the cup body, the maximum diameters of the inner wall of the cover body and the edge of the upper opening of the cup body are the same, and the distance between any one protrusion and the farthest protrusion is smaller than the diameter of the upper edge of the cup body.
Preferably, the edge of the upper opening of the cup body is a curled edge.
Compared with the prior art, the invention has the following technical effects:
the invention provides an anti-theft paper cover which comprises a paper cover, wherein the paper cover is a cylinder provided with a lower opening, a closed upper punch cutting line is arranged on the paper cover along the circumferential direction, the upper punch cutting line divides the paper cover into a cover body and an anti-theft device, a plurality of bulges are uniformly arranged on the inner wall of the anti-theft device along the circumferential direction, the distance between any bulge and the bulge farthest away from the bulge is smaller than the diameter of the upper edge of a cup body, an easy-to-tear opening is arranged on the outer wall of the anti-theft device along the direction parallel to the axial direction of the anti-theft device, the upper end opening of the easy-to-tear opening extends to the upper punch cutting line, and the easy-to-tear. The invention also provides an anti-theft paper cup, which comprises a cup body and the paper cover, wherein the cup body is provided with an upper opening, the edge of the upper opening of the cup body protrudes outwards, the paper cover is sleeved on the upper opening of the cup body, the maximum diameter of the inner wall of the cover body is the same as that of the upper opening of the cup body, and the paper cover has certain elasticity, so the anti-theft paper cover provided by the application can be easily covered on the cup body, when the anti-theft paper cover is taken down, the upper end of each protrusion on the anti-theft device can interfere with the upper edge of the protrusion of the container outwards from the cup body to prevent the anti-theft paper cover from being separated from the container, the anti-theft device needs to be manually separated from the cover body along an upward cutting line from an easy-tearing opening to achieve the purpose of opening the paper cover, but the cover body is not damaged, the cover body can be continuously buckled on the container for use, therefore a user can determine whether the container is used by observing whether the anti, and the cover body can not be damaged after the paper cover is automatically opened, and the repeated use of the paper cover is not influenced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a cross-sectional view of a paper theft prevention cover according to one embodiment;
FIG. 2 is a partial enlarged view of the anti-theft paper cover A in the first embodiment
FIG. 3 is a sectional view of the anti-theft paper cover according to the second embodiment;
FIG. 4 is a cross-sectional view of the anti-theft paper cover buckled to the cup body according to the third embodiment;
fig. 5 is a front view of the anti-theft paper cover according to the third embodiment;
in the figure: 1-cover body, 2-second split body, 3-bulge, 4-upper punching line, 5-lower punching line, 6-first split body, 7-easy-tear opening, 8-cover body, 9-two pieces and 10-base paper.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide an anti-theft paper cover and an anti-theft paper cup, which are used for solving the problems in the prior art, so that the paper cover of a container can generate use traces after being used for the first time, but the reuse of the paper cover can not be influenced.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
The embodiment provides an anti-theft paper cover, as shown in fig. 1 to 4, which comprises a paper cover, the paper cover is a cylinder provided with a lower opening, the paper cover is provided with a closed upper punch cutting line 4 along the circumferential direction, the upper punch cutting line 4 divides the paper cover into a cover body 1 and an anti-theft device, the cover body 1 is positioned above the anti-theft device, the inner wall of the anti-theft device is uniformly provided with a plurality of bulges 3 along the circumferential direction, the distance between any bulge 3 and the bulge 3 farthest away from the bulge is smaller than the diameter of the upper edge of the cup body, the outer wall of the anti-theft device is provided with an easy-to-tear opening 7 along the axial direction parallel to the anti-theft device, the upper end opening of the easy-to-tear opening 7 extends to the upper punch cutting line 4, the easy-to-tear opening 7 is used for separating the anti-theft device from the cover body 1 along the upper punch cutting line 4, the bulge 3 on the paper cover, when the anti-theft paper cover is taken down, the upper ends of the bulges 3 on the anti-theft device interfere with the upper edge of the outward bulge of the container body to prevent the anti-theft paper cover from being separated from the container, the anti-theft device needs to be manually separated from the cover body 1 along the upper punching cutting line from the easy-to-tear opening 7, the purpose of opening the paper cover is achieved, the cover body 1 is not damaged, the cover body 1 can be continuously buckled on the container for use, therefore, a user can determine whether a person uses the container by observing whether the anti-theft paper cover exists on the anti-theft paper cover, the cover body 1 cannot be damaged after the anti-theft paper cover is automatically opened, and the reuse of the paper cover is not influenced.
