APPLICATION OF VALVE ON PLASTIC OR RIGID PLASTIC FOOD PACKAGING PRODUCED BY INJECTION MOLDING TECHNOLOGY

Abstract

The invention relates to the innovation in the sealing of the valve (11) which allows gases formed by fermentation or temperature during the storage process of food filled into plastic or rigid plastic packaging containers produced by injection technology to escape, while preventing air or microorganisms from entering from the outside environment, thus extending the freshness and shelf life of the products and preventing packaging deformation.

Description

1 TARIFF 5 PLASTIC OR RIGID PLASTIC PRODUCED BY INJECTION TECHNOLOGY FOOD PACKAGING VALVE APPLICATION Technical Area The invention specifically targets plastic or rigid plastic packaging produced using injection molding technology. fermentation that occurs during the storage process of food placed in containers 10 or allows gases formed by temperature to escape while drawing air from the outside environment. or prevents microorganisms from entering, thus preserving the freshness of the products and In valve sealing, which extends shelf life and prevents packaging deformation. It is related to innovation. State of the Art In the known state of the art, food in the form of pieces, granules, powder or particles, etc. Packaging materials manufactured in various structures according to the properties of the materials. They are packaged. Packaging enables the transportation, display, and use of products, while 20 sealed to cut off contact with the outside air in order to prolong their lifespan. They are formed in a structure. Packaging is fundamentally used to prevent products from spoiling, preserve their freshness, and It is designed to provide protection against environmental factors. Additionally, by using different materials and designs depending on the product, we offer specific 25 Features can be added to meet the requirements. For example, some packaging is moisture-resistant. It may have protective, light-impermeable, or gas barrier properties. In this context, Packaging selection is a crucial factor that directly affects product quality and shelf life. It is a factor. Many food products are exposed to moisture due to their production processes, and this 30 Therefore, they may have a certain moisture content as they go through the production stages. They may contain moisture in their natural state. This situation applies to manufactured and packaged products. This causes them to retain a certain amount of moisture. 2 While moisture offers some advantages for food products, it can also cause spoilage. 5 It can also lead to problems such as microbial growth and loss of quality. Therefore, Moisture control in the production, packaging, and storage processes of food products. It is of great importance. By using appropriate packaging materials and technologies, products Moisture content can be regulated, thus extending shelf life. Furthermore, moisture control... Taking this into consideration plays a critical role in terms of food safety and consumer health. He is playing. At the same time, some air gets into the packaging during the packaging process. Over time, the moisture and substances present in these products inside the packaging become trapped. Other gases react with the air present inside, and as a result... Undesirable gases are formed inside the packaging. 15 Gas formation inside food packaging due to the effects of temperature and time. especially under the influence of gases such as oxygen, carbon dioxide and water vapor It is happening. The accumulation of these gases causes the packaging to swell, resulting in the packaging being damaged. This can cause damage. These 20 types of products that have been sitting on shelves for a long time... These products are often perceived by consumers as spoiled, and Therefore, people are avoiding shopping or returning purchased items. Damage and swelling of the packaging in this way negatively affects the appearance of the products. Because of this, it reduces customer trust and consequently affects sales. In addition, gas accumulation is due to the chemical and physical properties of the substances contained in food products. It can also negatively alter their properties, leading to a shorter shelf life. It can open. To overcome these problems, we need to address the current low gas transition rates. Packaging materials can be chosen. In this case, production costs... It can be affected. Especially vacuum or protected atmosphere packaging 30 These technologies can be used. However, in terms of both investment and other costs... It creates obstacles. It is not preferable for every product. Temperature control with temperature control in environments where products are stored and transported Containing it could reduce gas accumulation, but this might not be very sustainable. 