Compressible Memory Foam Plush Toy with Constrained Expansion
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Solution Overview
Problem
Traditional plush toys are not easily compressible without damaging them, making it difficult to reduce their shipping and storage size without permanently deforming the toy, and they cannot expand back to their original shape effectively.
Innovation Solution
A plush toy system using a compressible viscoelastic or memory-foam inner surrounded by a flexible outer covering, which constrains the foam to maintain a compressed state, allowing it to expand back to its natural size when deployed, and can include additional features like embedded tactile devices or different foam textures for enhanced functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If traditional plush toys are compressed to reduce shipping and storage size, then volume is reduced, but the plush toy becomes permanently deformed and damaged
Solution Approach 1:
The plush toy is divided into two main components: an outer shell and an inner foam core. This segmentation allows the inner foam to be compressed independently while the outer shell maintains the toy's structural integrity and shape, resolving the contradiction between volume reduction and toy integrity.
Solution Approach 2:
The patent uses viscoelastic or memory foam material that changes its physical parameters (compressibility and recovery properties) based on applied force and time. This material can be compressed to a small fraction of its original volume and then automatically returns to its original shape, enabling both compact storage and permanent shape retention.
2Volume of moving object
If traditional plush toys are compressed without proper constraints, then volume is reduced, but the plush toy cannot expand back to its original shape
Solution Approach 1:
The outer shell is pre-formed to match the desired final shape of the plush toy. When the compressed foam is placed inside and allowed to expand, the pre-formed shell guides and constrains the expansion process, ensuring the foam returns to the correct original shape rather than expanding randomly.
Solution Approach 2:
The outer shell is made from a flexible material that can accommodate the foam's expansion and contraction. This flexible shell maintains the toy's shape during expansion while allowing compression, resolving the contradiction between achieving small compressed size and recovering the original shape.
3Productivity
If plush toys are made with compressible materials, then shipping and storage efficiency is improved, but manufacturing complexity increases
Solution Approach 1:
The memory foam material performs the expansion function automatically without requiring external mechanisms, motors, or complex assembly processes. The foam self-expands when released from compression, eliminating the need for additional components and simplifying the manufacturing process while achieving high shipping efficiency.
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
Enables plush toys to be compressed to a smaller size for efficient storage and shipping while maintaining their original shape and functionality, providing a surprise element upon expansion and being cost-effective to manufacture, transport, and store.
Implementation Method 1
A flexible outer covering surrounds the foam inner and is, in preferred embodiments, sized such that the inner foam is compressed and constrained by the flexible outer covering such that the foam does not achieve its natural size
Implementation Method 2
compressible viscoelastic or memory-foam based plush toy
Data Source
AI summary
A plush toy system is provided having a foam inner made with a compressible foam. A flexible outer covering surrounds the foam inner and has an inner surface for contacting the foam inner. The inner foam is compressed and constrained by the flexible outer covering such that it does not achieve a natural uncompressed size. The flexible outer covering is formed into a shape, or the inner foam is formed into the shape and the flexible outer covering is shaped to and aligned with the shape of the foam inner and entirely surrounding the foam inner such that the inner foam is not fully expanded and is constrained or compressed by the flexible outer covering.