Press lock zippers are a type of resealable closure commonly used in flexible packaging, including stand-up pouches. While press lock zippers themselves do not inherently allow a pouch to stand upright on shelves or displays, they are often integrated into stand-up pouch designs alongside other features that enable them to stand upright.
Here’s how press lock zipper stand-up pouches achieve this:
- Bottom Gusset: Stand-up pouches with press lock zippers typically feature a bottom gusset, which is a triangular-shaped fold at the bottom of the pouch. This gusset expands when the pouch is filled, providing stability and allowing the pouch to stand upright on shelves or displays.
- Flat Base: Some stand-up pouches are designed with a flat base that provides additional support for standing upright. The flat base ensures that the pouch remains stable and balanced, even when filled with contents.
- Structural Integrity: Stand-up pouches are constructed from flexible yet durable materials, such as laminated films or multilayered structures, that maintain their shape and structural integrity when filled. Press lock zipper supplier This allows the pouch to stand upright without collapsing or losing its form.
- Center of Gravity: The design of stand-up pouches is optimized to distribute the weight of the contents evenly, with the center of gravity positioned towards the bottom of the pouch. This helps prevent tipping or toppling when the pouch is placed on shelves or displays.
- Display Orientation: Manufacturers often design stand-up pouches with the intention of displaying them in a vertical orientation, with the press lock zipper located at the top of the pouch. This ensures that the zipper closure remains accessible and easy to use for consumers.
- Retail Display Solutions: In retail environments, stand-up pouches with press lock zippers may be displayed using various shelf display systems or racks designed specifically for flexible packaging. These display solutions help showcase the pouches effectively and enhance their visibility to consumers.
Overall, the combination of a press lock zipper closure with a stand-up pouch design that includes features such as a bottom gusset, flat base, and structural integrity enables the pouch to stand upright on shelves or displays. This ensures that the contents remain visible and accessible to consumers while also providing convenience through resealability.
