Abstract: The present invention provides a sealing structure of a sealed container in which an opening of a metallic cylindrical container is closed with a metallic closing member, wherein a gap between an inner wall surface on an side of the opening of the metallic cylindrical container and an outer surface of the metallic closing member that radially faces the inner wall surface is sealed with a seal member having been melted and solidified.

Abstract: A sealing structure of a sealed container includes, a metallic cylindrical container having an opening, and a metallic closing member that closes the opening. The metallic closing member has an outer surface opposing an inner wall surface of the metallic cylindrical container, and the outer surface of the metallic closing member is one of plated with metal and covered with thermoplastic resin. The metallic closing member seals the opening of the metallic cylindrical container by one of melted metal and melted thermoplastic resin, and the one of melted metal and melted thermoplastic resin is a material different from a material of the metallic cylindrical container and the metallic closing member.

Abstract: A gas generator including an enhancer chamber provided on a first end of a cylindrical housing and including an igniter therein, a diffuser portion formed with a gas discharge port on a second end, a combustion chamber provided between the diffuser portion and the enhancer chamber, the enhancer chamber being an internal space which is axially sandwiched between the igniter and a cup-shaped partition wall, the internal space accommodating therein an enhancing agent, the cup-shaped partition wall including a peripheral wall provided with a peripheral wall body with a plurality of nozzles and an annular portion expanding outwardly from the peripheral wall body, an outer surface of the annular portion abutting against an inner wall surface of the cylindrical housing, a cylindrical gap being formed between the peripheral wall body and the inner wall surface, the nozzles being disposed to face the cylindrical gap, and the cylindrical gap being devoid of the gas generating agent therein.

Abstract: The present invention provides a gas generator, including: an ignition device being disposed at a first end of a cylindrical housing main body portion, a diffuser portion being provided with a gas discharge port and closing a second end thereof which is axially opposite to the first end; a combustion chamber being present in an internal space of the cylindrical housing main body portion; a cup-shaped member partitioning the combustion chamber and the diffuser portion, a bottom surface and an opening of the cup-shaped member being located on the side of the first end and the second end of the cylindrical housing main body portion respectively, and a first gap being formed between the circumferential wall of the cup-shaped member and an inner wall surface of the cylindrical housing main body portion; a cylindrical filter being disposed in a space surrounded by the cup-shaped member and the diffuser portion, and a first end surface of the cylindrical filter being abutted against the bottom surface of the cup-

Abstract: According to an embodiment of the present invention, provided is a closing structure of a pressure-resistant container in which an opening of a metallic cylindrical container is closed by a metallic closing member, the closing member including a closing part, the closing part including a first surface, a second surface on an opposite side to the first surface in a thickness direction, and a circumferential surface part between the first surface and the second surface, and having a same shape as that of the opening and having a size enabling insertion thereof into the opening.

Abstract: The present invention provides a sealing structure of a sealed container in which an opening of a metallic cylindrical container is closed with a metallic closing member, wherein a gap between an inner wall surface on an side of the opening of the metallic cylindrical container and an outer surface of the metallic closing member that radially faces the inner wall surface is sealed with a seal member having been melted and solidified.

Abstract: A gas generator including an enhancer chamber provided on a first end of a cylindrical housing and including an igniter therein, a diffuser portion formed with a gas discharge port on a second end, a combustion chamber provided between the diffuser portion and the enhancer chamber, the enhancer chamber being an internal space which is axially sandwiched between the igniter and a cup-shaped partition wall, the internal space accommodating therein an enhancing agent, the cup-shaped partition wall including a peripheral wall provided with a peripheral wall body with a plurality of nozzles and an annular portion expanding outwardly from the peripheral wall body, an outer surface of the annular portion abutting against an inner wall surface of the cylindrical housing, a cylindrical gap being formed between the peripheral wall body and the inner wall surface, the nozzles being disposed to face the cylindrical gap, and the cylindrical gap being devoid of the gas generating agent therein.

