Pepsi man bottle caps
Other times, quite imaginative logos combining words and pictures might appear. Oftentimes, this might consist of little more than a brand name stamped atop the cap. Not only is it still in use today (primarily on beer bottles most soda bottlers have switched to all-plastic twist-off caps), but the caps have also long functioned as miniature advertising pieces. Some collectors seek specimens of various types of bottle sealers, but when speaking about bottle caps, most are invariably referring to the crown cork. To pry off the caps, simple tools resembling the bottle openers of today were used. A thin slice of solid cork served as the liner, helping to seal the bottle against contamination. in 1892 by William Painter, the crown cap, or "crown cork" as it was and is still often called, consisted of a metal cap with a corrugated flange pressed around the lip of a bottle. To keep manufacturing, transportation, and storage costs down, an inexpensive and reliable sealing method had to be found. (It is still used for wines because its special properties allow them to "breath.") There were also internal stoppers that necessitated the filling of bottles upside-down, and screw tops that fitted threads inside, not outside, the bottles.Ĭork, though common, proved to be not always reliable, especially if allowed to dry out and shrink. Individuals and companies have long experimented with little contraptions composed of such things as bailing wire and plugs of marble, glass, or rubber. A bottle cap is a bottle cap is a bottle cap.Īs long as there have been bottles, people have sought ways to safely seal in the bottles' contents.