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公开(公告)号：US12196034B2
公开(公告)日：2025-01-14
申请号：US17599976
申请日：2020-03-05
Inventor： Tasuku Ishibashi , Eiichi Uriu , Kazuya Hasegawa , Hiroyuki Abe , Kenji Hasegawa , Masataka Nonaka , Takeshi Shimizu
Abstract: Provided is a glass panel unit that reduces the chances of an electric wire extended being disconnected. A glass panel unit includes a first panel, a second panel, a seal, a connecting void, and an electric wire. The first panel includes a first glass pane. The second panel includes a second glass pane and is arranged to face the second glass pane. The seal has a frame shape and hermetically bonds respective peripheral edge portions of the first panel and the second panel to create an internal space between the first panel and the second panel. The connecting void is provided for a portion, other than a portion facing the internal space, of at least one of the first panel or the second panel. The electric wire is extended from the internal space to the connecting void by passing through the seal.
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公开(公告)号：US12091359B2
公开(公告)日：2024-09-17
申请号：US17044233
申请日：2019-02-28
Inventor： Haruhiko Ishikawa , Takeshi Shimizu , Masataka Nonaka , Eiichi Uriu , Kazuya Hasegawa , Tasuku Ishibashi , Hiroyuki Abe
CPC classification number: C03C27/06 , E06B3/6612 , E06B3/6775
Abstract: A sealing head includes a frame, an intake unit, a pressing pin, and a non-contact heater. The frame is configured to be detachably attached to a work in progress of a glass panel unit. The intake unit, the pressing pin, and the non-contact heater are supported by the frame. The work in progress includes a first substrate, a second substrate, a bonding part, and an internal space. The first substrate has an evacuation port. The bonding part bonds the first substrate and the second substrate together. The internal space is formed by being surrounded by the first substrate, the second substrate, and the bonding part. The internal space is communicated with the evacuation port. The pressing pin is configured to press, toward the second substrate, a sealing material which is heat fusible and which is inserted into the evacuation port. The non-contact heater is configured to locally heat the sealing material in a non-contact manner via the second substrate.
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公开(公告)号：US12071371B2
公开(公告)日：2024-08-27
申请号：US17044480
申请日：2019-03-08
Inventor： Masataka Nonaka , Eiichi Uriu , Kazuya Hasegawa , Tasuku Ishibashi , Hiroyuki Abe , Takeshi Shimizu , Haruhiko Ishikawa
CPC classification number: C03C27/06 , E06B3/6612 , E06B3/66304 , E06B2003/66338 , E06B3/6775
Abstract: A glass panel unit includes: a pair of glass panels arranged to face each other; and a frame member disposed between the pair of glass panels to hermetically bond the pair of glass panels together. The frame member includes: a body; and a reinforcing portion. The body has a frame shape and includes: a first part containing a first sealing material having a first softening point; and a second part containing a second sealing material having a second softening point that is higher than the first softening point. The reinforcing portion contains a third sealing material having a third softening point that is higher than the first softening point. The reinforcing portion is adjacent to the first part in a space surrounded with the pair of glass panels and the body.
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公开(公告)号：US11808080B2
公开(公告)日：2023-11-07
申请号：US17252193
申请日：2019-05-24
Inventor： Kazuya Hasegawa , Hiroyuki Abe , Haruhiko Ishikawa , Tasuku Ishibashi , Eiichi Uriu , Takeshi Shimizu , Masataka Nonaka
CPC classification number: E06B3/677 , E06B3/67386
Abstract: 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：US11767705B2
公开(公告)日：2023-09-26
申请号：US17059009
申请日：2019-04-15
Inventor： Takeshi Shimizu , Masataka Nonaka , Haruhiko Ishikawa , Eiichi Uriu , Kazuya Hasegawa , Tasuku Ishibashi , Hiroyuki Abe
CPC classification number: E06B3/677 , C03C27/06 , E06B3/6612 , E06B3/6736
Abstract: A glass panel unit manufacturing method includes a bonding step, an insertion step, an evacuation step, and a sealing step. The bonding step includes bonding a first substrate having an evacuation port and a second substrate together with a bonding material provided between the first substrate and the second substrate and having a frame shape to form an internal space. The insertion step includes inserting a sealing material into the evacuation port. The evacuation step includes evacuating the internal space through the exhaust passage. The sealing step includes deforming the sealing material by heating while an evacuated state in the internal space is maintained. In a state where the sealing material blocks ventilation between the evacuation port and the internal space, gas is supplied through the exhaust passage toward the evacuation port.
