Abstract: A fuel tank including a built-in component is provided. The built-in component includes: a carrier part being a rigid body including a plurality of engaging parts, and a plurality of struts each including an engageable part to be engaged with one of the engaging parts. The engageable part of the strut includes an upper contact surface and a lower contact surface, which are formed spaced apart from each other in a height direction. The engaging parts of the carrier part each includes a biasing part that, when the strut is engaged with the engaging part, enters a space between the upper contact surface and the lower contact surface and generates biasing forces in directions to move the upper contact surface and the lower contact surface away from each other.

Abstract: This polyethylene furanoate has an intrinsic viscosity of 0.95 - 1.50 dl/g. Said intrinsic viscosity is measured (the Huggins constant is defined as 0.32) at 30° C. by using an Ubbelohde viscometer, after dissolving 0.25 g of the polyethylene furanoate in 50 ml of a solvent mixture of phenol/1,1,2,2-tetrachloroethane = 50/50 (weight ratio).

Abstract: A film formation apparatus for forming a thin film having high gas barrier performance, such as a DLC (Diamond Like Carbon) film, a SiOx film, a SiOC film, a SiOCN film, a SiNx film, and an AlOx film, on an inner surface and/or an outer surface of a container such as a PET bottle. The film formation apparatus has: a vacuum chamber for forming, in a vacuum state, a film on a surface of a container using a heat generating element; a vacuum evacuation device for vacuumizing the vacuum chamber; and a relative shifting device for relatively shifting the container and the heat generating element in the vacuum chamber after the vacuumization of the vacuum chamber.

Abstract: An object of the disclosure is to provide a heat generation element having high durability and a method of manufacturing the same. A heat generation element 1 according to the disclosure includes a first layer 2 having a metallic tantalum phase, and a second layer 3 which covers a periphery of the first layer 2 and has a tantalum carbide phase, wherein a concentration of silicon in an interface portion 4 between the first layer 2 and the second layer 3 is higher than a concentration of silicon in a portion other than the interface portion 4.

Abstract: An object of the present invention is to provide a coated polypropylene-based molded article having an excellent gas barrier property. A coated polypropylene-based molded article according to the present invention includes a molded article formed of a polypropylene-based resin composition and a thin film formed on a surface of the molded article, the polypropylene-based resin composition includes a polypropylene-based resin (D) and a nucleating agent (C), the content of the nucleating agent (C) is from 0.05 to 0.5 parts by mass with respect to 100 parts by mass of the polypropylene-based resin (D).

Abstract: A gas barrier plastic molded product having high gas barrier properties is provided. The gas barrier plastic molded product is a gas barrier plastic molded product comprising a plastic molded product and a gas barrier thin film provided on the surface of the plastic molded product, in which the gas barrier thin film contains silicon (Si), carbon (C), oxygen (O) and hydrogen (H) as constituent elements, and comprises a Si-containing layer having a Si content percentage represented by (Mathematical Formula 1) of 40.1% or more: Si content percentage [%]={(Si content [atomic %])/ (total content of Si, O and C [atomic %])}×100??(Mathematical Formula 1) wherein in Mathematical Formula 1, the content of Si, O or C is a content thereof in the items of the three elements of Si, O and C.

Abstract: A barrier-film forming apparatus that forms a barrier film on an inner face of a container having a concave or convex portion as a processing target, including: a dielectric member having a cavity sized to enclose the container, an external electrode covering an outer circumference of the dielectric member, an exhaust unit installed on an end face of the external electrode on a side where a mouth of the container is located, with an insulating member interposed therebetween, and depressurizing inside of the container through an exhaust pipe, an internal electrode inserted from a side of the exhaust pipe and also serving as a gas blowout unit that blows out medium gas for generating a barrier film into the container, and an electric-field applying unit that applies an electric field for generating exhaust between the external electrode and a ground electrode.

Abstract: A barrier-film forming apparatus that forms a barrier film on an inner face of a container having a concave or convex portion as a processing target, including: a dielectric member having a cavity sized to enclose the container, an external electrode covering an outer circumference of the dielectric member, an exhaust unit installed on an end face of the external electrode on a side where a mouth of the container is located, with an insulating member interposed therebetween, and depressurizing inside of the container through an exhaust pipe, an internal electrode inserted from a side of the exhaust pipe and also serving as a gas blowout unit that blows out medium gas for generating a barrier film into the container, and an electric-field applying unit that applies an electric field for generating exhaust between the external electrode and a ground electrode.

Abstract: Provided is a method for producing a gas barrier plastic molded body by forming a gas barrier thin film which is substantially colorless and has gas barrier properties, on the surface of a plastic molded body by a heating element CVD method using only raw material gases that are highly safe.

