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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
发明人： Tasuku ISHIBASHI , Eiichi URIU , Kazuya HASEGAWA , Hiroyuki ABE , Masataka NONAKA , Takeshi SHIMIZU
摘要： 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
发明人： Tasuku ISHIBASHI , Eiichi URIU , Kazuya HASEGAWA , Hiroyuki ABE , Kenji HASEGAWA , Masataka NONAKA , Takeshi SHIMIZU
摘要： 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
发明人： Takeshi SHIMIZU , Masataka NONAKA , Haruhiko ISHIKAWA , Eiichi URIU , Kazuya HASEGAWA , Tasuku ISHIBASHI , Hiroyuki ABE
摘要： 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：US20190136608A1
公开(公告)日：2019-05-09
申请号：US16089880
申请日：2017-03-14
摘要： A glass panel unit according to an example of the present disclosure includes a first glass panel and a second glass panel disposed to face the first glass panel. The glass panel unit includes: a seal having frame shape and hermetically binding the first glass panel and the second glass panel together; and a depressurized space surrounded by the first glass panel, the second glass panel, and the seal. The glass panel unit includes spacers between the first glass panel and the second glass panel. The spacers include a macromolecular resin material including molecular chains. Of the molecular chains, the number of molecular chains oriented in an orthogonal direction is larger than the number of molecular chains oriented in a counter direction. The orthogonal direction is a direction orthogonal to the counter direction, which is a direction in which the first and second glass panels face each other.
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公开(公告)号：US20180319707A1
公开(公告)日：2018-11-08
申请号：US15764266
申请日：2016-09-14
CPC分类号： C03C27/10 , B32B17/10055 , C03C27/06 , E06B3/6612 , E06B3/66304 , E06B3/6775 , E06B2003/66338 , Y02A30/25 , Y02B80/24
摘要： An object of the invention is to provide a glass panel unit manufacturing method and a glass window manufacturing method which enable a binder to be effectively removed from a glass adhesive, provide high adhesive strength between panels, and enable a vacuum space to be stably formed. A method for manufacturing a glass panel unit includes: disposing a glass adhesive to have one part as a low step part thinner than the other part of the glass adhesive; disposing a first substrate including at least a first glass substrate and a second substrate including at least a second glass substrate to face each other; and heating glass composite to form an inner space; reducing the pressure of the inner space; and forming a vacuum space from the inner space. The glass adhesive includes glass powder and a binder.
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6.发明公开公开(公告)号：US20230167671A1
公开(公告)日：2023-06-01
申请号：US17922937
申请日：2021-04-26
发明人： Hiroyuki ABE , Eiichi URIU , Tasuku ISHIBASHI , Kazuya HASEGAWA , Masataka NONAKA , Takeshi SHIMIZU , Naoki KOSUGI
CPC分类号： E06B3/6612 , C03C27/06 , E06B3/6775 , C03C2201/06
摘要： A glass panel unit includes: a first glass pane; a second glass pane facing the first glass pane; a frame member; an evacuated space; and a gas adsorbent. The frame member hermetically bonds the first glass pane and the second glass pane. The evacuated space is surrounded with the first glass pane, the second glass pane, and the frame member. The gas adsorbent is placed in the evacuated space. The gas adsorbent contains a getter material. The getter material contains a plurality of particles of a zeolite crystal. At least one particle accounting for a half or more of a total weight of the plurality of particles has a particle size equal to or greater than 200 nm. An activable temperature of the at least one particle is equal to or lower than 400° C.
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公开(公告)号：US20210381302A1
公开(公告)日：2021-12-09
申请号：US17283858
申请日：2019-08-27
发明人： Kenji HASEGAWA , Eiichi URIU , Kazuya HASEGAWA , Tasuku ISHIBASHI , Hiroyuki ABE , Masataka NONAKA , Takeshi SHIMIZU , Haruhiko ISHIKAWA
摘要： 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：US20210270084A1
公开(公告)日：2021-09-02
申请号：US17258267
申请日：2019-06-19
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 includes an assembling step, a bonding step, a gas exhausting step, a sealing step, and an activating step. The bonding step includes melting a peripheral wall in a baking furnace at a first predetermined temperature to hermetically bond a first glass pane and a second glass pane together with the peripheral wall thus melted. The gas exhausting step includes exhausting a gas from an internal space through an exhaust port in the baking furnace to turn the internal space into a vacuum space. The sealing step includes locally heating to a temperature higher than a second predetermined temperature, and thereby melting, either a port sealing material or an exhaust pipe to seal the exhaust port and thereby obtain a work in progress. The activating step includes activating a gas adsorbent after the sealing step to obtain a glass panel unit.
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公开(公告)号：US20210238088A1
公开(公告)日：2021-08-05
申请号：US16625559
申请日：2018-06-19
发明人： Hiroyuki ABE , Eiichi URIU , Kazuya HASEGAWA , Tasuku ISHIBASHI , Masataka NONAKA , Takeshi SHIMIZU , Haruhiko ISHIKAWA
摘要： A gas adsorption unit includes a getter, a package encapsulating the getter, and a low-melting member. The low-melting member is heated, and thereby melted, at a temperature lower than a melting point of the package to bond a connector including the low-melting member onto the package. Next, the low-melting member that has melted is cooled and cured. Then, thermal stress resulting from a difference in thermal expansion coefficient between the package and the connector is caused to the package connected to the connector, thereby breaking the package open.
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公开(公告)号：US20210207427A1
公开(公告)日：2021-07-08
申请号：US17059009
申请日：2019-04-15
发明人： Takeshi SHIMIZU , Masataka NONAKA , Haruhiko ISHIKAWA , Eiichi URIU , Kazuya HASEGAWA , Tasuku ISHIBASHI , Hiroyuki ABE
摘要： 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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