HUZHOU, ZHEJIANG PROVINCE, CHINA, January 21, 2026 /EINPresswire.com/ -- In the highly competitive global beverage ...
There's real science behind those 21 tiny ridges on every beer cap. Learn how they keep your favourite drink fresh and secure ...
When engineer William Painter invented the crown cork in 1892, the original design sported 24 ridges. The cap included a cork or paper lining to prevent the beverage from touching metal, and it sealed ...
The familiar 21 ridges on glass bottle caps are the result of over a century of engineering. Initially, William Painter's 24-ridge design damaged bottles, but after extensive testing, 21 ridges were ...
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