Abstract: The present invention provides a gas generator, including: an ignition device being disposed at a first end of a cylindrical housing main body portion, a diffuser portion being provided with a gas discharge port and closing a second end thereof which is axially opposite to the first end; a combustion chamber being present in an internal space of the cylindrical housing main body portion; a cup-shaped member partitioning the combustion chamber and the diffuser portion, a bottom surface and an opening of the cup-shaped member being located on the side of the first end and the second end of the cylindrical housing main body portion respectively, and a first gap being formed between the circumferential wall of the cup-shaped member and an inner wall surface of the cylindrical housing main body portion; a cylindrical filter being disposed in a space surrounded by the cup-shaped member and the diffuser portion, and a first end surface of the cylindrical filter being abutted against the bottom surface of the cup-sha

Abstract: The present invention provides a gas generator including a cylindrical housing in which an ignition device is attached at a first end portion thereof and a diffuser portion provided with a gas discharge port is attached at a second end portion thereof, an annular end surface being formed on the side of the second end portion, a cylindrical flow path forming member being disposed in the cylindrical housing, an inner space of the cylindrical flow path forming member being partitioned by a partition wall into a first chamber on the side of the first end portion and a second chamber on the side of the second end portion, a space, which includes the first chamber, being a combustion chamber filled with a gas generating agent, and the second chamber forming part of a gas discharge path, in the cylindrical flow path forming member, a first cylindrical space, which is formed between a first wall surface of the cylindrical flow path forming member on the side of the first chamber and the inner wall surface of the cyli

Abstract: The present invention provides a gas generator wherein a diffuser portion having a gas discharge port is disposed at one end of a cylindrical housing; an ignition device is disposed at the other end of the cylindrical housing; an axially-movable metallic partition wall having a plurality of through-holes is disposed between the ignition device and the diffuser portion; a space between the partition wall and the ignition device is an ignition device chamber charged with a molded article of a first gas generating agent; a space between the partition wall and the diffuser portion is a combustion chamber charged with a molded article of a second gas generating agent; the partition wall has a circular bottom surface and an annular wall extending, in a single direction, perpendicularly to an outer circumference of the circular bottom surface, and the circular bottom surface is disposed so as to be on the diffuser portion side; the ignition device has an igniter having a disk-shaped ignition portion protruding towar

Abstract: The present invention provides a gas generator including, an ignition device chamber, a gas inflow chamber, and a pressurized gas chamber being arranged from a first end fixed with an ignition device to a second end opposite thereto in a cylindrical housing, an inner circumferential wall surface of the cylindrical housing, from the ignition device chamber to the gas inflow chamber, having a first movement restricting portion, a second movement restricting portion and a stopping portion which are arranged in an axial direction at intervals in the above order so as to protrude, the second movement restricting portion having an ignition device chamber-side surface which is an inclined surface decreasing an inner diameter of the housing from the side of the ignition device chamber to the side of the gas inflow chamber and a gas inflow chamber-side surface whose angle (?1) with respect to the cylindrical housing is not more than 90 degrees, so that an axial cross-sectional shape of the second movement restricting

Abstract: The present invention provides a gas generator including a cylindrical housing in which an ignition device is attached at a first end portion thereof and a diffuser portion provided with a gas discharge port is attached at a second end portion thereof, an annular end surface being formed on the side of the second end portion, a cylindrical flow path forming member being disposed in the cylindrical housing, an inner space of the cylindrical flow path forming member being partitioned by a partition wall into a first chamber on the side of the first end portion and a second chamber on the side of the second end portion, a space, which includes the first chamber, being a combustion chamber filled with a gas generating agent, and the second chamber forming part of a gas discharge path, in the cylindrical flow path forming member, a first cylindrical space, which is formed between a first wall surface of the cylindrical flow path forming member on the side of the first chamber and the inner wall surface of the cyli

Abstract: The present invention provides a gas generator including, an ignition device chamber, a gas inflow chamber, and a pressurized gas chamber being arranged from a first end fixed with an ignition device to a second end opposite thereto in a cylindrical housing, an inner circumferential wall surface of the cylindrical housing, from the ignition device chamber to the gas inflow chamber, having a first movement restricting portion, a second movement restricting portion and a stopping portion which are arranged in an axial direction at intervals in the above order so as to protrude, the second movement restricting portion having an ignition device chamber-side surface which is an inclined surface decreasing an inner diameter of the housing from the side of the ignition device chamber to the side of the gas inflow chamber and a gas inflow chamber-side surface whose angle (?1) with respect to the cylindrical housing is not more than 90 degrees, so that an axial cross-sectional shape of the second movement restricting

Abstract: The present invention provides a gas generator, including: a cylindrical housing attached with an ignition device at one end and a diffuser portion, which has a gas discharge port, at the other end; and a combustion chamber charged with a molded article of a gas generating agent in the remaining space inside the cylindrical housing, the combustion chamber provided with a plurality of grooves serving as a gas discharge path, the plurality of the grooves serving as a gas discharge path being formed plurally and continuously in a longitudinal direction of the cylindrical housing and arranged in a circumferential direction of the cylindrical housing, a size of the grooves in the lateral direction being adjusted to be less than a minimum length of the molded article of the gas generating agent, and combustion gas, which is generated by combustion of the molded article of the gas generating agent at a time of actuation, flowing along the grooves serving as a gas discharge path and being discharged from the gas d

