Food Portion Packaging Blank With Tear-Tab Easy Opening
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Solution Overview
Problem
Existing packaging for fresh dairy products, particularly those with a cellulosic layer, faces challenges in easy opening, especially for young children and soft portions, which complicates ergonomic handling and preserves the integrity of the portion.
Innovation Solution
A packaging blank with specific fold lines and tear lines allows shaping into a prismatic envelope with a triangular base, featuring a sealing tab and tear line design that facilitates easy opening by pulling on a sealing tab, ensuring ergonomic opening and maintaining package integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the sealing backing is made strong to ensure watertight sealing, then sealing integrity is improved, but ease of opening deteriorates
Solution Approach 1:
The sealing backing is segmented into a main sealing area and a detachable tab portion. The tab can be easily pulled to initiate tearing along the tear line, while the main sealing area maintains strong adhesion to ensure watertight sealing during storage and transport.
Solution Approach 2:
A tear line is pre-formed in the blank, extending from the apex of the bottom panel through the side panels and top panels. This pre-defined weak point allows the packaging to be easily opened by pulling the tab, while the rest of the sealing remains intact.
2Reliability
If the packaging structure is made complex to ensure secure sealing, then sealing reliability is improved, but device complexity increases
Solution Approach 1:
The sealing backing and tab are merged into a single integrated structure formed from one continuous piece of material. The fold lines and tear lines are pre-formed during manufacturing, eliminating the need for separate sealing components or complex assembly steps.
Solution Approach 2:
The sealing backing serves multiple functions: it provides watertight sealing when intact, and serves as a pulling tab for easy opening. The tear line structure allows the same component to transition from a sealing element to an opening mechanism.
3Ease of operation
If the packaging is designed for easy opening, then ease of operation is improved, but sealing integrity deteriorates
Solution Approach 1:
The packaging has different structural properties in different areas: the tear line area is designed with reduced strength or pre-formed weaknesses for easy tearing, while the main sealing areas maintain strong adhesion and structural integrity to ensure watertight sealing during storage and transport.
Data Source
AI summary
A blank having fold lines that define: a triangular bottom panel, two quadrilateral side panels two triangular top panels, a back panel and a border that has two outer strips to form a sealing backing and two front strips that are arranged so as to form, as an extension from the backing, a sealing tab, a tear line being arranged so that manually pulling on the tab causes the blank to tear from the apex of the bottom panel to the top panel and then on either side of said top panel.