Method and Apparatus for Cleaning and Sterilizing Beer Drawing Equipment (Patent No: 533677)
Inventor: Calgary Brewing and Malting Company, Ltd. (assignee)
Comments: founded by Alfred Ernest Cross in 1892; president until his death in 1932; his son James succeeded him as president; see Glenbow Archives, nothing directly related to invention
Description: Issued November 27, 1956
James B. Cross, Okotoks, Alberta, Canada, assignor to Calgary Brewing and Malting Company Limited, Calgary, Alberta, Canada. Application October 20, 1953, Serial No. 655,647.
1. A method of cleaning and sterilizing liquid dispensing equipment comprising a tapping rod for depending into a container holding the liquid, an airline for connection with the inside of said container, and a delivery line connecting tapping rod to a pulley head characterized by directing a cleansing liquid in a continuous flow through said airline, along the exterior surface of said tapping rod, through the interior of said tapping rod and through said delivery line and said delivery head.
2. A method as claimed in claim 1 in which said cleansing liquid is pumped into said airline from a liquid-retaining receptacle.
3. A method as claimed in claim 1 or 2 in which said cleansing liquid is drained away after passing through said delivery head.
4. A method as claimed in claim 1 or 2 in which said cleansing liquid is returned to said liquid-retaining receptacle after passing through said delivery head to form a closed cleansing circuit.