Head Cap Seamless Cover Layer Design
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Solution Overview
Problem
Existing head caps for medical and cosmetic treatments have unfavourable transitions on their outer surfaces, making them difficult to clean and maintain sterility due to multipart construction with visible seams and residues.
Innovation Solution
A head cap design featuring a support shell and a cover shell with a flexible cover layer that encloses the inner face, eliminating visible seams and providing a seamless, easy-to-clean surface, along with a cushion layer for enhanced comfort and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a multipart construction with visible seams is used, then the head cap can be assembled from separate components, but the cleaning difficulty increases and residue formation occurs
Solution Approach 1:
The patent merges the cover layer and cover shell into a single integrated component. The cover layer is formed as one piece that extends over the outer edge of the support shell and is covered by the cover shell, eliminating visible seams and transitions on the outer surface. This integration maintains manufacturability while achieving a seamless appearance that is easy to clean and maintain sterility.
2Ease of operation
If a seamless design is implemented, then cleaning becomes easier and hygiene is improved, but the structural complexity increases
Solution Approach 1:
The patent segments the head cap into two main functional parts: a support shell providing the structural framework, and a cover shell with integrated cover layer providing the seamless outer surface. This segmentation allows each component to be optimized independently while achieving the overall seamless design goal, managing structural complexity through functional division.
Solution Approach 2:
The patent employs a flexible cover layer as a thin film component that extends over the outer edge of the support shell. This flexible film is then covered by the cover shell, creating a seamless appearance. The use of thin film technology simplifies the structure while achieving the seamless design, avoiding the need for complex multi-part constructions.
3Shape
If the cover layer extends over the outer edge, then a seamless surface is achieved, but the manufacturing precision requirements increase
Solution Approach 1:
The patent implements a nested structure where the cover layer extends over the outer edge of the support shell and is then covered by the cover shell. This nesting arrangement allows the cover layer to be positioned and secured within the cover shell structure, achieving a seamless surface while managing alignment precision requirements through the hierarchical assembly of components.
Data Source
AI summary
The invention relates to a head cap, for placement of a head of a person. The head cap comprises a support shell with an inner face facing the head and an outer face facing away from the head and a cover shell with an inner face facing the head and a outer face facing away from the head, wherein at least the inner face of the support shell is optionally at least along an outer edge of the inner face, preferably over the entire surface, cushioned with a cushion layer and is covered by a flexible cover layer which encloses the inner face and extends up to the outer face of the support shell at least in a peripheral support shell edge region, wherein at least one cover layer edge is covered by the cover shell.