Why Don’t More Beer Bottles Have Twist-Off Caps?

Most mass-market beers—like those made byAnheuser-Busch, Coors, and Miller—have twist-off bottle caps you can open withyour hands, but craft brews tend to have pry-offs that require a bottle opener.Pry-off capping equipment is slightly less expensive than twist-off equipment,which is a factor for some small breweries. But many craft brewers choosepry-off caps not for the savings but because they believe those caps provide abetter seal against oxygen. “Oxygen is oneof beer’s greatest enemies; it causes beer to become stale,” says GarrettOliver, brewmaster at Brooklyn Brewery, which uses pry-offs.

So most breweries look forward a bettersolution for the bottle cap which can be easy opened by hand while can providea better seal against oxygen. Fortunately, during the searhing on the worldmarket, we found such a bottle cap in China named RingTab Bottle Cap. TheRingTab Bottle Cap has the same size and appearance like normal pry-offs crownbottle cap but only add a ring and scotch on the top of the bottle cap. When weneed open the cap, we only need pull the ring and broke the scotch.(check thevideo here: https://youtu.be/uoOILYFwCEg)

“ We do research and development for morethan 20 years for the RingTab Cap. One RingTab bottle cap need 30 processes to produce.”Says Liu Chaolu, Patent Inventor & Chief Engineer of the RingTab BottleCap.


Though there is aring and scotch on the top of the RingTab Bottle Cap, it can use the samecapping machine as normal pry-offs crown cap and also pass air pressure test: Max.10bars(normal bottle cap is 8 bar). What’s more, the liner of the RingTabbottle cap origins from France, Grace. Conform to LFGB regulation, Oxygen absorbing. It can stay the beer’staste.

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