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Patent Agency Ranking
公开(公告)号：US10766160B2
公开(公告)日：2020-09-08
申请号：US16349120
申请日：2017-11-10
Inventor： Takeshi Shimizu , Hiroyuki Abe , Masataka Nonaka , Kazuya Hasegawa , Eiichi Uriu , Haruhiko Ishikawa , Tasuku Ishibashi , Hiroshi Takahashi , Shinobu Watanabe
Abstract: 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：US12187643B2
公开(公告)日：2025-01-07
申请号：US17041873
申请日：2019-03-15
Inventor： Hiroyuki Abe , Eiichi Uriu , Kazuya Hasegawa , Tasuku Ishibashi , Masataka Nonaka , Takeshi Shimizu , Haruhiko Ishikawa
Abstract: 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：US12098587B2
公开(公告)日：2024-09-24
申请号：US17283858
申请日：2019-08-27
Inventor： Kenji Hasegawa , Eiichi Uriu , Kazuya Hasegawa , Tasuku Ishibashi , Hiroyuki Abe , Masataka Nonaka , Takeshi Shimizu , Haruhiko Ishikawa
CPC classification number: E06B3/6612 , E06B3/6621 , E06B3/6733
Abstract: A glass panel unit includes: a first panel including a glass pane; a second panel including another glass pane; a sealing portion; an exhaust port; and a printed portion. The second panel is arranged to face the first panel. The sealing portion is formed in a frame shape and hermetically bonds respective peripheral edge portions of the first and second panels to create an evacuated, hermetically sealed space between the first panel and the second panel. The exhaust port is provided for one panel selected from the first and second panels. A port sealing member hermetically seals the exhaust port. The printed portion is provided for the other panel selected from the first and second panels. The printed portion is located in an area, facing the exhaust port, of one surface of the other panel. The one surface either faces toward, or faces away from, the hermetically sealed space.
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公开(公告)号：US11905755B2
公开(公告)日：2024-02-20
申请号：US17256639
申请日：2019-05-23
Inventor： Kazuya Hasegawa , Hiroyuki Abe , Haruhiko Ishikawa , Tasuku Ishibashi , Eiichi Uriu , Takeshi Shimizu , Masataka Nonaka
CPC classification number: E06B3/6736 , B32B17/10 , C03C27/06 , E06B3/6612 , E06B3/66342 , E06B3/6775 , E06B3/66333 , E06B2003/66338
Abstract: A method for manufacturing a glass panel unit includes a glue arrangement step, an assembly forming step, a first melting step, an evacuation step, and a second melting step. The first melting step includes melting a hot glue, bonding a first and second panel with the glue, and forming an internal space. The first melting step includes a first temperature raising step, a first temperature maintaining step including maintaining the temperature of the assembly at a temperature equal to or higher than a softening point of the hot glue, and a first temperature lowering step, which are performed in this order. The first temperature lowering step includes: an anterior temperature lowering step including lowering the temperature of the assembly; a middle temperature maintaining step including maintaining the temperature of the assembly; and a posterior temperature lowering step including lowering the temperature of the assembly, which are performed in this order.
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公开(公告)号：US11230878B2
公开(公告)日：2022-01-25
申请号：US17044642
申请日：2019-03-08
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 disposed 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 is lower in height than the peripheral wall.
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