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Patent Searching and Data


Title:
METHOD AND DEVICE FOR PRODUCING SHEET GLASS
Document Type and Number:
WIPO Patent Application WO/2019/187878
Kind Code:
A1
Abstract:
This sheet glass production method comprises an end-face grinding step for grinding an end face (Ga) of the sheet glass (G) and an end-face polishing step for polishing the end face (Ga) of the sheet glass (G) that has been ground, wherein the end-face polishing step includes a first polishing step for performing polishing while pressing a first polishing grindstone (3) against the end-face (Ga) of the sheet glass (G) with a first pressing force (F1), and a second polishing step for performing polishing while pressing, with a second pressing force (F2), a second polishing grindstone (4) against the end-face (Ga) of the sheet glass (G) having undergone the polishing using the first polishing grindstone (3), and wherein the second pressing force (F2) is made to be greater than the first pressing force (F1).

Inventors:
HOSHINO YOSHINOBU (JP)
OKU HAYATO (JP)
TAWADA YU (JP)
TAKEUCHI HISAHIRO (JP)
Application Number:
PCT/JP2019/007085
Publication Date:
October 03, 2019
Filing Date:
February 25, 2019
Export Citation:
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Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
B24B7/24; B24B9/10; B24D3/00
Domestic Patent References:
WO2016098824A12016-06-23
WO2014038320A12014-03-13
Foreign References:
JP2017030089A2017-02-09
JP2014518169A2014-07-28
JP2018122369A2018-08-09
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
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