3 Through consumer awareness, customers understand that gas formation in packaging is a normal 5 Informing them about possible situations will enable them to shop more consciously. It might help. However, it's not very likely. In conclusion, gas formation in food packaging affects both product quality and... This is a significant factor that negatively impacts customer satisfaction. Therefore, Improvement and development of packaging processes, food safety and shelf life 10 This is of critical importance. The valves currently used for this purpose are known. However, especially in rigid systems... There are drawbacks in the process of attaching plastic materials. Some problems may arise during the mass production of these valves. Especially the seal. 15 in its housing or during the injection molding process of the plastic housing Possible irregularities, adhesion problems, and insufficient sealing of the gasket. This may lead to it not providing the service. Uneven surfaces can impair the functionality of the seal. Also, hot and... Fluctuations and bending caused by temperature differences affect silicone seals. This can cause deformities. Such deformations affect the valve's sealing. This can affect its function and allow air to enter the packaging from the outside. Consequently, these types of problems affect both product protection and the packaging system. This could have negative consequences in terms of overall reliability. Therefore, manufacturing Minimizing such negative factors in these processes is of great importance. It carries. 25 At this point, the process is made more stable with the application that is the subject of the invention. and the negative consequences have been eliminated. Brief Description of the Invention The invention specifically targets plastic or rigid plastic packaging produced using injection molding technology. fermentation that occurs during the storage process of food placed in containers 30 or allows gases formed by temperature to escape while drawing air from the outside environment. or prevents microorganisms from entering, thus preserving the freshness of the products and In valve sealing, which extends shelf life and prevents packaging deformation. It is related to innovation. 4 Brief Description of Figures 5 FIGURE 1: A representative view of the rigid plastic container containing the valve, which is the subject of the invention, is given. FIGURE 2: The rigid plastic casing shows the valve's position and fixation. A representative cross-sectional view and figure are provided. FIGURE 3: A representative cross-sectional view showing the internal structure of the valve, which is the subject of the invention, is provided. FIGURE 4: 10 Reference Numbers 10. Door 10.1. Interior Wall 11. Valve 12. Bonding Area 15 13. Air Vent Area and Bonding Surface 14. Cover Detailed Description of the Invention The invention specifically targets plastic or rigid plastic packaging produced using injection molding technology. 20 during the storage process of the food filled into containers (10) While allowing gases formed by fermentation or heat to escape, the outside preventing air or microorganisms from entering the environment, thus The only thing that extends the freshness and shelf life of products and prevents packaging deformation. valve (11) body and / or cover with directional permeability feature (10) (14) is related to pasting. 25 Basically, the valve (11) is circular in form and has a bonding area (12) on its outer wall. between the mentioned adhesive area (12) inside food packaging the effective release of accumulated gas, preventing the packaging from inflating and changing its structure an air outlet facing the external environment that prevents it from deforming and It contains the bonding surface (13). 30 Plastic or rigid plastic packaging (10) material produced by injection molding technology 5 The invention is based on the inner wall of the packaging (10.1) in such a way as to prevent them from nesting together. It is fixed using an adhesive method. In its most basic design, the valve (11) has a circular form and on its outer surface The gases that accumulate in the bonding area (12) and the container (10) can be effectively released. There is a mechanism that allows it to escape. 10 This structure prevents the packaging from swelling and undergoing deformation. an air outlet area and bonding surface which helps to prevent (13) It includes. The invention is a circular form with unidirectional permeability and an outer shell. 15 between the bonding area (12) on the surface and the aforementioned bonding area (12). found in food packaging, the gas that accumulates inside is effectively released. the packaging coming loose, swelling and deformation of its structure containing an air outlet and bonding surface (13) facing the external environment that prevents air from entering. valve (11) and plastic or hard plastic packaging (10) produced by injection technology 20 (10.1) 10 - 25 kg / cm2 force, 40-60 joules of energy at 20-35 psi pressure It is applied by holding it in place for 0.400-0.700 seconds within that range. The invention specifically targets plastics or rigid plastics produced using injection molding technology. application of valve (11) on body or lid (14) of packaging containers (10) It includes... In this process, the valve is attached to the inner wall of the body or cap of the packaging, inside 25 with any gluing technique that will prevent it from sticking inwards It is applicable. This method is for plastic or rigid plastic packaging materials produced by injection molding. Although applicable, it can be used on plastics of many thicknesses. 30 In the method described in the invention, depending on the thickness and surface of the plastic material It has been determined that the applied force will be in the range of 10 kg / cm² - 25 kg / cm². 20-35 The process is carried out under psi pressure. Energy range of 40-60 joules and 0.400 - It was applied for a duration of 0.700 seconds. 