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You are here: Home / Beers / Patent No. 8671802B2: Bottle Cap Opener

Patent No. 8671802B2: Bottle Cap Opener

March 18, 2016 By Jay Brooks

patent-logo
Today in 2014, US Patent 8671802 B2 was issued, an invention of Chikamitsu Takagi, for his “Bottle Cap Opener.” Here’s the Abstract:

A movable outer cylindrical member and a movable inner cylindrical member are arranged vertically movably in a lower half of a cylindrical main body. By placing the movable inner cylindrical member on a bottle mouth and pushing down the cylindrical main body, a lower end of a hooking member is engaged with a lower end of the crown cap to pry the crown cap away. At the same time, the movable outer cylindrical member is moved up and a piston inside a cylinder arranged in an upper half of the cylindrical main body is moved up with the movable outer cylindrical member, so that the air in the cylinder is compressed, and a cover member is brought out in by the compressed air.

US08671802-20140318-D00001
US08671802-20140318-D00003
US08671802-20140318-D00005
US08671802-20140318-D00006

Filed Under: Beers, Just For Fun, Politics & Law, Related Pleasures Tagged With: Bottles, Crowns, History, Law, Patent



Comments

  1. Miles Jordan says

    March 18, 2016 at 2:09 pm

    Boy….that looks really handy, eh?

  2. JD Doyle says

    March 19, 2016 at 6:55 pm

    How can someone build something so complicated to do something so simple!?

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