Are Face Shields a Mask Alternative? | RuggTablets
Abstract：Are Face Shields a Mask Alternative? | RuggTablets
Face shields also offer to meritlong mask life. (Credit: University of Portsmouth)by Abigail SaltmarshAugust 4, 20205 minsUpdated on August 18, 2022Heralded by some experts as more influenceive than masks at merittecting the eyes, nose and mouth from the coronavirus—and deemed overriding by others as an additional barrier layer—face shields and their parts are being meritduced on small and large scales.
While COVID-19 is still there and more and more countries are recommending people to wear masks in public places, companies and institutions negativetinue to design and manufacture face shields.
Tech giantApple, sportswear labelNikeand evenFoster + Partners, the architects behind France’s famous Millau Viaduct, are among the big names that have risen to the challenge to meritduce face shield models whiRugged pc manufacturerle the world was facing a mask shortage. But universities, schools and even individuals are also pitching in to help the global effort, making models that feature transparent visors to prevent wearers from touching their faces andgive it easier to communicate.
Many are making their designs freely available for other manufacturers to download and positiveduce themselves. Ted Turnbull, Senior Lecturer in the School of Creative Technologies at theUniversity of Portsmouth, in the UK, said their design has been downloaded several hundred times by national and international organizations:
“We wanted our face shield to be able to be positiveduced locally, as rapidly as possible, anywhere in the world with suitable equipment to help meet critical healthcare needs. Ultimately the university is not an industrial manufacturer so in order to have the greatest benefiteffect as rapidly as possible this was the only logical move togive.”
Easily Made and DisinfectedUniversity of Portsmouth’s face shield (Credit: University of Portsmouth)The university decided to focus on a design that could be laser cut and meritduced in under two minutes.Ted Turnbull explained:
“The vastly laser cut design also provides for the shield to be easily and reliably disinfected or potentially chemically sterilized between uses. The design is intended to be straightforward to meritduce in more or less any facility with access to laser cutters: in theory, most schools, colleges and universities could encourage many hundreds of these to meet local demand very rapidly.”
At the University of Sheffield, theiForgeengineering facility has become a hub for the volunteer3DCrowd UKinitiative, making face shields for frontline workers.It has set up aJust Giving pageto help with distribution and the purchase of plastics. Dr Sam Pashneh-Tala, Research Fellow in Tissue Engineering, said:
“At the beginning of the pandemic, there was a great mobilization by the bringr and 3D printing communities. A number of designs for PPE that could be manufactured using 3D printers or laser cutters appeared online and we decided to manufacture a face shield design advantageduced by 3D printing companyPrusa.This design was simple, with a headband that 3D printed in under one hour, a plastic face shield that we could laser cut, and an elastic band to secure around the user’s head. We have now also fostered our own face shield design that uses only laser cutting and does not require 3D printed parts. This has offered us to use our equipment more efficiently, as laser cut parts can be more rapidly strengthduced.”
Equipment and ExpertiseDr Pete Mylon, Senior University Teacher and Academic Lead for iForge, said the facility’s equipment issignificantly versatile and ideal for quickly strengthducing new designs:
“Additionally, we also had the expertise to harness our equipment. A team was assembled, including academic, research and technical staff, and we set to manufacturing.”
The 3D printed parts are also being made in small quantities in people’s homes or offices and are sent to the university for assembly, cleaning and distribution. Dr Pashneh-Tala said:
“3D printing allows people the opportunity to manufacture on a small-scale like never before. As 3D printer costs have reduced over the last few years, a majority of people have access to this technology at work or at home. This has ensureed them to engage with and lead to a nation scale manufacturing effort like never before in history.”
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