6 At this stage, specifically when held at 14 psi pressure and 60 Joules of energy for 0.500 seconds, 5 The valve melted when subjected to 40 Joules of energy at 14 psi pressure for 0.500 seconds. Tests have shown that the valve does not stick. As a result of the studies conducted, the valve was specifically designed using injection technology. 10 on the body or lid of the manufactured plastic or rigid plastic packaging containers 40 to 60 joules under a force of 10 to 25 kg / cm2 and a pressure of 20 to 35 psi. The best adhesion is achieved when the energy level is applied between 0.400 and 0.700 seconds. It has been observed that this has been achieved. Plastic or rigid plastic packaging produced by injection molding technology (10), on its inner wall (10.1) Fixed by ultrasonic bonding, Hot Melt Bonding technique. This technique allows the materials to be strongly bonded together, creating an interlocking 15 It prevents passage. In addition, various adhesives can be used to adhere the Valve (11) to hard plastic. techniques depend on the requirements of the application and the material properties. It can be selected. Ultrasonic bonding, in particular, uses high-frequency sound waves to bond plastics. By heating and bonding the surfaces of the materials, a stronger and more reliable result is achieved. It establishes a connection. Hot Melt Adhesive (Hot Melt Adhesive): This method uses an adhesive where the adhesive melts in the heat. It works by being heated to a liquid state and then applied to plastic surfaces. The adhesive hardens after cooling, forming a strong bond. 25 Cold Bonding (Cold Adhesive): These adhesives do not require heat. When applied directly to surfaces, they harden through a chemical reaction. It is generally a practical and quick method. Silicone Adhesives: Silicone adhesives form a flexible bond and are generally water-resistant. It is resistant to heat and chemicals. These properties provide an advantage in certain applications. provides. UV Adhesives: These are adhesives that cure with UV light. They are resistant to exposure to UV light. They harden rapidly when left in place. This method is particularly suitable for transparent materials. It is useful for gluing. 7 Epoxy Adhesives: Epoxy adhesives are obtained by mixing two components. They are strong adhesives. They are known for their chemical resistance and high bonding strength. Double-Sided Tapes: These easy-to-use tapes are quick for joining two surfaces. It offers a solution. It is especially preferred in temporary applications involving lightweight materials. Each bonding method has 10 different properties depending on the material types and application requirements. It offers advantages according to this. Before application, surfaces must be cleaned and prepared properly. Choosing the right adhesive is important. With the method described in the invention, thanks to the valve (11) integrated into the packaging, it can be accessed from the outside. while preventing incoming air from entering, it effectively removes the gases that accumulate inside. This allows for unloading. Thus, the integrity of the packaging is preserved and the products are kept within 15 days. This ensures that it stays fresh for a long time. With the method and appropriate bonding technique that is the subject of the invention, the injection of the valve (11) plastic or rigid plastic packaging (10) material body or produced with technology It has been ensured that it adheres to the inner wall of the lid (10.1). The valve (11) located on the inside of the product wall (10.1) prevents the product from interlocking. By blocking it, it allows it to take up less space. The product takes up less space. This helps prevent packaging waste during the storage process. The application described in this invention allows for the bonding of two materials together to create a very strong connection. It provides reliable adhesion. In conclusion, this method produces plastic or rigid plastic using injection molding technology. 25 packaging (10) material body or cover (14) valve (11) positioning this allows the gas inside the product to escape while also allowing the product to... It also helps preserve its freshness. . 30

Claims

8 REQUIREMENTS 5 1- The invention specifically concerns the storage process of food filled into containers (10). the gases produced by fermentation or temperature are released While allowing air or microorganisms from the outside environment to enter, it also allows them to escape. valve (11) which prevents the products from entering, extending their freshness and shelf life. plastic or rigid plastic packaging produced by injection molding technology 10 (10) material, to the inner wall of the body or lid (14) (10.1) 10-25 kg / cm2 force, 20-35 psi pressure, 40-60 joules of energy and 0.400- It is characterized by being held and adhered for 0.700 seconds. 2- According to claim 1, it is a valve with the characteristic of having one-way permeability. that is. 15 3- According to claim 1, the valve is (11) and its characteristic is that it has a circular form. 4- According to claim 1, the valve is (11) and its characteristic is; bonding area on the outer surface. (12), located between the aforementioned bonding area (12), container (10) the packaging allows the gas that has accumulated inside to effectively escape. 20 to the external environment that prevents swelling and deformation in its structure The minister is to include the air outlet area and the bonding surface (13).

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