Paper Cup Plastic Fastener Sealing and Heat Dissipation
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Solution Overview
Problem
Conventional paper cups often suffer from liquid leakage and residual stains due to their non-planar mouth design, which complicates quick separation and disposal, and they lack effective heat dissipation for hot drinks.
Innovation Solution
An improved paper cup structure that integrates a plastic fastener with a curled edge extension piece and small holes for heat dissipation, forming an airtight seal and facilitating easy separation and recycling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a conventional paper cup structure is used, then the cup can be made from simple paper material, but the cup mouth forms a non-plane surface with height difference causing liquid leakage and residual stains
Solution Approach 1:
The patent combines paper cup with plastic fastener to create a composite structure. The plastic fastener forms a flat surface at the cup mouth while the paper cup provides insulation and structural strength, resolving the contradiction between simple material structure and reliable liquid prevention.
Solution Approach 2:
The cup is divided into separate components: paper cup body and plastic fastener. The plastic fastener is a separate element that can be independently manufactured with a flat surface, then assembled to the paper cup to eliminate the height difference problem at the cup mouth.
2Reliability
If plastic containers are used, then leak resistance and structural strength are improved, but heat preservation capability deteriorates
Solution Approach 1:
The patent uses composite structure where paper cup body provides thermal insulation for heat preservation, while plastic fastener provides leak resistance and structural strength at the cup mouth. Each material performs its optimal function in the composite system.
3Temperature
If multi-layer or thicker paper cup design is used, then heat preservation effect is improved, but manufacturing complexity and cost increase significantly
Solution Approach 1:
Instead of making the paper cup itself thicker or multi-layered, the patent uses a simple single-layer paper cup combined with plastic fastener. The heat preservation comes from the paper cup body which can be made simple, while the plastic fastener handles the sealing and structural requirements.
4Ease of manufacture
If conventional paper cup structure is used, then manufacturing is simple, but quick separation and disposal becomes difficult
Solution Approach 1:
The cup is segmented into paper cup body and plastic fastener that can be easily separated. The plastic fastener can be removed from the paper cup after use, facilitating quick disposal and recycling of different materials.
Solution Approach 2:
The plastic fastener is extracted as a separate removable component from the paper cup. This allows the paper cup to be disposed of or recycled separately from the plastic element, improving ease of operation for disposal while maintaining manufacturing simplicity.
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 integrated structure prevents liquid leakage and stains by creating a flat surface at the cup mouth, while the heat dissipation holes allow for efficient cooling of hot drinks, enhancing user convenience and environmental sustainability.
Implementation Method 1
There are some small holes in the outer layer, which are convenient for releasing the heat of hot drinks
Implementation Method 2
releasing the heat of hot drinks
Implementation Method 3
the plastic fastener is integrated with the paper cup through the curled edge, and the plastic fastener is a plane on the top surface of the cup mouth, and the lower edge of the plastic fastener extends downwards to the bottom surface of the paper cup to form an airtight space
Data Source
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AI summary
The present invention provides an improved structure of paper cups, including a plastic fastener and a paper cup, the plastic fastener and the mouth of the paper cup are formed with an outwards curled edge respectively, the curled edge of the plastic fastener is a little larger than the curled edge of the paper cup, and covers the curled edge of the outer paper cup, so that the plastic fastener is integrated with the paper cup through the curled edges, and the plastic fastener is a plane on the top surface of the cup mouth, and the lower edge of the plastic fastener extends downwards to the bottom surface of the paper cup to form an airtight space; the curled edge of the plastic fastener is provided with an extension piece, so that the plastic fastener and the paper cup can be separated quickly and recycled; the lower edge of the paper cup is provided with some small holes for dissipating the heat of hot drinks.