https://www.123articleonline.com/rss/author/254138/wilson-cockArticles written by Wilson Cock from 123ArticleOnline.comen-usCopyright (c) 123ArticleOnline.com All rights reserved. https://www.123articleonline.com/articles/1125309/o-ring-will-let-your-business-run An O-ring is in the shape of a torus. That is why it has a secondary name known as a packing or a toric joint. It is a mechanical gasket torus-shaped. It's a loop of elastomers having cross-section.