Paper Toy Container with Reinforcement and Hinge
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Solution Overview
Problem
Existing toy containers made of plastic pose a high environmental load due to non-biodegradability, and prior paper-based containers have limited environmental benefits.
Innovation Solution
A toy container made of paper containing a prescribed amount of pulp, featuring hemispherical housing units with reinforcement sections, a linking unit in living hinge form, and locking mechanisms to enhance strength and facilitate easy opening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If plastic is used to make toy containers, then strength and durability are improved, but environmental load increases due to non-biodegradability
Solution Approach 1:
The patent changes the material parameter from plastic to paper containing a prescribed amount of pulp (at least 30% by weight). This material substitution maintains container functionality while improving biodegradability and reducing environmental load, as paper is naturally decomposable unlike plastic.
Solution Approach 2:
The patent uses composite material construction by combining paper with reinforcement sections that may include plastic or other materials. This allows the container to achieve necessary strength through the paper body while using minimal plastic only where structurally required, balancing environmental benefits with mechanical performance.
2Object-generated harmful factors
If paper is used to make toy containers, then environmental friendliness is improved, but strength and structural integrity deteriorate
Solution Approach 1:
The patent applies local quality enhancement by adding reinforcement sections at specific locations within the paper container structure. These reinforcement sections are strategically positioned to provide extra strength where needed while maintaining the overall paper-based environmentally friendly construction.
Solution Approach 2:
The patent employs composite materials by integrating reinforcement sections made of plastic or other strong materials into the paper container structure. This composite approach allows the paper body to provide environmental benefits while the reinforcement sections compensate for paper's inherent weakness, achieving both goals simultaneously.
3Strength
If reinforcement sections are added to paper housing units, then strength is improved, but device complexity increases
Solution Approach 1:
The patent merges the reinforcement sections with the housing units by forming them as integral parts of the paper container structure. The reinforcement sections are combined with the housing units in a unified construction that maintains structural integrity while avoiding separate complex assembly operations.
Solution Approach 2:
The patent segments the container into housing units with integrated reinforcement sections, allowing the reinforcement to be incorporated as discrete but unified elements. This segmentation enables standardized production of reinforcement sections that can be efficiently integrated into the paper housing units without significantly increasing overall manufacturing complexity.
4Reliability
If locking mechanisms are added to link housing units, then reliability of closure is improved, but ease of operation deteriorates
Solution Approach 1:
The patent implements self-service locking mechanisms where the housing units automatically lock together when brought into contact, eliminating the need for separate locking operations. The locking action occurs naturally through the interaction of locking projections and locking holes during the closing process, maintaining reliability while requiring minimal user effort.
Solution Approach 2:
The patent replaces complex mechanical locking systems with simpler paper-based locking mechanisms involving locking projections and locking holes. This substitution maintains reliable closure while reducing mechanical complexity and improving ease of operation through straightforward insertion and locking actions.
Data Source
Figure 1
Figure 2A~2B
Figure 3A~3B
AI summary
A toy container 1 is for accommodating a toy and is made of paper containing a predetermined amount of pulp. Accordingly, the toy container 1 can be an earth-environment friendly product as compared to conventional plastic products that are not naturally decomposable.