Multilayer Decorative Screw Cap With Spill-Proof Sealing
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Solution Overview
Problem
Current screw caps lack decorative designs that offer unique, versatile, and aesthetic appearances, failing to express personal style and preferences, and are not designed to withstand hot or cold beverages while being spill-proof and reusable.
Innovation Solution
A non-dispensing multilayer multipart decorative screw cap comprising an inner screw unit for sealing and an outer decorative unit with multiple parts, using durable and flexible materials, and assembly methods like welding and mechanical fastening to ensure airtightness and decorative appeal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If screw caps are designed with functional features (spout, nozzle, handle), then sealing and dispensing performance is improved, but appearance monotony increases and decorative value deteriorates
Solution Approach 1:
The screw cap is divided into multiple independent layers: an inner functional layer containing sealing and dispensing features, and an outer decorative layer with diverse aesthetic designs. This segmentation allows each layer to independently fulfill its specific function without compromising the other, resolving the contradiction between functional reliability and decorative versatility.
Solution Approach 2:
The multi-layer structure enables the screw cap to serve multiple functions simultaneously: the inner layer provides universal sealing and dispensing capabilities, while the outer layer offers diverse decorative options. This multi-functionality approach allows a single product to satisfy both functional and aesthetic requirements across different usage scenarios.
2Ease of manufacture
If screw caps use simple monolayer structure, then manufacturing complexity is reduced, but decorative design diversity deteriorates
Solution Approach 1:
By segmenting the screw cap into separable inner and outer layers, the manufacturing process can be simplified through specialized molding for each layer, while the combination of layers creates diverse decorative effects. This segmentation resolves the contradiction by allowing independent optimization of manufacturing for each layer while achieving design diversity through their assembly.
Solution Approach 2:
The inner functional layer is nested within the outer decorative layer, creating a compact multi-layer structure. This nesting arrangement maintains manufacturing efficiency by using standard molding techniques for each layer while enabling diverse decorative designs through the outer layer's various configurations and materials.
3Temperature
If screw caps are designed for hot beverages, then temperature resistance is improved, but material selection constraints increase
Solution Approach 1:
The screw cap is segmented into an inner layer that contacts hot beverages and an outer decorative layer. The inner layer can be made from heat-resistant materials specifically selected for temperature resistance, while the outer layer can use a broader range of materials for aesthetic purposes. This segmentation resolves the contradiction by allowing specialized material selection for heat resistance without constraining the overall design flexibility.
Solution Approach 2:
The multi-layer structure effectively creates a composite material system where each layer is optimized for its specific requirements. The inner layer uses materials with high heat resistance properties, while the outer layer can utilize materials with superior aesthetic characteristics. This composite approach resolves the contradiction between temperature resistance and material selection flexibility by combining different materials' advantages.
Data Source
AI summary
Disclosed in the present invention is a non-dispensing multilayer multipart decorative screw cap, comprising an inner screw unit and a multipart outer decorative unit. The inner screw unit has a threaded joint structure that is configured to secure the non-dispensing multilayer multipart decorative screw cap to a matching threaded joint structure to the mouth of a container. The outer multipart decorative unit may include any suitable structures or features configured to provide a unique, diversified and creative decorative design for the non-dispensing multilayer multipart decorative screw cap. The inner screw unit and the outer multipart decorative unit are permanently bonded together to form the non-dispensing multilayer multipart decorative screw cap, wherein the inner screw unit is disposed at least partially within the outer multipart decorative unit. Through the non-dispensing multilayer multipart decorative screw cap, consumers will have the freedom to choose various appearance designs for their containers whenever they want, so as to enhance the aesthetic effect and to express their personal styles.