Cellulose Molded Fiber Packaging with Vertical Wall Sections
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Solution Overview
Problem
Existing packaging solutions for sensitive items like cakes are not space-efficient, generate significant plastic waste, and lack the ability to absorb high compression pressures, making them unsuitable for industrial transport and recycling.
Innovation Solution
The use of cast fiber material molded parts with vertically arranged wall sections that absorb compression pressure, allowing for efficient stacking and recycling, and made from environmentally friendly cellulose-containing fibers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If molded polystyrene pieces are used for packaging, then the packaging provides good structural support and protection, but the volume is large and cannot be transported in a space-saving manner
Solution Approach 1:
The molded parts are designed to be nestable within each other when empty, allowing compact storage and transport. The geometry of the molded parts enables them to fit together like nested dolls, significantly reducing the volume required for transporting empty packaging containers while maintaining structural integrity when in use.
2Volume of moving object
If thermoplastic blisters are used for packaging, then the packaging can be delivered nested and stacked, but the compression strength is lower which is disadvantageous for palletizing
Solution Approach 1:
The packaging uses molded fiber material composed of cellulose-containing fibers, creating a composite structure that combines the nestability of molded parts with the compression strength of fiber-based materials. This composite approach allows the packaging to withstand high compression forces during palletizing while maintaining space-efficient storage capabilities.
3Reliability
If molded polystyrene pieces or blister packs are used, then the packaging provides protection during transport, but large amounts of plastic waste are generated contributing to environmental pollution
Solution Approach 1:
The invention changes the material parameter from synthetic plastic (polystyrene) to natural fiber-based material (cellulose-containing fibers). This parameter change maintains the protective function during transport while fundamentally altering the environmental characteristics, making the packaging biodegradable and recyclable, thus eliminating the harmful environmental pollution associated with plastic waste.
4Object-generated harmful factors
If known cellulose-containing molded fiber packaging is used, then the packaging is environmentally friendly, but the compression strength is limited and a larger number of supporting elements are necessary
Solution Approach 1:
The invention introduces vertical wall sections that extend in the vertical dimension, creating a three-dimensional structural framework within the molded fiber packaging. This vertical dimensionality provides additional load-bearing pathways for compression forces, significantly enhancing compression strength while maintaining environmental friendliness through cellulose-based materials.
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 solution provides stable, space-efficient packaging capable of withstanding high compression pressures, enabling the transport of larger items like cakes and reducing environmental impact through recyclable materials.
Implementation Method 1
A vacuum is applied to a mold made of a sieve-like material, causing water to be drawn out through the mold while fibers are deposited on the mold, forming the molded part.
Data Source
Figure 1~3
Figure 4a~4
Figure 9~13
AI summary
The invention relates to a packaging for objects, in particular cakes, comprising a base surface (1) and at least one molded part (2) made of cellulose-containing cast fiber material arranged on the base surface (1), characterized in that the molded part (2) has a vertical wall (3) which is divided into wall sections (5) by forming (4), wherein the lower edges (19) of the wall sections (5) define the lower end face (6) of the vertical wall (3) and the upper edges (20) of the wall sections (5) define the upper end face (7) of the vertical wall (3) and that at least one wall section (5) is arranged perpendicular to the base surface (1).