# US 2022/0031891 A1 · Method for sterilizing interior of aseptic filler chamber > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0031891 A1 - Document ID: US20220031891A1 - Status: Published application - Kind: A1 - Application number: 17/309,383 - Filed: 2019-12-09 - Published: 2022-02-03 - Earliest claimed: 2018-12-12 - Assignees: Dai Nippon Printing Co., Ltd. - Applicants: Dai Nippon Printing Co., Ltd. - Inventors: Atsushi HAYAKAWA - Web page: https://patentgrep.com/patent/US20220031891A1 ## CPC - A61L 2/208: Hydrogen peroxide - B67C 3/005: {Cleaning outside parts of filling devices} - A61L 2/06: Hot gas - A61L 2/18: Liquid substances - A61L 2/186: Peroxide solutions - B65B 55/10: by liquids or gases - A61L 2103/23: {Containers other than laboratory or medical, e.g. bottles or mail} - A61L 2202/15: Biocide distribution means, e.g. nozzles, pumps, manifolds, fans, baffles, sprayers - B65B 55/06: by heat - B65B 2210/06: Sterilising or cleaning machinery or conduits - B65B 2210/08: Cleaning nozzles, funnels or guides through which articles are introduced into containers or wrappers - B67C 2003/228: {Aseptic features} - A61L: METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K) - B67C: CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS - B65B: MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING (bundling and pressing devices for cigars A24C1/44; devices for tensioning and securing binders adapted to be supported by the article or articles to be bound B25B25/00; applying closure members to bottles, jars or similar containers B67B1/00-B67B6/00; concurrent cleaning, filling and closing of bottles B67C7/00; emptying bottles, jars, cans, casks, barrels or similar containers B67C9/00) ## Abstract In the COP treatment and the SOP treatment of the interior of a chamber of an aseptic filler, any cleaning liquid or aseptic water remaining in the chamber is quickly removed before spray of a sterilizer containing peracetic acid or hydrogen peroxide. A transfer device for transferring a container in the chamber of the aseptic filler is driven to remove the cleaning liquid sued for the COP treatment or the aseptic water used for the SOP treatment. ## Claims ### Claim 1 A method for sterilizing an interior of an aseptic filler chamber before operation of the aseptic filler, the aseptic filler filling a sterilized container with a sterilized content in an aseptic atmosphere and sealing the container filled with the content, wherein after the interior of the chamber of the aseptic filler is cleaned by spraying a cleaning liquid into the chamber, a transfer device for transferring the container is driven to remove any of the cleaning liquid deposited on the transfer device, and a sterilizer is then sprayed into the chamber of the aseptic filler. ### Claim 2 (depends on 1) The method for sterilizing an interior of an aseptic filler chamber according to claim 1, wherein the sterilizer contains hydrogen peroxide. ### Claim 3 (depends on 1) The method for sterilizing an interior of an aseptic filler chamber according to claim 1, wherein the sterilizer contains peracetic acid. ### Claim 4 (depends on 1) The method for sterilizing an interior of an aseptic filler chamber according to claim 1, wherein the cleaning liquid is aseptic water. ### Claim 5 (depends on 1) The method for sterilizing an interior of an aseptic filler chamber according to claim 1, wherein when driving the transfer device, heated aseptic air is blown into the chamber of the aseptic filler. ### Claim 6 (depends on 1) The method for sterilizing an interior of an aseptic filler chamber according to claim 1, wherein transfer devices in a plurality of chambers of the aseptic filler are driven on a chamber basis. ### Claim 7 (depends on 2) The method for sterilizing an interior of an aseptic filler chamber according to claim 2, wherein the cleaning liquid is aseptic water. ### Claim 8 (depends on 3) The method for sterilizing an interior of an aseptic filler chamber according to claim 3, wherein the cleaning liquid is aseptic water. ### Claim 9 (depends on 2) The method for sterilizing an interior of an aseptic filler chamber according to claim 2, wherein when driving the conveyor device, heated aseptic air is blown into the chamber of the aseptic filler. ### Claim 10 (depends on 3) The method for sterilizing an interior of an aseptic filler chamber according to claim 3, wherein when driving the conveyor device, heated aseptic air is blown into the chamber of the aseptic filler. ### Claim 11 (depends on 4) The method for sterilizing an interior of an aseptic filler chamber according to claim 4, wherein when driving the conveyor device, heated aseptic air is blown into the chamber of the aseptic filler. ### Claim 12 (depends on 2) The method for sterilizing an interior of an aseptic filler chamber according to claim 2, wherein conveyor devices in a plurality of chambers of the aseptic filler are driven on a chamber basis. ### Claim 13 (depends on 3) The method for sterilizing an interior of an aseptic filler chamber according to claim 3, wherein conveyor devices in a plurality of chambers of the aseptic filler are driven on a chamber basis. ### Claim 14 (depends on 4) The method for sterilizing an interior of an aseptic filler chamber according to claim 4, wherein conveyor devices in a plurality of chambers of the aseptic filler are driven on a chamber basis. ### Claim 15 (depends on 5) The method for sterilizing an interior of an aseptic filler chamber according to claim 5, wherein conveyor devices in a plurality of chambers of the aseptic filler are driven on a chamber basis.