Efficient Resealable Packaging Methods for Enhanced Usability
39 patents in this list
Updated:
Current resealable packaging solutions face measurable challenges in maintaining seal integrity over multiple uses while ensuring ease of access. Field studies show that conventional resealable packages lose 40-60% of their sealing effectiveness after 3-5 cycles of use, and users report applying up to 2.5 times more force than necessary when attempting to reseal flexible packaging.
The fundamental challenge lies in balancing the competing demands of seal reliability, user accessibility, and material efficiency in package design.
This page brings together solutions from recent research—including rigid-walled designs that prevent product crushing, multi-layer sealing systems that maintain integrity through repeated use, atmospheric control films, and innovative closure mechanisms that optimize seal performance. These and other approaches focus on practical improvements in both consumer usability and product preservation.
1. Resealable Package with Expanded Access Opening and Tamper-Indicating Integrity Feature
INTERCONTINENTAL GREAT BRANDS LLC, 2024
Flexible resealable packages for food products that provide improved accessibility to the contents. The packages have a resealable access opening with expanded sections that extend outward from the main cut. This allows easier removal of products without getting caught in the film. A starter portion lifts the sealing layer and flap. An integrity feature ruptures after opening to indicate if the package has been opened before. The cuts have terminations to prevent further tearing.
2. Food Packaging Bag with Interlocking Sealing Strips Featuring Lug and Recess Configuration
Fengda Packaging Products Co., Ltd., Fengda Packaging Products (Jiaxing) Co., Ltd., 2024
Food packaging bag with sealing strips that prevent bacteria transfer when opening the bag. The bag has multiple sealing strip groups on the inside sides. Each group has a first sealing strip with a lug and a second sealing strip with a recess. The lug can slide into the recess to seal the bag opening. This prevents contact between the inside of the bag and hands when opening, reducing bacteria transfer.
3. Modular Beverage Container Enclosure with Removable Insulating Sleeve and Integrated Sealable Cap Assembly
RTIC OUTDOORS LLC, 2024
Beverage container enclosure that provides thermal insulation, protection against physical damage, and a secure seal to prevent spills. The enclosure consists of a rigid base component with a removable inner sleeve to hold the can, and a separate cap component that slides over the opening. The cap has a rigid shell, an insert with seals to match the can mouth, and a sliding tab to close it. This allows drinking through the cap without removing the can, and protects against heat and spills. The base and cap components can be made of different materials.
4. Resealable Snack Package with Rigid Sidewalls and Adhesive Flap Mechanism
FRITO LAY NORTH AMERICA INC, FRITO-LAY NORTH AMERICA INC, 2024
Unique resealable snack packages that overcome the issues of conventional pillow bags. The disclosed packages have rigid sidewalls that maintain thickness when opened, preventing product crushing. The sidewalls also provide structural support when resealing to avoid flattening the contents. The bags have a resealable flap with a pull tab that is easy to grasp and peel open. The flap covers the opening and can be resealed using an adhesive strip. The rigid sides prevent the contents from spilling when resealing. The bags can also have slimmer profiles compared to pillow bags for easier carrying.
5. Separable Food Container with Detachable Cover Frame and Anti-Opening Feature for Repeated Sealing
FINEST PRODUCTS LTD, 2023
Reusable food container that is environmentally friendly and can be reused multiple times while maintaining sealing integrity. The container has a separable design where the container body and cover frame connect with a break point. The cover frame detaches during covering with a film to seal the container. This allows repeated reuse without replacing parts like disposable containers. An anti-opening feature on the cover frame prevents forced opening. Sealing structures on the body and frame ensure a tight seal after repeated use.
6. Rigid Multi-Compartment Snack Package with Snap-On Recloseable Lid and Matched Skirts
THE QUAKER OATS CO, 2023
Recloseable multi-compartment snack package with a rigid tray and a recloseable lid that addresses the shortcomings of conventional multi-compartment snack packages. The package has a rigid tray with compartments formed by dividers, and a matching rigid lid that snaps on. The tray has a skirt that extends outward and matches the lid skirt to prevent lifting. The lid has pull tabs for easy removal. The compartments are rigid instead of flexible, allowing easy access and visibility. The recloseable lid lets users see the contents and reseal the package. The matched skirts prevent the lid from coming off. The rigid tray prevents crushing.
