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公开(公告)号：EP4442516A1
公开(公告)日：2024-10-09
申请号：EP22900842.0
申请日：2022-06-30
申请人： Daicel Corporation
IPC分类号： B60R22/46 , B01J7/00 , B60R21/264
CPC分类号： B60R21/264 , B60R22/46 , B01J7/00
摘要： When a resin case is used, scattering of the case at the time of rupture is suppressed. A gas generator includes: an ignition device including an igniter, an igniter holding portion having a tubular shape and being configured to hold the igniter in a state of surrounding the igniter, and a fixing portion made of resin and being configured to fix the igniter to the igniter holding portion; a case having a bottomed tubular shape and being configured to accommodate a gas generating agent which combusts by actuation of the ignition device, the case being made of resin and including a side wall portion with a base end side being connected to the fixing portion, and a closing end portion configured to close a tip end side; and a reinforcing member covering at least the closing end portion, the reinforcing member partially including an opening portion, and having a greater breaking strength than a breaking strength of the case.
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公开(公告)号：EP4442518A1
公开(公告)日：2024-10-09
申请号：EP22900941.0
申请日：2022-10-18
申请人： Daicel Corporation
IPC分类号： B60R22/46
CPC分类号： B60R22/46
摘要： When a resin case is used, scattering of the case at the time of rupture is suppressed. A gas generator includes: an ignition device including an igniter, an igniter holding portion having a tubular shape and being configured to hold the igniter in a state of surrounding the igniter, and a fixing portion made of resin and being configured to fix the igniter to the igniter holding portion; and a case having a bottomed tubular shape and being configured to accommodate a gas generating agent which combusts by actuation of the ignition device, the case being made of resin and including a side wall portion with a base end side being connected to the fixing portion, and a closing end portion configured to close a tip end side. The case includes an inclined surface extending obliquely with respect to an axial direction of the case on the tip end side, and a fragile part formed at an edge portion excluding at least a base end portion of the inclined surface.
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公开(公告)号：EP4442517A1
公开(公告)日：2024-10-09
申请号：EP22900843.8
申请日：2022-06-30
申请人： Daicel Corporation
IPC分类号： B60R22/46 , B01J7/00 , B60R21/264
CPC分类号： F42B3/12 , B60R21/264 , B60R22/46 , B01J7/00
摘要： When a resin case is used, scattering of the case at the time of rupture is suppressed. A gas generator includes: an ignition device including an igniter, an igniter holding portion having a tubular shape and being configured to hold the igniter in a state of surrounding the igniter, and a fixing portion made of resin and being configured to fix the igniter to the igniter holding portion; and a case having a bottomed tubular shape and being configured to accommodate a gas generating agent which combusts by actuation of the ignition device, the case made of resin and including a side wall portion with a base end side being connected to the fixing portion, and a closing end portion configured to close a tip end side. The closing end portion includes a fragile part configured to open by a combustion product generated by the gas generating agent, a periphery of the fragile part is greater in thickness than the fragile part, and an annular inclination portion is formed inside the case from a predetermined position of the side wall portion to the fragile part.
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公开(公告)号：EP4289680A1
公开(公告)日：2023-12-13
申请号：EP22749667.6
申请日：2022-01-31
申请人： Daicel Corporation
发明人： FUKUSHIMA, Akira , YAMAMOTO, Shinya
IPC分类号： B60R21/264
摘要： An igniter assembly includes: an igniter including a container made of metal and an ignition charge, the igniter being configured to emit a combustion product of the ignition charge to an outside of the container when a lid wall portion is ruptured when the igniter is operated, the container including a peripheral wall portion having a tubular shape and the lid wall portion configured to close one end portion of the peripheral wall portion, the ignition charge being filled in an accommodating space defined by the peripheral wall portion and the lid wall portion; and a tubular wall portion made of resin and formed in a tubular shape in a manner that the peripheral wall portion is surrounded, the tubular wall portion inwardly forming an emitting space in which the combustion product of the ignition charge is emitted. The lid wall portion includes an annular outer peripheral region portion connected to one end portion of the peripheral wall portion and a central region portion positioned inside the outer peripheral region portion in a radial direction compared to the outer peripheral region portion, and the outer peripheral region portion is formed thicker than the central region portion.
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