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公开(公告)号：US20190077703A1
公开(公告)日：2019-03-14
申请号：US16084782
申请日：2017-03-27
发明人： Takeshi SHIMIZU , Tasuku ISHIBASHI , Eiichi URIU , Kazuya HASEGAWA , Masataka NONAKA , Hiroyuki ABE , Haruhiko ISHIKAWA
摘要： A glass panel unit manufacturing method includes a bonding step, a pressure reducing step, and a sealing step. The bonding step includes bonding together a first substrate and a second substrate with a first sealant to create an inner space. The pressure reducing step includes producing a reduced pressure in the inner space through an exhaust port that the first substrate has. The sealing step includes melting and expanding a second sealant, inserted into the exhaust port, by heating the second sealant and thereby sealing the exhaust port up with the second sealant expanded to the point of coming into contact with a dam arranged in the inner space.
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公开(公告)号：US20220170313A1
公开(公告)日：2022-06-02
申请号：US17599150
申请日：2020-03-05
发明人： Tasuku ISHIBASHI , Eiichi URIU , Hiroyuki ABE , Kazuya HASEGAWA , Kenji HASEGAWA , Masataka NONAKA , Takeshi SHIMIZU , Haruhiko ISHIKAWA
摘要： Provided are a glass panel unit and a method for manufacturing the glass panel unit, both of which are designed to overcome the problem of poor handleability of known glass panel units with no through holes. A glass panel unit includes a first panel, a second panel, a seal, and a boundary wall. The seal has a frame shape and hermetically bonds respective peripheral edge portions of the first panel and the second panel. The boundary wall partitions an internal space into a first space as a hermetically sealed evacuated space and a second space spatially separated from the first space. The first panel has a first through hole provided through a portion, corresponding to the second space, of the first panel. The second panel has a second through hole provided through a portion, corresponding to the second space and facing the first through hole, of the second panel.
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公开(公告)号：US20210254396A1
公开(公告)日：2021-08-19
申请号：US17252193
申请日：2019-05-24
发明人： Kazuya HASEGAWA , Hiroyuki ABE , Haruhiko ISHIKAWA , Tasuku ISHIBASHI , Eiichi URIU , Takeshi SHIMIZU , Masataka NONAKA
摘要： The assembling step is a step of preparing an assembly. The setting step is a step of setting a plurality of holder installation areas along an outer peripheral edge of the peripheral wall. The determining step is a step of determining a first area in which the slit and the peripheral wall are not adjacent to each other in the first area and a second area in which the slit and the peripheral wall are adjacent to each other. The installation step is a step of providing a holder in the first area without providing the holder in the second area.
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公开(公告)号：US20210131169A1
公开(公告)日：2021-05-06
申请号：US17044854
申请日：2019-04-15
发明人： Takeshi SHIMIZU , Hiroyuki ABE , Masataka NONAKA , Kazuya HASEGAWA , Eiichi URIU , Tasuku ISHIBASHI , Haruhiko ISHIKAWA
摘要： A glass panel unit manufacturing method includes a glue arrangement step, a pillar forming step, an assembly forming step, a bonding step, an evacuation step, and a sealing step. The glue arrangement step includes arranging a hot glue including a frame member and a partition on either a first panel having a predetermined degree of warpage or a second panel. The pillar forming step includes placing pillars on either the first or second panel. The assembly forming step includes forming an assembly. The bonding step includes heating the assembly with the first panel arranged to form an upper part of the assembly and the second panel arranged to form a lower part of the assembly to bond the first panel and the second panel together. The evacuation step includes reducing pressure in an internal space. The sealing step includes creating a hermetically sealed evacuated space by closing an exhaust port.