7. Three-Piece Resealable Enclosure for Beverage Bottles Comprising Body, Base, and Cap
RTIC OUTDOORS LLC, 2023
Protective enclosure for beverage bottles that allows resealing an open bottle to prevent spills and maintain freshness. The enclosure has three pieces - a body with an open interior, a base that covers the bottom opening, and a cap that covers the top opening. The bottle is inserted into the body, the base is attached to cover the bottom, and the cap is attached to cover the top. This completely surrounds and encloses the open bottle.
8. Layered Plastic Packaging Bag with Integrated Inner Bag and Sealing Mechanism
WUHU KAIHUA PLASTIC PACKAGING CO LTD, 2023
Automatic seal plastic packaging bag that can be sealed in place when needed for convenience and to prevent food spoilage. The bag has an inner wrapping bag inside the main bag, with a slotted hole connecting them. A sealing block is in the right side of the hole, and a sealing groove on the left side. When food is finished, the upper end can be removed and sealed in the groove using the block. This allows cutting off the unused portion without needing to reseal the whole bag. The inner bag has a contact layer for food safety, bending resistance layer to prevent damage, and a waterproof layer to prevent moisture ingress.
9. Breathable, Peelable, Resealable Film with Atmospheric Control Attributes for Food Packaging
BALASUBRAMANIAN AISHWARYA, CHEN XI, MIR NAZIR, 2023
Packaging for food products that optimizes shelf life, allows multiple servings, and provides ready-to-eat convenience. The packaging has a breathable, peelable, resealable film connected to a container. The film has atmospheric control attributes like perforations to promote interior conditions that extend product life. The film allows peeling/resealing to access the product inside. This enables consuming part of the product while maintaining quality. The film promotes optimal atmospheric conditions inside based on respiration rate.
10. Resealable Beverage Can Lid with Rotatable Plug and Reinforced Edge Structures
POWERCAN HOLDING LLC, 2023
Improved resealable beverage can lid design that allows resealing after opening and reduces waste compared to existing active tabbed lids. The lid has a vertical wall that seals against the can body and a removable plug that rotates to open the lid. The plug has features to translate radial motion into linear motion for opening. The lid also has reinforcing structures around the edges and inside cavities to distribute forces and prevent tearing. This allows the lid to be sealed again after opening without the can needing to be thrown away.
11. Composite Metal Can Lid with Resealable Tear or Press Closure
GREGOR ANTON PIECH, 2022
Reclosable metal can lid with a resealable opening that can be torn or pressed closed. The lid has a molded composite part that seals against the can and prevents corrosion. The resealable opening allows the lid to be reclosed after opening, unlike standard can lids. This enables reusing the container for multiple uses without waste. The composite material extends around the lid edge to make a tight seal. The lid can reseal on non-metal containers using adhesives or welding.
12. Resealable Perforated Film Packaging with Gas Exchange for Food Products
MIR NAZIR, 2022
Breathable packaging for food products like fruits and vegetables that extends shelf life by optimizing the internal atmosphere. The packaging has resealable peelable films with perforations to allow gas exchange. This promotes controlled atmospheres inside the package that extend food quality and prevent spoilage. The perforations allow transmission of gases like CO2 and O2 based on the produce respiration rate. This prevents premature fermentation and maintains freshness during storage. The resealable films also allow repeated access to the food.
13. Metal Container with Heat-Sealable Liners and Reclosable Lid Featuring Interlocking Curled Sections
BALL CORP, 2022
Recyclable and reclosable food and beverage packaging using heat seal technology that allows consumers to reseal the container after opening. The packaging comprises a metal container with a curled upper end and a reclosable lid with a curled section. The container and lid have heat sealable liners. The curled sections engage to seal the container when closed. The lid has a pry lug to break the seal for opening. The curled sections allow resealing the container after opening. The liners enable recycling by preventing adhesive residue.
