A food grade fluorescent ink coating iron can
Patent Information
- Application Number
- CN202522471706.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-21
- Publication Date
- 2026-10-09
- Estimated Expiration
- 2035-11-21
AI Technical Summary
[0003]目前,大多数食品包装铁罐采用普通油墨进行标识和印刷,在正常光照条件下,这些标识能够清晰可见,但在一些特殊环境下,如夜间或低光环境中,普通油墨标识的可见性就会大大降低,而且普通油墨标识在铁罐的运输、储存和使用过程中,容易受到摩擦、刮擦和化学物质的侵蚀,导致标识模糊、褪色甚至脱落,降低铁罐的识别度,因此我们提出了一种食品级荧光油墨涂层铁罐来解决上述问题
[0016]与现有技术相比,本实用新型提供了一种食品级荧光油墨涂层铁罐,具备以下有益效果:
Smart Images

Figure CN224830065U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tin can technology, specifically to a food-grade fluorescent ink coated tin can. Background Technology
[0002] In the food packaging industry, tin cans occupy an important position due to their unique advantages. Tin cans have excellent sealing properties, effectively isolating food from external factors such as air, moisture, and light, thereby extending the shelf life and maintaining the freshness and quality of the food. For example, common canned foods, such as canned meat and canned fruit, are mostly packaged in tin cans to ensure that the food does not spoil during long-term storage and transportation.
[0003] Currently, most food packaging tin cans use ordinary ink for marking and printing. Under normal lighting conditions, these markings are clearly visible. However, in some special environments, such as at night or in low-light environments, the visibility of ordinary ink markings is greatly reduced. Moreover, ordinary ink markings are easily affected by friction, scratches, and chemical corrosion during the transportation, storage, and use of tin cans, leading to blurred, faded, or even detached markings, thus reducing the recognizability of the tin cans. Therefore, we propose a food-grade fluorescent ink coating for tin cans to solve the above problems. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this utility model provides a food-grade fluorescent ink coated tin can, which solves the problems mentioned in the background section.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model specifically adopts the following technical solution:
[0008] A food-grade fluorescent ink coated tin can includes a can body, a can bottom fixedly connected to the bottom of the can body, an inner rib fixedly connected to the inner wall of the can body, a can lid at the opening of the can body, a substrate layer for the can body, the can bottom and the can lid, an inner surface coated with a base coating, an inner surface coated with an anti-sulfur coating, an inner surface coated with an adhesive layer, an inner surface coated with a protective coating, an outer surface coated with a rust-proof layer, an outer surface coated with a fluorescent ink layer, an outer surface coated with a printing layer, an outer surface coated with a varnish layer, and an outer surface coated with an anti-scratch layer.
[0009] Furthermore, the top of the can lid is provided with a pull ring.
[0010] Furthermore, the substrate layer is made of tinplate material, and the base coating layer is made of epoxy phenolic resin material.
[0011] Furthermore, the anti-sulfur coating is made of acrylic resin material, and the adhesive layer is made of acrylic adhesive material.
[0012] Furthermore, the fluorescent ink layer is made of food-grade fluorescent pigment, and the protective coating is made of polyurethane varnish material.
[0013] Furthermore, the anti-rust layer is made of water-based acrylic primer, and the printing layer is made of carbon black.
[0014] Furthermore, the varnish layer is made of acrylic matte varnish material, and the scratch-resistant layer is made of acrylic coating material.
