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Patent Searching and Data


Title:
GERM-FREE LIQUEFIED GAS PRODUCTION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2017/221575
Kind Code:
A1
Abstract:
A germ-free liquefied gas production apparatus according to the present invention is provided with: a liquefied gas storing tank; a material gas supply device that supplies material gas into the liquefied gas storing tank; a cooling device that cools the inside of the liquefied gas storing tank so as to liquefy the material gas; supply piping that connects the material gas supply device and the liquefied gas storing tank to each other; a sterilization filter that is provided to the supply piping; a sterilization device that performs, by a high temperature saturated water vapor, heat sterilization on a sterilization region positioned at a downstream portion relative to the sterilization filter; and a drying device that removes moisture resulting from the heat sterilization, so as to dry the sterilization region.

Inventors:
YOSHIMOTO TSUYOSHI (JP)
OHINATA YOICHI (JP)
KINOSHITA TAKAO (JP)
FURUYA SHINJI (JP)
SUZUKI NAOTO (JP)
HIRUMA MASAYOSHI (JP)
TAKASAKI SHINJI (JP)
Application Number:
PCT/JP2017/017835
Publication Date:
December 28, 2017
Filing Date:
May 11, 2017
Export Citation:
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Assignee:
ULVAC INC (JP)
ULVAC CRYOGENICS INCORPORATED (JP)
International Classes:
A61L2/07; F17C5/02
Foreign References:
US4620962A1986-11-04
JP2000185710A2000-07-04
JP2007126177A2007-05-24
JPS62102929U1987-06-30
JP2003275745A2003-09-30
JP2000185710A2000-07-04
JP4766226B22011-09-07
JP2013531212A2013-08-01
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
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