METHOD AND SYSTEM FOR RECYCLING SHEET GLASS

WIPO Patent Application WO/2021/192254

A1

[Problem] To make a sheet glass to have proper grain diameters in a dried state, and to make the grain diameters uniform by a simple method. [Solution] A sheet glass crushing step (S0001) of crushing a sheet glass to produce glass cullet, and a glass cullet pulverization step (S0002) of pulverizing the glass cullet produced in the aforementioned step into a sand-like glass powder are provided, and optionally a sand-like glass powder sieving step (S0003) of sieving the sand-like glass powder produced in the glass cullet pulverization step is further provided. Furthermore, optionally, a glass powder pulverization step (S0004) of returning a portion of the sand-like glass powder which has a larger grain size than a predetermined grain size in the sand-like glass powder sieving step (S0003) to the glass cullet pulverization step (S0002) to pulverize the portion again is provided, and a glass powder dust trapping step (S0005) (S0006) of trapping glass powder dusts formed in one or both of the sheet glass crushing step (S0001) and the glass cullet pulverization step (S0002) is also provided.

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INOKO KANEYUKI (JP)
NAKAMURA NORIO (JP)
URABE TOMOKAZU (JP)
KAGEYAMA YOSHINOBU (JP)
KAGAYA SOICHI (JP)

PCT/JP2020/014135

September 30, 2021

March 27, 2020

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ASAHI TSUSHO KK (JP)

B02C4/08; B02C19/00; B09B3/00

JP2013223841A	2013-10-31
JP2011183243A	2011-09-22
JP2016203128A	2016-12-08
JP2004269278A	2004-09-30
JP2015205249A	2015-11-19
JP2004216234A	2004-08-05
JP2002186952A	2002-07-02
JP2004181321A	2004-07-02
US5950936A	1999-09-14

KAWANO Osamu (JP)

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