Title:
RECYCLING METHOD
Document Type and Number:
WIPO Patent Application WO/2022/239453
Kind Code:
A1
Abstract:
The present invention provides a recycling method for recycling metal from an article having fastening products (40, 50, 80) that include metal components. The recycling method includes a crushing step (14, 34) for crushing at least some of the metal components, and a sorting step for sorting crushed pieces containing a specific metal from crushed material obtained in the crushing step (14, 34). Thus, an objective metal can be recycled from the article having the fastening products (40, 50, 80) with a reduced concentration of impurities such as iron and aluminum.
Inventors:
KOIZUMI TAKUYA (JP)
HASEGAWA ITARU (JP)
MORITA KEISUKE (JP)
HASEGAWA ITARU (JP)
MORITA KEISUKE (JP)
Application Number:
PCT/JP2022/011390
Publication Date:
November 17, 2022
Filing Date:
March 14, 2022
Export Citation:
Assignee:
YKK CORP (JP)
International Classes:
B09B3/30; B09B3/40; B09B5/00; C22B1/00
Foreign References:
| JP2018140329A | 2018-09-13 | |||
| JP2019089037A | 2019-06-13 | |||
| JP2019122942A | 2019-07-25 | |||
| JP2019093358A | 2019-06-20 |
Attorney, Agent or Firm:
HAYASHI, Tsukasa et al. (JP)
Download PDF: