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公开(公告)号：US20210115729A1
公开(公告)日：2021-04-22
申请号：US17043555
申请日：2019-03-13
Inventor： Tasuku ISHIBASHI , Eiichi URIU , Kazuya HASEGAWA , Hiroyuki ABE , Masataka NONAKA , Takeshi SHIMIZU , Haruhiko ISHIKAWA
Abstract: A method for manufacturing a glass panel unit includes an adhesive disposing step, a glass composite generation step, an internal space forming step, an evacuation step, and an evacuated space forming step. The adhesive disposing step includes disposing a thermal adhesive on a second panel. The glass composite generation step includes generating a glass composite including a first panel, the second panel, and the thermal adhesive. The internal space forming step includes heating the glass composite to melt the thermal adhesive to form internal spaces (a first space and a second space). The evacuation step includes exhausting gas from the internal space to evacuate the internal space. The evacuated space forming step includes heating and applying force to part of a first portion or a second portion to deform the part to close an evacuation path to form an evacuated space hermetically closed.
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公开(公告)号：US20210095517A1
公开(公告)日：2021-04-01
申请号：US17043446
申请日：2019-03-22
Inventor： Eiichi URIU , Tasuku ISHIBASHI , Kazuya HASEGAWA , Hiroyuki ABE , Masataka NONAKA , Takeshi SHIMIZU , Haruhiko ISHIKAWA
Abstract: A work in progress includes: a pair of glass substrates arranged to face each other; a peripheral wall having a frame shape and disposed between the pair of glass substrates; a boundary wall; and an evacuation port. The boundary wall hermetically separates an internal space, surrounded with the pair of glass substrates and the peripheral wall, into an evacuation space, a buffer space, and a ventilation space. The evacuation port connects the ventilation space to an external environment. The evacuation space and the buffer space have a lower internal pressure than the ventilation space. A predetermined part, including the evacuation space but excluding parts covering the buffer space and the ventilation space, of the work in progress, forms the glass panel unit.
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13.发明申请公开(公告)号：US20210017805A1
公开(公告)日：2021-01-21
申请号：US17044519
申请日：2019-03-13
Inventor： Takeshi SHIMIZU , Masataka NONAKA , Haruhiko ISHIKAWA , Eiichi URIU , Kazuya HASEGAWA , Tasuku ISHIBASHI , Hiroyuki ABE
Abstract: A glass panel unit having an exhaust pipe not protruding from the glass panel unit and an evacuation port tightly sealed, a glass window. A glass panel unit includes a first panel, a second panel, a seal member having a frame shape, a pore sealing material, and a bonding portion. The seal member hermetically bonds a peripheral portion of the first panel and a peripheral portion of the second panel together such that a hermetically sealed space in an evacuated state is formed between the first panel and the second panel. The pore sealing material hermetically seals an evacuation port formed in one of the first panel and the second panel. The bonding portion is bonded to the first panel and the second panel at part of a peripheral portion of the evacuation port and to suppress the first panel and the second panel from separating from each other.
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14.发明申请公开(公告)号：US20200087200A1
公开(公告)日：2020-03-19
申请号：US16617385
申请日：2018-05-16
Inventor： Masataka NONAKA , Takeshi SHIMIZU , Haruhiko ISHIKAWA , Eiichi URIU , Kazuya HASEGAWA , Tasuku ISHIBASHI , Hiroyuki ABE
Abstract: A pillar mounting method includes an accommodation step, a mounting step, and a displacement step. The accommodation step is a step of accommodating a plurality of pillars in storage with the plurality of pillars being stacked on each other. The mounting step is a step of pushing one pillar of the plurality of pillars accommodated in the storage out of the storage and mounting the one pillar on a substrate including a glass pane. The displacement step is a step of changing a relative location between the substrate and the storage. The mounting step and the displacement step are alternately repeated to mount the plurality of pillars in a predetermined arrangement on the substrate such that the plurality of pillars are apart from each other.
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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
Inventor： Tasuku ISHIBASHI , Eiichi URIU , Hiroyuki ABE , Kazuya HASEGAWA , Kenji HASEGAWA , Masataka NONAKA , Takeshi SHIMIZU , Haruhiko ISHIKAWA
Abstract: 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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Patent Agency Ranking
公开(公告)号：US20210254396A1
公开(公告)日：2021-08-19
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
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：US20210131169A1
公开(公告)日：2021-05-06
申请号：US17044854
申请日：2019-04-15
Inventor： Takeshi SHIMIZU , Hiroyuki ABE , Masataka NONAKA , Kazuya HASEGAWA , Eiichi URIU , Tasuku ISHIBASHI , Haruhiko ISHIKAWA
Abstract: 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
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：US20210009471A1
公开(公告)日：2021-01-14
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：US20190270215A1
公开(公告)日：2019-09-05
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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