Molded Cellulose Containers With Seamless Embedded Labels
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Solution Overview
Problem
Cellulose containers lack aesthetic features, which hinders their adoption in marketing compared to plastics, despite their advantages such as natural fibers, compostability, and cost-effectiveness.
Innovation Solution
A container or lid made of molded cellulose with embedded labels in depressions on its surface, forming a seamless junction and using a dry liquid-activated adhesive or starch for adhesion, ensuring a continuous edgeless surface and integration of the label with the cellulose body.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cellulose containers are used instead of plastics, then sustainability and compostability are improved, but aesthetic features deteriorate
Solution Approach 1:
The label and container body are merged into a single integrated structure through the embedding process. The label is embedded within the cellulose material during molding, creating a unified object where the label and container become one piece, eliminating separate components and improving aesthetic integration.
Solution Approach 2:
The label is positioned and embedded in the mold cavity before the cellulose material is molded. This preliminary placement ensures the label is already in its final position when the container is formed, allowing the cellulose to flow around and encapsulate the label, creating a seamless integrated structure.
2Shape
If labels are added to cellulose containers, then aesthetic appeal and marketability are improved, but manufacturing complexity increases
Solution Approach 1:
The labeling operation is merged with the container molding operation. Instead of applying labels separately after container formation, the labels are embedded during the molding process itself, combining two manufacturing steps into one and reducing overall manufacturing complexity.
Solution Approach 2:
Labels are pre-positioned in the mold cavity before cellulose injection. This preliminary action allows the labeling to occur simultaneously with container formation, eliminating subsequent labeling steps and reducing manufacturing complexity despite adding aesthetic features.
3Shape
If labels are embedded in cellulose containers, then seamless integration and aesthetic features are improved, but manufacturing precision requirements increase
Solution Approach 1:
The mold cavity is designed with a specific depression or recess area where the label will be embedded. This localized feature ensures the label is positioned precisely where needed, and the cellulose material flows around this specific area to create the embedding effect, achieving seamless integration through localized mold design.
Solution Approach 2:
By pre-positioning the label in the mold cavity with precise定位 features, the embedding precision is achieved during the molding setup phase. The cellulose material then naturally flows around the pre-positioned label, reducing the need for high-precision control during the actual molding process.
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
Enhances the aesthetic appeal of cellulose containers, making them more marketable while maintaining sustainability and cost-effectiveness, with the labels being seamlessly integrated and easily recyclable or compostable.
Implementation Method 1
the at least one label has a dry liquid-activated adhesive on a face thereof applied against the body of molded cellulose
Implementation Method 2
a starch content of the molded cellulose secures the at least one label to the body
Implementation Method 3
pressuring, heating and extracting water from the cellulose in the mold, whereby the cellulose is thermoformed
Data Source
AI summary
A container or lid may have a body of molded cellulose, the body of molded cellulose defining one or more walls. The wall has an outer surface and an inner surface. A depression is in the outer surface of the wall or walls. One or more labels, is or are embedded in the depression in the outer surface of the wall. A method for labelling a container or lid having a cellulose body may also be provided.