14. Packaging Case with Angled Corner Flaps and Aligned Graphics for Gap Reduction
GEN MILLS INC, GENERAL MILLS INC, 2022
Reclosable packaging case for frozen food products that minimizes quality loss by reducing gaps when reclosed. The case has inner and outer top flaps that cover the interior. The outer flaps have angled corner portions that insert into openings in the inner flaps. This alignment ensures minimal gaps when reclosed. The corner fold lines and inner flap opening locations are pre-established to achieve this. The case can be formed from a blank with perforations and fold lines that match these angles. Graphics on the inner and outer flaps align to indicate proper closure.
15. Threaded and Rim-Engaging Dual-Compartment Snack and Beverage Container with Integrated Access Mechanism
CRAZY MINDS LLC, 2022
A snack storage container that attaches to a beverage container like a cup to provide separate compartments for holding snacks and beverages together. The snack container has a barrier to prevent mixing of the foods and drinks. It can be accessed by opening a lid, flipping a hinged lid, or twisting a cap. The container attaches to the beverage container using threads or engaging with the rim. The container can be reusable, detachable, and the lid never needs to be removed. It allows holding both beverage and food in one hand for convenience.
16. Multi-Layer Portable Packaging Bag with Moisture-Proof Sealing Film and Reinforcing Layers
SHENYANG AGRICULTURAL UNIVERSITY, UNIV SHENYANG AGRICULTURAL, 2022
Portable milk powder packaging bag with a moisture-proof and waterproof sealing film to prevent spoilage and contamination of milk powder. The bag has an inner container layer connected to the bag body. The top opening has a self-sealing strip. The outer sealing film covers the bag and has tearing lines. Inside is release paper. Reinforcing layers strengthen the bag. The inner liner, sealing film, and release paper seal the powder. The outer sealing film further seals. The inner liner and sealing film preseal with strips then final seal with the outer film. This provides tight sealing to prevent moisture and water ingress. The reinforcing layers prevent bag collapse. The release paper prevents sticking.
17. Dual-Layer Enclosure System for Food Product Packaging
GOODNESS GARDENS INC, 2022
Packaging for food products like leafy greens that improves freshness and automates packing. The packaging has two layers of material that enclose the food inside. The first layer is fixed to the container base and the second layer is removably sealed over it. This allows the food to be placed in the container through the first layer, which is then sealed by the second layer. The two-layer design prevents air from reaching the food and extends freshness. It also facilitates automated packing by allowing the food to be arranged in the first layer and then sealing with the second layer.
18. Adhesive Package Assembly with Balanced Non-Stick Reusable Seal Mechanism
YUPO CORP, ZEON CORP, 2022
A package design with reusable seals that can be repeatedly opened and closed without sticking or contamination. The package has two adhesive parts that can be brought together to seal the opening. The key characteristic is that the adhesion force between the parts is balanced with properties that prevent sticking. The 90-degree peel force between the parts when sealed is 0.02 N or more, and the dynamic friction and tack force of each part are 1.50 or less and 1.60 N or less, respectively. This allows good sealing while preventing material adhesion.
19. Sealing Ring Plug Lid with Direct-Drink Aperture and Grasping Tab for Drink Containers
PACIFIC MARKET INTERNATIONAL LLC, 2022
A plug lid for drink containers that provides a fluid-tight seal without requiring full removal of the lid for drinking. The lid has a sealing ring that compresses against the interior wall of the container when inserted, creating a seal. The ring has a narrow size tolerance to match variations in container interior diameter. This allows drinking directly through the lid without removing it. The lid also has a tab for easy grasping and removal.
20. Flexible Bag with Integrated Deformable Closure Members
VALERIO PASCAL DIEGO, 2021
Resealable flexible bag with an integrated closing mechanism that maintains the bag closed when sealed. The mechanism uses flexible members attached, disposed on, or embedded in the bag material. When the bag is sealed, the flexible members deform to create a seal. This prevents the bag from naturally staying open after being sealed like normal bags do.
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