Rotating Cosmetic Applicator Tip for Even Product Distribution
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Solution Overview
Problem
Existing cosmetic applicators fail to provide even and precise application of liquid, viscous, or pasty products, often resulting in imprecise dosing and potential skin irritation due to rough rubbing or clogging issues.
Innovation Solution
A cosmetic applicator with a gripping element and a rotating application tip, featuring a cylindrical rigid core and a hollow stick that allows for free rotation, enabling even product distribution and massage without deformation or fouling, using materials like metal or ceramic for the tip and hollow stick to provide a cool sensation and precise product delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a pressed tube applicator is used, then a cool sensation is provided during application, but the product delivery is imprecise and requires rubbing that may irritate the skin
Solution Approach 1:
The applicator is divided into distinct functional components: a metallic stick for precise product delivery, a rotatable application tip for controlled application, and a gripping element for user control. This segmentation allows each component to perform its specific function optimally without interfering with others.
Solution Approach 2:
The application tip is designed to rotate freely on the metallic stick, allowing dynamic adjustment of the application angle and direction. This rotational freedom enables precise product delivery without requiring rough rubbing motions, while the metallic stick maintains its cool temperature sensation.
2Ease of operation
If a stick with applicator tip is used, then product can be applied by repeated contacts, but product lodges between the stick and tip forming a mass that is not applied
Solution Approach 1:
The rotatable application tip allows the user to dynamically adjust the application angle and distribute product evenly across the skin surface. The rotation mechanism prevents product from lodging between the stick and tip by allowing the tip to self-adjust during application movements.
Solution Approach 2:
The application tip is extracted as a separate, rotatable component from the stick, allowing it to move independently and prevent product accumulation at the interface between the stick and tip.
3Ease of operation
If a roll-on applicator is used, then product can be applied by rolling, but the tube must be pressed to load the ball which is imprecise and risks fouling
Solution Approach 1:
The application tip is extracted as a separate, rotatable component that does not require pressing against a tube for loading. The tip can be loaded with product independently, eliminating the fouling risk associated with the tube-ball interface in traditional roll-on applicators.
Solution Approach 2:
The free rotation of the application tip provides smooth rolling application motion without the need to press a tube, while the separate loading mechanism prevents product from clogging the passage between the tube and ball.
4Adaptability or versatility
If the applicator allows massage during application, then skin care is improved, but the applicator may deform or the rotational connection may be damaged
Solution Approach 1:
The applicator is segmented into a rigid metallic stick and a separate application tip connected by a rotational joint. This segmentation allows the tip to rotate freely for massage movements while the rigid stick maintains structural integrity and resists deformation.
Solution Approach 2:
The rotational connection allows the application tip to change its orientation parameter freely during massage, while the metallic stick maintains its structural parameters through its rigid material properties and reinforced design.
Data Source
AI summary
A cosmetic-product applicator including a gripping element adapted to be gripped by a user, an application tip having a shape the external envelope of which is of revolution, a cylindrical rigid core extending in a longitudinal direction, said core being rigidly secured to the gripping element or formed in a single piece with the gripping element, and a hollow stick mounted so as to be able to rotate freely but translationally fixed on the core, the hollow stick extending longitudinally from the gripping element to the application tip. The application tip is rigidly connected to the hollow stick or formed in a single piece with the hollow stick, and the core extends in the hollow stick over the whole length of the hollow stick measured in the longitudinal direction, with the optional exception of a connection zone between the hollow stick and the application tip.