초록 ▼

A high pressure tank, for containing fluid under pressure of the type comprising an internal shell (3) intended to act as a seal and an external shell (4) intended to provide mechanical strength, with the interposition between the two shells of a first cap (5) located on the side forming the bottom

A high pressure tank, for containing fluid under pressure of the type comprising an internal shell (3) intended to act as a seal and an external shell (4) intended to provide mechanical strength, with the interposition between the two shells of a first cap (5) located on the side forming the bottom and of a second cap (10) located on the side forming the open end of the tank, made in a single piece with a connecting neck (7), is characterized in that the part of the internal shell (3) located on the side forming the open end of the tank (2) is fixed on to the metal piece (6) forming a neck (7) and cap (10) over the entire contact surface (16) between the two components (3, 6), while the outer surface (13) of the cap (10) and part of the exterior surface of the neck (7) are covered by the external shell (4).

대표청구항 ▼

Fluid tank generally cylindrical in shape, of the type comprising an internal shell (3) made of thermoplastic material and intended to act as a seal and an external shell (4) made by filament winding and intended to provide mechanical strength, with the interposition between the two shells of a firs

Fluid tank generally cylindrical in shape, of the type comprising an internal shell (3) made of thermoplastic material and intended to act as a seal and an external shell (4) made by filament winding and intended to provide mechanical strength, with the interposition between the two shells of a first cap (5) located at a bottom of the tank and a second cap (10) located at an open end of the tank, made in a single metal piece (6) with a connecting neck (7), characterized in that at least the part of the internal shell (3) located on the side of the open end of the tank (2) is fixed to the metal piece (6) forming the neck (7) and cap (10) over an entire contact surface (16) between the two elements (3, 6), while the external surface (13) of the cap (10) and a part of an exterior surface of the neck (7) are covered by the external shell (4), and in that it is covered by a fireproof and heatproof protective covering composed at least two layers, interior (18) and exterior (19), the interior layer (18) being formed by a sheet of paper made of ceramic fibres and being intended to be fixed by one of its faces to the external shell (4) of the tank (2) and to form a thermal barrier, the exterior layer (19) being composed of a glass cloth (20)/glass mat (21) complex forming a fireproof protection capable of being brought into contact with flames, said glass cloth (2) being mechanically bonded to the glass mat (21), which is itself fixed to the interior layer (18), this complex (19) being provided with a product reinforcing a chemical catalytic effect.