Why was the bottle cap invented?

The crown cork (also known as a crown cap or just a crown), the first form of bottle cap, was invented by William Painter in 1891 in Baltimore. Bottle-Sealing Device Patent No. 468226. Inducted 2006. William Painter invented the crown bottle cap in 1892. Crown caps, both pry-offs and twist-offs, The crimp top was patented by William Painter, Feb.2,1892. He called it, and it's still officially known as, the disposable Crown Cork bottle cap.