High speed milking system

Claim 1

A VACUUM MILKING SYSTEM COMPRISING IN COMBINATION: A VACUUM PIPE LINE, MEANS FOR MAINTAINING A VACUUM OF 12 TO 20 INCHES OF MERCURY IN SAID LINE, A SET OF FOUR TEAT-CUP LINERS OF RUBBER-LIKE MATERIAL EACH INCLUDING A GENERALLY CYLINDRICAL BARREL HAVING UPPER AND LOWER ENG PORTIONS AND A MOUTHPIECE FLANGE AT THE UPPER END PORTION OF THE BARREL EXTENDING RADIALLY INWARD TO DEFINE A CENTRAL OPENING FOR CLOSELY RECEIVING A TEAT, EACH FLANGE HAVING A LIMITED FLEXIBILITY SUCH THAT A PRESSURE OF 600 GRAMS EXERTED AXIALLY BETWEEN AT THE MARGIN OF SAID OPENING CAUSES SAID MARGIN TO DEFLECT AXIALLY THROUGH A DISTANCE OF AT LEAST 4.5 MILLIMETERS, A TEAT-CUP SHELL SURROUNDING EACH LINER BARREL AND INCLUDING MEANS ENGAGING THE UPPER AND LOWER END PORTIONS OF THE BARREL TO HOLD THE SAME STRETCHED AXIALLY UNDER A TENSION OF 15 TO 25 POUNDS, EACH SHELL FORMING AN ANNULAR CLEARANCE SPACE AROUND THE CORRESPONDING BARREL INTERMEDIATE ITS ENDS, A MILK TUBE EXTENDING FROM THE LOWER END OF EACH LINER BARREL, A MILK CLAW CONNECTED TO THE FOUR MILK TUBES AND HAVING A MILK-RECEIVING CHAMBER WITH A VOLUMETRIC CAPACITY OF AT LEAST 3.35 CUBIC INCHES TO WHICH SAID TUBES