Furthermore, the outer wall of the anti-theft device is provided with a closed lower cutting line 5 along the circumferential direction, the lower cutting line 5 divides the anti-theft device into a first sub-body 6 and a second sub-body 2, the first sub-body 6 and the second sub-body 2 are both in a sleeve shape, the first sub-body 6 is sleeved outside the second sub-body 2, the edge of the upper opening of the first sub-body 6 is connected to the edge of the lower opening of the cover body 1 through an upper cutting line 4, the edge of the lower opening of the second sub-body 2 is connected with the edge of the lower opening of the first sub-body 6 through a lower cutting line 5, the inner wall of the second sub-body 2 is uniformly provided with a plurality of bulges 3 along the circumferential direction, the outer wall of the first sub-body 6 is provided with an easy-tearing port 7 along the direction parallel to the axial line of the first sub-body 6, the lower port of the easy-tearing port 7 extends to the lower cutting line 5, the easy-tearing port 7 is used for separating the first sub-body 6 from the second sub, therefore, a certain elastic deformation gap is formed between the first component 6 and the second component 2, the elastic deformation gap is reduced under the action of external force, so that the anti-theft paper cover can be easily buckled on a container, after buckling, the gap between the second component 2 and the first component 6 is restored, when the anti-theft paper cover is opened for the first time after buckling, the upper edge of the second component 2 and the upper edge of each protrusion 3 on the second component 2 can prevent the anti-theft paper cover from being separated from the container, therefore, a user needs to separate the first component 6 from the easy-to-tear opening 7 from the cover body 1 along the upper cutting line and the lower cutting line so as to achieve the purpose of opening the container, the second component 2 can also fall off due to lack of support of the first component 6, but the cover body 1 can still serve as a conventional paper cover to cover the container opening without influencing the normal use, the size of the elastic deformation gap between the outer wall of the first component 2 and the inner wall of the first component 6 in the embodiment is gradually increased from bottom to top, therefore, the second component 2 has a certain slope, so the anti-theft paper cover provided by the embodiment can be easily buckled on the cup body.
Further, lid 1 is including lid body 8 and base stock 10, and lid body 8 is upper and lower open-ended sleeve, and the lower open-ended border of lid body 8 is connected with anti-theft device through upper punch cutting line 4, and the border of base stock 10 is fixed to be set up on the inner wall of lid body 8.
Further, as shown in fig. 3, the base paper 10 is a cylinder provided with an upper opening, the edge of the upper opening of the cover body 8 is a curled edge, the curled edge of the cover body 8 protrudes into the base paper 10, the outer wall of the base paper 10 is fixedly arranged on the inner wall of the cover body 8, the curled edge of the cover body 8 is hollow, the edge of the upper opening of the base paper 10 is inserted into the curled edge of the cover body 8 along the outer wall of the cover body 8, the curled edge of the upper opening of the cover body 8 is designed to be a curled edge, which is in accordance with the aesthetic sense of the public, and the curled edge can play a role in fixing the base paper 10, thereby enhancing the structural strength of the paper cover.
Example two
In the present embodiment, a two-piece 9 anti-theft paper cover is provided, as shown in fig. 4, the cover body 1 further includes a two-piece 9, the two-piece 9 is a circular plate, the edge of the two-piece 9 is fixedly disposed on the inner wall of the base paper 10, a gap is formed between the two-piece 9 and the base paper 10, and the two-piece 9 is used to enhance the structural strength of the cover body 1, so that the cover body 1 can be used for multiple times without being damaged.
Furthermore, the cover body 8, the base paper 10 and the two sheets 9 are single-sided or double-sided coated paper, the coated paper has the characteristics of good flexibility, stable and reliable performance, degradability, recoverability and the like, and is a novel green environment-friendly product, and the cover body 8, the base paper 10 and the two sheets 9 are connected through a heat sealing device or a heat sealing device to be subjected to heat sealing packaging.
EXAMPLE III
The embodiment provides a lid 1 for the theftproof paper lid that lower extreme opening upper end is confined, as shown in fig. 1, lid 1 is the drum that has a lower open-ended, and the lower open-ended limit of lid 1 is connected with anti-theft device through upper punch cutting line 4, and lid 1 can integrated embossing shaping, and it is convenient to make.
Example four
The embodiment provides an anti-theft paper cup, which comprises a cup body and a paper cover as in any one of the first embodiment, the second embodiment and the third embodiment, wherein the cup body is provided with an upper opening, the edge of the upper opening of the cup body protrudes outwards, the paper cover is sleeved on the upper opening of the cup body, the maximum diameters of the inner wall of the cover body 1 and the edge of the upper opening of the cup body are the same, the distance between any one protrusion 3 and the protrusion 3 farthest away from the protrusion is smaller than the diameter of the upper edge of the cup body, the cup body is not limited to a paper cup, and if the upper edge of the cup body made of other materials is provided with the protrusion 3, the anti-theft paper.
Furthermore, the edge of the upper opening of the cup body is a curled edge.
The production method of the anti-theft paper cover provided by the embodiment II comprises the following steps: the method comprises the following steps: the cover body paper is subjected to die cutting and embossing to generate an upper punching line 4, a lower punching line 5, a plurality of bulges 3 and an easy tearing opening 7, and the cover body paper is a sleeve with an upper opening and a lower opening; step two: the cover paper and the base paper 10 are thermally sealed by a thermal sealing device; step three: the upper punch cutting line 4 and the lower punch cutting line 5 divide the cover body paper into a cover body 1, a first sub-body 6 and a second sub-body 2, the second sub-body 2 is turned upwards into the first sub-body 6 along the lower punch cutting line 5, the bulge 3 is positioned on the inner wall of the second sub-body 2, and the easy-to-tear opening 7 is positioned on the inner wall of the first sub-body 6; step four: and rolling the edge of the opening on the body covering paper to form a roll edge.
Further, the fourth step includes that the base paper 10 is a cylinder with an upper opening, the two sheets 9 are firstly arranged on the inner wall of the base paper 10, then the edge of the upper opening of the cover body paper is curled to form a curled edge, and the edge of the upper opening of the base paper 10 is arranged in the curled edge of the upper opening of the cover body paper.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.