Abstract: The present invention relates to a film formation apparatus for forming thin films having high gas barrier performance, such as a DLC (Diamond Like Carbon) film, SiOx film, SiOC film, SiOCN film, SiNx film, and AIOx film, on the inner surface and/or outer surface of containers such as PET bottles. The film formation apparatus is provided with: a vacuum chamber for forming, in a vacuum state, a film on a surface of a container (4) using a heat generating element (21); a vacuum evacuation device for vacuumizing the vacuum chamber; and a relative shifting device for relatively shifting the container (4) and the heat generating element (21) in the vacuum chamber after starting vacuumization of the vacuum chamber.

Abstract: Disclosed herein is a method for producing a plastic container coated with a thin film that is excellent in gas barrier properties, film coloration and film adhesiveness without using an external electrode having a special shape while suppressing deposition of foreign matters such as carbon powders.

Abstract: Methods of manufacturing a gas barrier plastic container include a method in which the inside of a vacuum chamber which houses a plastic container is exhausted to form a pre-set pressure, and while maintaining a state where electricity is supplied to a thermal catalyst arranged inside the vacuum chamber to generate heat above a pre-set temperature, a source gas is blown on the thermal catalyst to decompose the source gas and create chemical species, whereby a gas barrier thin film is formed by the chemical species reaching at least one of either the inner surface or the outer surface of the plastic container.

Abstract: Provided is a method for producing a gas barrier plastic molded body by forming a gas barrier thin film which is substantially colorless and has gas barrier properties, on the surface of a plastic molded body by a heating element CVD method using only raw material gases that are highly safe.

Abstract: A gas barrier plastic molded product having high gas barrier properties is provided. The gas barrier plastic molded product is a gas barrier plastic molded product comprising a plastic molded product and a gas barrier thin film provided on the surface of the plastic molded product, in which the gas barrier thin film contains silicon (Si), carbon (C), oxygen (O) and hydrogen (H) as constituent elements, and comprises a Si-containing layer having a Si content percentage represented by (Mathematical Formula 1) of 40.1% or more: Si content percentage[%]={(Si content[atomic %])/(total content of Si, O and C [atomic %])}×100??(Mathematical Formula 1) wherein in Mathematical Formula 1, the content of Si, O or C is a content thereof in the items of the three elements of Si, O and C.

Abstract: In an apparatus for forming a film on the inner surface of a container, a thermal catalyst is supported on a source gas supply pipe, and the source gas supply pipe is inserted into the port of the container, followed by film formation. In an apparatus for forming a film on the outer surface of a container, a thermal catalyst is arranged on the periphery of the plastic, and a source gas is blown out through the source gas supply pipe while bringing the source gas into contact with the thermal catalyst for film formation. Cooling is carried out to avoid the thermal deformation of the container by heat radiated from the thermal catalyst.

Abstract: The object of the present invention is to provide an apparatus for manufacturing a gas barrier plastic container which simultaneously satisfies the condition that the same vacuum chamber can be used even when the container shapes are different, the condition that a high-frequency power source is unnecessary, and the condition that film formation can be carried out for a plurality of containers inside one vacuum chamber in order to make the apparatus low cost. In an apparatus for forming a film on the inner surface of a container, a thermal catalyst is supported on a source gas supply pipe, and the source gas supply pipe is inserted into the port of the container, followed by film formation. In an apparatus for forming a film on the outer surface of a container, a thermal catalyst is arranged on the periphery of the plastic, and a source gas is blown out through the source gas supply pipe while bringing the source gas into contact with the thermal catalyst for film formation.

Abstract: Disclosed herein is a method for producing a plastic container coated with a thin film that is excellent in gas barrier properties, film coloration and film adhesiveness without using an external electrode having a special shape while suppressing deposition of foreign matters such as carbon powders.

Abstract: An object of the present invention is to provide a method for producing a hermetically sealed container, which method comprises conducting hermetic sealing of a container for beverage or food using a laser welding method, whereby the process speed of the sealing process can be made fast, strict control of the scanning position of laser spots is unnecessary, partial oversupply of energy does not occur easily, and there is no reduction in the welding area or welding strength per area due to the gathering of water drops.

Abstract: A barrier-film forming apparatus that forms a barrier film on an inner face of a container (12) having a concave or convex portion (12a) as a processing target, including: a dielectric member (50) having a cavity sized to enclose the container (12), an external electrode (13) covering an outer circumference of the dielectric member (50), an exhaust unit installed on an end face of the external electrode (13) on a side where a mouth (11) of the container (12) is located, with an insulating member (26) interposed therebetween, and depressurizing inside of the container (12) through an exhaust pipe (14), an internal electrode (17) inserted from a side of the exhaust pipe (14) and also serving as a gas blowout unit that blows out medium gas (19) for generating a barrier film into the container (12), and an electric-field applying unit that applies an electric field for generating exhaust between the external electrode (13) and a ground electrode.

Abstract: An object of the present invention is to provide a method for producing a hermetically sealed container, which method comprises conducting hermetic sealing of a container for beverage or food using a laser welding method, whereby the process speed of the sealing process can be made fast, strict control of the scanning position of laser spots is unnecessary, partial oversupply of energy does not occur easily, and there is no reduction in the welding area or welding strength per area due to the gathering of water drops.