Title:
METHOD FOR MANUFACTURING FOAM MOLDED BODY
Document Type and Number:
WIPO Patent Application WO/2019/188764
Kind Code:
A1
Abstract:
Provided is a method for manufacturing a foam molded body with which it is possible to achieve a nearly perfectly circular air bubble shape. The present invention provides a method for manufacturing a foam molded body, the method comprising: a step in which a foamed parison is formed using a melted and kneaded resin obtained by melting and kneading a material resin and foaming gas in a cylinder of an extruder, and a foam molded body is obtained by molding the foamed parison, wherein the foaming gas contains 0.1 to 1.0% of argon.
Inventors:
ONO YOSHINORI (JP)
Application Number:
PCT/JP2019/012042
Publication Date:
October 03, 2019
Filing Date:
March 22, 2019
Export Citation:
Assignee:
KYORAKU CO LTD (JP)
International Classes:
B29C44/00; B29C44/50; B29C44/56; B29C49/04; C08J9/12; B29K101/12
Domestic Patent References:
| WO2013114996A1 | 2013-08-08 | |||
| WO2017007032A1 | 2017-01-12 |
Foreign References:
| JP2005343776A | 2005-12-15 |
Other References:
See also references of EP 3778175A4
Attorney, Agent or Firm:
SK INTELLECTUAL PROPERTY LAW FIRM et al. (JP)
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