The present invention relates to a pressure container for storing gases or liquids under pressures above 200 bar, comprising an elongate storage element having at least one rotationally symmetrical, preferably conical and/or cylindrical, central portion, a plurality (N) or number (N) of individual layers (n=1 to N) which each have at least one braided or wound reinforcing fibre, preferably at least two braided or wound reinforcing fibres, wherein the individual layers (n=1 to N) lie over one another in a local sequence along a perpendicular (S) to the axis of rotation of the central portion, and wherein an inner starting layer (n=1) surrounds a hollow body arranged within the storage element or forms said hollow body, and wherein an end layer (n=N) arranged above the starting layer (n=1) is provided, and wherein the reinforcing fibre or the reinforcing fibres in each of the individual layers (n=1 to N) has or have a layer-dependent fibre angle .sub.n relative to the axis of rotation projected into the respective individual layer (n=1 to N), wherein, proceeding from the starting layer (n=1) to the end layer (n=N), the angle differences .sub.n of the fibre angles .sub.n of two successive individual layers (n=1 to N1) are defined by the equation .sub.n=.sub.n+1.sub.n, where n=1 to N1, and, for at least 80%, preferably at least 90%, of all angle differences .sub.1 to .sub.N1, the condition .sub.n0 is met.

A pressure vessel includes front and rear end plates and a plurality of open-ended vessel structures constructed of fibre-reinforced polymer matrix composite material positioned adjacent to one another so that their longitudinal axes are parallel to a longitudinal direction extending between the front and rear end plates. The vessel also includes an outer reinforcement comprising polymer matrix composite material with continuous fibres extending longitudinally around the pressure vessel to secure the front and rear end plates to the vessel structures. At least one of the vessel structures has a partially curved cross section in a plane perpendicular to its longitudinal axis, such that one or more crevices are formed between the vessel structures, running longitudinally between the front and rear end plates and the front and rear end plates are shaped to allow the outer reinforcement to at least partially fill the one or more crevices between the vessel structures.

A pressurized gas container associates with and supplies gas to a pressurized gas port of an appliance, such as for supplying carbon dioxide for the preparation of a carbonated drink. The container has a plug at its opening that has a barrier element that seals the container and is configured to be non-reversibly ruptured by a shaft of a gas-channeling member. The plug also has one or more sealing elements that are distinct from the barrier element and are configured for forming a gas-tight association with the shaft of the gas-channeling member. A plurality of such pressurized containers may be carried by a holder rack in a multipack. An appliance adapted for preparing or dispensing carbonated drink includes an adapter for associating with such a pressurized carbon dioxide-containing canister and for receiving the pressurized carbon dioxide therefrom.

A boss assembly may be configured for a pressure vessel having a liner defining a fluid storage chamber and a composite shell enclosing or encasing the liner. Such a boss assembly may include a dome reinforcement part made of fiber-reinforced composite material coupled to a boss part. The dome reinforcement part may be configured to be covered by the composite shell and configured to cover a dome portion of the liner. The boss part may be mechanically coupled to the dome reinforcement part during the dome reinforcement part fabrication.

A high pressure tank includes: a resin liner for containing a fluid; a reinforced layer covering an outer surface of the liner; and a cap including a supply/discharge hole for supplying and discharging the fluid to and from the liner. Gas vent passages formed in the cap each including at one end a first opening open toward the cap-facing surface of the liner and at the other end a second opening open toward at least one of an inside of the supply/discharge hole and an outside of the reinforced layer. A cross-sectional area of the gas vent passage at the one end perpendicular to a longitudinal direction and the first opening are smaller than other cross-sectional areas of the gas vent passage perpendicular to the longitudinal direction.

A high pressure tank includes: a resin liner for containing a fluid; a reinforced layer covering an outer surface of the liner; a cap including a supply/discharge hole to supply and discharge the fluid to and from the liner; an isolation wall member; and a communication unit. The cap includes a cylindrical protrusion having the supply/discharge hole formed therein. An opening is formed in the reinforced layer to expose the protrusion. The isolation wall member encloses the protrusion and the opening, and forms a closed space. The communication unit communicates with the closed space.

A high pressure tank includes: a resin liner for containing a fluid; and a cap including a supply/discharge hole. A cylindrical portion formed with the liner in a protruding manner is inserted in the supply/discharge hole. In a seal groove formed in an inner circumferential surface of the supply/discharge hole, a seal member and a back-up member disposed on an upstream side of the seal member in the supply direction are provided. A tapered groove surface of the seal groove facing toward the back-up member is apart from the outer circumferential surface of the cylindrical portion along the supply direction. A tapered member surface of the back-up member facing toward the tapered groove surface has a diameter expanding along the supply direction.

A pressure vessel for storing fuel is provided. The pressure vessel includes a liner for storing fuel, a fiber-reinforced layer which surrounds the liner at least in regions, and at least one load ring. Connecting pins project from the surface of the load ring, and the connecting pins protrude out of the fiber-reinforced layer. A motor vehicle including such a pressure vessel and a production method for the pressure vessel are also provided.

A high-pressure container includes a body part having a cylindrical shape and including an opening at at least one of axially opposite end portions thereof, a cap that closes the opening of the body part and is displaceable in an axial direction of the body part, and a seal member provided between the body part and the cap, and the seal member provides a seal between the body part and the cap displaced relative to the body part.

A high-pressure container has a body part, and a cap inserted in the body part, and the body part has a cylindrical liner, and a reinforcement layer provided on an outer circumferential surface of the liner for reinforcing the liner. The cap has a contact portion that contacts with an inner circumferential surface of the liner, a through-hole that communicates the inside of the body part with the outside, and a projecting portion that is pressed outward in radial directions of the body part, and bites into the reinforcement layer, so as to inhibit the cap from moving in the axial direction.