Tapping pipes having piercing means for tapping beverage containers

Claim 1

IN A TAPPING DEVICE FOR BEVERAGE CONTAINERS OR THE LIKE, THE COMBINATION COMPRISING INNER AND OUTER CONCENTRIC TAPPING PIPES WITH A ANNULAR OPENING EXTENDING DOWNWARDLY THEREBETWEN, MEANS FORMING A WELDED JOINT BETWEEN THE UPPER END OF SAID OUTER PIPE AND THE OUTSIDE OF SAID INNER PIPE, SAID JOINT PROVIDING A SOLID INTEGRAL SEAL BETWEEN SAID OUTER AND INNER PIPES, SAID PIPES HAVING TERMINAL FITTINGS FOR CONNECTING THE UPPER ENDS OF SAID PIPES TO HOSES OR THE LIKE, SAID INNER PIPE BEING SUBSTANTIALLY LONGER THAN SAID OUTER PIPE AND EXTENDING SUBSTANTIALLY BELOW THE LOWER END OF SAID OUTER PIPE, EACH OF SAID PIPES HAVING A DIAGONAL LOWER END SURFACE WITH A SHARP POINT FOR PENETRATING A RUBBER DIAPHRAGM OR THE LIKE ON A BEVERAGE CONTAINER.