[0015] (III) Beneficial Effects
[0016] Compared with the prior art, this utility model provides a food-grade fluorescent ink coated tin can, which has the following beneficial effects:
[0017] This invention features a substrate layer with good strength and formability, capable of withstanding certain external pressure and impact. The base coating layer has excellent adhesion, forming a strong and dense barrier on the substrate surface. The anti-sulfur coating has good anti-sulfur properties, forming an effective protective barrier to protect the can from sulfur corrosion. The adhesive layer firmly bonds the protective coating to the anti-sulfur coating, forming a smooth and dense protective film. The anti-rust layer has good anti-rust properties, forming a dense anti-rust film on the can surface, preventing moisture and oxygen from contacting the can and effectively preventing rust. The fluorescent ink layer has special luminescent properties; under natural light or ultraviolet light, it absorbs specific wavelengths of light and converts them into visible fluorescence, preventing blurring and fading of markings and improving the recognizability of the tin can. Attached Figure Description
[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0019] Figure 2 This is a three-dimensional structural diagram of the can lid of this utility model after it has been removed;
[0020] Figure 3 This is a partial cut-through sectional view of the tank body of this utility model.
[0021] In the diagram: 1. Tank body; 2. Tank bottom; 3. Inner rib; 4. Tank lid; 5. Substrate layer; 6. Base coat; 7. Anti-sulfur coating; 8. Adhesive layer; 9. Protective coating; 10. Rust-proof layer; 11. Fluorescent ink layer; 12. Printing layer; 13. Gloss layer; 14. Scratch-resistant layer; 15. Pull ring. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Example
[0024] like Figure 1-3 As shown in the figure, an embodiment of the present invention provides a food-grade fluorescent ink coated iron can, including a can body 1, a can bottom 2 fixedly connected to the bottom of the can body 1, an inner rib 3 fixedly connected to the inner wall of the can body 1, a can lid 4 provided at the opening of the can body 1, a substrate layer 5 provided for the can body 1, the can bottom 2 and the can lid 4, the inner surface of the substrate layer 5 is coated with a base coating 6, the inner surface of the base coating 6 is coated with an anti-sulfur coating 7, the inner surface of the anti-sulfur coating 7 is coated with an adhesive layer 8, the inner surface of the adhesive layer 8 is coated with a protective coating 9, the outer surface of the substrate layer 5 is coated with an anti-rust layer 10, the outer surface of the anti-rust layer 10 is coated with a fluorescent ink layer 11, the outer surface of the fluorescent ink layer 11 is coated with a printing layer 12, the outer surface of the printing layer 12 is coated with a varnish layer 13, and the outer surface of the varnish layer 13 is coated with an anti-scratch layer 14.
[0025] In use, the substrate layer 5 has good strength and formability, and can withstand certain external pressure and impact. The base layer 6 has excellent adhesion and can form a strong and dense barrier on the surface of the substrate layer 5. The anti-sulfur coating 7 has good anti-sulfur performance and can form an effective protective barrier to prevent sulfur elements or sulfides in food from reacting with the material of the can 1, thereby protecting the can 1 from sulfur corrosion. The adhesive layer 8 mainly functions to firmly bond the protective coating 9 to the anti-sulfur coating 7. The protective coating 9 has good chemical stability and isolation performance and can form a smooth and dense protective film, effectively blocking the direct contact between the fluorescent ink layer 11 and the food. The anti-rust layer 10 has good anti-rust performance and can form a dense anti-rust film on the surface of the can 1, preventing moisture and oxygen from contacting the can 1 and effectively preventing the can 1 from rusting. The fluorescent ink layer 11 has special luminescent properties. Under natural light or ultraviolet light, it can absorb light of a specific wavelength and convert it into visible fluorescence, preventing the markings from becoming blurred or fading and improving the recognizability of the iron can.
[0026] like Figure 1 As shown, in some embodiments, the top of the can lid 4 is provided with a pull ring 15.
[0027] The pull ring 15 makes it easy for users to open the can lid 4.
[0028] like Figure 3 As shown, in some embodiments, the substrate layer 5 is made of tinplate material, and the base layer 6 is made of epoxy phenolic resin material.
[0029] The base coating 6 is made of epoxy phenolic resin material. It adheres tightly to the surface of the substrate layer 5, forming a strong barrier that enhances the adhesion between the subsequent coating and the substrate layer 5, while preventing the components in the substrate layer 5 from reacting chemically with those in the subsequent coating.