Abstract: The present invention provides a gas generator including an ignition device provided at one end of a cylindrical housing and a diffuser portion having a gas discharge port and provided at the other end of the housing, molded articles of a gas generating agent and a molded article of a pressure increasing agent charged into a combustion chamber inside the cylindrical housing, the molded articles of a gas generating agent charged into a charging space remained except for a charging portion for the molded article of a pressure increasing agent inside the combustion chamber such that the molded articles of a gas generating agent are in contact with the ignition device and a total volume of the molded articles of a gas generating agent is less than a volume of the charging space, the molded article of a pressure increasing agent charged in contact with the molded articles of a gas generating agent at a position axially distant from the ignition device, a combustion temperature of the molded articles of a gas ge

Abstract: The present invention provides a gas generator, including: a cylindrical housing attached with an ignition device at one end and a diffuser portion, which has a gas discharge port, at the other end; and a combustion chamber charged with a molded article of a gas generating agent in the remaining space inside the cylindrical housing, the combustion chamber provided with a plurality of grooves serving as a gas discharge path, the plurality of the grooves serving as a gas discharge path being formed plurally and continuously in a longitudinal direction of the cylindrical housing and arranged in a circumferential direction of the cylindrical housing, a size of the grooves in the lateral direction being adjusted to be less than a minimum length of the molded article of the gas generating agent, and combustion gas, which is generated by combustion of the molded article of the gas generating agent at a time of actuation, flowing along the grooves serving as a gas discharge path and being discharged from the gas d

Abstract: The present invention provides a gas generator wherein a diffuser portion having a gas discharge port is disposed at one end of a cylindrical housing; an ignition device is disposed at the other end of the cylindrical housing; an axially-movable metallic partition wall having a plurality of through-holes is disposed between the ignition device and the diffuser portion; a space between the partition wall and the ignition device is an ignition device chamber charged with a molded article of a first gas generating agent; a space between the partition wall and the diffuser portion is a combustion chamber charged with a molded article of a second gas generating agent; the partition wall has a circular bottom surface and an annular wall extending, in a single direction, perpendicularly to an outer circumference of the circular bottom surface, and the circular bottom surface is disposed so as to be on the diffuser portion side; the ignition device has an igniter having a disk-shaped ignition portion protruding towar

Abstract: The present invention provides a gas generator including an ignition device provided at one end of a cylindrical housing and a diffuser portion having a gas discharge port and provided at the other end of the housing, molded articles of a gas generating agent and a molded article of a pressure increasing agent charged into a combustion chamber inside the cylindrical housing, the molded articles of a gas generating agent charged into a charging space remained except for a charging portion for the molded article of a pressure increasing agent inside the combustion chamber such that the molded articles of a gas generating agent are in contact with the ignition device and a total volume of the molded articles of a gas generating agent is less than a volume of the charging space, the molded article of a pressure increasing agent charged in contact with the molded articles of a gas generating agent at a position axially distant from the ignition device, a combustion temperature of the molded articles of a gas ge

Abstract: A gas generator includes a cylindrical housing, a diffuser portion, a first combustion chamber defined by a first porous plate member, a second combustion chamber defined by a second porous plate member, and an ignition device having an ignition portion attached to an igniter collar. The first porous plate member comprises first through holes arranged in the vicinity of a peripheral edge portion. An annular space is formed between an outer peripheral surface of the ignition portion and an inner peripheral wall surface of the cylindrical housing. The height (H) of a top surface of the ignition portion from the igniter collar and a smallest length (Lmin) of a first gas generating agent in the first combustion chamber satisfies a relation Lmin<H. An axis of the cylindrical housing is coincident with a central line of the ignition portion, the first porous plate member, and the second porous plate member.

Abstract: A gas generator includes a cylindrical housing, a diffuser portion, a first combustion chamber defined by a first porous plate member, a second combustion chamber defined by a second porous plate member, and an ignition device having an ignition portion attached to an igniter collar. The first porous plate member comprises first through holes arranged in the vicinity of a peripheral edge portion. An annular space is formed between an outer peripheral surface of the ignition portion and an inner peripheral wall surface of the cylindrical housing. The height (H) of a top surface of the ignition portion from the igniter collar and a smallest length (Lmin) of a first gas generating agent in the first combustion chamber satisfies a relation Lmin<H. An axis of the cylindrical housing is coincident with a central line of the ignition portion, the first porous plate member, and the second porous plate member.