Method of and apparatus for washing milking machines

Claim 1

WASHING APPARATUS FOR THE CLAW AND TEAT CUP ASSEMBLAGES OF A MILKING MACHINE, COMPRISING A PAIR OF LIQUID CONTAINING CHAMBERS, CLOSURE MEANS SEALING AND GIVING ACCESS TO THE SAME, A TRANSFER PASSAGE CONNECTING THE TWO CHAMBERS AND HAVING ITS OPPOSITE ENDS CONNECTIBLE TO RESPECTIVE CLAW AND CUP ASSEMBLAGES IN THE CHAMBERS FOR OPENING INTO THE LATTER THROUGH THE MILK PASSAGES OF THE CUPS, AND A PULSATOR CONNECTED TO THE TWO CHAMBERS AND ACTING FIRST TO CONNECT ONE CHAMBER TO A SOURCE OF OPERATING PRESSURE AND THE COMPANION CHAMBER TO THE ATMOSPHERE CONCURRENTLY AND THEN TO REVERSE THE CONNECTIONS TO DISPLACE THE LIQUID ALTERNATELY FROM ONE CHAMBER TO THE OTHER THROUGH THE MILK PASSAGES OF THE CLAW AND CUP ASSEMBLAGES AND THE CONNECTING TRANSFER PASSAGE.

Claim 3

A METHOD OF WASHING MILKING MACHINE TEAT CUPS, CONSISTING IN PLACING THE CUPS ON THEIR SIDES IN A SUBMERGING VOLUME OF LIQUID WITHIN A CHAMBER, THEN DISPLACING THE LIQUID FROM THE CHAMBER THROUGH THE CUPS BY A GAS PRESSURE UNTIL THE LIQUID LEVEL FALLS SUFFICIENTLY TO ADMIT PRESSURE GAS INTO THE CUPS ALONG WITH THE LIQUID FOR AGITATING THE LATTER, AND MAINTAINING THE GAS PRESSURE FOR A PREDETERMINED TIME INTERVAL TO PRODUCE A PROLONGED PERIOD OF TURBULENCE WITHIN THE CUPS.

Claim 4

A METHOD OF WASHING MILKING MACHINE TEAT CUPS, CONSISTING IN PLACING THE CUPS ON THEIR SIDES IN A SUBMERGING VOLUME OF LIQUID WITHIN A CHAMBER, THEN DISPLACING THE LIQUID FROM THE CHAMBER THROUGH THE CUPS BY A GAS PRESSURE UNTIL THE LIQUID LEVEL FALLS SUFFICIENTLY TO ADMIT PRESSURE GAS INTO THE CUPS ALONG WITH THE LIQUID FOR AGITATING THE LATTER, AND MAINTAINING THE GAS PRESSURE FOR A PREDETERMINED TIME INTERVAL TO PRODUCE A PROLONGED PERIOD OF TURBULENCE WITHIN THE CUPS.