[0030] like Figure 3 As shown, in some embodiments, the anti-sulfur coating 7 is made of acrylic resin material, and the adhesive layer 8 is made of acrylic adhesive material.
[0031] Acrylic adhesives have good flexibility and impact resistance, and can adapt to the deformation and vibration that may occur in tank 1 during use.
[0032] like Figure 3 As shown, in some embodiments, the fluorescent ink layer 11 is made of food-grade fluorescent pigment, and the protective coating 9 is made of polyurethane varnish material.
[0033] Fluorescent inks can be used to print important information such as product information, brand logos, production dates, and shelf-life. Under normal light, this information is clearly visible, while under ultraviolet light, the fluorescence effect makes the information more eye-catching and prominent, making it easier for consumers to identify and read.
[0034] like Figure 3 As shown, in some embodiments, the anti-rust layer 10 is made of a water-based acrylic primer material, and the printing layer 12 is made of carbon black material.
[0035] Carbon black has extremely high blackness and hiding power, which can make printed materials appear as a rich and deep black, enhancing the visual effect of printed materials.
[0036] like Figure 3 As shown, in some embodiments, the varnish layer 13 is made of acrylic matte varnish material, and the scratch-resistant layer 14 is made of acrylic coating material.
[0037] Acrylic matte oil can form a matte coating on the surface of a tin can, giving the tin can a soft and understated texture. The acrylic coating has high hardness and can form a hard protective film on the surface of the tin can. This protective film can effectively resist scratches and friction from external objects, such as hard objects like keys and coins.
[0038] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A food-grade fluorescent ink coated iron can, comprising a can body (1), characterized in that: The bottom of the tank (1) is fixedly connected to the tank bottom (2), and the inner wall of the tank (1) is fixedly connected to the inner rib (3). The opening of the tank (1) is provided with a tank cover (4). The tank (1), the tank bottom (2) and the tank cover (4) are all provided with a substrate layer (5). The inner surface of the substrate layer (5) is coated with a base coating layer (6). The inner surface of the base coating layer (6) is coated with an anti-sulfur coating layer (7). The inner surface of the anti-sulfur coating layer (7) is coated with an adhesive layer (8). The inner surface of the adhesive layer (8) is coated with a protective coating layer (9). The outer surface of the substrate layer (5) is coated with an anti-rust layer (10). The outer surface of the anti-rust layer (10) is coated with a fluorescent ink layer (11). The outer surface of the fluorescent ink layer (11) is coated with a printing layer (12). The outer surface of the printing layer (12) is coated with a varnish layer (13). The outer surface of the varnish layer (13) is coated with an anti-scratch layer (14).
2. The food-grade fluorescent ink coated tin can according to claim 1, characterized in that: The top of the can lid (4) is provided with a pull ring (15).
3. A food-grade fluorescent ink coated tin can according to claim 2, characterized in that: The substrate layer (5) is made of tinplate material, and the base layer (6) is made of epoxy phenolic resin material.
4. A food-grade fluorescent ink coated tin can according to claim 3, characterized in that: The anti-sulfur coating (7) is made of acrylic resin material, and the adhesive layer (8) is made of acrylic adhesive material.
5. A food-grade fluorescent ink coated tin can according to claim 4, characterized in that: The fluorescent ink layer (11) is made of food-grade fluorescent pigment, and the protective coating (9) is made of polyurethane varnish material.
6. A food-grade fluorescent ink coated tin can according to claim 5, characterized in that: The rust-proof layer (10) is made of water-based acrylic primer, and the printing layer (12) is made of carbon black.
7. A food-grade fluorescent ink coated tin can according to claim 6, characterized in that: The varnish layer (13) is made of acrylic matte varnish material, and the scratch-resistant layer (14) is made of acrylic coating material.