Stand-up Reclosable Package with Peelable Closure and Gripping Means
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Solution Overview
Problem
Stand-up packages for liquids are difficult to open without scissors due to heat-sealed upper flaps, and existing solutions do not provide an easy-open system or allow for easy re-closing.
Innovation Solution
A flexible package design featuring a supporting base with side walls and a top wall with a peelable closure and gripping means, allowing users to easily open and re-close the package without tools by separating the upper flaps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If heat-sealed upper flaps are used to close the package, then the package is sealed and secure, but the package becomes difficult to open and requires scissors or tools
Solution Approach 1:
The upper flaps are divided into multiple segments: a first flap and a second flap that can be separated from each other. The peelable closure is also segmented into first and second portions that can be peeled apart. This segmentation allows the package to maintain a secure heat-sealed state while enabling easy manual opening by pulling the flaps apart, eliminating the need for scissors or tools.
2Ease of operation
If a peelable closure is introduced for easy opening, then opening becomes simple, but the package structure becomes more complex
Solution Approach 1:
The peelable closure is merged with the heat-sealed flaps structure. The first and second portions of the peelable closure are integrated into the first and second flaps respectively, which are already heat-sealed to the package body. This merging allows the closure system to provide both easy peeling action and secure heat-sealed closure without requiring separate complex mechanisms, maintaining simplicity while achieving ease of opening.
3Ease of operation
If the package allows easy opening by separating flaps, then user convenience is improved, but re-closing capability is lost
Solution Approach 1:
The flaps are designed to be separable through the peelable closure mechanism, allowing easy opening and discarding of the sealed state. However, the flaps can be recovered and re-positioned to cover the opening, and the peelable closure can be re-applied to restore the sealed state. This discarding and recovering mechanism enables both easy opening and re-closing capability, making the package versatile for partial consumption and storage.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables simple, rapid opening and re-closing of the package, suitable for various products, and is cost-effective to produce, ensuring user convenience and product protection.
Implementation Method 1
one or both outer surfaces being heat-sealable
Implementation Method 2
the two upper end flaps heat-sealed to each other
Implementation Method 3
thanks to the elastic reaction of the material
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A package (1) made of a flexible material for containing liquid, viscous, pasty, granular or powdered products is described, having a supporting base (2) from which rise two opposite side walls (3) joined to the perimeter of said base (2) and joined to each other along the side edges. Each side wall (3) comprises an upper flap (30) joined thereto by a fold line (31). The package also comprises a top wall (7, 107) joined peripherally to the upper flaps (30) of the sidewalls and a peelable closure (10, 110) in at least one portion of the perimeter of the top wall (7, 107) joined to the upper flaps (30) of the sidewalls. The peelable closure (10, 110) is destined to be opened so as to form an opening (200) for discharging the product. On the top wall (7, 107) there are provided gripping means (73, 173) adapted to be gripped and raised by the user so as to cause the separation of the peelable closure (10, 110) to create said opening (200) for discharging the product.