Reclosable Pouch Indentation Layout for Tactile Sealing Guidance
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing reclosable thermoplastic pouches with interlocking closure mechanisms face challenges in ensuring proper sealing and user guidance, often requiring additional material for tactile guides that can compromise sealing integrity.
Innovation Solution
A reclosable pouch with an elongate closure mechanism featuring partial indentations on the sidewalls that serve as a tactile guide path, allowing for proper sealing without additional material, using a double roller mechanism to create these indentations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If additional material is added to provide tactile guide paths on reclosable pouches, then user guidance for proper sealing is improved, but manufacturing cost and pouch complexity increase
Solution Approach 1:
The patent applies local quality by creating indentations only in specific areas where tactile guidance is needed, rather than modifying the entire pouch surface. The double roller mechanism presses indentations into the pouch material at selected locations along the closure mechanism, providing localized tactile feedback that guides users without adding overall pouch complexity or requiring additional materials.
2Ease of operation
If additional material is added to provide tactile guide paths, then user guidance is improved, but manufacturing cost increases
Solution Approach 1:
The patent employs self-service by using the existing pouch material itself to create the tactile guide paths through indentations, rather than requiring separate tactile guide components or additional materials. The double roller mechanism directly modifies the pouch material during or after manufacturing, allowing the pouch to provide its own tactile guidance functionality without external additions, thereby avoiding increased manufacturing costs.
3Reliability
If multiple pairs of interlocking closure profiles are used, then sealing reliability is improved, but user ability to verify proper sealing deteriorates
Solution Approach 1:
The patent introduces an intermediary element in the form of tactile guide paths (indentations) that mediate between the multiple interlocking closure profiles and the user's fingers. These indentations provide a simplified tactile interface that guides users through the sealing process and allows verification of proper sealing across multiple closure profiles without requiring users to visually inspect or understand the complex multi-profile mechanism.
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
The partial indentations provide a tactile guide for users to ensure proper sealing of the closure mechanism, maintaining sealing integrity while enhancing user experience.
Implementation Method 1
applying a plurality of partial indentations to one of the first surface and the second surface of the first sidewall using the double roller mechanism
Data Source
AI summary
A method of applying a plurality of partial indentations to at least one sidewall of a reclosable pouch includes providing a double roller mechanism having a first roller wheel and a second roller wheel including complementary opposing male and female embossing surfaces, and applying a plurality of partial indentations to a first surface or a second surface of the first sidewall. The partial indentations partially extend into the one of a first surface and a second surface of the first sidewall, include a single row of partial indentations that extends longitudinally between opposite ends of a first interlocking member in at least one of an area that is above the first interlocking member extending from the first surface of the first sidewall and below the top edge of the first sidewall, and an area that is below the first interlocking member extending from the first surface of the first sidewall.