Expandable Packaging Sheet with Label-Ready Solid Zones
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Solution Overview
Problem
There is a reluctance in the marketplace to use recyclable card and paper-based packaging materials due to the difficulty in applying identification labels and information on these materials, which is a factor contributing to the continued use of plastic-based packaging despite their environmental drawbacks.
Innovation Solution
A packaging material with a predefined pattern of apertures and second portions without apertures, allowing for the application and retention of labels and information, even when expanded, by providing a uniform surface for adhesion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If recyclable card and paper-based packaging material with apertures is used to provide cushioning effect, then environmental sustainability is improved, but the ability to apply and retain labels is worsened
Solution Approach 1:
The packaging material is segmented into two distinct portions: a first portion with apertures for cushioning and a second portion without apertures for label application. This segmentation allows each portion to fulfill its specific function optimally - the apertured portion provides protection while the non-apertured portion provides a stable surface for labels.
Solution Approach 2:
Different regions of the packaging material are given different properties - the first portion has apertures for cushioning while the second portion is solid for label retention. This local differentiation of material properties allows the packaging to simultaneously achieve both cushioning effectiveness and label application capability.
2Strength
If the packaging material is expanded to provide greater cushioning effect, then protection capability is improved, but the surface uniformity for label application is worsened
Solution Approach 1:
The packaging material is divided into expanded first portion and non-expanded second portion. When the material is expanded, only the first portion with apertures expands to provide cushioning, while the second portion remains solid and maintains its uniform surface shape, preventing distortion from label application.
Solution Approach 2:
The expansion property is applied locally only to the first portion of the packaging material, while the second portion maintains its original solid state. This localized expansion allows the packaging to achieve volume increase for cushioning while preserving surface uniformity in the label area.
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
Ensures effective protection and cushioning while allowing identification labels and information to be applied and retained, enhancing the attractiveness of recyclable materials and reducing the need for additional packaging.
Implementation Method 1
when a movement force is applied in at least one direction to the said sheet material, an opening effect is applied to at least some of said apertures and moves the sheet material from a first condition to a second expanded condition
Data Source
AI summary
The invention relates to the packaging of one or more articles in a packaging sheet material which is moveable from a first condition to a second, expanded, condition to improve the packaging effect of the sheet material. In accordance with the invention the sheet material includes a first portion with apertures which can be moved to an open position to create the second, expanded, condition and at least one, but typically a plurality of spaced apart, second portions which have no apertures, or a different shape and/or pattern of apertures than the apertures of the first portion, so as to form a surface of the said second portion more suitable for the application of a label and/or indications thereon when the sheet material is in the second expanded condition.