US 12,065,349 B2
Cleaning and sterilizing method for aseptic filling machine and aseptic filling machine
Atsushi Hayakawa, Tokyo (JP)
Assigned to Dai Nippon Printing Co., Ltd., Tokyo (JP)
Appl. No. 17/997,761
Filed by Dai Nippon Printing Co., Ltd., Tokyo (JP)
PCT Filed May 14, 2021, PCT No. PCT/JP2021/018353
§ 371(c)(1), (2) Date Nov. 2, 2022,
PCT Pub. No. WO2021/230342, PCT Pub. Date Nov. 18, 2021.
Claims priority of application No. 2020-085838 (JP), filed on May 15, 2020; application No. 2020-094766 (JP), filed on May 29, 2020; and application No. 2020-160457 (JP), filed on Sep. 25, 2020.
Prior Publication US 2023/0159316 A1, May 25, 2023
Int. Cl. B67C 3/22 (2006.01); B67C 3/00 (2006.01); B67C 3/26 (2006.01)
CPC B67C 3/2642 (2013.01) [B67C 3/001 (2013.01); B65B 2210/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A cleaning and sterilizing method for an aseptic filling machine, the aseptic filling machine including drink supply piping for feeding a drink to an inside of a filler via a heat sterilization apparatus, wherein
an upstream piping portion of the drink supply piping that extends through the heat sterilization apparatus is provided with an upstream feedback path to form an upstream circulation path,
an aseptic surge tank piping portion that includes an aseptic surge tank that stores the drink sterilized by the heat sterilization apparatus is provided with an aseptic surge tank feedback path to form an aseptic surge tank circulation path,
a downstream piping portion that extends to a filling nozzle via a filler tank that stores the drink supplied from the aseptic surge tank is provided with a downstream feedback path to form a downstream circulation path, and
the upstream piping portion, the aseptic surge tank piping portion and the downstream piping portion are individually subjected to CIP (Cleaning in Place) and SIP (Sterilizing in Place).