Abstract: The invention relates to a fuel tank comprising a vessel for containing fuel and a system for evacuating the gases contained in the vessel. The system has a passage putting the inside of the vessel into communication with the outside of the vessel, and the passage is closed by a membrane suitable for allowing air and fuel vapor to pass therethrough while preventing liquid fuel from passing therethrough. The membrane is situated inside the vessel and it extends over the major portion of the top wall of the vessel.

Abstract: An improved reverse rupture disc for use as a safety pressure relief device is provided. The disc is defined by an annular flat flange region, a concave-convex disc dome region and a transition region that joins the disc-shaped flat flange region to the concave-convex disc dome region. One or more deformations may be formed at or near the apex of the disc dome region for weakening the disc to the point that incidental damage to the disc will not weaken the disc any further, thereby ensuring that the disc will reverse at a certain pressure, and no lower. The disc may also formed with one or more irregular transition regions at the base of the disc and a partial circular groove in the transition region. The irregular transition region of the disc cooperates with a shear enhancing means such as a protrusion or notch formed in a support ring or disc holder disposed downstream of the disc to sever the disc dome from the annular flat flange region along the groove in the transition region.

Abstract: The invention provides a container (1) comprising an outer receptacle (2) and, disposed therein, an inner receptacle (6) in the form of a bag; the bag being permeable to gases; the outer receptacle having a plurality of spacers (8) extending inwardly from an inner surface (9) thereof, and a plurality of vents (10) in the walls (9) of the outer receptacle (2); the spacers (8) serving to support the inner bag (6) such that it is spaced apart from the inner surface (9) of the outer receptacle (2); and the vents (10) serving to allow air to circulate between the bag (6) and the outer receptacle (2).

Abstract: The temperature-storing cup/pot structure mainly comprises a cup/pot and a seat. The bottom face of the cup/pot is disposed with a temperature-storing conducting element. A temperature-storing acting body of the seat is fixed by an insulating member and is pushed by a resilient member. The temperature-storing acting body should be preheated to a desired temperature and then is moved on the seat. The resilient member will make the temperature-storing acting body close contact with the temperature-storing conducting element of the cup/pot to keep the cup/pot hot or cold for a period of time. It does not need the plug. It has no electrical wire connection problem. And, it can be used for a hot or cold drink.