Cosmetic Applicator Head With Elastic Sealing and Rolling Dispensing
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Solution Overview
Problem
Existing applicator devices suffer from inadequate sealing, leading to fluid leakage during storage and transport, and lack integration of phototherapy and multifunctionality for enhanced skincare benefits.
Innovation Solution
An applicator head with a deformable elastic sealing member that opens under pressure and reseals automatically, combined with rolling elements for even product distribution, and optional light-emitting elements for phototherapy, ensuring reliable sealing and enhanced skincare benefits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a simple cap or plug is used to seal the applicator outlet, then the device structure remains simple, but sealing performance deteriorates and leakage occurs during storage and transport
Solution Approach 1:
The sealing member is designed with a movable portion that can dynamically change position between closed (sealing) and open (dispensing) states. This dynamic structure responds to internal pressure changes, automatically opening when pressure builds during dispensing and returning to seal when pressure equalizes, eliminating the need for complex manual cap mechanisms while ensuring reliable sealing during storage and transport
Solution Approach 2:
The sealing member utilizes elastic deformation parameter changes to achieve sealing and opening functions. The movable portion deforms elastically under internal pressure to open the outlet, then returns to its original shape to seal the outlet when pressure is released. This parameter-based mechanism provides reliable sealing without adding device complexity
2Reliability
If pressure-resistant sealing is improved to prevent leakage during transport, then sealing reliability is improved, but device complexity increases due to additional sealing mechanisms
Solution Approach 1:
The sealing member operates autonomously without external control mechanisms. The movable portion automatically responds to internal pressure changes, opening when pressure builds during dispensing and sealing when pressure equalizes. This self-service mechanism achieves pressure-resistant sealing while maintaining simple device structure, as the sealing action is driven by the pressure differential itself rather than external actuators
Solution Approach 2:
The invention replaces complex mechanical sealing systems (such as threaded caps, latch mechanisms, or multi-component sealing assemblies) with an elastic membrane-based sealing member that uses material elasticity and pressure differentials to achieve sealing. This substitution dramatically simplifies the sealing mechanism while improving reliability during transport and storage
3Adaptability or versatility
If multifunctional features (phototherapy, vibration) are integrated into the applicator head, then product effectiveness is enhanced, but device complexity increases
Solution Approach 1:
The applicator head is designed as a universal platform that can accommodate multiple functional components (light-emitting elements for phototherapy, vibration motors for massage, temperature control elements). These components are integrated into the existing structure, allowing a single device to perform multiple skincare functions (product application, light therapy, massage, temperature treatment) without requiring separate devices, thereby enhancing product effectiveness while managing device complexity through unified design
4Reliability
If a deformable elastic sealing member is used instead of a simple cap, then sealing performance is improved, but manufacturing complexity increases
Solution Approach 1:
The sealing member utilizes a flexible elastic membrane structure that can be manufactured as a thin, deformable component. This flexible membrane approach simplifies manufacturing compared to rigid mechanical sealing systems, as elastic membranes can be produced using standard rubber or polymer extrusion and molding techniques. The movable portion is formed as an integrated elastic component that requires minimal assembly, reducing manufacturing complexity while achieving superior sealing performance
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 solution provides controlled, hygienic dispensing with integrated rolling massage and phototherapy, preventing leakage and enhancing user experience through ergonomic design and multifunctionality.
Implementation Method 1
the movable portion being elastically deformable relative to the fixed portion and configured to selectively open or close the outlet
Implementation Method 2
an embedded light-emitting element for phototherapy, configured to emit light directly onto the user's skin during use
Data Source
AI summary
Embodiments of the present invention provide a multifunctional cosmetic applicator head and application device designed for controlled and hygienic application of skincare products. The applicator head comprises a main body with a liquid supply channel extending between a first end, which is detachably connected to a container, and a second end configured with a sealing member and one or more rolling elements. The sealing member includes a fixed portion and an elastically deformable movable portion that opens under internal pressure and automatically reseals when pressure is released. The second end features recessed rolling grooves that partially house rolling elements, enabling uniform product application and massage. A detachable cover presses the rolling elements inward to maintain sealing during non-use. The device may further include a stimulation element to provide one or more therapies to a user.