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公开(公告)号：US10808453B2
公开(公告)日：2020-10-20
申请号：US15902611
申请日：2018-02-22
Inventor： Hiroyuki Abe , Masataka Nonaka , Hideki Yoshida , Eiichi Uriu , Kenji Hasegawa
Abstract: The objective is to propose a production method of multiple panes which can be simple and nevertheless produce a multiple pane in its finished state which does not include any undesired protrusion from an external surface of a glass panel. The production method includes: hermetically bonding, with a sealing member, peripheries of paired glass panels disposed facing each other at a predetermined distance to form a space to be hermetically enclosed between the glass panels; evacuating air from the space through an outlet to make the space be in a reduced pressure state; subsequently dividing the space by a region forming member disposed inside the space to form a partial region which do not include the outlet; and subsequently cutting out the partial regions by cutting the pair of glass panels.
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公开(公告)号：US10662109B2
公开(公告)日：2020-05-26
申请号：US16087583
申请日：2017-02-16
Inventor： Hiroyuki Abe , Eiichi Uriu , Kazuya Hasegawa , Masataka Nonaka , Tasuku Ishibashi
Abstract: An object of the disclosure is to provide a glass panel and a glass window which are configured to stably maintain a depressurized space therein even when their spacers contain a resin. A glass panel unit of an aspect of the disclosure includes: a first glass pane; a second glass pane facing the first glass pane; a frame member which has a frame shape and which the first and second glass panes are bound together through; and spacers containing a resin and disposed between the first and second glass panes. A depressurized space is provided between the first glass pane and the second glass pane. The first and second glass panes are respectively to be exterior and interior panes. The first glass pane has lower ultraviolet transmittance than the second glass pane.
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公开(公告)号：US10604992B2
公开(公告)日：2020-03-31
申请号：US15755286
申请日：2016-09-02
Inventor： Hiroyuki Abe , Eiichi Uriu , Tasuku Ishibashi , Masataka Nonaka
Abstract: A glass panel unit includes a first pane of glass, and a second pane of glass facing the first pane of glass with both of them spaced a predetermined interval apart. It is provided with a sealant between the panes of glass, joined to them in an airtight manner, and an interior space sealed with them and the sealant. It is provided with a first spacer in the interior space so as to be in contact with the panes of glass, and a second spacer disposed in the interior space so as to be in contact with only one of the panes of glass and out of contact with another thereof.
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公开(公告)号：US11549305B2
公开(公告)日：2023-01-10
申请号：US17044131
申请日：2019-04-19
Inventor： Tasuku Ishibashi , Eiichi Uriu , Kazuya Hasegawa , Hiroyuki Abe , Masataka Nonaka , Takeshi Shimizu , Haruhiko Ishikawa
Abstract: An assembly includes a plurality of partitions to partition an internal space, surrounded with a pair of glass substrates arranged to face each other and a the peripheral wall having a frame shape and provided between the pair of glass substrates, into an evacuation space and a ventilation space. The plurality of partitions includes a first partition and a second partition, of which lengths are defined in two different directions. An end of the second partition faces a side portion of the first partition with a predetermined gap left between them. A space between the end of the second partition and the side portion of the first partition constitutes an air passage to evacuate the evacuation space through an evacuation port. The second partition includes, at the end thereof, a swollen portion protruding toward the evacuation space at least along the width of the second partition.
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15.发明授权公开(公告)号：US11465938B2
公开(公告)日：2022-10-11
申请号：US16338401
申请日：2017-09-25
Inventor： Tasuku Ishibashi , Eiichi Uriu , Kazuya Hasegawa , Masataka Nonaka , Hiroyuki Abe
Abstract: A manufacturing method of a glass panel unit of the present invention includes a bonding step, a pressure reduction step, and a sealing step. In the bonding step, a first substrate and a second substrate are hermetically bonded together with a seal having a frame shape. In the pressure reduction step, a pressure in an inside space formed between the first substrate and the second substrate is reduced through an exhaust port. In the sealing step, sealant disposed between the first substrate and the second substrate is deformed, and the sealant thus deformed seals an opening of the exhaust port.
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Patent Agency Ranking
公开(公告)号：US11428041B2
公开(公告)日：2022-08-30
申请号：US17041850
申请日：2019-03-07
Inventor： Tasuku Ishibashi , Eiichi Uriu , Kazuya Hasegawa , Hiroyuki Abe , Masataka Nonaka , Takeshi Shimizu , Haruhiko Ishikawa
Abstract: 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：US11268317B2
公开(公告)日：2022-03-08
申请号：US16617496
申请日：2018-05-25
Inventor： Takeshi Shimizu , Kazuya Hasegawa , Masataka Nonaka , Hiroyuki Abe , Eiichi Uriu , Haruhiko Ishikawa , Tasuku Ishibashi
Abstract: A first substrate, having an evacuation port, and a second substrate are bonded together with a first sealing material in a frame shape interposed between them to create an internal space. The internal space is evacuated through the evacuation port, and the evacuation port is sealed up with the internal space kept evacuated. At this time, a second sealing material inserted into the evacuation port is heated and melted while being pressed toward the second substrate such that the evacuation port is sealed up with the second sealing material melted. The evacuation port and the second sealing material have dissimilar shapes when viewed along the center axis of the evacuation port in a state where the second sealing material has been inserted into the evacuation port but has not melted yet.
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公开(公告)号：US11236004B2
公开(公告)日：2022-02-01
申请号：US16316862
申请日：2017-07-10
Inventor： Masataka Nonaka , Eiichi Uriu , Kazuya Hasegawa , Tasuku Ishibashi , Hiroyuki Abe
Abstract: 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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公开(公告)号：US11117831B2
公开(公告)日：2021-09-14
申请号：US16337880
申请日：2017-09-26
Inventor： Hiroyuki Abe , Eiichi Uriu , Kazuya Hasegawa , Masataka Nonaka , Tasuku Ishibashi
Abstract: In s glass panel unit, a pitch of pillars is determined such that a distortion of a first panel and second panel is smaller than an interval between the first panel and the second panel. The distortion is calculated based on the interval between the first panel and the second panel, load loading compression fracture per one pillar of the multiple pillars, Young's moduli of the first panel and the second panel, thicknesses of the first panel and the second panel, and Poisson's ratios of the first panel and the second panel.
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公开(公告)号：US10974985B2
公开(公告)日：2021-04-13
申请号：US16084782
申请日：2017-03-27
Inventor： Takeshi Shimizu , Tasuku Ishibashi , Eiichi Uriu , Kazuya Hasegawa , Masataka Nonaka , Hiroyuki Abe , Haruhiko Ishikawa
Abstract: 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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