Apparatus for opening closed containers

Claim 1

APPARATUS FOR OPENING COLSED CONTAINERS WHICH INCORPORATES: A LOADING PLATFORM FOR THE CONTAINERS, A FIRST LENGTH OF GUIDEWAY FOR THE CONTAINERS EXTENDING BETWEEN THE LOADING PLATFORM AND A CONTAINER OPENING POSITION, MEANS INCLUDING A FLUID OPERATED PISTON ADAPTED TO PASS THE CONTAINERS ALONG SAID FIRST LENGTH OF GUIDEWAY TO THE OPENING POSITION, AT THE OPENING POSITION AN ELONGATE RUPTURIVE MEMBER GUIDED FOR VERTICAL MOVEMENT ALONG ITS LENGTH AND PROVIDED AT ITS LOWER END WITH A DOUBLE TAPERED FOUR SIDED SPIKE HAVING A CROSS-SECTION ENLARGED RELATIVE TO THE REMAINDER OF THE RUPTURIVE MEMBER, MEANS INCLUDING A FLUID OPERATED PISTON ADAPTED INITIALLY TO URGE SAID SPIKE DOWNWARDS THROUGH ONE OF THE CONTAINERS WHEREBY TO PIERCE A HOLE THROUGH EACH OF THE TOP AND BOTTOM WALLS OF THE CONTINER AN ALSO ADAPTED SUBSEQUENTLY TO WITHDRAW SAID SPIKE FROM THE CONTAINER, A VESSEL SO DISPOSED BELOW SAID OPENING POSITION AS TO COLLECT FLUID POURING DOWN FROM AN OPENED CONTAINER, A FURTHER LENGTH OF GUIDEWAY FOR THE CONTAINERS DISPOSED ABOVE SAID VESSEL AND EXTENDING AWAY FROM THE OPENING POSITION WHEREBY OPENED CONTAINERS MAY CONTINUE TO DRAIN INTO THE VESSEL WHILE A FURTHER CONTAINER IS AT THE OPENING POSITION, MEANS INCLUDING A PAIR OF FLUID OPERATED PISTONS ADAPTED TO CLAMP THE CONTAINER AGAINST LATERAL MOVEMENT WHILE SAID HOLES ARE PIERCED, AND COLNTROL MEANS ADAPTED TO CONTROL THE OPERATION OF SAID PISTONS.