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公开(公告)号：US20220162903A1
公开(公告)日：2022-05-26
申请号：US17602342
申请日：2020-03-19
Inventor： Tasuku ISHIBASHI , Eiichi URIU , Kazuya HASEGAWA , Hiroyuki ABE , Masataka NONAKA , Takeshi SHIMIZU
Abstract: A method for manufacturing a glass panel unit includes an assembling step, a gas exhausting step, and a sealing step. At least one of a first glass pane or a second glass pane includes a low-emissivity film. In a situation where the low-emissivity film is heated at a temperature increase rate of 4° C./min before a peripheral wall is melted, a ratio of an emission quantity of a rare gas emitted from the low-emissivity film at a deformation temperature of the partition to an emission quantity of the rare gas emitted from the low-emissivity film at 100° C. is equal to or less than 2.0.
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公开(公告)号：US20220154522A1
公开(公告)日：2022-05-19
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：US20210221737A1
公开(公告)日：2021-07-22
申请号：US17059044
申请日：2019-04-15
Inventor： Takeshi SHIMIZU , Masataka NONAKA , Haruhiko ISHIKAWA , Eiichi URIU , Kazuya HASEGAWA , Tasuku ISHIBASHI , Hiroyuki ABE
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 with a bonding material 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 by connecting an exhaust device to the evacuation port and driving the exhaust device. The sealing step includes sealing the evacuation port with the sealing material while an evacuated state in the internal space is maintained. In the sealing step, a measured value by a pressure gauge is monitored while the sealing material is heated, softening of the sealing material is detected based on the transition of the measured value, and heating of the sealing material is stopped.
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公开(公告)号：US20220243527A1
公开(公告)日：2022-08-04
申请号：US17618533
申请日：2020-06-16
Inventor： Hiroyuki ABE , Eiichi URIU , Kazuya HASEGAWA , Tasuku ISHIBASHI , Masataka NONAKA , Takeshi SHIMIZU , Haruhiko ISHIKAWA
Abstract: A method for manufacturing a glass panel unit includes a working step, an assembling step, a bonding step, and a gas exhausting step. The working step includes a getter material making step including obtaining a getter material containing a zeolite and a cerium compound. The assembling step includes preparing an assembly. The bonding step includes melting a peripheral wall to hermetically bond a first glass pane and a second glass pane. The gas exhausting step includes exhausting a gas from an internal space through an exhaust port to turn the internal space into a vacuum space.
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5.发明申请公开(公告)号：US20210178525A1
公开(公告)日：2021-06-17
申请号：US17052677
申请日：2019-05-16
Inventor： Masataka NONAKA , Eiichi URIU , Takeshi SHIMIZU , Kazuya HASEGAWA , Tasuku ISHIBASHI , Hiroyuki ABE , Haruhiko ISHIKAWA
Abstract: A pillar delivery method is a method for delivering a plurality of pillars onto a substrate, including a glass panel, to manufacture a glass panel unit. The pillar delivery method includes an irradiation step, a holding step, and a mounting step. The irradiation step includes setting, over a holder, a sheet for use to form pillars and irradiating the sheet with a laser beam to punch out the plurality of pillars. The holding step includes having the plurality of pillars, which have been punched out of the sheet, held by the holder. The mounting step includes picking up some or all of the plurality of pillars from the holder and mounting the pillars onto the substrate.
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Patent Agency Ranking
公开(公告)号：US20210147291A1
公开(公告)日：2021-05-20
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
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：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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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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10.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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