RUBBER U SEAL is an integral part of hydraulic and pneumatic systems, have a symmetrical lip profile with chamfered sealing edges. Many varieties of material such as hematite, obsidian, steatite, amethyst and carnelian were used to make cylinder seals.
Cylinder seals were invented around 3500 BC in the Near East, at the contemporary site of Susa in south-western Iran and at the early site of Uruk in southern Mesopotamia. They are linked to the invention of the latter cuneiform writing on clay cylinders.
Applications of Rubber Seals are:1) Medical and pharmaceutical ;2)Waste disposal ;3)Aerospace;4)Marine ;5)Food and chemical processing ;6)Automotive ;7)Military ;8)Nuclear and ;9)Pulp and paper mills.Rubber seal is used to join or seal two systems or mechanisms together. Rubber seals are ring-shaped component that are designed to obstruct or limit the fluid leakage from a device. There are various types of seals used in various applications that have constantly moving equipment, like for example the rotating or reciprocating shafts and cylinders that form an essential part of hydraulic and pneumatic systems including seals for windows of cars. Rubber seals are seals made from both natural and synthetic rubber.