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Patent Searching and Data


Title:
GLASS UNIT
Document Type and Number:
WIPO Patent Application WO/2020/209371
Kind Code:
A1
Abstract:
A glass unit according to the present invention comprises a first glass sheet, a second glass sheet which is disposed facing the first glass sheet at a predetermined interval and which forms an internal space between the first glass sheet and the second glass sheet, a sealing material for sealing a gap at the circumferential edge of the first glass sheet and the second glass sheet, and a plurality of spacers disposed between the first glass sheet and the second glass sheet, and the glass unit is configured so that the internal space is depressurized so as to attain a vacuum state or a predetermined gas is injected into the internal space, the thickness of the first and second glass sheets is 5 mm or less, the pitch of the spacers is 15 mm or greater, and the difference in height between the highest spacer and the lowest spacer is 0.01 mm or less.

Inventors:
NAKAZAWA TATSUHIRO (JP)
KATO HIDEMI (JP)
Application Number:
PCT/JP2020/016160
Publication Date:
October 15, 2020
Filing Date:
April 10, 2020
Export Citation:
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Assignee:
NIPPON SHEET GLASS CO LTD (JP)
International Classes:
C03C27/06; E06B3/66
Domestic Patent References:
WO2013008724A12013-01-17
WO2008004709A12008-01-10
WO2018062140A12018-04-05
WO2013132868A12013-09-12
Foreign References:
JP2016531081A2016-10-06
JP2015129084A2015-07-16
JP2004168627A2004-06-17
JP2015525190A2015-09-03
JP2003321255A2003-11-11
Other References:
See also references of EP 3954665A4
Attorney, Agent or Firm:
TACHIBANA, Kenji et al. (JP)
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