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Patent Searching and Data


Title:
METHOD AND DEVICE FOR STERILIZING PREFORM
Document Type and Number:
WIPO Patent Application WO/2017/221991
Kind Code:
A1
Abstract:
Provided are a method and a device for sterilizing a preform by which an amount of hydrogen peroxide that remains during preform sterilization can be reduced. A sterilizer composed of, at least, 30 mass% or less of hydrogen peroxide and a solvent having a boiling point of 85°C or less is gasified, the gas of the sterilizer is sprayed onto the preform, and the preform sprayed with the sterilizer is heated to a temperature at which the preform can be molded, with or without the spraying of hot air onto the preform. In addition, after light containing ultraviolet rays is irradiated onto the preform, the gas of the sterilizer is sprayed onto the preform, and the preform is heated to a temperature at which the preform can be molded.

Inventors:
HAYAKAWA ATSUSHI (JP)
WADA YUIKO (JP)
Application Number:
PCT/JP2017/022911
Publication Date:
December 28, 2017
Filing Date:
June 21, 2017
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
B29C49/42; B29C49/46; B29C49/64
Domestic Patent References:
WO2013099789A12013-07-04
WO2013099789A12013-07-04
Foreign References:
JP2010507503A2010-03-11
JP2012500135A2012-01-05
JP2015116814A2015-06-25
JP2016055915A2016-04-21
JP2016137629A2016-08-04
JP2001510104A2001-07-31
JP2008183899A2008-08-14
JP2008546605A2008-12-25
JP2013035561A2013-02-21
JP2013035562A2013-02-21
JPH07315345A1995-12-05
JP2016055915A2016-04-21
US20130078327A12013-03-28
Other References:
SIDEL: "SBO Universal - SBO 14/20 - No 11155", CATALOGUE DES FICHES, 8 November 2012 (2012-11-08), XP055794292
SIDEL: "SBO Universal - SBO 14/20 - No 11155", MANUAL UTILISATEUR, 3 March 2009 (2009-03-03), XP055499467
See also references of EP 3476568A4
Attorney, Agent or Firm:
INTECT INTERNATIONAL PATENT OFFICE et al. (JP)
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