Insulative Sleeve for Blow Dryer Nozzles
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Blow dryers and their nozzle attachments often lack a secure and heat-resistant mechanism for attachment, posing a burn hazard when handling or interchanging different nozzle types, especially due to the 'universal' round opening that does not fit securely with various barrel types and sizes.
Innovation Solution
A heat-resistant sleeve with an alternating arrangement of elastic and insulative sheets, featuring a compressive mechanism and reclosable fastener, such as a zipper, to securely attach to the blow dryer barrel and nozzle, providing insulation and preventing burns, while allowing for efficient storage in a flat condition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a universal round opening is used for nozzle attachments, then compatibility with different nozzle types is improved, but secure fit and reliability are worsened
Solution Approach 1:
The patent employs a flexible sleeve made of elastic material that can deform to accommodate different nozzle attachment shapes and sizes. The sleeve's elasticity allows it to conform to various cross-sectional geometries (round, oblong, flared) while maintaining a secure fit through friction and compression, resolving the contradiction between universal compatibility and secure attachment.
2Use of energy by moving object
If the blow dryer and nozzle attachments are used without insulation, then heat transfer efficiency is improved, but user safety is worsened due to burn hazards
Solution Approach 1:
The patent divides the protective function into two distinct segments: an inner insulative layer that provides thermal protection to the user, and an outer elastic layer that provides mechanical compliance and securement. This segmentation allows the insulative material to focus on heat blocking while the elastic material handles attachment security, resolving the contradiction between heat transfer and user safety.
Solution Approach 2:
The sleeve acts as an intermediary barrier between the user's hand and the hot blow dryer barrel/nozzle attachment. This intermediate layer blocks direct thermal contact while still allowing the user to maintain grip and control, effectively mediating between the heat source and the user to prevent burns without compromising operational efficiency.
3Reliability
If a securement mechanism is added to the insulative sleeve, then attachment reliability is improved, but device complexity is worsened
Solution Approach 1:
The patent merges the insulative function and the securement function into a single integrated sleeve structure. The elastic material serves dual purposes: providing the insulative barrier and enabling the securement mechanism through its compressible and deformable properties. This merging reduces overall device complexity compared to having separate insulative and securement components.
Solution Approach 2:
The elastic material in the sleeve provides self-service by automatically exerting compressive force to maintain attachment security. The elastic deformation and recovery of the material creates a self-adjusting securement mechanism that maintains constant pressure on the nozzle attachment without requiring additional active components or complex control systems.
4Reliability
If alternating elastic and insulative sheets are used, then insulation performance and securement are improved, but manufacturing complexity is worsened
Solution Approach 1:
The patent uses composite construction with alternating layers of elastic and insulative materials. Each layer contributes specific properties: the insulative layers provide thermal protection while the elastic layers provide mechanical compliance and securement. This composite approach allows each material to be optimized for its specific function while being manufactured as an integrated multi-layer structure, balancing performance requirements with manufacturing feasibility.
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 sleeve effectively insulates users from heat, secures nozzle attachments to the dryer barrel, and facilitates easy storage by aligning insulative sheets, ensuring a secure and safe handling experience.
Implementation Method 1
an alternating arrangement of elastic sheets and insulative sheets, wherein said sheets are joined by way of their longitudinal edges or inward thereof to define a tubular body
Implementation Method 2
The heat-resistant sleeve prevents the user from being burned when handling the blow dryer or its nozzle attachment
Data Source
AI summary
A sleeve attachable to a barrel of a heated conduit to insulate users handling the nozzle, wherein the sleeve can increase the securement of a nozzle attachment to the barrel. The sleeve provides an alternating arrangement of elastic sheets and more plastic insulative sheets that define the generally tubular sleeve body. The elastic sheets urge the coextensive insulative sheets toward an aligned, stacked position when the sleeve is unloaded. In the loaded condition, when the nozzle is slid through the sleeve, the elastic sheets impose a compressive force thereto. A securement mechanism along one or each of the insulative sheets enables a user to increase or decrease the compressive force.