Title:
CONTAINER RECYCLING METHOD
Document Type and Number:
WIPO Patent Application WO/2021/038838
Kind Code:
A1
Abstract:
A container recycling method including steps (1)-(4) below. (1) A collection step for collecting a container configured from a sheet material in which a plurality of film layers including a first resin film layer and a second resin film layer are laminated, made into a bag by joining at least part of the peripheral edge parts of the sheet material, a housing region being formed on the inside of the second resin film layer, and having a film joint portion and a filler-enclosing portion between the first resin film layer and the second resin film layer, (2) a shredding and washing step for shredding the container into a shredded product and washing the shredded product, (3) a recycled resin formation step for forming a recycled resin using the shredded product, and (4) a sheet material formation step for forming at least part of the sheet material using the recycled resin.
Inventors:
OTSUKA TAKAHIRO (JP)
KODAMA DAISUKE (JP)
KODAMA DAISUKE (JP)
Application Number:
PCT/JP2019/034170
Publication Date:
March 04, 2021
Filing Date:
August 30, 2019
Export Citation:
Assignee:
KAO CORP (JP)
International Classes:
B29D7/01; B29B17/02; B29C43/02; B29C48/04; B65D75/52
Domestic Patent References:
| WO2018163269A1 | 2018-09-13 |
Foreign References:
| JPH08281644A | 1996-10-29 | |||
| JPH10146828A | 1998-06-02 | |||
| JPH10323833A | 1998-12-08 | |||
| JP2002200664A | 2002-07-16 | |||
| JP2008532762A | 2008-08-21 | |||
| JP6193535B1 | 2017-09-06 |
Other References:
See also references of EP 3838571A4
Attorney, Agent or Firm:
MIGITA, Shunsuke (JP)
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