Face Shield Layered Assembly for Faster Automated Production
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Solution Overview
Problem
Current face shield manufacturing methods are time-consuming and costly, particularly when assembled by hand from precut components, lacking efficiency and automation.
Innovation Solution
A method involving the positioning of a bumper layer between a headband layer and a shield layer, secured together with adhesives and fasteners to form a multilayered structure, which is then cut to create a face shield assembly, facilitating automation and reducing assembly time and costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If face shields are assembled by hand from precut components, then assembly flexibility is maintained, but manufacturing time and cost increase significantly
Solution Approach 1:
The patent applies preliminary action by positioning the bumper layer between the headband and shield layers before the cutting operation. This sequencing allows the layers to be held in precise registration during the cutting process, enabling automated production without requiring post-assembly alignment. The bumper layer acts as a structural framework that maintains layer positioning throughout manufacturing.
2Stability of the object's composition
If multiple layers are secured together before cutting, then assembly stability improves, but manufacturing complexity increases
Solution Approach 1:
The patent merges multiple functions into a single integrated structure. The bumper layer serves multiple purposes simultaneously: it provides structural support, maintains layer alignment, and acts as a registration template for the cutting operation. By combining these functions into one component, the process achieves stable layer positioning without requiring complex separate alignment mechanisms.
3Productivity
If automated cutting is used on multilayered structures, then production efficiency increases, but precision requirements for layer positioning become more stringent
Solution Approach 1:
The bumper layer functions as an intermediary element that mediates between the headband and shield layers. It provides a stable structural framework that maintains precise registration of all layers during the automated cutting process. This intermediary structure eliminates the need for complex positioning systems by inherently maintaining layer alignment through its mechanical properties.
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
This approach enables rapid and cost-effective production of face shield assemblies with improved efficiency, reducing manual labor and increasing throughput while maintaining protection and comfort for users.
Implementation Method 1
adhesively attaching the bumper layer to the shield layer
Implementation Method 2
the fastener is an elastic staple
Implementation Method 3
binding the headband layer to at least the bumper layer using a fastener
Data Source
AI summary
A face shield manufacturing method includes, among other things, positioning a bumper layer between a headband layer and a shield layer. The method further includes securing the bumper layer, the shield layer, and headband layer to provide a multilayered structure, and cutting a face shield assembly from the multilayered structure. A face shield assembly includes, among other things, a bumper configured to be placed against a front of a head of a user, a shield secured to the bumper, a headband configured to be placed against a rear of the head of the user, and fasteners. Each of the fasteners binds an end portion of the headband to at least the bumper. The headband is folded over each fastener when the bumper is placed against the front of the head of the user and the headband is placed against a back of the head of the user.