Abstract: A sealing structure which seals a container body and an aerosol valve without providing a seal member between them. An aerosol container employing the seal structure comprises a bottomed cylinder like container body and an aerosol valve firmly fixed to the opening of the container body. The seal structure between the container body of the aerosol container and the aerosol valve is formed of a valve support portion of the container body and a step portion of the aerosol valve. The aerosol container is manufactured by deforming a corner of the step portion into a curved surface shape from a square shape by applying an annular force to the step portion from a convex surface by plastically deforming a lower part of a cover cap and a part of the container body while pushing the cover cap downward.

Abstract: A power electronics device includes: first and second connection units, a power conversion unit and a control unit. The first and second connection units are connected to a first power line and a second power line, respectively. The power conversion unit converts power input from one of the first and second connection units and output the converted power to the other of the first and second connection units. The control unit identifies, based on power connection information indicative of a connection relationship between a plurality of power electronics devices through the plurality of power lines, picks up a group of power electronics devices on the same power line, decides the master power electronics device from the group, and orders the master power electronics device to control other power electronics devices among the group with respect to at least one of power output to or power input from the power line.

Abstract: [Problem] To provide an internal container that is composed of a laminated sheet containing a metal foil layer that is resistant to degradation such as corrosion even if immersed in the content to be put in the container, an aerosol container for multiple fluid discharge provided therewith, and a multiple fluid discharge aerosol product. [Solution] A multiple fluid discharge type aerosol product (10) comprises: an outer container (11); an intermediate container (12) flexible enough to be inserted into the outer container; an internal container (13) flexible enough to be inserted into the intermediate container; and an aerosol valve (14) (hereinafter, valve) for closing the openings of these containers. The aerosol product independently stores and discharges two kinds of contents.

Abstract: There is provided an aerosol composition which is high in fire safety and assures easy emulsification of an aqueous concentrate and a liquefied gas. The aerosol composition comprises 10 to 60 wt % of an aqueous concentrate and 40 to 90 wt % of a liquefied gas, and is obtained by emulsifying the aqueous concentrate and the liquefied gas, wherein the liquefied gas comprises a heavy liquefied gas (a) having a liquid density at 20° C. of from 1.15 to 1.30 (g/ml).

Abstract: To provide a sealing structure which seals a container body and an aerosol valve without providing a seal member between them, an aerosol container equipped with the sealing structure, and a method for manufacturing the aerosol container, An aerosol container comprising a bottomed cylinder like container body 11 and an aerosol valve 12 firmly fixed to the opening of the container body. A seal structure between the container body 11 of an aerosol container 10 and an aerosol valve 12 is formed of a valve support portion 14 of the container body and a step portion 28 of the aerosol valve.