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公开(公告)号：US20210010319A1
公开(公告)日：2021-01-14
申请号：US17041850
申请日：2019-03-07
发明人： Tasuku ISHIBASHI , Eiichi URIU , Kazuya HASEGAWA , Hiroyuki ABE , Masataka NONAKA , Takeshi SHIMIZU , Haruhiko ISHIKAWA
摘要： A glass panel unit assembly includes a pair of glass substrates arranged to face each other, a peripheral wall, a partition, an air passage, and an evacuation port. The peripheral wall has a frame shape and is provided between the pair of glass substrates. The partition partitions an internal space, surrounded with the pair of glass substrates and the peripheral wall, into a first space and a second space. The air passage connects the first space and the second space together. The evacuation port connects the second space to an external environment. The partition has a broader width than the peripheral wall.
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公开(公告)号：US20210009471A1
公开(公告)日：2021-01-14
申请号：US17041873
申请日：2019-03-15
发明人： Hiroyuki ABE , Eiichi URIU , Kazuya HASEGAWA , Tasuku ISHIBASHI , Masataka NONAKA , Takeshi SHIMIZU , Haruhiko ISHIKAWA
摘要： A method for manufacturing a glass panel unit, which reduces the amount of a getter material to enable a gettering ability to be realized at a relatively low temperature less likely to cause damage. The method includes a step of producing a getter material by heating an unprocessed getter material at a temperature higher than a prescribed temperature Te; a step of producing a preassembled component including a first and second glass pane, a heat-fusible sealing material, an internal space, and a gas adsorbent containing the getter material, and an evacuation port; a step of forming a frame body hermetically bonding the first glass pane and the second glass pane together by melting the heat-fusible sealing material with heat; and a step of heating the gas adsorbent at the prescribed temperature Te while the internal space is evacuated by exhausting air in the internal space through the evacuation port.
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公开(公告)号：US20200032573A1
公开(公告)日：2020-01-30
申请号：US16337320
申请日：2017-09-26
摘要： A manufacturing method of a glass panel unit includes an adhesive disposing step, a pillar disposition step of disposing a plurality of pillars on the first panel. Each of the plurality of pillars includes a plurality of resin layers to stacked on one another. In each of the plurality of pillars, a contact area being in contact with the first panel and being included in the resin layer which is in contact with the first panel is different from a contact area being in contact with the second panel and being included in the resin layer which is in contact with the second panel.
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公开(公告)号：US20200010361A1
公开(公告)日：2020-01-09
申请号：US16338409
申请日：2017-09-25
IPC分类号： C03C27/06 , B32B7/05 , B32B7/12 , B32B17/06 , B32B37/12 , B32B37/18 , B32B38/00 , E06B3/673 , E06B3/663
摘要： A gas adsorbent is placed on at least a surface of a first plate on one side in a thickness direction thereof or a surface of a second plate on one side in a thickness direction thereof. The gas adsorbent has a shape with relatively raised and lowered parts arranged alternately. The gas adsorbent is placed along a sealant that joins the first and second plates.
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公开(公告)号：US20190270215A1
公开(公告)日：2019-09-05
申请号：US16349120
申请日：2017-11-10
发明人： Takeshi SHIMIZU , Hiroyuki ABE , Masataka NONAKA , Kazuya HASEGAWA , Eiichi URIU , Haruhiko ISHIKAWA , Tasuku ISHIBASHI , Hiroshi TAKAHASHI , Shinobu WATANABE
摘要： A glass panel unit manufacturing method includes a punching step and a pillar mounting step. In the punching step, a punch punches at least one of a plurality of portions from a base material of a sheet to form at least one pillar. Each of the plurality of portions is surrounded by a corresponding one of a plurality of loop-shaped grooves in the base material. In the pillar mounting step, the at least one pillar is mounted on a surface of a first substrate including a glass pane.
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公开(公告)号：US20190241457A1
公开(公告)日：2019-08-08
申请号：US16316862
申请日：2017-07-10
IPC分类号： C03B23/203 , C03B25/02 , C03B18/02
CPC分类号： C03B23/203 , C03B18/02 , C03B23/245 , C03B25/025 , C03C27/02 , E06B3/66304
摘要： A manufacturing method of a glass panel for a glass panel unit includes a melting step, a spreading step, an annealing step, a cutting step, and a spacer disposition step. The spacer disposition step is a step of disposing spacers onto a glass sheet and is performed by a spacer disposition device prior to the cutting step.
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